Compare phones
| Global Score | |
| 73.5 | 81.3 |
| Basic Information | |
| Samsung | Samsung |
| Android 14 | Android 10 |
| -- | 2020-04-27 |
| 6.30 x 3.02 x 0.33 inches | 6.27 x 2.88 x 0.34 inches |
| 7.05 ounces | 6.53 ounces |
| Black, Fantasy Blue, Optimistic Blue and Personality Yellow | Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white |
| Plastic and Plastic | Plastic |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 396 pixels per inch | 411 pixels per inch |
| 800 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.6 | 8.1 |
| Performance | |
| Mediatek Helio G99 MT6789 (6 nm) chipset | MediaTek Helio P65 MT6768 chipset |
| processor | Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Mali-G57 MC2 GPU | Mali-G52 MC2 GPU |
| 6.21 | 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 | |
| 50.00 MP + 13.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| -- | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 9.46 | 10.89 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G) and LTE (4G) | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 5.6 | 6.7 |
| Battery Life | |
| 5000mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 6.8 |
| Other Features | |
| Bluetooth | 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 an overall score of 81.3, which is better than Samsung Galaxy A15's 73.5 global score. Galaxy A31's body is a bit lighter but just a bit thicker than Samsung Galaxy A15. Both phones in this review come with Android operating system, but the Galaxy A31 has the previous 10 version and Samsung Galaxy A15 has Android 14.
The Galaxy A31 has a much better performing processor than Galaxy A15, although it has a lower amount of RAM, they both have 8 cores. The Samsung Galaxy A15 counts with a bit more vivid screen than Galaxy A31, because although it has a just a little lower screen density and a little lower 1080 x 2340 resolution, it also counts with a little bit larger display.
The Galaxy A31 shoots better pictures and videos than Galaxy A15, although it has a lesser megapixels back facing camera and a tinier aperture which is not recommended for capturing photographs or video in poorly lited environments. Samsung Galaxy A31 has a quite bigger memory capacity to install applications and games or saving photos and videos than Galaxy A15, because although it has only 64 GB internal memory capacity, it also counts with an external memory slot that admits a maximum of 512 GB.
Galaxy A31's battery performance is just as good as Samsung Galaxy A15's battery performance.
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