Compare phones
| Global Score | |
| 72.2 | 88 |
| Basic Information | |
| Oppo | Samsung |
| Android 8.1 Oreo | Android 11, 10 |
| 2018-07-25 | 2020-08-06 |
| 6.17 x 2.92 x 0.38 inches | 6.27 x 2.93 x 0.37 inches |
| 6.56 ounces | 7.16 ounces |
| Blue and Red | Mirage black and Mirage blue |
| Aluminum and Glass | -- |
| 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 |
| 8.2 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 845 SDM845 chipset | Samsung Exynos 9611 chipset |
| Kryo 385, 64-bit, 10 nm (Octa-Core 2800 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 630 GPU | Mali-G72 MP3 GPU |
| 9.63 | 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 | |
| 16.00 MP + 25.00 MP | 64.00 MP + 32.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| 0.38 inches (1/2.6") sensor | 0.59 inches (1/1.7") 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 (480 fps) (HD) slow motion video |
| 10.12 | 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 |
| Micro SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3730mAh Li - Ion Battery | 6000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.68 | 7.52 |
| Other Features | |
| Bluetooth 5.0, EDR | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Samsung Galaxy M31s is much better than the OPPO Find X, getting an 88 score against 72.2. Even though the Samsung Galaxy M31s is just a little heavier than OPPO Find X, it's just a little bit thinner and also noticeably newer. These phones work with Android OS, but Samsung Galaxy M31s has the older 11 version while OPPO Find X has Android 8.1 Oreo.
OPPO Find X features a bit more vivid display than Galaxy M31s, although it has a just a bit less pixels per screen inch, a little bit smaller screen and a bit worse 1080 x 2340 pixels resolution. Samsung Galaxy M31s counts with a slightly better storage to install applications and games than OPPO Find X, because although it has only 128 GB internal storage, it also counts with a SD card slot that supports a maximum of 512 GB.
OPPO Find X features a little better hardware performance than Galaxy M31s, and although they both have a Octa-Core CPU, the OPPO Find X also has a greater amount of RAM. Galaxy M31s captures much better photos and videos than OPPO Find X, and although they both have the same video definition and the same 30 frames per second video frame rates, the Galaxy M31s also has a back facing camera with a lot better 64 mega pixels resolution, a larger aperture to take better low-light photos and video and a way larger back camera sensor capturing way better quality videos and photos.
Galaxy M31s has a much longer battery duration than OPPO Find X, because it has a 6000mAh battery capacity against 3730mAh.
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