Page 7 from comparison Asus Zenfone 4 Pro Zs551Kl

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Compare Asus Zenfone 4 Pro Zs551Klwith ZTE Sonata 2

Feature

Asus Zenfone 4 Pro Zs551Kl

ZTE Sonata 2

Introduction Time August 2017 June 2015
Availability Status Released Released
Official Release Date October 2017 June 2015
Operating System Type at Release Android Android
Operating System at Release Android 7.1.1 (Nougat) Android 4.4 (KitKat)
Size and Dimensions 156.9 x 75.6 x 7.6 mm 125 x 63.8 x 11.4 mm
Product Weight 175 gram (g) 146 gram (g)
Front Panel Material Glass - Gorilla Glass 5 -
Frame material type Metal - Stainless Steel -
Screen Size 5.5 inch 4.0 inch
Display Panel Type
Display Resolution
Pixel Density Range
Screen-to-Body Ratio ~70.3 percent (%) ~57.1 percent (%)
Screen Aspect Ratio
Memory Card Slot true true
Bluetooth Support
Supported Memory Card Capacity
Main Camera Type - Wide/Standard 12 megapixel (mp) 5 megapixel (mp)
Telephoto Lens 16 megapixel (mp) -
Maximum Video Recording Quality of Rear Camera 4K -
Main Selfie Camera Quality 8 megapixel (mp) 2 megapixel (mp)
Battery Capacity 3600mAh 1650mAh
Battery Technology Lithium-Ion Lithium-Ion
Battery Replaceability Non-user replaceable User replaceable
Connection Port Type
OTG Support false false
Speaker Type Stereo (dual) Mono
Number of 3.5mm Jacks true true
Fingerprint Sensor Type On the front of the phone -
Wi-Fi Specifications
Communication Technologies
5G Support false false
Navigation Type and GPS
Wireless Charging Support - false
Fast Charging Capability - false

Compare Asus Zenfone 4 Pro Zs551Klwith ZTE Maven 2

Feature

Asus Zenfone 4 Pro Zs551Kl

ZTE Maven 2

Introduction Time August 2017 July 2017
Availability Status Released Released
Official Release Date October 2017 July 2017
Operating System Type at Release Android Android
Operating System at Release Android 7.1.1 (Nougat) Android 6.0.1 (Marshmallow)
Size and Dimensions 156.9 x 75.6 x 7.6 mm 145.5 x 73 x 11 mm
Product Weight 175 gram (g) 166 gram (g)
Front Panel Material Glass - Gorilla Glass 5 -
Frame material type Metal - Stainless Steel -
Screen Size 5.5 inch 5.0 inch
Display Panel Type
Display Resolution
Pixel Density Range
Screen-to-Body Ratio ~70.3 percent (%) ~64.9 percent (%)
Screen Aspect Ratio
Memory Card Slot true true
Bluetooth Support
Supported Memory Card Capacity
Main Camera Type - Wide/Standard 12 megapixel (mp) 5 megapixel (mp)
Telephoto Lens 16 megapixel (mp) -
Maximum Video Recording Quality of Rear Camera 4K
Main Selfie Camera Quality 8 megapixel (mp) 2 megapixel (mp)
Battery Capacity 3600mAh 2300mAh
Battery Technology Lithium-Ion Lithium-Ion
Battery Replaceability Non-user replaceable Non-user replaceable
Connection Port Type
OTG Support false false
Speaker Type Stereo (dual) Mono
Number of 3.5mm Jacks true true
Fingerprint Sensor Type On the front of the phone -
Wi-Fi Specifications
Communication Technologies
5G Support false false
Navigation Type and GPS
Price Range at Time of Release -

Compare Asus Zenfone 4 Pro Zs551Klwith ZTE Nubia Red Magic 6s

Feature

Asus Zenfone 4 Pro Zs551Kl

ZTE Nubia Red Magic 6s

Introduction Time August 2017 September 6, 2021
Availability Status Released Released
Official Release Date October 2017 September 27, 2021
Operating System Type at Release Android Android
Operating System at Release Android 7.1.1 (Nougat) Android 11
Size and Dimensions 156.9 x 75.6 x 7.6 mm 169.9 x 77.2 x 9.5 mm
Product Weight 175 gram (g) 215 gram (g)
Front Panel Material Glass - Gorilla Glass 5 Glass - Gorilla Glass
Frame material type Metal - Stainless Steel Metal - Stainless Steel
Screen Size 5.5 inch 6.8 inch
Display Panel Type
Display Resolution
Pixel Density Range
Screen-to-Body Ratio ~70.3 percent (%) ~85.1 percent (%)
Screen Aspect Ratio 20:9
Memory Card Slot true false
Bluetooth Support
Supported Memory Card Capacity -
Main Camera Type - Wide/Standard 12 megapixel (mp) 64 megapixel (mp)
Telephoto Lens 16 megapixel (mp) -
Maximum Video Recording Quality of Rear Camera 4K 8K
Main Selfie Camera Quality 8 megapixel (mp) 8 megapixel (mp)
Battery Capacity 3600mAh 5050mAh
Battery Technology Lithium-Ion Lithium Polymer
Battery Replaceability Non-user replaceable Non-user replaceable
Connection Port Type
OTG Support false true
Speaker Type Stereo (dual) Stereo (dual)
Number of 3.5mm Jacks true true
Fingerprint Sensor Type On the front of the phone Under-display (optical)
Wi-Fi Specifications
Communication Technologies GSM / CDMA / HSPA / EVDO / LTE / 5G
5G Support false true
Navigation Type and GPS GPS with A-GPS/GLONASS/GALILEO/BDS - Dual-band
Price Range at Time of Release -
Highest Refresh Rate - 165 hertz (hz)
Maximum Brightness Level - 700 nit
Ultra-Wide Lens - 8 megapixel (mp)
Macro Camera Type - 2 megapixel (mp)
Maximum Video Recording Resolution of Selfie Camera -
Maximum Supported Charging Power -
Wireless Charging Support - false
Fast Charging Capability - true

Compare Asus Zenfone 4 Pro Zs551Klwith ZTE Nubia Z7 Max

Feature

Asus Zenfone 4 Pro Zs551Kl

ZTE Nubia Z7 Max

Introduction Time August 2017 July 2014
Availability Status Released Released
Official Release Date October 2017 July 2014
Operating System Type at Release Android Android
Operating System at Release Android 7.1.1 (Nougat) Android 4.4.2 (KitKat)
Size and Dimensions 156.9 x 75.6 x 7.6 mm 152.7 x 76 x 8.7 mm
Product Weight 175 gram (g) 160 gram (g)
Front Panel Material Glass - Gorilla Glass 5 -
Frame material type Metal - Stainless Steel -
Screen Size 5.5 inch 5.5 inch
Display Panel Type
Display Resolution
Pixel Density Range
Screen-to-Body Ratio ~70.3 percent (%) ~71.1 percent (%)
Screen Aspect Ratio
Memory Card Slot true true
Bluetooth Support
Supported Memory Card Capacity
Main Camera Type - Wide/Standard 12 megapixel (mp) 13 megapixel (mp)
Telephoto Lens 16 megapixel (mp) -
Maximum Video Recording Quality of Rear Camera 4K 4K
Main Selfie Camera Quality 8 megapixel (mp) 5 megapixel (mp)
Battery Capacity 3600mAh 3100mAh
Battery Technology Lithium-Ion Lithium-Ion
Battery Replaceability Non-user replaceable Non-user replaceable
Connection Port Type
OTG Support false false
Speaker Type Stereo (dual) Mono
Number of 3.5mm Jacks true true
Fingerprint Sensor Type On the front of the phone -
Wi-Fi Specifications
Communication Technologies
5G Support false false
Navigation Type and GPS
Price Range at Time of Release -
Maximum Video Recording Resolution of Selfie Camera -
Wireless Charging Support - false
Fast Charging Capability - false

Compare Asus Zenfone 4 Pro Zs551Klwith ZTE Nubia Z9 mini

Feature

Asus Zenfone 4 Pro Zs551Kl

ZTE Nubia Z9 mini

Introduction Time August 2017 March 2015
Availability Status Released Released
Official Release Date October 2017 April 2015
Operating System Type at Release Android Android
Operating System at Release Android 7.1.1 (Nougat) Android 5.0.2 (Lollipop)
Size and Dimensions 156.9 x 75.6 x 7.6 mm 141.3 x 69.8 x 8.2 mm
Product Weight 175 gram (g) 147 gram (g)
Front Panel Material Glass - Gorilla Glass 5 -
Frame material type Metal - Stainless Steel -
Screen Size 5.5 inch 5.0 inch
Display Panel Type
Display Resolution
Pixel Density Range
Screen-to-Body Ratio ~70.3 percent (%) ~69.9 percent (%)
Screen Aspect Ratio
Memory Card Slot true true
Bluetooth Support
Supported Memory Card Capacity
Main Camera Type - Wide/Standard 12 megapixel (mp) 16 megapixel (mp)
Telephoto Lens 16 megapixel (mp) -
Maximum Video Recording Quality of Rear Camera 4K
Main Selfie Camera Quality 8 megapixel (mp) 8 megapixel (mp)
Battery Capacity 3600mAh 2900mAh
Battery Technology Lithium-Ion Lithium-Ion
Battery Replaceability Non-user replaceable Non-user replaceable
Connection Port Type
OTG Support false true
Speaker Type Stereo (dual) Mono
Number of 3.5mm Jacks true true
Fingerprint Sensor Type On the front of the phone -
Wi-Fi Specifications
Communication Technologies
5G Support false false
Navigation Type and GPS
Price Range at Time of Release -
Internal Memory Capacity -
Maximum Video Recording Resolution of Selfie Camera -

Compare Asus Zenfone 4 Pro Zs551Klwith ZTE Libero Flip

Feature

Asus Zenfone 4 Pro Zs551Kl

ZTE Libero Flip

Introduction Time August 2017 February 19, 2024
Availability Status Released Released
Official Release Date October 2017 February 29, 2024
Operating System Type at Release Android Android
Operating System at Release Android 7.1.1 (Nougat) Android 13
Size and Dimensions 156.9 x 75.6 x 7.6 mm 170 x 76 x 7.3 mm (unfolded) / 88 x 76 x 15.5 mm (folded)
Product Weight 175 gram (g) 214 gram (g)
Front Panel Material Glass - Gorilla Glass 5 -
Frame material type Metal - Stainless Steel -
Screen Size 5.5 inch 6.9 inch
Display Panel Type
Display Resolution
Pixel Density Range
Screen-to-Body Ratio ~70.3 percent (%) -
Screen Aspect Ratio
Memory Card Slot true false
Bluetooth Support
Supported Memory Card Capacity -
Main Camera Type - Wide/Standard 12 megapixel (mp) 50 megapixel (mp)
Telephoto Lens 16 megapixel (mp) -
Maximum Video Recording Quality of Rear Camera 4K 4K
Main Selfie Camera Quality 8 megapixel (mp) 16 megapixel (mp)
Battery Capacity 3600mAh 4310 mAh
Battery Technology Lithium-Ion -
Battery Replaceability Non-user replaceable Non-user replaceable
Connection Port Type
OTG Support false -
Speaker Type Stereo (dual) Stereo (dual)
Number of 3.5mm Jacks true false
Fingerprint Sensor Type On the front of the phone On the side of the phone
Wi-Fi Specifications
Communication Technologies GSM / HSPA / LTE / 5G
5G Support false true
Navigation Type and GPS
Price Range at Time of Release -
Depth Sensor Camera - 2 megapixel (mp)
Maximum Supported Charging Power -
Wireless Charging Support - false
Full Charge Time -
Fast Charging Capability - true

Compare Asus Zenfone 4 Pro Zs551Klwith iPhone 16e

Feature

Asus Zenfone 4 Pro Zs551Kl

iPhone 16e

Introduction Time August 2017
Availability Status Released Released
Official Release Date October 2017
Operating System Type at Release Android iOS
Operating System at Release Android 7.1.1 (Nougat)
Size and Dimensions 156.9 x 75.6 x 7.6 mm 146.7 x 71.5 x 7.8 mm
Product Weight 175 gram (g) 167 gram (g)
Front Panel Material Glass - Gorilla Glass 5 Glass - Ceramic Shield
Frame material type Metal - Stainless Steel Metal - Stainless Steel
Screen Size 5.5 inch 6.1 inch
Display Panel Type
Display Resolution
Pixel Density Range
Screen-to-Body Ratio ~70.3 percent (%) ~87.1 percent (%)
Screen Aspect Ratio 19.5:9
Memory Card Slot true false
Bluetooth Support
Supported Memory Card Capacity -
Main Camera Type - Wide/Standard 12 megapixel (mp) 48 megapixel (mp)
Telephoto Lens 16 megapixel (mp) -
Maximum Video Recording Quality of Rear Camera 4K 4K
Main Selfie Camera Quality 8 megapixel (mp) 12 megapixel (mp)
Battery Capacity 3600mAh
Battery Technology Lithium-Ion Lithium-Ion
Battery Replaceability Non-user replaceable Non-user replaceable
Connection Port Type USB Type-C 2.0
OTG Support false false
Speaker Type Stereo (dual) Stereo (dual)
Number of 3.5mm Jacks true false
Fingerprint Sensor Type On the front of the phone -
Wi-Fi Specifications
Communication Technologies GSM / HSPA / LTE / 5G
5G Support false true
Navigation Type and GPS
Price Range at Time of Release -
Part Numbers -
Color Options - Black, White
Back body material - Glass
Fast Charging Capability - true
Highest Refresh Rate - 60 hertz (hz)
Display Technical Details - DCI-P3 color space support, True-tone capability, Oleophobic coating
Maximum Brightness Level - 800 nits (HBM), 1200 nits (Peak)
Chipset Model -
Chip Manufacturing Process - 3 nm
Number of Processor Cores - 6 core
Processor Core Details -
Other Technical Details of Chipset - Has a 4-core graphics processor
GPU Model -
Internal Memory and RAM Performance - 128GB with 8GB RAM, 256GB with 8GB RAM, 512GB with 8GB RAM
RAM Memory -
Internal Memory Capacity - 512GB and 256GB and 128GB
Internal Storage Type -
Equivalent Name -
Rear Camera Details -
Main Camera Specifications - Wide/Standard - Wide-angle lens, 26mm, phase-detection autofocus, optical image stabilization, 1/2.55-inch sensor size, 0.7µm pixel size, f/1.6
Video Quality: Resolution and Frame Rate -
Filming Details -
Main Selfie Camera Specifications -
Maximum Video Recording Resolution of Selfie Camera -
Selfie Camera Video Recording Details -
Maximum Supported Charging Power -
Wireless Charging Support - true
Full Charge Time -
Other battery and charging features -
Maximum Wireless Charging Power -
Smart Sensors -
Wi-Fi Details and Description -
Bluetooth Details and Description -

Compare Asus Zenfone 4 Pro Zs551Klwith Samsung Galaxy M56

Feature

Asus Zenfone 4 Pro Zs551Kl

Samsung Galaxy M56

Introduction Time August 2017
Availability Status Released Released
Official Release Date October 2017
Operating System Type at Release Android Android
Operating System at Release Android 7.1.1 (Nougat) Android 15
Size and Dimensions 156.9 x 75.6 x 7.6 mm 162x77.3x7.2 mm (6.38x3.04x0.28 inches)
Product Weight 175 gram (g) 180 gram (g)
Front Panel Material Glass - Gorilla Glass 5 Glass (Gorilla Glass Victus+)
Frame material type Metal - Stainless Steel Metal - 7000 Series Aluminum
Screen Size 5.5 inch 6.74 inch
Display Panel Type
Display Resolution
Pixel Density Range
Screen-to-Body Ratio ~70.3 percent (%) ~89.0 percent (%)
Screen Aspect Ratio 19.5:9
Memory Card Slot true -
Bluetooth Support -
Supported Memory Card Capacity -
Main Camera Type - Wide/Standard 12 megapixel (mp) 50 megapixel (mp)
Telephoto Lens 16 megapixel (mp) -
Maximum Video Recording Quality of Rear Camera 4K -
Main Selfie Camera Quality 8 megapixel (mp) 12 megapixel (mp)
Battery Capacity 3600mAh 5000mAh
Battery Technology Lithium-Ion -
Battery Replaceability Non-user replaceable Non-user replaceable
Connection Port Type USB Type-C 2.0
OTG Support false true
Speaker Type Stereo (dual) Mono
Number of 3.5mm Jacks true false
Fingerprint Sensor Type On the front of the phone Under-display (optical)
Wi-Fi Specifications
Communication Technologies GSM / HSPA / LTE / 5G
5G Support false true
Navigation Type and GPS
Price Range at Time of Release -
Part Numbers - SM-M566B and SM-M566B/DS
Operating System Details and Description - Android 15, One UI 7
Specific absorption rate (SAR) - 0.71 W/kg (head)
Color Options - Black, Light Green
Highest Refresh Rate - 120 hertz (hz)
Chipset Model -
Chip Manufacturing Process - 4 nm
Number of Processor Cores - 8 core
Processor Core Details -
GPU Model -
Internal Memory and RAM Performance -
RAM Memory -
Internal Memory Capacity - 128GB and 256GB
Internal Storage Type -
Rear Camera Details - 50 , f/1.8, (wide), PDAF, OIS 8 , f/2.2, (ultrawide) 2 , f/2.4, (macro) megapixel (mp)
Main Camera Specifications - Wide/Standard - 50 , f/1.8, (wide), PDAF, OIS megapixel (mp)
Ultra-Wide Lens - 8 megapixel (mp)
Ultra-Wide Camera Details - 8 , f/2.2, (ultrawide) megapixel (mp)
Macro Camera Type - 2 megapixel (mp)
Macro Camera Details - 2 , f/2.4, (macro) megapixel (mp)
Main Selfie Camera Specifications -
Maximum Supported Charging Power -
Wireless Charging Support - false
Smart Sensors - Accelerometer, Compass, Pedometer, Heart rate counter, Altimeter
Wi-Fi Details and Description - Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Bluetooth Details and Description -
Back body material - Glass (Gorilla Glass Victus+)
Fast Charging Capability - false
Compatible SIM Card Types - Nano-SIM
Supported HDR Standards -

Compare Asus Zenfone 4 Pro Zs551Klwith Galaxy S25+ (S25+)

Feature

Asus Zenfone 4 Pro Zs551Kl

Galaxy S25+ (S25+)

Introduction Time August 2017
Availability Status Released Released
Official Release Date October 2017
Operating System Type at Release Android Android
Operating System at Release Android 7.1.1 (Nougat) Android 15
Size and Dimensions 156.9 x 75.6 x 7.6 mm 158.4 x 75.8 x 7.3 mm
Product Weight 175 gram (g) 190 gram (g)
Front Panel Material Glass - Gorilla Glass 5 Glass - Gorilla Glass Victus 2
Frame material type Metal - Stainless Steel Metal - Stainless Steel
Screen Size 5.5 inch 6.7 inch
Display Panel Type
Display Resolution
Pixel Density Range
Screen-to-Body Ratio ~70.3 percent (%) ~91.8 percent (%)
Screen Aspect Ratio 19.5:9
Memory Card Slot true false
Bluetooth Support 5.4
Supported Memory Card Capacity -
Main Camera Type - Wide/Standard 12 megapixel (mp) 50 megapixel (mp)
Telephoto Lens 16 megapixel (mp) 10 megapixel (mp)
Maximum Video Recording Quality of Rear Camera 4K 8K
Main Selfie Camera Quality 8 megapixel (mp) 12 megapixel (mp)
Battery Capacity 3600mAh 4900mAh
Battery Technology Lithium-Ion Lithium-Ion
Battery Replaceability Non-user replaceable Non-user replaceable
Connection Port Type USB Type-C 3.2
OTG Support false true
Speaker Type Stereo (dual) Stereo (dual)
Number of 3.5mm Jacks true false
Fingerprint Sensor Type On the front of the phone Under-display (Ultrasonic)
Wi-Fi Specifications Wi-Fi 7 (802.11be) a/b/g/n/ac/ax/be
Communication Technologies GSM / CDMA / HSPA / EVDO / LTE / 5G
5G Support false true
Navigation Type and GPS
Price Range at Time of Release -
Operating System Details and Description - Android 15, One UI 7
Specific absorption rate (SAR) - Supports Qi2 technology, 4.5W reverse wireless charging, Supports Power Delivery 3
European SAR rate (SAR EU) - 1.16 W/kg (for head) and 0.81 W/kg (for body)
Part Numbers -
Color Options - Light Blue, Green, Silver, Navy, Gold, Coral Red, Black
Highest Refresh Rate - 120 hertz (hz)
Display Technical Details -
Maximum Brightness Level - 2600 nit
Chipset Model -
Chip Manufacturing Process - 3 nm
Number of Processor Cores - 8 core
Processor Core Details -
GPU Model - Adreno 830
Internal Memory and RAM Performance - 256GB with 12GB RAM and 512GB with 12GB RAM
RAM Memory -
Internal Memory Capacity - 512GB and 256GB
Internal Storage Type -
Rear Camera Details -
Main Camera Specifications - Wide/Standard -
Ultra-Wide Lens - 12 megapixel (mp)
Ultra-Wide Camera Details -
Filming Details - 8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240fps, 10-bit HDR, Features HDR10+ technology, Stereo sound recording, Gyro-EIS
Telephoto Camera Details -
Main Selfie Camera Specifications -
Maximum Video Recording Resolution of Selfie Camera - 4K
Selfie Camera Video Recording Details - 4K@30/60fps, 1080p video recording at 30 fps
Maximum Supported Charging Power -
Wireless Charging Support - true
Full Charge Time -
Other battery and charging features -
Maximum Wireless Charging Power -
Audio capabilities -
Smart Sensors -
Wi-Fi Details and Description -
Bluetooth Details and Description -
Back body material - Glass (Gorilla Glass Victus 2)
Fast Charging Capability - true
Compatible SIM Card Types - Nano SIM card + Nano SIM card + eSIM (max 2 at a time) - INT Nano SIM card + eSIM + eSIM (max 2 at a time) - USA Nano SIM card + Nano SIM card - CNeSIM
Supported HDR Standards -

Compare Asus Zenfone 4 Pro Zs551Klwith Samsung Galaxy S25 (Galaxy S25)

Feature

Asus Zenfone 4 Pro Zs551Kl

Samsung Galaxy S25 (Galaxy S25)

Introduction Time August 2017
Availability Status Released Released
Official Release Date October 2017
Operating System Type at Release Android Android
Operating System at Release Android 7.1.1 (Nougat) Android 15
Size and Dimensions 156.9 x 75.6 x 7.6 mm 146.9 x 70.5 x 7.2 mm
Product Weight 175 gram (g) 162 gram (g)
Front Panel Material Glass - Gorilla Glass 5 Glass - Gorilla Glass Victus 2
Frame material type Metal - Stainless Steel Metal - Stainless Steel
Screen Size 5.5 inch 6.2 inch
Display Panel Type
Display Resolution
Pixel Density Range
Screen-to-Body Ratio ~70.3 percent (%) ~91.1 percent (%)
Screen Aspect Ratio 19.5:9
Memory Card Slot true false
Bluetooth Support 5.4
Supported Memory Card Capacity -
Main Camera Type - Wide/Standard 12 megapixel (mp) 50 megapixel (mp)
Telephoto Lens 16 megapixel (mp) 10 megapixel (mp)
Maximum Video Recording Quality of Rear Camera 4K 8K
Main Selfie Camera Quality 8 megapixel (mp) 12 megapixel (mp)
Battery Capacity 3600mAh 4000mAh
Battery Technology Lithium-Ion Lithium-Ion
Battery Replaceability Non-user replaceable Non-user replaceable
Connection Port Type USB Type-C 3.2
OTG Support false true
Speaker Type Stereo (dual) Stereo (dual)
Number of 3.5mm Jacks true false
Fingerprint Sensor Type On the front of the phone Under-display (Ultrasonic)
Wi-Fi Specifications Wi-Fi 7 (802.11be) a/b/g/n/ac/ax/be
Communication Technologies GSM / CDMA / HSPA / EVDO / LTE / 5G
5G Support false true
Navigation Type and GPS
Price Range at Time of Release -
Operating System Details and Description - Android 15, One UI 7
Specific absorption rate (SAR) - 1.29 W/kg (for head) and 1.36 W/kg (for body)
European SAR rate (SAR EU) - 0.84 W/kg (for body)
Part Numbers -
Color Options - Light Blue, Green, Navy, Silver, Gold, Coral Red, Black
Highest Refresh Rate - 120 hertz (hz)
Display Technical Details -
Maximum Brightness Level - 2600 nit
Chipset Model -
Chip Manufacturing Process - 3 nm
Number of Processor Cores - 8 core
Processor Core Details -
GPU Model - Adreno 830
Internal Memory and RAM Performance - 128GB with 12GB RAM and 256GB with 12GB RAM and 512GB with 12GB RAM
RAM Memory -
Internal Memory Capacity - 512GB and 256GB and 128GB
Internal Storage Type -
Rear Camera Details -
Main Camera Specifications - Wide/Standard -
Ultra-Wide Lens - 12 megapixel (mp)
Ultra-Wide Camera Details -
Filming Details - 8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240fps, 10-bit HDR, Features HDR10+ technology, Stereo sound recording, Gyro-EIS
Telephoto Camera Details -
Supported HDR Standards -
Main Selfie Camera Specifications -
Maximum Video Recording Resolution of Selfie Camera - 4K
Selfie Camera Video Recording Details - 4K@30/60fps, 1080p video recording at 30 fps
Maximum Supported Charging Power -
Wireless Charging Support - true
Full Charge Time -
Other battery and charging features - 1.13 W/kg (for head) and 0.92 W/kg (for body)
Maximum Wireless Charging Power -
Other Port Specifications - DisplayPort 1.2 support
Audio capabilities -
Smart Sensors -
Wi-Fi Details and Description -
Bluetooth Details and Description -
Back body material - Glass (Gorilla Glass Victus 2)
Fast Charging Capability - true
Compatible SIM Card Types - Nano SIM card + Nano SIM card + eSIM (max 2 at a time) - INT Nano SIM card + eSIM + eSIM (max 2 at a time) - USA Nano SIM card + Nano SIM card - CNeSIM

Compare Asus Zenfone 4 Pro Zs551Klwith OPPO Find X8 Ultra

Feature

Asus Zenfone 4 Pro Zs551Kl

OPPO Find X8 Ultra

Introduction Time August 2017 April 10, 2025
Availability Status Released Released
Official Release Date October 2017 April 16, 2025
Operating System Type at Release Android Android
Operating System at Release Android 7.1.1 (Nougat) Android 15
Size and Dimensions 156.9 x 75.6 x 7.6 mm 163.09 x 76.80 x 8.78 mm
Product Weight 175 gram (g) 226 gram (g)
Front Panel Material Glass - Gorilla Glass 5 Glass (Corning Gorilla Glass Victus 2)
Frame material type Metal - Stainless Steel Aluminum
Screen Size 5.5 inch 6.82 inch
Display Panel Type LTPO AMOLED
Display Resolution 1440 x 3168 Pixels (Quad HD+)
Pixel Density Range ~510 PPI
Screen-to-Body Ratio ~70.3 percent (%) ~90.2 percent (%)
Screen Aspect Ratio 20:9
Memory Card Slot true No
Bluetooth Support 5.4
Supported Memory Card Capacity No
Main Camera Type - Wide/Standard 12 megapixel (mp) Wide/Standard
Telephoto Lens 16 megapixel (mp) Dual 50MP Periscope lenses (3x and 6x)
Maximum Video Recording Quality of Rear Camera 4K 4K
Main Selfie Camera Quality 8 megapixel (mp) 32 megapixel (mp)
Battery Capacity 3600mAh 6100mAh
Battery Technology Lithium-Ion Silicon Carbon (Si/C Li-Ion)
Battery Replaceability Non-user replaceable Non-user replaceable
Connection Port Type USB Type-C 3.2
OTG Support false Yes
Speaker Type Stereo (dual) Stereo (dual)
Number of 3.5mm Jacks true No
Fingerprint Sensor Type On the front of the phone Under-display (Ultrasonic)
Wi-Fi Specifications Wi-Fi 7 (802.11be) a/b/g/n/ac/ax/be
Communication Technologies GSM / HSPA / LTE / 5G / NFC / Infrared
5G Support false Yes
Navigation Type and GPS GPS/A-GPS/GLONASS/GALILEO/BDS/QZSS (Dual-frequency)
Wi-Fi Details and Description - Dual Band, Wi-Fi Direct, Triple Antenna
Bluetooth Details and Description - 5.4, Supports A2DP, LE, aptX HD, LHDC, LDAC
Maximum Video Recording Resolution of Selfie Camera - 4K
Resolution and Frame Rate of Selfie Video - 4K@30/60fps, 1080p@30/60fps, 720p@30fps
Main Selfie Camera Specifications - 32MP, f/2.4, 21mm, 1/2.74" sensor, PDAF
Selfie Camera Video Recording Details - Gyro-EIS, HDR
Depth Sensor and Identity Recognition Camera - AI Face Unlock
Second Selfie Camera Lens - No
Second Selfie Camera Details - No
Maximum Supported Charging Power - 100W
Wireless Charging Support - Yes
Full Charge Time - Approx. 37 minutes (with 100W charger)
Maximum Wireless Charging Power - 50W
Other Port Specifications - 10W Wireless Reverse Charging
Other battery and charging features - Silicon Carbon (Si/C Li-Ion) battery, supports PD and QC
Fast Charging Capability - Yes (100W SuperVOOC)
Compatible SIM Card Types - Dual Nano-SIM
Audio capabilities - LHDC-V5, Hi-Res Audio Wireless Certified, Dolby Atmos, 4-mic array
Ultra-Wide Lens - 50 megapixel (mp)
Ultra-Wide Camera Details - 15mm, f/2.0, 120° FoV, PDAF
Macro Camera Type - Ultrawide lens (with autofocus)
Macro Camera Details - Ultrawide lens autofocus with macro photography capability
Telephoto Camera Details - 50MP, 3x Periscope Telephoto, 70mm, f/2.1, OIS
Other Cameras - 50MP 6x Periscope Telephoto (135mm, f/3.1, OIS)
Depth Sensor Camera - No (has color spectrum sensor)
Depth Sensor Camera Details - 9-channel True Chroma F2.5 sensor (for calibration and color spectrum)
Filming Details - 4K@120fps, 10bit HDR, Dolby Vision, Gyro-EIS
Rear Camera Details - 50MP Quad Camera System with Hasselblad collaboration
Main Camera Specifications - Wide/Standard - 50MP, f/1.8, 23mm, 1.0" Sony LYT-900 sensor, OIS
Video Quality: Resolution and Frame Rate - 4K@30/60/120fps
Operating System Details and Description - ColorOS 15 UI
Specific absorption rate (SAR) - (Not Available)
European SAR rate (SAR EU) - (Not Available)
Part Numbers - PKJ110, PKU110
Price Range at Time of Release - $890
Back body material - Glass (Corning Gorilla Glass)
Highest Refresh Rate - 120Hz (LTPO 1-120Hz)
Secondary Display Details - No
Display Technical Details - LTPO AMOLED, 10-bit depth, 2160Hz PWM Dimming, ProXDR support
Maximum Brightness Level - 2500 nits (Peak)
Internal Storage Type - UFS 4.1
RAM Memory - 12GB / 16GB (LPDDR5X)
Internal Memory Capacity - 256GB / 512GB / 1TB
Equivalent Name - PKJ110, PKU110
Other Technical Details of Chipset - 1.1 GHz GPU
Chipset Model - Qualcomm SM8750-AB Snapdragon 8 Elite
Chip Manufacturing Process - 3 nm
Number of Processor Cores - 8 core
Processor Core Details - 2x4.32GHz Oryon V2 Phoenix L + 6x3.53GHz Oryon V2 Phoenix M
Supported HDR Standards - Dolby Vision, HDR10+, HDR Vivid
GPU Model - Adreno 830
Internal Memory and RAM Performance - 256GB/12GB, 512GB/16GB, 1TB/16GB
Memory Card Slot Type - No
Color Options - Matte Black, Pure White, Pearl Pink
Smart Sensors - Fingerprint (under display), accelerometer, gyro, proximity, compass, color spectrum, ambient light, Hall

Compare Asus Zenfone 4 Pro Zs551Klwith Galaxy S25 Ultra (S25 Ultra)

Feature

Asus Zenfone 4 Pro Zs551Kl

Galaxy S25 Ultra (S25 Ultra)

Introduction Time August 2017
Availability Status Released Released
Official Release Date October 2017
Operating System Type at Release Android Android
Operating System at Release Android 7.1.1 (Nougat) Android 15
Size and Dimensions 156.9 x 75.6 x 7.6 mm 162.8 x 77.6 x 8.2 mm
Product Weight 175 gram (g) 218 gram (g)
Front Panel Material Glass - Gorilla Glass 5 Glass (Corning Gorilla Armor 2)
Frame material type Metal - Stainless Steel Metal - Titanium
Screen Size 5.5 inch 6.9 inch
Display Panel Type
Display Resolution
Pixel Density Range
Screen-to-Body Ratio ~70.3 percent (%) ~92.5 percent (%)
Screen Aspect Ratio 19.5:9
Memory Card Slot true false
Bluetooth Support 5.4
Supported Memory Card Capacity -
Main Camera Type - Wide/Standard 12 megapixel (mp) 200 megapixel (mp)
Telephoto Lens 16 megapixel (mp) 50 megapixel (mp)
Maximum Video Recording Quality of Rear Camera 4K -
Main Selfie Camera Quality 8 megapixel (mp) 12 megapixel (mp)
Battery Capacity 3600mAh 5000mAh
Battery Technology Lithium-Ion Lithium-Ion
Battery Replaceability Non-user replaceable Non-user replaceable
Connection Port Type USB Type-C 3.2
OTG Support false true
Speaker Type Stereo (dual) Stereo (dual)
Number of 3.5mm Jacks true false
Fingerprint Sensor Type On the front of the phone Under-display (Ultrasonic)
Wi-Fi Specifications Wi-Fi 7 (802.11be) a/b/g/n/ac/ax/be
Communication Technologies GSM / CDMA / HSPA / EVDO / LTE / 5G
5G Support false true
Navigation Type and GPS
Price Range at Time of Release -
Operating System Details and Description - Android 15, One UI 7
Specific absorption rate (SAR) - 1.26 W/kg (for head) and 1.26 W/kg (for body)
European SAR rate (SAR EU) - 1.26 W/kg (for head) and 0.64 W/kg (for body)
Part Numbers -
Color Options - Black, Silver Blue, Titanium Green, Titanium Silver, Gray, Titanium Black, Gold
Highest Refresh Rate - 120 hertz (hz)
Display Technical Details -
Maximum Brightness Level - 2600 nit
Chipset Model -
Chip Manufacturing Process - 3 nm
Number of Processor Cores - 8 core
Processor Core Details -
GPU Model - Adreno 830
Internal Memory and RAM Performance - 256GB with 12GB RAM, 512GB with 12GB RAM, and 1TB with 12GB RAM
RAM Memory -
Internal Memory Capacity - 256GB, 512GB, and 1TB
Internal Storage Type -
Supported HDR Standards -
Maximum Supported Charging Power -
Wireless Charging Support - true
Full Charge Time -
Other battery and charging features -
Maximum Wireless Charging Power -
Audio capabilities -
Smart Sensors -
Rear Camera Details -
Main Camera Specifications - Wide/Standard -
Ultra-Wide Lens - 50 megapixel (mp)
Ultra-Wide Camera Details -
Filming Details - 8K@24/30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps, 10-bit HDR, Features HDR10+ technology, Stereo sound recording, Gyro-EIS
Other Cameras - Second telephoto camera, 10MP, 67mm, phase-detection autofocus, optical image stabilization, 3x optical zoom, 1/3.52-inch sensor size, 1.12µm pixel size, f/2.4
Wi-Fi Details and Description -
Bluetooth Details and Description -
Back body material - Glass (Gorilla Glass Victus 2)
Fast Charging Capability - true
Compatible SIM Card Types - Nano SIM card + Nano SIM card + eSIM (max 2 at a time) - INT Nano SIM card + eSIM + eSIM (max 2 at a time) - USA Nano SIM card + Nano SIM card - CNeSIM
Equivalent Name - S25 Ultra, Samsung Galaxy S25 Ultra, Galaxy S25 Ultra
Main Selfie Camera Specifications -
Maximum Video Recording Resolution of Selfie Camera - 4K
Resolution and Frame Rate of Selfie Video - 4K@30/60fps, 1080p video recording at 30 fps
Second Selfie Camera Details - HDR, Features HDR10+ technology