Compare phones
| Global Score | |
| 72 | 88 |
| Basic Information | |
| Oppo | Samsung |
| Android 10 | Android 11, 10 |
| 2020-03-03 | 2020-08-06 |
| 6.25 x 2.89 x 0.32 inches | 6.27 x 2.93 x 0.37 inches |
| 6.17 ounces | 7.16 ounces |
| Aurora blue, Midnight black and Sky white | Mirage black and Mirage blue |
| Plastic and Plastic | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 411 pixels per inch | 405 pixels per inch |
| 1200 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.1 | 8.1 |
| Performance | |
| MediaTek Helio P95 chipset | Samsung Exynos 9611 chipset |
| Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 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 | 6 GB RAM |
| PowerVR GM9446 GPU | Mali-G72 MP3 GPU |
| 9.27 | 9.36 |
| 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 | |
| 64.00 MP + 44.00 MP | 64.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 27.00mm focal length | 26.00mm focal length |
| 0.59 inches (1/1.7") sensor | 0.59 inches (1/1.7") 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 (480 fps) (HD) slow motion video |
| 12.1 | 12.1 |
| 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 | |
| 4025mAh Li - Polymer Battery | 6000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | 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 M31s has a score of 88, which is a lot better than OPPO Reno3 Pro's 72 overall score. Both phones in this comparison review come with Android operating system, but the Galaxy M31s has the newer 11 version while OPPO Reno3 Pro has Android 10 version. Despite being the best in this comparison, we must highlight that it's also a somewhat thicker and heavier phone.
Galaxy M31s has a bit faster CPU than OPPO Reno3 Pro, although it has lesser RAM, they both have the same number of cores. OPPO Reno3 Pro features a much better looking display than Samsung Galaxy M31s, because although it has a bit smaller screen, and they both have an equal 1080 x 2400px resolution, the OPPO Reno3 Pro also counts with a just a little greater pixel density.
The Samsung Galaxy M31s features a much bigger memory for apps and games than OPPO Reno3 Pro, and although they both have the same 128 GB internal storage, the Samsung Galaxy M31s also has a slot for an SD memory card that allows a maximum of 512 GB. The Samsung Galaxy M31s and OPPO Reno3 Pro both feature really similar cameras, both of them have the same back camera sensor size, the same video frame rates, a F1.8 diafragm aperture, the same video definition and a 64 mega pixels back camera.
The Galaxy M31s has a way better battery life than OPPO Reno3 Pro, because it has a 6000mAh battery capacity instead of 4025mAh.
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