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key specs | ||||
Display | 6.20-inch | 6.30-inch | 6.30-inch | |
Processor | MediaTek Helio P35 | Samsung Exynos 7904 | MediaTek Helio P70 | |
Front Camera | 16-megapixel | 8-megapixel | 25-megapixel | |
Rear Camera | 13-megapixel + 2-megapixel | 13-megapixel + 5-megapixel | 13-megapixel + 2-megapixel | |
RAM | 4GB | 3GB | 4GB | |
Storage | 64GB | 32GB | 64GB | |
Battery Capacity | 4230mAh | 5000mAh | 3500mAh | |
OS | Android 8.1 | Android 8.1 Oreo | Android 8.1 Oreo | |
Resolution | 720x1520 pixels | 1080x2340 pixels | 1080x2340 pixels | |
general | ||||
Brand | Oppo | Samsung | Realme | |
Model | A7n | Galaxy M20 | U1 | |
Release date | April 1, 2019 | January 1, 2019 | November 1, 2018 | |
Form factor | Touchscreen | Touchscreen | Touchscreen | |
Dimensions (mm) | 155.90 x 75.40 x 8.20 | - | 157.00 x 74.00 x 8.00 | |
Weight (g) | 170.00 | - | 168.00 | |
Battery capacity (mAh) | 4230 | 5000 | 3500 | |
Colours | Lake Light Green | Charcoal Black, Ocean Blue | Ambitious Black, Brave Blue, and Fiery Gold | |
Launched in India | - | Yes | Yes | |
Removable battery | - | No | No | |
Wireless charging | - | No | No | |
SAR value | - | - | 1.31 | |
display | ||||
Screen size (inches) | 6.20 | 6.30 | 6.30 | |
Touchscreen | Yes | Yes | Yes | |
Resolution | 720x1520 pixels | 1080x2340 pixels | 1080x2340 pixels | |
Aspect ratio | 19:9 | 19.5:9 | 19.5:9 | |
Pixels per inch (PPI) | 270 | - | 409 | |
Protection type | - | - | Gorilla Glass | |
hardware | ||||
Processor | 2.3GHz octa-core | 1.6GHz octa-core (2x1.8GHz + 6x1.6GHz) | 2.1GHz octa-core | |
Processor make | MediaTek Helio P35 (MT6765) | Samsung Exynos 7904 | MediaTek Helio P70 | |
RAM | 4GB | 3GB | 4GB | |
Internal storage | 64GB | 32GB | 64GB | |
Expandable storage | Yes | Yes | Yes | |
Expandable storage type | microSD | microSD | microSD | |
Expandable storage up to (GB) | 256 | 512 | 256 | |
Dedicated microSD slot | - | Yes | Yes | |
camera | ||||
Rear camera | 13-megapixel (f/2.2) + 2-megapixel (f/2.4) | 13-megapixel (f/1.9) + 5-megapixel (f/2.2) | 13-megapixel (f/2.2) + 2-megapixel (f/2.4) | |
Rear autofocus | Yes | Yes | - | |
Rear flash | Yes | Yes | LED | |
Front camera | 16-megapixel (f/2.0) | 8-megapixel (f/2.0) | 25-megapixel (f/2.0) | |
Front flash | - | No | - | |
software | ||||
Operating system | Android 8.1 | Android 8.1 Oreo | Android 8.1 Oreo | |
Skin | ColorOS 5.2.1 | Samsung Experience 9.5 UX | ColorOS 5.2 | |
connectivity | ||||
Wi-Fi | Yes | - | Yes | |
GPS | Yes | Yes | Yes | |
Bluetooth | Yes, v 4.20 | Yes | Yes, v 4.20 | |
NFC | Yes | - | - | |
USB OTG | Yes | - | Yes | |
Micro-USB | Yes | No | Yes | |
Headphones | 3.5mm | 3.5mm | 3.5mm | |
Number of SIMs | 2 | 2 | 2 | |
Wi-Fi standards supported | - | 802.11 b/g/n | 802.11 a/b/g/n/ac | |
USB Type-C | - | Yes | - | |
FM | - | - | Yes | |
Active 4G on both SIM cards | - | - | Yes | |
sim 1 | ||||
SIM Type | Nano-SIM | Nano-SIM | Nano-SIM | |
GSM/CDMA | GSM | GSM | GSM | |
3G | Yes | Yes | Yes | |
4G/ LTE | Yes | Yes | Yes | |
sim 2 | ||||
SIM Type | Nano-SIM | Nano-SIM | Nano-SIM | |
GSM/CDMA | GSM | GSM | GSM | |
3G | Yes | Yes | Yes | |
4G/ LTE | Yes | Yes | Yes | |
sensors | ||||
Fingerprint sensor | Yes | Yes | Yes | |
Compass/ Magnetometer | Yes | - | Yes | |
Proximity sensor | Yes | Yes | Yes | |
Ambient light sensor | Yes | - | Yes | |
Face unlock | - | Yes | Yes | |
Accelerometer | - | Yes | Yes | |
Gyroscope | - | - | 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 | - |