Page 6 from comparison Vivo X21 UD

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Compare Vivo X21 UDwith ZTE Nubia N1 Wan

Feature	Vivo X21 UD	ZTE Nubia N1 Wan
Price Range at Time of Release
Introduction Time	March 2018	July 2016
Availability Status	Released	Released
Official Release Date	March 2018	July 2016
Operating System Type at Release	Android	Android
Operating System at Release	Android 8.1 (Oreo)	Android 6.0 (Marshmallow)
Size and Dimensions	154.5 x 74.8 x 7.4 mm	150.9 x 75 x 8.9 mm
Product Weight	156.2 gram (g)	190 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 (%)	~73.7 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)	13 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 back of the phone
Wi-Fi Specifications
Communication Technologies
5G Support	false	false
Navigation Type and GPS
Front Panel Material	-	Glass - Gorilla Glass 3
Internal Memory Capacity	-
Wireless Charging Support	-	false
Fast Charging Capability	-	false

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Compare Vivo X21 UDwith ZTE Nubia Focus Pro

VIVO VS Zte

Feature	Vivo X21 UD	ZTE Nubia Focus Pro
Price Range at Time of Release		-
Introduction Time	March 2018	February 28, 2024
Availability Status	Released	Released
Official Release Date	March 2018
Operating System Type at Release	Android	Android
Operating System at Release	Android 8.1 (Oreo)	Android 13
Size and Dimensions	154.5 x 74.8 x 7.4 mm	-
Product Weight	156.2 gram (g)	-
Screen Size	6.28 inch	6.72 inch
Display Panel Type
Display Resolution
Pixel Density Range
Screen-to-Body Ratio	~85.2 percent (%)	-
Screen Aspect Ratio		20:9
Memory Card Slot	true	-
Bluetooth Support		Yes, unspecified version
Supported Memory Card Capacity		-
Main Camera Type - Wide/Standard	12 megapixel (mp)	108 megapixel (mp)
Depth Sensor Camera	5 megapixel (mp)	-
Maximum Video Recording Quality of Rear Camera		4K
Main Selfie Camera Quality	12 megapixel (mp)	32 megapixel (mp)
Maximum Video Recording Resolution of Selfie Camera		-
Battery Capacity	3200mAh	5000mAh
Battery Technology	Lithium-Ion	-
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	true
Fingerprint Sensor Type	Under-display (optical)	-
Wi-Fi Specifications		Yes, unspecified version
Communication Technologies		GSM / HSPA / LTE / 5G
5G Support	false	true
Navigation Type and GPS
Front Panel Material	-	Glass
Highest Refresh Rate	-	120 hertz (hz)
Maximum Supported Charging Power	-
Wireless Charging Support	-	false
Fast Charging Capability	-	true

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Compare Vivo X21 UDwith ZTE Nubia X6

VIVO VS Zte

Feature	Vivo X21 UD	ZTE Nubia X6
Price Range at Time of Release
Introduction Time	March 2018	March 2014
Availability Status	Released	Released
Official Release Date	March 2018	April 2014
Operating System Type at Release	Android	Android
Operating System at Release	Android 8.1 (Oreo)	Android 4.3 (Jelly Bean)
Size and Dimensions	154.5 x 74.8 x 7.4 mm	179.5 x 89 x 7.9 mm
Product Weight	156.2 gram (g)	215 gram (g)
Screen Size	6.28 inch	6.44 inch
Display Panel Type
Display Resolution
Pixel Density Range
Screen-to-Body Ratio	~85.2 percent (%)	~71.6 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)	13 megapixel (mp)
Maximum Video Recording Resolution of Selfie Camera
Battery Capacity	3200mAh	4250 mAh
Battery Technology	Lithium-Ion	Lithium-Ion
Battery Replaceability	Non-user replaceable	Non-user replaceable
Connection Port Type
OTG Support	true	true
Speaker Type	Mono	Stereo (dual)
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 Kis 3 Max

VIVO VS Zte

Feature	Vivo X21 UD	ZTE Kis 3 Max
Price Range at Time of Release
Introduction Time	March 2018	September 2014
Availability Status	Released	Released
Official Release Date	March 2018	November 2014
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	132 x 66 x 9.1 mm
Product Weight	156.2 gram (g)	135 gram (g)
Screen Size	6.28 inch	4.5 inch
Display Panel Type
Display Resolution
Pixel Density Range
Screen-to-Body Ratio	~85.2 percent (%)	~64.1 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	1850mAh
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

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Compare Vivo X21 UDwith ZTE Nubia Prague S

VIVO VS Zte

Feature	Vivo X21 UD	ZTE Nubia Prague S
Price Range at Time of Release
Introduction Time	March 2018	January 2016
Availability Status	Released	Released
Official Release Date	March 2018	January 2016
Operating System Type at Release	Android	Android
Operating System at Release	Android 8.1 (Oreo)	Android 5.0.2 (Lollipop)
Size and Dimensions	154.5 x 74.8 x 7.4 mm	148.2 x 72.5 x 6.8 mm
Product Weight	156.2 gram (g)	135 gram (g)
Screen Size	6.28 inch	5.2 inch
Display Panel Type
Display Resolution
Pixel Density Range
Screen-to-Body Ratio	~85.2 percent (%)	~69.4 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)	8 megapixel (mp)
Maximum Video Recording Resolution of Selfie Camera
Battery Capacity	3200mAh	2200mAh
Battery Technology	Lithium-Ion	Lithium-Ion
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)	-
Wi-Fi Specifications
Communication Technologies
5G Support	false	false
Navigation Type and GPS
Internal Memory Capacity	-

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Compare Vivo X21 UDwith ZTE Warp Sequent

VIVO VS Zte

Feature	Vivo X21 UD	ZTE Warp Sequent
Price Range at Time of Release		-
Introduction Time	March 2018	September 2012
Availability Status	Released	Released
Official Release Date	March 2018	September 2012
Operating System Type at Release	Android	Android
Operating System at Release	Android 8.1 (Oreo)	Android 4.0.4 (Ice Cream Sandwich)
Size and Dimensions	154.5 x 74.8 x 7.4 mm	127 x 64.8 x 9.9 mm
Product Weight	156.2 gram (g)	129.8 gram (g)
Screen Size	6.28 inch	4.3 inch
Display Panel Type
Display Resolution
Pixel Density Range
Screen-to-Body Ratio	~85.2 percent (%)	~61.9 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)
Depth Sensor Camera	5 megapixel (mp)	-
Maximum Video Recording Quality of Rear Camera
Main Selfie Camera Quality	12 megapixel (mp)	1.3 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

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Compare Vivo X21 UDwith ZTE Imperial

VIVO VS Zte

Feature	Vivo X21 UD	ZTE Imperial
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 (Jelly Bean)
Size and Dimensions	154.5 x 74.8 x 7.4 mm	152 x 65.5 x 12.2 mm
Product Weight	156.2 gram (g)	153.4 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 (%)	~57.9 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)
Depth Sensor Camera	5 megapixel (mp)	-
Maximum Video Recording Quality of Rear Camera		-
Main Selfie Camera Quality	12 megapixel (mp)	Has selfie camera (type unspecified)
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

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Compare Vivo X21 UDwith ZTE Speed

VIVO VS Zte

Feature	Vivo X21 UD	ZTE Speed
Price Range at Time of Release
Introduction Time	March 2018	December 2014
Availability Status	Released	Released
Official Release Date	March 2018	December 2014
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	134.6 x 66 x 10.2 mm
Product Weight	156.2 gram (g)	136.1 gram (g)
Screen Size	6.28 inch	4.5 inch
Display Panel Type
Display Resolution
Pixel Density Range
Screen-to-Body Ratio	~85.2 percent (%)	~62.8 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	2000mAh
Battery Technology	Lithium-Ion	Lithium Polymer
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

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Compare Vivo X21 UDwith ZTE Obsidian

VIVO VS Zte

Feature	Vivo X21 UD	ZTE Obsidian
Price Range at Time of Release
Introduction Time	March 2018	August 2015
Availability Status	Released	Released
Official Release Date	March 2018	September 2015
Operating System Type at Release	Android	Android
Operating System at Release	Android 8.1 (Oreo)	Android 5.1 (Lollipop)
Size and Dimensions	154.5 x 74.8 x 7.4 mm	137.4 x 68.6 x 10.2 mm
Product Weight	156.2 gram (g)	137.5 gram (g)
Screen Size	6.28 inch	4.5 inch
Display Panel Type
Display Resolution
Pixel Density Range
Screen-to-Body Ratio	~85.2 percent (%)	~59.2 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)	2 megapixel (mp)
Maximum Video Recording Resolution of Selfie Camera		-
Battery Capacity	3200mAh	1800mAh
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

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Compare Vivo X21 UDwith ZTE Libero Flip

VIVO VS Zte

Feature	Vivo X21 UD	ZTE Libero Flip
Price Range at Time of Release
Introduction Time	March 2018	February 19, 2024
Availability Status	Released	Released
Official Release Date	March 2018	February 29, 2024
Operating System Type at Release	Android	Android
Operating System at Release	Android 8.1 (Oreo)	Android 13
Size and Dimensions	154.5 x 74.8 x 7.4 mm	170 x 76 x 7.3 mm (unfolded) / 88 x 76 x 15.5 mm (folded)
Product Weight	156.2 gram (g)	214 gram (g)
Screen Size	6.28 inch	6.9 inch
Display Panel Type
Display Resolution
Pixel Density Range
Screen-to-Body Ratio	~85.2 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)
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	4310 mAh
Battery Technology	Lithium-Ion	-
Battery Replaceability	Non-user replaceable	Non-user replaceable
Connection Port Type
OTG Support	true	-
Speaker Type	Mono	Stereo (dual)
Number of 3.5mm Jacks	true	false
Fingerprint Sensor Type	Under-display (optical)	On the side of the phone
Wi-Fi Specifications
Communication Technologies		GSM / HSPA / LTE / 5G
5G Support	false	true
Navigation Type and GPS
Maximum Supported Charging Power	-
Wireless Charging Support	-	false
Full Charge Time	-
Fast Charging Capability	-	true

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Compare Vivo X21 UDwith ZTE Zmax

VIVO VS Zte

Feature	Vivo X21 UD	ZTE Zmax
Price Range at Time of Release
Introduction Time	March 2018	September 2014
Availability Status	Released	Released
Official Release Date	March 2018	September 2014
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	162.6 x 83.8 x 8.9 mm
Product Weight	156.2 gram (g)	189.9 gram (g)
Screen Size	6.28 inch	5.7 inch
Display Panel Type
Display Resolution
Pixel Density Range
Screen-to-Body Ratio	~85.2 percent (%)	~65.7 percent (%)
Screen Aspect Ratio
Memory Card Slot	true	true
Bluetooth Support
Supported Memory Card Capacity
Main Camera Type - Wide/Standard	12 megapixel (mp)	8 megapixel (mp)
Depth Sensor Camera	5 megapixel (mp)	-
Maximum Video Recording Quality of Rear Camera
Main Selfie Camera Quality	12 megapixel (mp)	1.6 megapixel (mp)
Maximum Video Recording Resolution of Selfie Camera
Battery Capacity	3200mAh	3400mAh
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
Internal Memory Capacity	-
Wireless Charging Support	-	false
Fast Charging Capability	-	false

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Compare Vivo X21 UDwith ZTE V70

VIVO VS Zte

Feature	Vivo X21 UD	ZTE V70
Price Range at Time of Release		-
Introduction Time	March 2018	June 5, 2023
Availability Status	Released	Released
Official Release Date	March 2018	June 2023
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	163.9 x 76.2 x 8.3 mm
Product Weight	156.2 gram (g)	192 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 (%)	~86.0 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)
Depth Sensor Camera	5 megapixel (mp)	-
Maximum Video Recording Quality of Rear Camera
Main Selfie Camera Quality	12 megapixel (mp)	16 megapixel (mp)
Maximum Video Recording Resolution of Selfie Camera
Battery Capacity	3200mAh	5100mAh
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	true
Fingerprint Sensor Type	Under-display (optical)	On the side of the phone
Wi-Fi Specifications
Communication Technologies		GSM / HSPA / LTE / 5G
5G Support	false	true
Navigation Type and GPS
Front Panel Material	-	Glass
Highest Refresh Rate	-	60 hertz (hz)
Ultra-Wide Lens	-	8 megapixel (mp)
Macro Camera Type	-	5 megapixel (mp)
Maximum Supported Charging Power	-
Wireless Charging Support	-	false
Full Charge Time	-
Fast Charging Capability	-	true

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