Compare phones
| Global Score | |
| 86.5 | 76 |
| Basic Information | |
| Samsung | OnePlus |
| Android 11, 10 | Android 11 |
| 2020-03-05 | 2021-04-02 |
| 6.27 x 2.96 x 0.35 inches | 6.30 x 2.92 x 0.34 inches |
| 6.74 ounces | 6.77 ounces |
| Black, Blue and Red | Arctic Sky, Astral Black and Winter Mist |
| Plastic and Plastic | Aluminum and Glass (Corning Gorilla Glass) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 700.00 |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | AMOLED |
| 403 pixels per inch | 405 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8.2 |
| 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 a global score of 86.5, which is much better than the OnePlus 9's general score of 76. Both of these phones work with the same Android 11 OS (operating system). The Galaxy M31 is an older and a little bit thicker phone than OnePlus 9, but Samsung managed to make it just a bit lighter anyway.
The OnePlus 9 has just a little better performance than Galaxy M31, and although they both have 8 cpu cores, the OnePlus 9 also has a larger amount of RAM memory. Galaxy M31 features a bit better screen than OnePlus 9, although it has a little bit smaller screen, a just a little less pixels per inch of display and a bit worse resolution of 1080 x 2340px.
OnePlus 9 features a slightly better camera than Galaxy M31, because although it has a back-facing camera with way less mega pixels, and they both have a F1.8 camera aperture, the OnePlus 9 also counts with a lot higher video quality and a larger back camera sensor. Galaxy M31 has a quite bigger memory capacity to install applications and games or saving photos and videos than OnePlus 9, because although it has only 64 GB internal memory, it also counts with an external memory card slot that supports up to 512 GB.
The Samsung Galaxy M31 has superior battery life than OnePlus 9, because it has a 6000mAh battery size against 4500mAh.
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