Compare phones
| Global Score | |
| 76.6 | 81.3 |
| Basic Information | |
| OnePlus | Samsung |
| Android 11 | Android 10 |
| 2021-04-02 | 2020-04-27 |
| 6.43 x 2.90 x 0.34 inches | 6.27 x 2.88 x 0.34 inches |
| 6.95 ounces | 6.53 ounces |
| Forest Green, Morning Mist and Stellar Black | Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white |
| Glass (Corning Gorilla Glass) | Plastic |
| Scratch-Resistant Glass | -- |
| $ 890.00 | -- |
| Display / Screen | |
| 6.7 inches | 6.4 inches |
| 3216 x 1440 pixels | 2400 x 1080 pixels |
| AMOLED | Super AMOLED |
| 526 pixels per inch | 411 pixels per inch |
| No touch screen | No touch screen |
| 8.8 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | MediaTek Helio P65 MT6768 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 660 GPU | Mali-G52 MC2 GPU |
| 9.63 | 9.09 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 11.74 |
| Camera | |
| 48.00 MP + 16.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 23.00mm focal length | 26.00mm focal length |
| 0.71 inches (1/1.4") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (30 fps) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | -- |
| 12.65 | 10.89 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, 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 |
| 10.7 | 6.7 |
| Battery Life | |
| 4500mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.32 | 6.8 |
| Other Features | |
| Bluetooth 5.2 | 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 |
Comparison review
The Galaxy A31 has a global score of 81.3, which is slightly better than the OnePlus 9 Pro's score of 76.6. The Galaxy A31 is a just a little lighter cellphone than the OnePlus 9 Pro, but they are 0.34inches thick. These phones work with Android OS, but Galaxy A31 has older 10 version while OnePlus 9 Pro has Android 11 version.
OnePlus 9 Pro counts with a bit superior processor than Galaxy A31, and although they both have the same number of cores, the OnePlus 9 Pro also has a greater amount of RAM. OnePlus 9 Pro counts with a little sharper screen than Samsung Galaxy A31, because it has more pixels per inch of display, a little larger display and a better resolution of 1440 x 3216.
The OnePlus 9 Pro has a much better camera than Samsung Galaxy A31, and although they both have a 48 megapixels resolution back camera, the OnePlus 9 Pro also has a lot bigger camera sensor taking lot higher quality videos and photographs, a bigger camera aperture to capture better low-light captures and a lot higher video resolution.
The Galaxy A31 has a greater memory capacity to store more games and applications than OnePlus 9 Pro, because although it has less internal storage capacity, it also counts with an external memory slot that allows a maximum of 512 GB. Samsung Galaxy A31 counts with just a little bit longer battery duration than OnePlus 9 Pro, because it has an 11 percent bigger battery capacity.
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