Compare phones
| Global Score | |
| 72.1 | 85.5 |
| Basic Information | |
| Oppo | Samsung |
| Android 10 | Android 11, 10 |
| 2020-08-05 | 2019-12-27 |
| 6.31 x 2.88 x 0.30 inches | 6.24 x 2.90 x 0.31 inches |
| 5.68 ounces | 6.07 ounces |
| Silky white and Starry night | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| Plastic and Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 282.00 |
| Display / Screen | |
| 6.5 inches | 6.5 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 405 pixels per inch | 405 pixels per inch |
| 1100 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 720G SM7125 chipset | Samsung Exynos 9611 chipset |
| Kryo 465, 64-bit, 8 nm (Octa-Core 2300 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 618 GPU | Mali-G72 MP3 GPU |
| 9.36 | 9.27 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 14.14 |
| Camera | |
| 48.00 MP + 32.00 MP | 48.00 MP + 32.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 11.66 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 5.92 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy A51 has a score of 85.5, which is much better than OPPO Reno4 Pro's 72.1 overall score. Both of these devices work with Android OS (operating system), but the Galaxy A51 has a newer 11 version and OPPO Reno4 Pro has Android 10 version, so it provides you some nice extra features and a performance increase. Galaxy A51's body is a little bit heavier and just a little thicker than the OPPO Reno4 Pro.
OPPO Reno4 Pro features a bit more powerful processing unit than Samsung Galaxy A51, and although they both have the same number of cores, the OPPO Reno4 Pro also has 4 GB more RAM. OPPO Reno4 Pro has a much better screen than Galaxy A51. Both of them have a display with the same size, the same pixels density and an equal 1080 x 2400px resolution.
OPPO Reno4 Pro has a slightly better camera than Galaxy A51, and although they both have the same 30 frames per second video frame rates, the same resolution back facing camera, a 0.5 inches camera sensor and the same (4K) video quality, the OPPO Reno4 Pro also has a bigger aperture. Samsung Galaxy A51 features a much greater storage capacity for applications and games than OPPO Reno4 Pro, and although they both have exactly the same 128 GB internal memory capacity, the Samsung Galaxy A51 also has a SD extension slot that allows up to 512 GB.
Galaxy A51 has a battery performance that's just as good as OPPO Reno4 Pro's battery duration.
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