Compare phones
| Global Score | |
| 73.9 | 85.5 |
| Basic Information | |
| Oppo | Samsung |
| Android 10, 9.0 Pie | Android 11, 10 |
| 2019-10-18 | 2019-12-27 |
| 6.30 x 2.93 x 0.37 inches | 6.24 x 2.90 x 0.31 inches |
| 6.67 ounces | 6.07 ounces |
| Luminous black, Ocean blue and Sunset pink | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| Aluminum and Glass (Corning Gorilla Glass 5) | 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 |
| AMOLED | Super AMOLED |
| 405 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 730G SM7150-AB chipset | Samsung Exynos 9611 chipset |
| Kryo 470, 64-bit, 8 nm (Octa-Core 2200 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 |
| 9.27 | 9.27 |
| Storage | |
| 256 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 17.34 | 14.14 |
| Camera | |
| 48.00 MP + 16.00 MP | 48.00 MP + 32.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| 28.00mm focal length | 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 |
| 1920 x 1080 (60 fps) (Full HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 11.55 | 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 | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | 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 |
Comparison review
Galaxy A51 has a general score of 85.5, which is much better than OPPO Reno2's 73.9 score. These phones include Android OS, but Galaxy A51 has a more recent 11 version while OPPO Reno2 has Android 10 version, so it gives you a couple additional features and optimized performance. Galaxy A51 is a thinner and a little lighter device than OPPO Reno2, even though they were only released 2 months apart.
Samsung Galaxy A51 features a CPU that's very similar to OPPO Reno2's CPU, and although the Samsung Galaxy A51 has a lower amount of RAM, they both have 8 processing cores. Galaxy A51 features a display that's very similar to the OPPO Reno2 one, both of them have an equal 1080 x 2400 pixels resolution, a higher pixels count per inch of screen and a same size display.
The Galaxy A51's camera is very similar to the camera in OPPO Reno2, and although the Galaxy A51 has a smaller camera aperture, they both have the same camera sensor size, the same 3840x2160 (4K) video quality, a 48 mega pixels resolution back-facing camera and the same video frame rate. The OPPO Reno2 has a much better memory capacity for applications and games than Galaxy A51, and although they both have an external memory card slot that holds a maximum of 512 GB, the OPPO Reno2 also has 128 GB more internal storage.
The Samsung Galaxy A51's battery lifetime is very similar to OPPO Reno2's battery life.
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