Compare phones
| Global Score | |
| 74.7 | 86.5 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10, 9.0 Pie | Android 11, 10 |
| 2019-04-10 | 2020-03-05 |
| 6.24 x 2.94 x 0.31 inches | 6.27 x 2.96 x 0.35 inches |
| 5.96 ounces | 6.74 ounces |
| Black,Deep blue and Red | Black, Blue and Red |
| Plastic | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| $ 166.00 | -- |
| Display / Screen | |
| 6.4 inches | 6.4 inches |
| 1560 x 720 pixels | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 268 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.2 | 8.4 |
| Performance | |
| Samsung Exynos 7884 chipset | Exynos 9611 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| Mali-G71 MP2 GPU | Mali-G72 MP3 GPU |
| 8.91 | 9.36 |
| 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 | 64.00 MP + 32.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 27.00mm focal length | 26.00mm focal length |
| 0.32 inches (1/3.1") sensor | 0.59 inches (1/1.7") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 9.02 | 12.1 |
| 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 | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 7.52 |
| 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 M31 is much better than the Galaxy A20, having an 86.5 score against 74.7. The Galaxy M31 construction is newer than the Galaxy A20's, but it is thicker and heavier. Both phones in our current comparison work with the same Android 11 OS, so you shouldn't perceive any differences regarding that.
Samsung Galaxy M31 has a bit superior processor than Galaxy A20, and although they both have a Octa-Core processing unit, the Samsung Galaxy M31 also has 3 GB more RAM memory. The Galaxy M31 counts with a much better screen than Galaxy A20, and although they both have a same size screen, the Galaxy M31 also has a much greater pixel count per inch of screen and a way higher resolution of 1080 x 2340px.
The Galaxy M31 features a bigger memory to install games and applications than Galaxy A20, and although they both have a slot for an external memory card that supports a maximum of 512 GB, the Galaxy M31 also has 32 GB more internal storage capacity. Galaxy M31 has a very superior battery lifetime than Samsung Galaxy A20, because it has a 50 percent larger battery capacity.
The Galaxy M31 captures much better pictures and videos than Galaxy A20, because it has a way better (4K) video definition, a camera in the back with much more mega pixels, a way bigger sensor which offers a lot higher photo and video quality and a bigger diafragm aperture to take better low light photos and videos.
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