ratings |
Overall NDTV Rating | Read Review | Read Review | Read Review | Read Review |
Design Rating | | | | |
Display Rating | | | | |
Software Rating | | | | |
Performance Rating | | | | |
Battery Life Rating | | | | |
Camera Rating | | | | |
Value for Money Rating | | | | |
key specs |
Display | 6.30-inch | 6.39-inch | 6.10-inch | 5.20-inch |
Processor | Qualcomm Snapdragon 660 | HiSilicon Kirin 980 | HiSilicon Kirin 970 | Qualcomm Snapdragon 435 |
Front Camera | 24-megapixel | 24-megapixel | 24-megapixel | 16-megapixel |
Rear Camera | 24-megapixel + 10-megapixel + 8-megapixel + 5-megapixel | 40-megapixel + 20-megapixel + 8-megapixel | 40-megapixel | 13-megapixel |
RAM | 6GB | 6GB | 6GB | 3GB |
Storage | 128GB | 128GB | 128GB | 32GB |
Battery Capacity | 3800mAh | 4200mAh | 4000mAh | 2900mAh |
OS | Android 8.0 Oreo | Android 9.0 | Android 8.1 Oreo | Android 6.0 |
Resolution | 1080x2220 pixels | 1440x3120 pixels | 1080x2240 pixels | 720x1280 pixels |
general |
Brand | Samsung | Huawei | Huawei | Oppo |
Model | Galaxy A9 (2018) | Mate 20 Pro | P20 Pro | A57 |
Release date | October 1, 2018 | November 1, 2018 | March 1, 2018 | November 1, 2016 |
Form factor | Touchscreen | - | Touchscreen | Touchscreen |
Dimensions (mm) | 162.50 x 77.00 x 7.80 | 157.80 x 72.30 x 8.60 | 155.00 x 73.90 x 7.80 | 149.10 x 72.90 x 7.65 |
Weight (g) | 183.00 | 189.00 | 180.00 | 147.00 |
Battery capacity (mAh) | 3800 | 4200 | 4000 | 2900 |
Launched in India | - | No | - | Yes |
Body type | - | Glass | - | - |
IP rating | - | IP68 | - | - |
Removable battery | - | No | - | No |
Fast charging | - | Proprietary | - | - |
Wireless charging | - | Yes | - | - |
Colours | - | Emerald Green, Midnight Blue, Pink Gold, Twilight, Black | Black, Midnight Blue, Pink Gold, Twilight | Rose Gold, Gold |
SAR value | - | 0.81 | - | 1.31 |
display |
Screen size (inches) | 6.30 | 6.39 | 6.10 | 5.20 |
Touchscreen | Yes | Yes | Yes | Yes |
Resolution | 1080x2220 pixels | 1440x3120 pixels | 1080x2240 pixels | 720x1280 pixels |
Aspect ratio | - | 19.5:9 | - | 16:9 |
Pixels per inch (PPI) | - | - | 408 | - |
hardware |
Processor | octa-core (4x2.2GHz + 4x1.8GHz) | octa-core (2x2.6GHz + 2x1.92GHz + 4x1.8GHz) | 1.8GHz octa-core (4x2.36GHz + 4x1.8GHz) | 1.4GHz octa-core |
Processor make | Qualcomm Snapdragon 660 | HiSilicon Kirin 980 | HiSilicon Kirin 970 | Qualcomm Snapdragon 435 |
RAM | 6GB | 6GB | 6GB | 3GB |
Internal storage | 128GB | 128GB | 128GB | 32GB |
Expandable storage | Yes | Yes | - | Yes |
Expandable storage type | microSD | Nano Memory Card | - | microSD |
Expandable storage up to (GB) | 512 | 256 | - | 256 |
Dedicated microSD slot | - | No | - | - |
camera |
Rear camera | 24-megapixel (f/1.7) + 10-megapixel (f/2.4) + 8-megapixel (f/2.4) + 5-megapixel (f/2.0) | 40-megapixel (f/1.8) + 20-megapixel (f/2.2) + 8-megapixel (f/2.4) | 40-megapixel | 13-megapixel (f/2.2) |
Rear autofocus | Yes | - | - | Phase detection autofocus |
Front camera | 24-megapixel (f/2.0) | 24-megapixel (f/2.0) | 24-megapixel | 16-megapixel (f/2.0, 1.12-micron) |
Rear flash | - | Yes | Yes | LED |
Front autofocus | - | - | - | Yes |
software |
Operating system | Android 8.0 Oreo | Android 9.0 | Android 8.1 Oreo | Android 6.0 |
Skin | Samsung Experience UX | EMUI 9.0 | EMUI 8.1 | ColorOS 3.0 |
connectivity |
Wi-Fi | Yes | Yes | Yes | Yes |
Wi-Fi standards supported | 802.11 a/b/g/n/ac | 802.11 a/b/g/n/ac | 802.11 b/g/n/ac | 802.11 b/g/n |
GPS | Yes | Yes | Yes | Yes |
Bluetooth | Yes, v 5.00 | Yes, v 5.00 | Yes, v 4.20 | Yes, v 4.10 |
NFC | Yes | Yes | Yes | No |
USB Type-C | Yes | Yes | - | - |
Headphones | 3.5mm | Type-C | - | 3.5mm |
FM | No | No | - | Yes |
Number of SIMs | 2 | 2 | 2 | 2 |
Infrared | - | Yes | - | No |
USB OTG | - | Yes | - | Yes |
Active 4G on both SIM cards | - | Yes | - | - |
Micro-USB | - | - | - | Yes |
Wi-Fi Direct | - | - | - | No |
Mobile High-Definition Link (MHL) | - | - | - | No |
sim 1 |
SIM Type | Nano-SIM | Nano-SIM | Nano-SIM | Nano-SIM |
GSM/CDMA | GSM | GSM | GSM | GSM |
3G | Yes | Yes | - | Yes |
4G/ LTE | Yes | Yes | Yes | Yes |
sim 2 |
SIM Type | Nano-SIM | Nano-SIM | Nano-SIM | Nano-SIM |
3G | Yes | Yes | - | Yes |
4G/ LTE | Yes | Yes | Yes | Yes |
GSM/CDMA | - | GSM | GSM | GSM |
sensors |
Face unlock | Yes | Yes | - | - |
Fingerprint sensor | Yes | Yes | - | Yes |
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 | Yes | Yes | Yes | Yes |
3D face recognition | - | Yes | - | - |
Barometer | - | Yes | - | No |
Temperature sensor | - | - | - | No |