Compare phones
| Global Score | |
| 88 | 77 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 11, 10, 9.0 Pie |
| 2020-08-06 | 2019-10-05 |
| 6.27 x 2.93 x 0.37 inches | 6.43 x 3.05 x 0.31 inches |
| 7.16 ounces | 6.46 ounces |
| Mirage black and Mirage blue | Black, Blue, Green and Red |
| -- | Plastic |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.5 inches | 6.5 inches |
| 2400 x 1080 pixels | 1560 x 720 pixels |
| Super AMOLED | TFT |
| 405 pixels per inch | 264 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 7.2 |
| Performance | |
| Samsung Exynos 9611 chipset | Qualcomm Snapdragon 450 SDM450 (14 nm) chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Cortex-A53 (Octa-Core 1800 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Adreno 506 GPU |
| 9.36 | 8.91 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 14.14 | 11.74 |
| Camera | |
| 64.00 MP + 32.00 MP | 13.00 MP + 8.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | 27.00mm focal length |
| 0.59 inches (1/1.7") sensor | 0.25 inches (1/4") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | -- |
| 12.1 | 8.91 |
| 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) and HSDPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.6 |
| Battery Life | |
| 6000mAh Battery | 4000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.2 |
| 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 | FM Radio |
Comparison review
Galaxy M31s is much better than Galaxy A20s, having an 88 score against 77. Galaxy M31s is a newer cellphone than the Galaxy A20s, although it's just a little bit heavier and thicker. Both phones in this comparison review work with the same Android 11 OS. Galaxy M31s features a better screen than Galaxy A20s, and although they both have a screen with the same size, the Galaxy M31s also has a lot higher pixel amount per inch of screen and a lot higher resolution of 1080 x 2400.
The Galaxy M31s features much more storage capacity to install games and applications than Galaxy A20s, and although they both have a SD extension slot that holds a maximum of 512 GB, the Galaxy M31s also has 64 GB more internal storage. Galaxy M31s counts with a little faster CPU than Samsung Galaxy A20s, and although they both have the same number of cores, the Galaxy M31s also has 2 GB more RAM.
The Galaxy M31s features a way better battery lifetime than Galaxy A20s, because it has a 6000mAh battery capacity instead of 4000mAh. The Galaxy M31s shoots a lot better photos and videos than Galaxy A20s, and although they both have the same diafragm aperture, the Galaxy M31s also has a lot better 3840x2160 video definition, a much bigger back-facing camera sensor capturing lot higher quality photographs and a camera with a way better 64 megapixels resolution.
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