Vivo X23 vs Vivo X21 vs Oppo A57 comparison
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key specs |
Display | 6.41-inch | 6.28-inch | 5.20-inch |
Processor | Qualcomm Snapdragon 670 | Qualcomm Snapdragon 660 | Qualcomm Snapdragon 435 |
Front Camera | 12-megapixel | 12-megapixel | 16-megapixel |
Rear Camera | 12-megapixel + 13-megapixel | 12-megapixel + 5-megapixel | 13-megapixel |
RAM | 8GB | 6GB | 3GB |
Storage | 128GB | 128GB | 32GB |
Battery Capacity | 3400mAh | 3200mAh | 2900mAh |
OS | Android 8.1 Oreo | Android 8.1 | Android 6.0 |
Resolution | 1080x2340 pixels | 1080x2280 pixels | 720x1280 pixels |
general |
Brand | Vivo | Vivo | Oppo |
Model | X23 | X21 | A57 |
Release date | September 1, 2018 | March 1, 2018 | November 1, 2016 |
Launched in India | No | Yes | Yes |
Form factor | Touchscreen | Touchscreen | Touchscreen |
Body type | Glass | - | - |
Dimensions (mm) | 157.68 x 74.06 x 7.47 | 154.50 x 74.80 x 7.40 | 149.10 x 72.90 x 7.65 |
Weight (g) | 160.50 | 156.20 | 147.00 |
Battery capacity (mAh) | 3400 | 3200 | 2900 |
Colours | Fashion Orange, Fashion Purple, Midnight Blue, Phantom Purple, Phantom Red | Black, Gold | Rose Gold, Gold |
Removable battery | - | No | No |
Fast charging | - | Proprietary | - |
SAR value | - | - | 1.31 |
display |
Screen size (inches) | 6.41 | 6.28 | 5.20 |
Touchscreen | Yes | Yes | Yes |
Resolution | 1080x2340 pixels | 1080x2280 pixels | 720x1280 pixels |
Aspect ratio | - | 19:9 | 16:9 |
hardware |
Processor | 2GHz octa-core | 2.2GHz octa-core | 1.4GHz octa-core |
Processor make | Qualcomm Snapdragon 670 | Qualcomm Snapdragon 660 | Qualcomm Snapdragon 435 |
RAM | 8GB | 6GB | 3GB |
Internal storage | 128GB | 128GB | 32GB |
Expandable storage | - | Yes | Yes |
Expandable storage type | - | microSD | microSD |
Expandable storage up to (GB) | - | 256 | 256 |
camera |
Rear camera | 12-megapixel (f/1.8) + 13-megapixel (f/2.4) | 12-megapixel (f/1.8, 1.4-micron) + 5-megapixel (f/2.4) | 13-megapixel (f/2.2) |
Front camera | 12-megapixel (f/2.0) | 12-megapixel (f/2.0) | 16-megapixel (f/2.0, 1.12-micron) |
Rear autofocus | - | Phase detection autofocus | Phase detection autofocus |
Rear flash | - | LED | LED |
Front autofocus | - | - | Yes |
software |
Operating system | Android 8.1 Oreo | Android 8.1 | Android 6.0 |
Skin | Funtouch OS 4.5 | FunTouch 4.0 | ColorOS 3.0 |
connectivity |
Wi-Fi | Yes | Yes | Yes |
GPS | Yes | Yes | Yes |
Bluetooth | Yes, v 4.00 | Yes, v 5.00 | Yes, v 4.10 |
USB OTG | Yes | Yes | Yes |
Number of SIMs | 2 | 2 | 2 |
Wi-Fi standards supported | - | 802.11 a/b/g/n/ac | 802.11 b/g/n |
NFC | - | No | No |
Infrared | - | No | No |
Micro-USB | - | Yes | Yes |
Headphones | - | 3.5mm | 3.5mm |
FM | - | No | Yes |
Wi-Fi Direct | - | - | No |
Mobile High-Definition Link (MHL) | - | - | No |
sim 1 |
GSM/CDMA | GSM | GSM | GSM |
4G/ LTE | Yes | Yes | Yes |
SIM Type | - | Nano-SIM | Nano-SIM |
3G | - | Yes | Yes |
sim 2 |
GSM/CDMA | GSM | GSM | GSM |
4G/ LTE | Yes | Yes | Yes |
SIM Type | - | Nano-SIM | Nano-SIM |
3G | - | Yes | Yes |
sensors |
Face unlock | Yes | - | - |
Fingerprint sensor | Yes | Yes | Yes |
Compass/ Magnetometer | Yes | Yes | Yes |
Proximity sensor | Yes | Yes | Yes |
Accelerometer | Yes | Yes | Yes |
Ambient light sensor | Yes | Yes | Yes |
Gyroscope | - | Yes | Yes |
Barometer | - | - | No |
Temperature sensor | - | - | No |
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 | - | | |