Compare phones
| Global Score | |
| 72.8 | 88 |
| Basic Information | |
| Oppo | Samsung |
| Android 9.0 Pie | Android 11, 10 |
| 2019-06-05 | 2020-08-06 |
| 6.17 x 2.93 x 0.35 inches | 6.27 x 2.93 x 0.37 inches |
| 6.53 ounces | 7.16 ounces |
| Black and Green | Mirage black and Mirage blue |
| Glass (Corning Gorilla Glass 5) | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| AMOLED | Super AMOLED |
| 403 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 710 SDM710 chipset | Samsung Exynos 9611 chipset |
| Kryo 360, 64-bit, 10 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 |
| Adreno 616 GPU | Mali-G72 MP3 GPU |
| 9.27 | 9.36 |
| Storage | |
| 256 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 13.3 | 14.14 |
| Camera | |
| 48.00 MP + 16.00 MP | 64.00 MP + 32.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| 0.5 inches (1/2") 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 |
| 11.55 | 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, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3765mAh Battery | 6000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.68 | 7.52 |
| 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
The Galaxy M31s has a general score of 88, which is way better than the OPPO Reno's 72.8 global score. Both of these phones work with Android OS (operating system), but the Galaxy M31s has the previous 11 version and OPPO Reno has Android 9.0 Pie. Even though Galaxy M31s is newer than OPPO Reno, it is just a little bit thicker and a little heavier.
The Samsung Galaxy M31s has a bit faster processing unit than OPPO Reno, although it has a lower amount of RAM, they both have 8 CPU cores. The OPPO Reno and the Galaxy M31s have similar displays, although the Galaxy M31s also has a quite better resolution of 1080 x 2400 pixels, a bit bigger screen and a just a little better display density.
The Galaxy M31s has a bit more storage for applications, games, photos and videos than OPPO Reno, because although it has 0 less internal storage, it also counts with a slot for an SD memory card that holds up to 512 GB. The Samsung Galaxy M31s takes clearer pictures and videos than OPPO Reno, because although it has a tinier aperture which is not nice for low-light photography and video, and they both have the same video frame rate and the same video definition, the Samsung Galaxy M31s also counts with a larger back camera sensor which offers a higher image and video quality and a back-facing camera with a lot better resolution.
Samsung Galaxy M31s has a really longer battery lifetime than OPPO Reno, because it has a 59% greater battery capacity.
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