Compare phones
| Global Score | |
| 81.3 | 79.8 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 11, 10, 9.0 Pie |
| 2020-04-27 | 2019-09-20 |
| 6.27 x 2.88 x 0.34 inches | 6.24 x 2.94 x 0.30 inches |
| 6.53 ounces | 5.86 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white | Prism crush black, Prism crush green, Prism crush violet and Prism crush white |
| Plastic | -- |
| Display / Screen | |
| 6.4 inches | 6.4 inches |
| 2400 x 1080 pixels | 1560 x 720 pixels |
| Super AMOLED | Super AMOLED |
| 411 pixels per inch | 268 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 7.2 |
| Performance | |
| MediaTek Helio P65 MT6768 chipset | Samsung Exynos 7 Octa 7885 chipset |
| Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G52 MC2 GPU | Mali-G71 MP2 GPU |
| 9.09 | 8.91 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 11.74 | 14.14 |
| Camera | |
| 48.00 MP + 20.00 MP | 25.00 MP + 16.00 MP |
| f/2.00 aperture | f/1.70 aperture |
| 26.00mm focal length | 27.00mm focal length |
| 0.5 inches (1/2") sensor | -- |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 10.89 | 9.68 |
| 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 |
| 6.7 | 6.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Light Sensor and Proximity Sensor |
Comparison review
The Samsung Galaxy A31 has a global score of 81.3, which is slightly better than Galaxy A30s's overall score of 79.8. Although it's the best in this comparison review, the Samsung Galaxy A31 is a thicker and heavier cellphone than the Galaxy A30s. These phones work with Android OS, but the Samsung Galaxy A31 has the previous 10 version and Galaxy A30s has Android 11 version.
Galaxy A31 features a much better looking screen than Galaxy A30s, and although they both have a display of the same size, the Galaxy A31 also has a much higher pixel quantity per inch in the display and a way better resolution of 1080 x 2400. The Samsung Galaxy A30s has a much bigger memory to store more apps and games than Galaxy A31, and although they both have a slot for an SD memory card that allows up to 512 GB, the Samsung Galaxy A30s also has 64 GB more internal storage capacity.
Samsung Galaxy A31 features a little bit better performance than Galaxy A30s. Both have the same number of cores and a 4 GB RAM memory. Galaxy A31 takes much better pictures and videos than Samsung Galaxy A30s, because although it has a smaller diafragm aperture which is not so good for taking photos and videos in low-light environments, and they both have the same video frame rate and the same (Full HD) video quality, the Galaxy A31 also counts with a way more mega pixels camera in the back.
Galaxy A31 counts with superior battery lifetime than Galaxy A30s, because it has a 25 percent more battery capacity.
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