Vivo X21i vs Vivo X21 vs Vivo X20 Plus UD vs Vivo X20 Plu comparison
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key specs |
Display | 6.28-inch | 6.28-inch | 6.43-inch | 6.43-inch |
Processor | MediaTek Helio P60 | Qualcomm Snapdragon 660 | Qualcomm Snapdragon 660 | Qualcomm Snapdragon 660 |
Front Camera | 24-megapixel | 12-megapixel | 12-megapixel | 12-megapixel |
Rear Camera | 12-megapixel | 12-megapixel + 5-megapixel | 12-megapixel | 12-megapixel |
RAM | 4GB | 6GB | 4GB | 4GB |
Storage | 64GB | 128GB | 128GB | 64GB |
Battery Capacity | 3245mAh | 3200mAh | 3905mAh | 3905mAh |
OS | Android 8.1 | Android 8.1 | Android 7.1 | Android 7.1.1 |
Resolution | 1080x2280 pixels | 1080x2280 pixels | 1080x2160 pixels | 1080x2160 pixels |
general |
Brand | Vivo | Vivo | Vivo | Vivo |
Model | X21i | X21 | X20 Plus UD | X20 Plus |
Release date | May 1, 2018 | March 1, 2018 | January 1, 2018 | September 1, 2017 |
Form factor | Touchscreen | Touchscreen | Touchscreen | Touchscreen |
Dimensions (mm) | 154.37 x 74.98 x 6.99 | 154.50 x 74.80 x 7.40 | 165.20 x 80.09 x 7.35 | 165.32 x 80.09 x 7.45 |
Weight (g) | 159.00 | 156.20 | 181.50 | 181.00 |
Battery capacity (mAh) | 3245 | 3200 | 3905 | 3905 |
Colours | Aurora White, Polar Night, Ruby Red | Black, Gold | Black | Matte Black, Gold, Rose Gold |
Launched in India | - | Yes | - | - |
Removable battery | - | No | No | No |
Fast charging | - | Proprietary | - | - |
display |
Screen size (inches) | 6.28 | 6.28 | 6.43 | 6.43 |
Touchscreen | Yes | Yes | Yes | Yes |
Resolution | 1080x2280 pixels | 1080x2280 pixels | 1080x2160 pixels | 1080x2160 pixels |
Aspect ratio | - | 19:9 | - | - |
hardware |
Processor | 2GHz octa-core | 2.2GHz octa-core | 1.8GHz octa-core | 1.8GHz octa-core |
Processor make | MediaTek Helio P60 (MT6771) | Qualcomm Snapdragon 660 | Qualcomm Snapdragon 660 | Qualcomm Snapdragon 660 |
RAM | 4GB | 6GB | 4GB | 4GB |
Internal storage | 64GB | 128GB | 128GB | 64GB |
Expandable storage | Yes | Yes | Yes | Yes |
Expandable storage type | microSD | microSD | microSD | microSD |
Expandable storage up to (GB) | 256 | 256 | 256 | 256 |
camera |
Rear camera | 12-megapixel | 12-megapixel (f/1.8, 1.4-micron) + 5-megapixel (f/2.4) | 12-megapixel | 12-megapixel |
Rear flash | Dual LED | LED | Yes | Yes |
Front camera | 24-megapixel | 12-megapixel (f/2.0) | 12-megapixel | 12-megapixel |
Rear autofocus | - | Phase detection autofocus | - | - |
software |
Operating system | Android 8.1 | Android 8.1 | Android 7.1 | Android 7.1.1 |
Skin | Funtouch OS 4 | FunTouch 4.0 | FunTouch OS | FunTouch OS |
connectivity |
Wi-Fi | Yes | Yes | Yes | Yes |
Wi-Fi standards supported | 802.11 b/g/n | 802.11 a/b/g/n/ac | - | - |
GPS | Yes | Yes | Yes | Yes |
Bluetooth | Yes | Yes, v 5.00 | Yes, v 5.00 | Yes, v 5.00 |
USB OTG | Yes | Yes | Yes | Yes |
FM | Yes | No | No | No |
Number of SIMs | 2 | 2 | 2 | 2 |
NFC | - | No | No | No |
Infrared | - | No | No | No |
Micro-USB | - | Yes | - | - |
Headphones | - | 3.5mm | 3.5mm | 3.5mm |
Wi-Fi Direct | - | - | No | No |
Mobile High-Definition Link (MHL) | - | - | No | No |
sim 1 |
SIM Type | Nano-SIM | Nano-SIM | Nano-SIM | - |
GSM/CDMA | GSM | GSM | GSM | GSM |
3G | Yes | Yes | Yes | Yes |
4G/ LTE | Yes | Yes | Yes | Yes |
sim 2 |
SIM Type | Nano-SIM | Nano-SIM | Nano-SIM | - |
GSM/CDMA | GSM | GSM | GSM | GSM |
3G | Yes | Yes | Yes | Yes |
4G/ LTE | Yes | Yes | Yes | Yes |
sensors |
Proximity sensor | Yes | Yes | Yes | Yes |
Accelerometer | Yes | Yes | Yes | Yes |
Ambient light sensor | Yes | Yes | Yes | Yes |
Gyroscope | Yes | Yes | Yes | Yes |
Fingerprint sensor | - | Yes | - | - |
Compass/ Magnetometer | - | Yes | Yes | Yes |
Barometer | - | - | No | No |
Temperature sensor | - | - | No | No |
ratings |
Overall NDTV Rating | - | Read Review | - | - |
Design Rating | - | | - | - |
Display Rating | - | | - | - |
Software Rating | - | | - | - |
Performance Rating | - | | - | - |
Battery Life Rating | - | | - | - |
Camera Rating | - | | - | - |
Value for Money Rating | - | | - | - |