Huawei P20 vs Samsung Galaxy J7 Prime 2 vs Samsung Galaxy J7 Pro comparison
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| key specs |
| Display | 5.80-inch | 5.50-inch | 5.50-inch |
| Processor | HiSilicon Kirin 970 | Samsung Exynos 7 Octa 7870 | Samsung Exynos 7 Octa 7870 |
| Front Camera | 24-megapixel | 13-megapixel | 13-megapixel |
| Rear Camera | 20-megapixel | 13-megapixel | 13-megapixel |
| RAM | 4GB | 3GB | 3GB |
| Storage | 128GB | 32GB | 64GB |
| Battery Capacity | 3400mAh | 3300mAh | 3600mAh |
| OS | Android 8.1 Oreo | Android 7.0 | Android 7.0 |
| Resolution | 1080x2244 pixels | 1080x1920 pixels | 1080x1920 pixels |
| general |
| Brand | Huawei | Samsung | Samsung |
| Model | P20 | Galaxy J7 Prime 2 | Galaxy J7 Pro |
| Release date | March 1, 2018 | March 1, 2018 | June 1, 2017 |
| Form factor | Touchscreen | Touchscreen | Touchscreen |
| Dimensions (mm) | 149.10 x 70.80 x 7.65 | 151.70 x 75.00 x 8.00 | 152.40 x 74.70 x 7.90 |
| Weight (g) | 165.00 | 170.00 | - |
| Battery capacity (mAh) | 3400 | 3300 | 3600 |
| Colours | Black, Midnight Blue, Champagne Gold, Pink Gold, Twilight | Black | Black, Gold |
| Launched in India | - | Yes | Yes |
| Removable battery | - | - | No |
| display |
| Screen size (inches) | 5.80 | 5.50 | 5.50 |
| Touchscreen | Yes | Yes | Yes |
| Resolution | 1080x2244 pixels | 1080x1920 pixels | 1080x1920 pixels |
| Pixels per inch (PPI) | 428 | 401 | 401 |
| Aspect ratio | - | 16:9 | 16:9 |
| hardware |
| Processor | 1.8GHz octa-core | 1.6GHz octa-core | 1.6GHz octa-core |
| Processor make | HiSilicon Kirin 970 | Samsung Exynos 7 Octa 7870 | Samsung Exynos 7 Octa 7870 |
| RAM | 4GB | 3GB | 3GB |
| Internal storage | 128GB | 32GB | 64GB |
| Expandable storage | - | Yes | Yes |
| Expandable storage type | - | microSD | microSD |
| Expandable storage up to (GB) | - | 256 | 128 |
| camera |
| Rear camera | 20-megapixel | 13-megapixel (f/1.9) | 13-megapixel (f/1.7) |
| Rear flash | Yes | LED | LED |
| Front camera | 24-megapixel | 13-megapixel (f/1.9) | 13-megapixel (f/1.9) |
| Rear autofocus | - | Yes | Yes |
| Front flash | - | - | LED |
| software |
| Operating system | Android 8.1 Oreo | Android 7.0 | Android 7.0 |
| Skin | EMUI 8.1 | - | - |
| connectivity |
| Wi-Fi | Yes | Yes | Yes |
| Bluetooth | Yes | Yes, v 4.10 | Yes, v 4.10 |
| NFC | Yes | - | Yes |
| Number of SIMs | 2 | 2 | 2 |
| Wi-Fi standards supported | - | 802.11 b/g/n | 802.11 b/g/n |
| GPS | - | Yes | Yes |
| Micro-USB | - | Yes | Yes |
| Headphones | - | 3.5mm | 3.5mm |
| FM | - | Yes | Yes |
| Infrared | - | - | No |
| USB OTG | - | - | Yes |
| Wi-Fi Direct | - | - | No |
| Mobile High-Definition Link (MHL) | - | - | No |
| sensors |
| Proximity sensor | Yes | Yes | Yes |
| Accelerometer | Yes | Yes | Yes |
| Ambient light sensor | Yes | - | Yes |
| Fingerprint sensor | - | Yes | Yes |
| Compass/ Magnetometer | - | - | Yes |
| Gyroscope | - | - | Yes |
| Barometer | - | - | No |
| Temperature sensor | - | - | No |
| sim 1 |
| SIM Type | - | Nano-SIM | Nano-SIM |
| GSM/CDMA | - | GSM | GSM |
| 3G | - | Yes | No |
| 4G/ LTE | - | Yes | Yes |
| sim 2 |
| 3G | - | - | No |
| 4G/ LTE | - | - | Yes |