Compare phones
| Global Score | |
| 74.7 | 81.3 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10, 9.0 Pie | Android 10 |
| 2019-04-10 | 2020-04-27 |
| 6.24 x 2.94 x 0.31 inches | 6.27 x 2.88 x 0.34 inches |
| 5.96 ounces | 6.53 ounces |
| Black,Deep blue and Red | Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white |
| Plastic | Plastic |
| $ 166.00 | -- |
| Display / Screen | |
| 6.4 inches | 6.4 inches |
| 1560 x 720 pixels | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 268 pixels per inch | 411 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 8.1 |
| Performance | |
| Samsung Exynos 7884 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 |
| 3 GB RAM | 4 GB RAM |
| Mali-G71 MP2 GPU | Mali-G52 MC2 GPU |
| 8.91 | 9.09 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 9.84 | 11.74 |
| Camera | |
| 13.00 MP + 8.00 MP | 48.00 MP + 20.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| 27.00mm focal length | 26.00mm focal length |
| 0.32 inches (1/3.1") 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 |
| 9.02 | 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 | |
| 4000mAh 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 |
Comparison review
Samsung Galaxy A31 is a bit better than the Galaxy A20, having an 81.3 score against 74.7. The Samsung Galaxy A31 design is newer than Galaxy A20's, but it is a little thicker and just a little bit heavier. Both of these phones work with Android OS (Operating System), but the Samsung Galaxy A31 has an older 10 version and Galaxy A20 has Android 11 version.
Galaxy A31 has a little bit better hardware performance than Samsung Galaxy A20, and although they both have the same number of cores, the Galaxy A31 also has a larger amount of RAM. Samsung Galaxy A31 features a much better looking screen than Galaxy A20, and although they both have a same size screen, the Samsung Galaxy A31 also has a much better 1080 x 2400 pixels resolution and a lot better quantity of pixels per inch in the screen.
Samsung Galaxy A31 takes much clearer pictures and videos than Galaxy A20, because although it has a tinier camera aperture which is not so good for shooting images or video in poorly lited environments, and they both have the same 30 fps video frame rates and the same 1920x1080 video definition, the Samsung Galaxy A31 also counts with a back camera with a lot better resolution and a much larger camera sensor which gives a lot higher image and video quality.
The Samsung Galaxy A31 counts with a greater memory for games and applications than Samsung Galaxy A20, and although they both have an external memory card slot that admits a maximum of 512 GB, the Samsung Galaxy A31 also has 64 GB internal memory. Samsung Galaxy A31 features improved battery lifetime than Galaxy A20, because it has a 5000mAh battery capacity against 4000mAh.
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