Compare phones
| Global Score | |
| 79.6 | 81.3 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 10 |
| 2019-03-02 | 2020-04-27 |
| 6.24 x 2.94 x 0.30 inches | 6.27 x 2.88 x 0.34 inches |
| 5.82 ounces | 6.53 ounces |
| Black, Blue and White | Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white |
| Plastic | Plastic |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.4 inches | 6.4 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 403 pixels per inch | 411 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.1 |
| Performance | |
| Samsung Exynos 7 Octa 7904 chipset | MediaTek Helio P65 MT6768 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G71 MP2 GPU | Mali-G52 MC2 GPU |
| 8.91 | 9.09 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 11.74 | 11.74 |
| Camera | |
| 16.00 MP + 16.00 MP | 48.00 MP + 20.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| 27.00mm focal length | 26.00mm focal length |
| 0.36 inches (1/2.8") sensor | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 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), 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 | |
| 4000mAh Li - Ion Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 6.8 |
| 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, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy A31 has a general score of 81.3, which is a bit better than Galaxy A30's 79.6 general score. The Galaxy A31 body is newer, but heavier and somewhat thicker than the Galaxy A30. The Samsung Galaxy A31 has just a little better processing power than Samsung Galaxy A30. Both have the same number of cores and 4 GB of RAM.
The Galaxy A31 has a bit better display than Samsung Galaxy A30, and although they both have a screen with the same size, the Galaxy A31 also has a slightly higher 1080 x 2400px resolution and a quite better quantity of pixels per inch in the screen. Galaxy A31 has a superior camera than Samsung Galaxy A30, because although it has a smaller diafragm aperture which is not favorable for low light captures and video, and they both have the same video resolution and the same 30 frames per second video frame rate, the Galaxy A31 also counts with a much bigger camera sensor shooting way better quality videos and photos and a back facing camera with a lot higher 48 megapixels resolution.
Galaxy A31's storage capacity to install games and applications is very similar to Galaxy A30's one, they have exactly the same 64 GB internal storage capacity and an external SD slot that supports a maximum of 512 GB. The Galaxy A31 counts with improved battery performance than Galaxy A30, because it has 5000mAh of battery capacity against 4000mAh.
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