Compare phones
| Global Score | |
| 71.6 | 81.3 |
| Basic Information | |
| OnePlus | Samsung |
| Android 11, 10, 9.0 Pie | Android 10 |
| 2019-05-21 | 2020-04-27 |
| 6.21 x 2.94 x 0.32 inches | 6.27 x 2.88 x 0.34 inches |
| 6.42 ounces | 6.53 ounces |
| Mirror gray | Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white |
| Glass (Corning Gorilla Glass 5) and Metal | Plastic |
| Scratch-Resistant Glass | -- |
| $ 319.00 | -- |
| Display / Screen | |
| 6.4 inches | 6.4 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| AMOLED | Super AMOLED |
| 403 pixels per inch | 411 pixels per inch |
| No touch screen | No touch screen |
| 8.2 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 855 chipset | MediaTek Helio P65 MT6768 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Adreno 640 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/1.70 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | -- |
| 11.88 | 10.89 |
| 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 | |
| 3700mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.68 | 6.8 |
| 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 |
Comparison review
Galaxy A31 is much better than OnePlus 7, getting an 81.3 score against 71.6. Galaxy A31's construction is newer than the OnePlus 7's, but it's a bit heavier and just a bit thicker. Both of these phones work with Android operating system, but Galaxy A31 has 10 version and OnePlus 7 has Android 11.
OnePlus 7 has a slightly better looking screen than Galaxy A31, although it has a bit lower resolution of 1080 x 2340px and a just a little inferior number of pixels per inch in the display, they both have a same size screen. OnePlus 7 counts with a bit faster processing unit than Galaxy A31, and although they both have 8 processing cores, the OnePlus 7 also has more RAM memory.
The OnePlus 7 counts with just a bit better camera than Galaxy A31, and although they both have a same size back camera sensor and the same resolution camera, the OnePlus 7 also has a larger aperture for better captures in low light situations and a way higher 3840x2160 (4K) video definition. The Galaxy A31 has a greater storage capacity to store more apps and games than OnePlus 7, because although it has only 64 GB internal memory capacity, it also counts with a slot for an SD memory card that allows a maximum of 512 GB.
Samsung Galaxy A31 counts with improved battery life than OnePlus 7, because it has a 35% bigger battery size.
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