Oppo A71 vs Oppo A57 vs Oppo F1s vs Asus ZenFone 2 ZE550ML comparison
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key specs |
Display | 5.20-inch | 5.20-inch | 5.50-inch | 5.50-inch |
Processor | MediaTek MT6750 | Qualcomm Snapdragon 435 | MediaTek MT6750 | Intel Atom Z3560 |
Front Camera | 5-megapixel | 16-megapixel | 16-megapixel | 5-megapixel |
Rear Camera | 13-megapixel | 13-megapixel | 13-megapixel | 13-megapixel |
RAM | 3GB | 3GB | 3GB | 2GB |
Storage | 16GB | 32GB | 32GB | 16GB |
Battery Capacity | 3000mAh | 2900mAh | 3075mAh | 3000mAh |
OS | Android 7.1 | Android 6.0 | Android 5.1 | Android 5.0 |
Resolution | 720x1280 pixels | 720x1280 pixels | 720x1280 pixels | 720x1280 pixels |
general |
Brand | Oppo | Oppo | Oppo | Asus |
Model | A71 | A57 | F1s | ZenFone 2 ZE550ML |
Release date | September 1, 2017 | November 1, 2016 | August 1, 2016 | March 1, 2015 |
Launched in India | Yes | Yes | Yes | - |
Form factor | Touchscreen | Touchscreen | Touchscreen | Touchscreen |
Dimensions (mm) | 148.10 x 73.80 x 7.60 | 149.10 x 72.90 x 7.65 | 154.50 x 76.00 x 7.38 | 152.50 x 77.20 x 10.90 |
Weight (g) | 137.00 | 147.00 | 160.00 | 170.00 |
Battery capacity (mAh) | 3000 | 2900 | 3075 | 3000 |
Removable battery | No | No | No | No |
Colours | Gold, Black | Rose Gold, Gold | Gold, Rose Gold, Grey | - |
SAR value | - | 1.31 | - | - |
display |
Screen size (inches) | 5.20 | 5.20 | 5.50 | 5.50 |
Touchscreen | Yes | Yes | Yes | Yes |
Resolution | 720x1280 pixels | 720x1280 pixels | 720x1280 pixels | 720x1280 pixels |
Aspect ratio | 16:9 | 16:9 | 16:9 | - |
Pixels per inch (PPI) | 282 | - | - | 267 |
hardware |
Processor | octa-core (4x1.5GHz + 4x1GHz) | 1.4GHz octa-core | 1.5GHz octa-core | 1.8GHz quad-core |
Processor make | MediaTek MT6750 | Qualcomm Snapdragon 435 | MediaTek MT6750 | Intel Atom Z3560 |
RAM | 3GB | 3GB | 3GB | 2GB |
Internal storage | 16GB | 32GB | 32GB | 16GB |
Expandable storage | Yes | Yes | Yes | Yes |
Expandable storage type | microSD | microSD | microSD | microSD |
Expandable storage up to (GB) | 256 | 256 | 128 | 64 |
camera |
Rear camera | 13-megapixel (f/2.2) | 13-megapixel (f/2.2) | 13-megapixel (f/2.2) | 13-megapixel |
Rear autofocus | Phase detection autofocus | Phase detection autofocus | Phase detection autofocus | - |
Rear flash | LED | LED | Dual LED | LED |
Front camera | 5-megapixel (f/2.4) | 16-megapixel (f/2.0, 1.12-micron) | 16-megapixel (f/2.0) | 5-megapixel |
Front autofocus | - | Yes | - | - |
software |
Operating system | Android 7.1 | Android 6.0 | Android 5.1 | Android 5.0 |
Skin | Color OS | ColorOS 3.0 | ColorOS 3.0 | ZenUI |
connectivity |
Wi-Fi | Yes | Yes | Yes | Yes |
Wi-Fi standards supported | 802.11 b/g/n | 802.11 b/g/n | 802.11 b/g/n | 802.11 a/b/g/n/ac |
GPS | Yes | Yes | Yes | Yes |
Bluetooth | Yes, v 4.00 | Yes, v 4.10 | Yes, v 4.00 | Yes, v 4.00 |
NFC | No | No | No | Yes |
Infrared | No | No | No | No |
USB OTG | Yes | Yes | Yes | Yes |
Micro-USB | Yes | Yes | Yes | - |
Headphones | 3.5mm | 3.5mm | 3.5mm | 3.5mm |
FM | Yes | Yes | Yes | Yes |
Number of SIMs | 2 | 2 | 2 | 2 |
Wi-Fi Direct | No | No | No | Yes |
Mobile High-Definition Link (MHL) | No | No | No | No |
sim 1 |
SIM Type | Nano-SIM | Nano-SIM | Nano-SIM | Micro-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 | Micro-SIM |
GSM/CDMA | GSM | GSM | GSM | GSM |
3G | Yes | Yes | Yes | No |
4G/ LTE | Yes | Yes | Yes | No |
sensors |
Compass/ Magnetometer | Yes | Yes | Yes | Yes |
Proximity sensor | Yes | Yes | Yes | Yes |
Accelerometer | Yes | Yes | Yes | Yes |
Ambient light sensor | Yes | Yes | Yes | Yes |
Gyroscope | No | Yes | No | No |
Barometer | No | No | No | No |
Temperature sensor | No | No | No | No |
Fingerprint sensor | - | Yes | Yes | - |
ratings |
Overall NDTV Rating | - | Read Review | Read Review | - |
Design Rating | - | | | - |
Display Rating | - | | | - |
Software Rating | - | | | - |
Performance Rating | - | | | - |
Battery Life Rating | - | | | - |
Camera Rating | - | | | - |
Value for Money Rating | - | | | - |