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key specs | ||||
Display | 6.50-inch | 6.44-inch | ||
Processor | MediaTek Helio P35 | Qualcomm Snapdragon 650 | ||
Front Camera | 8-megapixel | 5-megapixel | ||
Rear Camera | 12-megapixel + 2-megapixel + 2-megapixel | 16-megapixel | ||
RAM | 4GB | 3GB | ||
Storage | 64GB | 32GB | ||
Battery Capacity | 4230mAh | 4850mAh | ||
OS | Android 9 | Android 6.0.1 | ||
Resolution | 720x1600 pixels | 1080x1920 pixels | ||
general | ||||
Brand | Oppo | Xiaomi | ||
Model | A31 (2020) | Mi Max | ||
Release date | February 14, 2020 | May 1, 2016 | ||
Launched in India | Yes | - | ||
Form factor | Touchscreen | Touchscreen | ||
Body type | Plastic | - | ||
Dimensions (mm) | 163.90 x 75.50 x 8.30 | 173.10 x 88.30 x 7.50 | ||
Weight (g) | 180.00 | 203.00 | ||
Battery capacity (mAh) | 4230 | 4850 | ||
Removable battery | No | No | ||
Colours | Mystery Black, Fantasy White | Silver, Gold, Dark Grey | ||
display | ||||
Screen size (inches) | 6.50 | 6.44 | ||
Touchscreen | Yes | Yes | ||
Resolution | 720x1600 pixels | 1080x1920 pixels | ||
Aspect ratio | 20:9 | - | ||
Pixels per inch (PPI) | - | 342 | ||
hardware | ||||
Processor | 2.3GHz octa-core | hexa-core | ||
Processor make | MediaTek Helio P35 (MT6765) | Qualcomm Snapdragon 650 | ||
RAM | 4GB | 3GB | ||
Internal storage | 64GB | 32GB | ||
Expandable storage | Yes | Yes | ||
Expandable storage type | microSD | microSD | ||
Expandable storage up to (GB) | 256 | 128 | ||
Dedicated microSD slot | Yes | - | ||
camera | ||||
Rear camera | 12-megapixel (f/1.8) + 2-megapixel (f/2.4, 1.75-micron) + 2-megapixel (f/2.4, 1.75-micron) | 16-megapixel | ||
Rear autofocus | Yes | - | ||
Rear flash | Yes | Yes | ||
Front camera | 8-megapixel (f/2.0) | 5-megapixel | ||
Pop-Up Camera | No | - | ||
Front autofocus | No | - | ||
Front flash | No | No | ||
software | ||||
Operating system | Android 9 | Android 6.0.1 | ||
Skin | ColorOS 6.1.2 | MIUI 7 | ||
connectivity | ||||
Wi-Fi | Yes | Yes | ||
Wi-Fi standards supported | 802.11 a/b/g/n/ac | 802.11 b/g/n/ac | ||
GPS | Yes | Yes | ||
Bluetooth | Yes, v 5.00 | Yes, v 4.10 | ||
NFC | No | No | ||
Micro-USB | Yes | - | ||
Headphones | 3.5mm | 3.5mm | ||
FM | Yes | Yes | ||
Number of SIMs | 2 | 2 | ||
Infrared | - | Yes | ||
USB OTG | - | Yes | ||
Wi-Fi Direct | - | Yes | ||
Mobile High-Definition Link (MHL) | - | No | ||
sim 1 | ||||
SIM Type | Nano-SIM | Micro-SIM | ||
GSM/CDMA | GSM | GSM | ||
3G | Yes | Yes | ||
4G/ LTE | Yes | Yes | ||
sim 2 | ||||
SIM Type | Nano-SIM | Nano-SIM | ||
GSM/CDMA | GSM | GSM | ||
3G | Yes | Yes | ||
4G/ LTE | Yes | Yes | ||
sensors | ||||
Face unlock | Yes | - | ||
Fingerprint sensor | Yes | - | ||
Compass/ Magnetometer | Yes | No | ||
Proximity sensor | Yes | Yes | ||
Accelerometer | Yes | Yes | ||
Ambient light sensor | Yes | Yes | ||
Gyroscope | - | 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 | - |