 Oppo A77 4G |
 Doogee S51 |
| Release date | |
|---|---|
| 2022 | 2022 |
| Price | |
| Body | |
| Weight | |
| 6.6 oz | 9.38 oz |
| Dimensions | |
| 6.45 x 2.95 x 0.31 inch | 6.59 x 3.2 x 0.57 inch |
| Colors | |
| blue, orange | black, green, orange |
| SIM type | |
| Nano SIM | Nano SIM |
| System | |
| OS version | |
| Android OS v12.0 | Android OS v12.0 |
| SoC | |
| Mediatek Helio G35 MT6765G | Mediatek Helio G25 |
| CPU | |
| Octa-core, Quad-core 2.3 GHz Cortex-A53, Quad-core 1.8 GHz Cortex-A53 | Octa-core 2 GHz Cortex-A53 |
| GPU | |
| PowerVR GE8320 | PowerVR GE8320 |
| Performance | |
| Display | |
| Display type | |
| IPS | IPS |
| Screen size | |
| 6.56 inch | 6 inch |
| Resolution | |
| 720 x 1612 px | 720 x 1440 px |
| Multitouch support | |
| yes | yes |
| Memory | |
| RAM | |
| 4 GB | 4 GB |
| Internal storage | |
| 64 GB | 64 GB |
| Memory card slot | |
| microSD | microSD |
| Camera | |
| Main camera | |
| 50 + 2 MP, 8192 x 6144 px, autofocus | 20 + 2 MP, 5184 x 3840 px, autofocus |
| Flash | |
| LED | LED |
| Selfie camera | |
| 8 MP | 8 MP |
| Connectivity | |
| GSM 2G bands | |
| 850 / 900 / 1800 / 1900 | 850 / 900 / 1800 / 1900 |
| Network coverage | |
| 2G / 3G / 4G | 2G / 3G / 4G |
| Wi-Fi | |
| Wi-Fi 802.11 a/b/g/n/ac | Wi-Fi 802.11 a/b/g/n/ac |
| Bluetooth | |
| v5.0, A2DP | v5.0, A2DP |
| GPS | |
| A-GPS, GLONASS, Beidou, GALILEO | A-GPS, GLONASS |
| NFC | |
| yes | yes |
| FM radio | |
| no | yes |
| USB | |
| USB Type-C | USB Type-C |
| Headphone | |
| 3.5 mm jack | 3.5 mm jack |
| Battery | |
| Type | |
| Li-Po 5000 mAh, non-removable | Li-Ion 5180 mAh, non-removable |
| Features | |
| Sensors | |
| accelerometer, compass, fingerprint, gravity, light, pedometer, proximity | accelerometer, compass, fingerprint, geomagnetic, gyroscope, light, proximity |
| Specials | |
| ColorOS, Dual SIM, Fast charging | Certified IP68 dustproof and waterproof, Corning Gorilla Glass, Dual SIM, Fast charging |
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