Vivo X21 UD vs Oppo F7 vs Oppo R15 Dream Mirror Editio comparison
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key specs |
Display | 6.28-inch | 6.23-inch | 6.28-inch |
Processor | Qualcomm Snapdragon 660 | MediaTek Helio P60 | Qualcomm Snapdragon 660 |
Front Camera | 12-megapixel | 25-megapixel | 20-megapixel |
Rear Camera | 12-megapixel | 16-megapixel | 16-megapixel |
RAM | 6GB | 4GB | 6GB |
Storage | 128GB | 64GB | 128GB |
Battery Capacity | 3200mAh | 3400mAh | 3400mAh |
OS | Android 8.1 | Android 8.1 | Android 8.1 |
Resolution | 1080x2280 pixels | 1080x2280 pixels | 1080x2280 pixels |
general |
Brand | Vivo | Oppo | Oppo |
Model | X21 UD | F7 | R15 Dream Mirror Edition |
Release date | March 1, 2018 | March 1, 2018 | March 1, 2018 |
Form factor | Touchscreen | Touchscreen | Touchscreen |
Dimensions (mm) | 154.50 x 74.80 x 7.40 | 156.00 x 75.30 x 7.80 | 155.30 x 75.00 x 7.50 |
Weight (g) | 156.20 | 158.00 | 175.00 |
Battery capacity (mAh) | 3200 | 3400 | 3400 |
Colours | Ruby Red, Aurora White, Black | Diamond Black, Moonlight Silver, Solar Red, | Dream Mirror Red, Ceramic Edition |
Launched in India | - | Yes | - |
Removable battery | - | No | - |
SAR value | - | 1.27 | - |
display |
Screen size (inches) | 6.28 | 6.23 | 6.28 |
Touchscreen | Yes | Yes | Yes |
Resolution | 1080x2280 pixels | 1080x2280 pixels | 1080x2280 pixels |
Protection type | - | Gorilla Glass | - |
Aspect ratio | - | 19:9 | - |
Pixels per inch (PPI) | - | 405 | - |
hardware |
Processor | octa-core | octa-core (4x2GHz + 4x2GHz) | 2GHz octa-core |
Processor make | Qualcomm Snapdragon 660 | MediaTek Helio P60 (MT6771) | Qualcomm Snapdragon 660 |
RAM | 6GB | 4GB | 6GB |
Internal storage | 128GB | 64GB | 128GB |
Expandable storage | - | Yes | Yes |
Expandable storage type | - | microSD | microSD |
Expandable storage up to (GB) | - | 256 | 256 |
camera |
Rear camera | 12-megapixel | 16-megapixel (f/1.8) | 16-megapixel |
Rear flash | LED | LED | LED |
Front camera | 12-megapixel | 25-megapixel (f/2.0) | 20-megapixel |
Rear autofocus | - | Phase detection autofocus | - |
Front flash | - | No | - |
software |
Operating system | Android 8.1 | Android 8.1 | Android 8.1 |
Skin | FunTouch 4.0 | ColorOS 5.0 | ColorOS 5.0 |
connectivity |
Wi-Fi | Yes | Yes | Yes |
Wi-Fi standards supported | 802.11 a/b/g/n/ac | 802.11 b/g/n/ac | 802.11 a/b/g/n/ac |
GPS | Yes | Yes | Yes |
Bluetooth | Yes, v 5.00 | Yes, v 4.20 | Yes, v 4.20 |
USB OTG | Yes | Yes | - |
Headphones | 3.5mm | 3.5mm | - |
Number of SIMs | 2 | 2 | 2 |
NFC | - | No | - |
Infrared | - | No | - |
FM | - | Yes | - |
Wi-Fi Direct | - | Yes | Yes |
sim 1 |
SIM Type | Micro-SIM | Nano-SIM | Nano-SIM |
GSM/CDMA | GSM | GSM | GSM |
3G | Yes | Yes | Yes |
4G/ LTE | Yes | Yes | Yes |
sim 2 |
SIM Type | Micro-SIM | Nano-SIM | Nano-SIM |
GSM/CDMA | GSM | GSM | GSM |
3G | Yes | Yes | Yes |
4G/ LTE | Yes | Yes | Yes |
sensors |
Compass/ Magnetometer | Yes | Yes | - |
Proximity sensor | Yes | Yes | Yes |
Ambient light sensor | Yes | Yes | Yes |
Gyroscope | Yes | Yes | - |
Fingerprint sensor | - | Yes | - |
Accelerometer | - | Yes | Yes |
ratings |
Overall NDTV Rating | - | Read Review | - |
Design Rating | - | | - |
Display Rating | - | | - |
Software Rating | - | | - |
Performance Rating | - | | - |
Battery Life Rating | - | | - |
Camera Rating | - | | - |
Value for Money Rating | - | | - |