Vivo X21 UD vs Vivo V9 Youth vs Vivo V9 vs Vivo X20 Plus UD comparison
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key specs |
Display | 6.28-inch | 6.30-inch | 6.30-inch | 6.43-inch |
Processor | Qualcomm Snapdragon 660 | Qualcomm Snapdragon 450 | Qualcomm Snapdragon 626 | Qualcomm Snapdragon 660 |
Front Camera | 12-megapixel | 16-megapixel | 24-megapixel | 12-megapixel |
Rear Camera | 12-megapixel | 16-megapixel + 2-megapixel | 16-megapixel + 5-megapixel | 12-megapixel |
RAM | 6GB | 4GB | 4GB | 4GB |
Storage | 128GB | 32GB | 64GB | 128GB |
Battery Capacity | 3200mAh | 3260mAh | 3260mAh | 3905mAh |
OS | Android 8.1 | Android 8.1 | Android 8.1 | Android 7.1 |
Resolution | 1080x2280 pixels | 1080x2280 pixels | 1080x2280 pixels | 1080x2160 pixels |
general |
Brand | Vivo | Vivo | Vivo | Vivo |
Model | X21 UD | V9 Youth | V9 | X20 Plus UD |
Release date | March 1, 2018 | April 1, 2018 | March 1, 2018 | January 1, 2018 |
Form factor | Touchscreen | Touchscreen | Touchscreen | Touchscreen |
Dimensions (mm) | 154.50 x 74.80 x 7.40 | 154.80 x 75.10 x 7.90 | 154.80 x 75.00 x 7.90 | 165.20 x 80.09 x 7.35 |
Weight (g) | 156.20 | 150.00 | 150.00 | 181.50 |
Battery capacity (mAh) | 3200 | 3260 | 3260 | 3905 |
Colours | Ruby Red, Aurora White, Black | Black, Gold | Pearl Black, Gold | Black |
Launched in India | - | Yes | Yes | - |
Body type | - | Plastic | - | - |
Removable battery | - | - | No | No |
SAR value | - | - | 1.38 | - |
display |
Screen size (inches) | 6.28 | 6.30 | 6.30 | 6.43 |
Touchscreen | Yes | Yes | Yes | Yes |
Resolution | 1080x2280 pixels | 1080x2280 pixels | 1080x2280 pixels | 1080x2160 pixels |
Protection type | - | Gorilla Glass | - | - |
Aspect ratio | - | 19:9 | 19:9 | - |
Pixels per inch (PPI) | - | 400 | - | - |
hardware |
Processor | octa-core | 1.8GHz octa-core | 2.2GHz octa-core | 1.8GHz octa-core |
Processor make | Qualcomm Snapdragon 660 | Qualcomm Snapdragon 450 | Qualcomm Snapdragon 626 | Qualcomm Snapdragon 660 |
RAM | 6GB | 4GB | 4GB | 4GB |
Internal storage | 128GB | 32GB | 64GB | 128GB |
Expandable storage | - | Yes | Yes | Yes |
Expandable storage type | - | microSD | microSD | microSD |
Expandable storage up to (GB) | - | 256 | 256 | 256 |
camera |
Rear camera | 12-megapixel | 16-megapixel + 2-megapixel | 16-megapixel (f/2.0) + 5-megapixel | 12-megapixel |
Rear flash | LED | Yes | Dual LED | Yes |
Front camera | 12-megapixel | 16-megapixel (f/2.0) | 24-megapixel (f/2.0) | 12-megapixel |
Rear autofocus | - | Phase detection autofocus | Phase detection autofocus | - |
software |
Operating system | Android 8.1 | Android 8.1 | Android 8.1 | Android 7.1 |
Skin | FunTouch 4.0 | Funtouch OS 4.0 | FunTouch OS 4.0 | FunTouch OS |
connectivity |
Wi-Fi | Yes | Yes | Yes | Yes |
Wi-Fi standards supported | 802.11 a/b/g/n/ac | 802.11 a/b/g/n | - | - |
GPS | Yes | Yes | Yes | Yes |
Bluetooth | Yes, v 5.00 | Yes, v 4.20 | Yes, v 4.20 | Yes, v 5.00 |
USB OTG | Yes | - | Yes | Yes |
Headphones | 3.5mm | 3.5mm | 3.5mm | 3.5mm |
Number of SIMs | 2 | 2 | 2 | 2 |
Micro-USB | - | Yes | Yes | - |
FM | - | Yes | Yes | No |
NFC | - | - | - | No |
Infrared | - | - | - | No |
Wi-Fi Direct | - | - | - | No |
Mobile High-Definition Link (MHL) | - | - | - | No |
sim 1 |
SIM Type | Micro-SIM | 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 | Micro-SIM | Nano-SIM | Nano-SIM | Nano-SIM |
GSM/CDMA | GSM | GSM | GSM | GSM |
3G | Yes | Yes | Yes | Yes |
4G/ LTE | Yes | Yes | Yes | Yes |
sensors |
Compass/ Magnetometer | Yes | Yes | Yes | Yes |
Proximity sensor | Yes | Yes | Yes | Yes |
Ambient light sensor | Yes | Yes | Yes | Yes |
Gyroscope | Yes | Yes | Yes | Yes |
Fingerprint sensor | - | Yes | Yes | - |
Accelerometer | - | Yes | Yes | Yes |
Face unlock | - | - | Yes | - |
Barometer | - | - | - | No |
Temperature sensor | - | - | - | No |
ratings |
Overall NDTV Rating | - | - | Read Review | - |
Design Rating | - | - | | - |
Display Rating | - | - | | - |
Software Rating | - | - | | - |
Performance Rating | - | - | | - |
Battery Life Rating | - | - | | - |
Camera Rating | - | - | | - |
Value for Money Rating | - | - | | - |