Compare phones
| Global Score | |
| 86.5 | 76.6 |
| Basic Information | |
| Samsung | OnePlus |
| Android 11, 10 | Android 11 |
| 2020-03-05 | 2021-04-02 |
| 6.27 x 2.96 x 0.35 inches | 6.43 x 2.90 x 0.34 inches |
| 6.74 ounces | 6.95 ounces |
| Black, Blue and Red | Forest Green, Morning Mist and Stellar Black |
| Plastic and Plastic | Glass (Corning Gorilla Glass) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 890.00 |
| Display / Screen | |
| 6.4 inches | 6.7 inches |
| 2340 x 1080 pixels | 3216 x 1440 pixels |
| Super AMOLED | AMOLED |
| 403 pixels per inch | 526 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8.8 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 888 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 8 GB RAM |
| Mali-G72 MP3 GPU | Adreno 660 GPU |
| 9.36 | 9.63 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 10.1 |
| Camera | |
| 64.00 MP + 32.00 MP | 48.00 MP + 16.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | 23.00mm focal length |
| 0.59 inches (1/1.7") sensor | 0.71 inches (1/1.4") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 12.1 | 12.65 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 7.52 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| 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 M31 has an overall score of 86.5, which is much better than OnePlus 9 Pro's 76.6 global score. The Galaxy M31 is an older and just a little bit thicker cellphone than the OnePlus 9 Pro, but Samsung managed to make it a little lighter anyway. These devices work with the same Android 11 OS (operating system), so you shouldn't notice any differences regarding that.
The OnePlus 9 Pro features a bit superior processing unit than Galaxy M31, and although they both have a Octa-Core CPU, the OnePlus 9 Pro also has 2 GB more RAM memory. OnePlus 9 Pro features a little bit better screen than Samsung Galaxy M31, because it has a little bit larger display, a better 1440 x 3216 resolution and a greater screen density.
The Galaxy M31 has a bigger memory to install applications and games or saving photos and videos than OnePlus 9 Pro, because although it has just 64 GB internal memory, it also counts with an external SD slot that supports up to 512 GB. The OnePlus 9 Pro shoots slightly better videos and photos than Galaxy M31, because although it has a camera in the back with lot less megapixels resolution, and they both have a F1.8 diafragm aperture, the OnePlus 9 Pro also counts with a bigger camera sensor taking more light and vivid colors and a way higher 7680x4320 video resolution.
Galaxy M31 has longer battery duration than OnePlus 9 Pro, because it has a 6000mAh battery capacity.
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