Page 4 from comparison Vivo X21 UD

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Compare Vivo X21 UDwith ZTE Blade V7 Max

Feature	Vivo X21 UD	ZTE Blade V7 Max
Price Range at Time of Release
Introduction Time	March 2018	April 2016
Availability Status	Released	Released
Official Release Date	March 2018	August 2016
Operating System Type at Release	Android	Android
Operating System at Release	Android 8.1 (Oreo)	Android 6.0.1 (Marshmallow)
Size and Dimensions	154.5 x 74.8 x 7.4 mm	154 x 76.5 x 7.2 mm
Product Weight	156.2 gram (g)	-
Screen Size	6.28 inch	5.5 inch
Display Panel Type
Display Resolution
Pixel Density Range
Screen-to-Body Ratio	~85.2 percent (%)	~70.8 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)
Depth Sensor Camera	5 megapixel (mp)	-
Maximum Video Recording Quality of Rear Camera		-
Main Selfie Camera Quality	12 megapixel (mp)	8 megapixel (mp)
Maximum Video Recording Resolution of Selfie Camera		-
Battery Capacity	3200mAh	3000mAh
Battery Technology	Lithium-Ion	Lithium-Ion
Battery Replaceability	Non-user replaceable	Non-user replaceable
Connection Port Type
OTG Support	true	false
Speaker Type	Mono	Mono
Number of 3.5mm Jacks	true	true
Fingerprint Sensor Type	Under-display (optical)	On the side of the phone
Wi-Fi Specifications
Communication Technologies
5G Support	false	false
Navigation Type and GPS
Wireless Charging Support	-	false
Fast Charging Capability	-	false

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Compare Ulefone Note 7with Vivo X21 UD

Ulefone VS VIVO

Feature	Ulefone Note 7	Vivo X21 UD
Introduction Time	April 2019	March 2018
Availability Status	Released	Released
Official Release Date	April 2019	March 2018
Operating System Type at Release	Android	Android
Operating System at Release	Android 8.1 (Oreo) - Go edition	Android 8.1 (Oreo)
Size and Dimensions	156.1 x 73.7 x 9.7 mm	154.5 x 74.8 x 7.4 mm
Product Weight	177.5 gram (g)	156.2 gram (g)
Screen Size	6.1 inch	6.28 inch
Display Panel Type
Display Resolution
Pixel Density Range
Screen-to-Body Ratio	~80.2 percent (%)	~85.2 percent (%)
Memory Card Slot	true	true
Bluetooth Support
Main Camera Type - Wide/Standard	8 megapixel (mp)	12 megapixel (mp)
Maximum Video Recording Quality of Rear Camera
Main Selfie Camera Quality	5 megapixel (mp)	12 megapixel (mp)
Maximum Video Recording Resolution of Selfie Camera
Battery Capacity	3500mAh	3200mAh
Battery Technology	Lithium Polymer	Lithium-Ion
Battery Replaceability	Non-user replaceable	Non-user replaceable
Wireless Charging Support	false	-
Connection Port Type
OTG Support	false	true
Fast Charging Capability	false	-
Speaker Type	Mono	Mono
Number of 3.5mm Jacks	true	true
Wi-Fi Specifications
Communication Technologies
5G Support	false	false
Navigation Type and GPS
Price Range at Time of Release	-
Screen Aspect Ratio	-
Supported Memory Card Capacity	-
Depth Sensor Camera	-	5 megapixel (mp)
Fingerprint Sensor Type	-	Under-display (optical)

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Compare Vivo X21 UDwith Vivo Y20T

VIVO VS VIVO

Feature	Vivo X21 UD	Vivo Y20T
Price Range at Time of Release
Introduction Time	March 2018	September 21, 2021
Availability Status	Released	Released
Official Release Date	March 2018	October 11, 2021
Operating System Type at Release	Android	Android
Operating System at Release	Android 8.1 (Oreo)	Android 11
Size and Dimensions	154.5 x 74.8 x 7.4 mm	164.4 x 76.3 x 8.4 mm
Product Weight	156.2 gram (g)	192 gram (g)
Screen Size	6.28 inch	6.51 inch
Display Panel Type
Display Resolution
Pixel Density Range
Screen-to-Body Ratio	~85.2 percent (%)	~81.6 percent (%)
Screen Aspect Ratio		20:9
Memory Card Slot	true	true
Bluetooth Support
Supported Memory Card Capacity		-
Main Camera Type - Wide/Standard	12 megapixel (mp)	13 megapixel (mp)
Depth Sensor Camera	5 megapixel (mp)	2 megapixel (mp)
Maximum Video Recording Quality of Rear Camera
Main Selfie Camera Quality	12 megapixel (mp)	8 megapixel (mp)
Maximum Video Recording Resolution of Selfie Camera
Battery Capacity	3200mAh	5000mAh
Battery Technology	Lithium-Ion	Lithium Polymer
Battery Replaceability	Non-user replaceable	Non-user replaceable
Connection Port Type
OTG Support	true	true
Speaker Type	Mono	Mono
Number of 3.5mm Jacks	true	true
Fingerprint Sensor Type	Under-display (optical)	On the side of the phone
Wi-Fi Specifications
Communication Technologies
5G Support	false	false
Navigation Type and GPS
Front Panel Material	-	Glass
Frame material type	-	Metal - 7000 Series Aluminum
Internal Memory Capacity	-
Memory Card Slot Type	-	microSDXC (dedicated slot)
Macro Camera Type	-	2 megapixel (mp)
Maximum Supported Charging Power	-
Wireless Charging Support	-	false
Fast Charging Capability	-	true

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Compare Tecno Pouvoir 2with Vivo X21 UD

Tecno Mobile VS VIVO

Feature	Tecno Pouvoir 2	Vivo X21 UD
Part Numbers		-
Introduction Time	May 2018	March 2018
Availability Status	Released	Released
Official Release Date	May 2018	March 2018
Operating System Type at Release	Android	Android
Operating System at Release	Android 8.1 (Oreo)	Android 8.1 (Oreo)
Size and Dimensions	159.8 x 76.8 x 8.5 mm	154.5 x 74.8 x 7.4 mm
Product Weight	167 gram (g)	156.2 gram (g)
Screen Size	6.0 inch	6.28 inch
Display Panel Type
Display Resolution
Pixel Density Range
Screen-to-Body Ratio	~75.7 percent (%)	~85.2 percent (%)
Screen Aspect Ratio
Internal Memory Capacity		-
Memory Card Slot	true	true
Bluetooth Support
Memory Card Slot Type	microSDHC (dedicated slot)	-
Main Camera Type - Wide/Standard	13 megapixel (mp)	12 megapixel (mp)
Maximum Video Recording Quality of Rear Camera
Main Selfie Camera Quality	8 megapixel (mp)	12 megapixel (mp)
Maximum Video Recording Resolution of Selfie Camera
Battery Capacity	5000mAh	3200mAh
Battery Technology	Lithium-Ion	Lithium-Ion
Battery Replaceability	Non-user replaceable	Non-user replaceable
Connection Port Type
OTG Support	false	true
Speaker Type	Mono	Mono
Number of 3.5mm Jacks	true	true
Wi-Fi Specifications
Communication Technologies
5G Support	false	false
Navigation Type and GPS
Price Range at Time of Release	-
Supported Memory Card Capacity	-
Depth Sensor Camera	-	5 megapixel (mp)
Fingerprint Sensor Type	-	Under-display (optical)

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Compare Tecno Pouvoir 1with Vivo X21 UD

Tecno Mobile VS VIVO

Feature	Tecno Pouvoir 1	Vivo X21 UD
Introduction Time	May 2018	March 2018
Availability Status	Released	Released
Official Release Date	May 2018	March 2018
Operating System Type at Release	Android	Android
Operating System at Release	Android 7.0 (Nougat)	Android 8.1 (Oreo)
Size and Dimensions	154.5 x 77.2 x 8.8 mm	154.5 x 74.8 x 7.4 mm
Product Weight	164 gram (g)	156.2 gram (g)
Screen Size	5.5 inch	6.28 inch
Display Panel Type
Display Resolution
Pixel Density Range
Screen-to-Body Ratio	~69.9 percent (%)	~85.2 percent (%)
Screen Aspect Ratio
Internal Memory Capacity		-
Memory Card Slot	true	true
Bluetooth Support
Memory Card Slot Type	microSDHC (dedicated slot)	-
Main Camera Type - Wide/Standard	8 megapixel (mp)	12 megapixel (mp)
Maximum Video Recording Quality of Rear Camera
Main Selfie Camera Quality	5 megapixel (mp)	12 megapixel (mp)
Maximum Video Recording Resolution of Selfie Camera
Battery Capacity	5000mAh	3200mAh
Battery Technology	Lithium-Ion	Lithium-Ion
Battery Replaceability	Non-user replaceable	Non-user replaceable
Connection Port Type
OTG Support	false	true
Speaker Type	Mono	Mono
Number of 3.5mm Jacks	true	true
Wi-Fi Specifications
Communication Technologies
5G Support	false	false
Navigation Type and GPS
Price Range at Time of Release	-
Supported Memory Card Capacity	-
Depth Sensor Camera	-	5 megapixel (mp)
Fingerprint Sensor Type	-	Under-display (optical)

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Compare Vivo X21 UDwith ZTE Sonata 2

VIVO VS Zte

Feature	Vivo X21 UD	ZTE Sonata 2
Price Range at Time of Release		-
Introduction Time	March 2018	June 2015
Availability Status	Released	Released
Official Release Date	March 2018	June 2015
Operating System Type at Release	Android	Android
Operating System at Release	Android 8.1 (Oreo)	Android 4.4 (KitKat)
Size and Dimensions	154.5 x 74.8 x 7.4 mm	125 x 63.8 x 11.4 mm
Product Weight	156.2 gram (g)	146 gram (g)
Screen Size	6.28 inch	4.0 inch
Display Panel Type
Display Resolution
Pixel Density Range
Screen-to-Body Ratio	~85.2 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)
Depth Sensor Camera	5 megapixel (mp)	-
Maximum Video Recording Quality of Rear Camera		-
Main Selfie Camera Quality	12 megapixel (mp)	2 megapixel (mp)
Maximum Video Recording Resolution of Selfie Camera		-
Battery Capacity	3200mAh	1650mAh
Battery Technology	Lithium-Ion	Lithium-Ion
Battery Replaceability	Non-user replaceable	User replaceable
Connection Port Type
OTG Support	true	false
Speaker Type	Mono	Mono
Number of 3.5mm Jacks	true	true
Fingerprint Sensor Type	Under-display (optical)	-
Wi-Fi Specifications
Communication Technologies
5G Support	false	false
Navigation Type and GPS
Wireless Charging Support	-	false
Fast Charging Capability	-	false

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Compare Vivo X21 UDwith ZTE Imperial II

VIVO VS Zte

Feature	Vivo X21 UD	ZTE Imperial II
Price Range at Time of Release		-
Introduction Time	March 2018	January 2015
Availability Status	Released	Released
Official Release Date	March 2018	January 2015
Operating System Type at Release	Android	Android
Operating System at Release	Android 8.1 (Oreo)	Android 4.4.2 (KitKat)
Size and Dimensions	154.5 x 74.8 x 7.4 mm	142.2 x 71.1 x 10.2 mm
Product Weight	156.2 gram (g)	143.7 gram (g)
Screen Size	6.28 inch	5.0 inch
Display Panel Type
Display Resolution
Pixel Density Range
Screen-to-Body Ratio	~85.2 percent (%)	~68.2 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)
Depth Sensor Camera	5 megapixel (mp)	-
Maximum Video Recording Quality of Rear Camera
Main Selfie Camera Quality	12 megapixel (mp)	1 megapixel (mp)
Maximum Video Recording Resolution of Selfie Camera		-
Battery Capacity	3200mAh	2300mAh
Battery Technology	Lithium-Ion	Lithium-Ion
Battery Replaceability	Non-user replaceable	User replaceable
Connection Port Type
OTG Support	true	false
Speaker Type	Mono	Mono
Number of 3.5mm Jacks	true	true
Fingerprint Sensor Type	Under-display (optical)	-
Wi-Fi Specifications
Communication Technologies
5G Support	false	false
Navigation Type and GPS
Color Options	-	White

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Compare Vivo X21 UDwith ZTE Vital N9810

VIVO VS Zte

Feature	Vivo X21 UD	ZTE Vital N9810
Price Range at Time of Release
Introduction Time	March 2018	June 2013
Availability Status	Released	Released
Official Release Date	March 2018	June 2013
Operating System Type at Release	Android	Android
Operating System at Release	Android 8.1 (Oreo)	Android 4.1.2 (Jelly Bean)
Size and Dimensions	154.5 x 74.8 x 7.4 mm	142 x 71.4 x 10 mm
Product Weight	156.2 gram (g)	154 gram (g)
Screen Size	6.28 inch	5.0 inch
Display Panel Type
Display Resolution
Pixel Density Range
Screen-to-Body Ratio	~85.2 percent (%)	~68.0 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)
Depth Sensor Camera	5 megapixel (mp)	-
Maximum Video Recording Quality of Rear Camera
Main Selfie Camera Quality	12 megapixel (mp)	1 megapixel (mp)
Maximum Video Recording Resolution of Selfie Camera		-
Battery Capacity	3200mAh	2500mAh
Battery Technology	Lithium-Ion	Lithium-Ion
Battery Replaceability	Non-user replaceable	User replaceable
Connection Port Type
OTG Support	true	false
Speaker Type	Mono	Mono
Number of 3.5mm Jacks	true	true
Fingerprint Sensor Type	Under-display (optical)	-
Wi-Fi Specifications
Communication Technologies
5G Support	false	false
Navigation Type and GPS
Color Options	-	Navy Blue
Wireless Charging Support	-	false
Fast Charging Capability	-	false

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Compare Vivo X21 UDwith ZTE Voyage 40 Pro Plus

VIVO VS Zte

Feature	Vivo X21 UD	ZTE Voyage 40 Pro Plus
Price Range at Time of Release
Introduction Time	March 2018	August 1, 2022
Availability Status	Released	Released
Official Release Date	March 2018	December 6, 2022
Operating System Type at Release	Android	Android
Operating System at Release	Android 8.1 (Oreo)	Android 12
Size and Dimensions	154.5 x 74.8 x 7.4 mm	163.5 x 75.8 x 7.6 mm
Product Weight	156.2 gram (g)	192.5 gram (g)
Screen Size	6.28 inch	6.67 inch
Display Panel Type
Display Resolution
Pixel Density Range
Screen-to-Body Ratio	~85.2 percent (%)	~86.7 percent (%)
Screen Aspect Ratio		20:9
Memory Card Slot	true	true
Bluetooth Support
Supported Memory Card Capacity		-
Main Camera Type - Wide/Standard	12 megapixel (mp)	64 megapixel (mp)
Depth Sensor Camera	5 megapixel (mp)	2 megapixel (mp)
Maximum Video Recording Quality of Rear Camera		4K
Main Selfie Camera Quality	12 megapixel (mp)	16 megapixel (mp)
Maximum Video Recording Resolution of Selfie Camera
Battery Capacity	3200mAh	4510 mAh
Battery Technology	Lithium-Ion	Lithium Polymer
Battery Replaceability	Non-user replaceable	Non-user replaceable
Connection Port Type		USB Type-C 2.0
OTG Support	true	-
Speaker Type	Mono	Mono
Number of 3.5mm Jacks	true	false
Fingerprint Sensor Type	Under-display (optical)	On the side of the phone
Wi-Fi Specifications
Communication Technologies
5G Support	false	true
Navigation Type and GPS
Equivalent Name	-
Part Numbers	-
Front Panel Material	-	Glass
Highest Refresh Rate	-	60 hertz (hz)
Memory Card Slot Type	-
Macro Camera Type	-	5 megapixel (mp)
Maximum Supported Charging Power	-
Wireless Charging Support	-	false
Full Charge Time	-
Fast Charging Capability	-	true

View Comparison Details

Compare Samsung Galaxy M56with Vivo X21 UD

Samsung VS VIVO

Feature	Samsung Galaxy M56	Vivo X21 UD
Price Range at Time of Release
Introduction Time		March 2018
Part Numbers	SM-M566B and SM-M566B/DS	-
Availability Status	Released	Released
Official Release Date		March 2018
Operating System Type at Release	Android	Android
Operating System at Release	Android 15	Android 8.1 (Oreo)
Operating System Details and Description	Android 15, One UI 7	-
Specific absorption rate (SAR)	0.71 W/kg (head)	-
Size and Dimensions	162x77.3x7.2 mm (6.38x3.04x0.28 inches)	154.5 x 74.8 x 7.4 mm
Product Weight	180 gram (g)	156.2 gram (g)
Color Options	Black, Light Green	-
Screen Size	6.74 inch	6.28 inch
Display Panel Type
Display Resolution
Pixel Density Range
Screen-to-Body Ratio	~89.0 percent (%)	~85.2 percent (%)
Highest Refresh Rate	120 hertz (hz)	-
Screen Aspect Ratio	19.5:9
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 Type - Wide/Standard	50 megapixel (mp)	12 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 Quality	12 megapixel (mp)	12 megapixel (mp)
Main Selfie Camera Specifications		-
Battery Capacity	5000mAh	3200mAh
Battery Replaceability	Non-user replaceable	Non-user replaceable
Connection Port Type	USB Type-C 2.0
OTG Support	true	true
Maximum Supported Charging Power		-
Wireless Charging Support	false	-
Speaker Type	Mono	Mono
Number of 3.5mm Jacks	false	true
Smart Sensors	Accelerometer, Compass, Pedometer, Heart rate counter, Altimeter	-
Wi-Fi Specifications
Wi-Fi Details and Description	Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct	-
Bluetooth Details and Description		-
Communication Technologies	GSM / HSPA / LTE / 5G
5G Support	true	false
Navigation Type and GPS
Fingerprint Sensor Type	Under-display (optical)	Under-display (optical)
Back body material	Glass (Gorilla Glass Victus+)	-
Front Panel Material	Glass (Gorilla Glass Victus+)	-
Frame material type	Metal - 7000 Series Aluminum	-
Fast Charging Capability	false	-
Compatible SIM Card Types	Nano-SIM	-
Supported HDR Standards		-
Memory Card Slot	-	true
Bluetooth Support	-
Supported Memory Card Capacity	-
Depth Sensor Camera	-	5 megapixel (mp)
Maximum Video Recording Quality of Rear Camera	-
Maximum Video Recording Resolution of Selfie Camera	-
Battery Technology	-	Lithium-Ion

View Comparison Details

Compare Samsung Galaxy S25 Edgewith Vivo X21 UD

Samsung VS VIVO

Feature	Samsung Galaxy S25 Edge	Vivo X21 UD
Price Range at Time of Release	1099.99 dollar ($) \$
Introduction Time		March 2018
Official Release Date		March 2018
Availability Status	Releasing soon	Released
Operating System Type at Release	Android	Android
Operating System at Release	Android 15	Android 8.1 (Oreo)
Operating System Details and Description	Android 15, One UI 7	-
Size and Dimensions	158.2x75.6x5.8 mm (6.23x2.98x0.23 inches)	154.5 x 74.8 x 7.4 mm
Product Weight	163 gram (g)	156.2 gram (g)
Color Options	Titanium Ice Blue, Silver, Titanium Black	-
Screen Size	6.7 inch	6.28 inch
Display Panel Type
Display Resolution
Pixel Density Range
Screen-to-Body Ratio	~92.1 percent (%)	~85.2 percent (%)
Highest Refresh Rate	120 hertz (hz)	-
RAM Memory		-
Main Selfie Camera Quality	12 megapixel (mp)	12 megapixel (mp)
Main Selfie Camera Specifications		-
Battery Capacity	3900mAh	3200mAh
Maximum Supported Charging Power		-
Wireless Charging Support	true	-
Full Charge Time		-
Maximum Wireless Charging Power		-
Chipset Model		-
GPU Model		-
Bluetooth Support
Memory Card Slot	false	true
Rear Camera Details	200 , f/1.7, (wide), 1/1.56", PDAF, OIS 12 , f/2.2, (ultrawide), PDAF megapixel (mp)	-
Main Camera Type - Wide/Standard	200 megapixel (mp)	12 megapixel (mp)
Fast Charging Capability	true	-
Screen Aspect Ratio	-
Supported Memory Card Capacity	-
Depth Sensor Camera	-	5 megapixel (mp)
Maximum Video Recording Quality of Rear Camera	-
Maximum Video Recording Resolution of Selfie Camera	-
Battery Technology	-	Lithium-Ion
Battery Replaceability	-	Non-user replaceable
Connection Port Type	-
OTG Support	-	true
Speaker Type	-	Mono
Number of 3.5mm Jacks	-	true
Fingerprint Sensor Type	-	Under-display (optical)
Wi-Fi Specifications	-
Communication Technologies	-
5G Support	-	false
Navigation Type and GPS	-

View Comparison Details

Compare Vivo X21 UDwith ZTE Nubia Z5S

VIVO VS Zte

Feature	Vivo X21 UD	ZTE Nubia Z5S
Price Range at Time of Release
Introduction Time	March 2018	November 2013
Availability Status	Released	Released
Official Release Date	March 2018	December 2013
Operating System Type at Release	Android	Android
Operating System at Release	Android 8.1 (Oreo)	Android 4.2.2 (Jelly Bean)
Size and Dimensions	154.5 x 74.8 x 7.4 mm	137.7 x 68.8 x 7.6 mm
Product Weight	156.2 gram (g)	126 gram (g)
Screen Size	6.28 inch	5.0 inch
Display Panel Type
Display Resolution
Pixel Density Range
Screen-to-Body Ratio	~85.2 percent (%)	~72.7 percent (%)
Screen Aspect Ratio
Memory Card Slot	true	false
Bluetooth Support
Supported Memory Card Capacity		-
Main Camera Type - Wide/Standard	12 megapixel (mp)	13 megapixel (mp)
Depth Sensor Camera	5 megapixel (mp)	-
Maximum Video Recording Quality of Rear Camera		4K
Main Selfie Camera Quality	12 megapixel (mp)	5 megapixel (mp)
Maximum Video Recording Resolution of Selfie Camera		-
Battery Capacity	3200mAh	2300mAh
Battery Technology	Lithium-Ion	Lithium-Ion
Battery Replaceability	Non-user replaceable	Non-user replaceable
Connection Port Type
OTG Support	true	false
Speaker Type	Mono	Mono
Number of 3.5mm Jacks	true	true
Fingerprint Sensor Type	Under-display (optical)	-
Wi-Fi Specifications
Communication Technologies
5G Support	false	false
Navigation Type and GPS
Wireless Charging Support	-	false
Fast Charging Capability	-	false

View Comparison Details