Compare phones
| Global Score | |
| 88 | 79.2 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | -- |
| 2020-08-06 | 2018-01-06 |
| 6.27 x 2.93 x 0.37 inches | 5.87 x 2.78 x 0.33 inches |
| 7.16 ounces | 6.07 ounces |
| Mirage black and Mirage blue | Black, Blue, Gold and Orchid grey |
| -- | Aluminum and Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.5 inches | 5.6 inches |
| 2400 x 1080 pixels | 2220 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 405 pixels per inch | 441 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.3 |
| Performance | |
| Samsung Exynos 9611 chipset | Samsung Exynos 5 Octa 7885 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2200 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Mali-G71 GPU |
| 9.36 | 9.18 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 256 GB) external memory slot |
| 14.14 | 10.78 |
| Camera | |
| 64.00 MP + 32.00 MP | 16.00 MP + 16.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| 26.00mm focal length | -- |
| 0.59 inches (1/1.7") 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 | 9.24 |
| 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 and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.3 |
| Battery Life | |
| 6000mAh Battery | 3000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 4.96 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy M31s is much better than Galaxy A8 (2018), with a general score of 88 against 79.2. The Galaxy M31s is a a lot newer device than Galaxy A8 (2018), but it is somewhat thicker and somewhat heavier. Galaxy A8 (2018) features a bit sharper screen than Galaxy M31s, because although it has a little bit smaller display and a bit lower 1080 x 2220px resolution, it also counts with a little bit better amount of pixels in each inch in the screen.
The Galaxy M31s counts with a little bit better hardware performance than Samsung Galaxy A8 (2018), and although they both have 8 CPU cores, the Galaxy M31s also has more RAM. The Samsung Galaxy M31s features a much greater storage to store more games and applications than Samsung Galaxy A8 (2018), because it has an external memory card slot that admits up to 512 GB and more internal storage capacity.
Galaxy M31s captures greater photos and videos than Samsung Galaxy A8 (2018), because although it has a tinier aperture which is not favorable for capturing photos and video in low light environments, it also counts with a much better resolution camera in the back and a lot higher 3840x2160 (4K) video quality.
Galaxy M31s has a really longer battery performance than Galaxy A8 (2018), because it has a 6000mAh battery size instead of 3000mAh.
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