Compare phones
| Global Score | |
| 79.5 | 81.3 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 10 |
| 2016-03-11 | 2020-04-27 |
| 5.61 x 2.74 x 0.31 inches | 6.27 x 2.88 x 0.34 inches |
| 5.36 ounces | 6.53 ounces |
| Black, Gold, Pink, Pink gold, Silver and White | Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white |
| Aluminum and Glass (Corning Gorilla Glass 4) | Plastic |
| Scratch-Resistant Glass | -- |
| $ 124.00 | -- |
| Display / Screen | |
| 5.1 inches | 6.4 inches |
| 2560 x 1440 pixels (Quad HD / 2K) | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 576 pixels per inch | 411 pixels per inch |
| 855 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.6 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 820 MSM8996 chipset | MediaTek Helio P65 MT6768 chipset |
| Kryo, 64-bit, 14 nm (Quad-Core 2200 MHz) processor | Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Adreno 530 GPU | Mali-G52 MC2 GPU |
| 9 | 9.09 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 200 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.56 | 11.74 |
| Camera | |
| 12.00 MP + 5.00 MP | 48.00 MP + 20.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.4 inches (1/2.5") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | -- |
| 9.79 | 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 | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3000mAh Li - Ion Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 4.96 | 6.8 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Samsung Galaxy A31 has a global score of 81.3, which is just a bit better than Galaxy S7's global score of 79.5. Even though the Samsung Galaxy A31 is notably newer than the Galaxy S7, it's just a little thicker and heavier. The Samsung Galaxy A31 counts with a little faster CPU than Galaxy S7, and although they both have a 4 GB RAM, the Samsung Galaxy A31 also has more cpu cores.
Galaxy S7 counts with a better looking screen than Galaxy A31, because although it has a really smaller screen, it also counts with a better 1440 x 2560 resolution and a greater pixel density. The Samsung Galaxy A31 has a way bigger memory to install applications and games or saving photos and videos than Samsung Galaxy S7, because it has a slot for an SD memory card that admits up to 512 GB and more internal memory capacity.
Galaxy A31 takes much clearer pictures and videos than Samsung Galaxy S7, because although it has a smaller camera aperture which is worse for capturing pictures in poorly lited environments, and they both have the same 1920x1080 video quality and the same video frame rate, the Galaxy A31 also counts with a camera with lot more mega pixels and a bigger sensor providing a better image quality.
The Galaxy A31 counts with a really longer battery performance than Samsung Galaxy S7, because it has a 5000mAh battery size.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.