| Global Score | |
| 79.2 | 88 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 11, 10 |
| 2018-01-06 | 2020-08-06 |
| 5.87 x 2.78 x 0.33 inches | 6.27 x 2.93 x 0.37 inches |
| 6.07 ounces | 7.16 ounces |
| Black, Blue, Gold and Orchid grey | Mirage black and Mirage blue |
| Aluminum and Glass (Corning Gorilla Glass 5) | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 5.6 inches | 6.5 inches |
| 2220 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 441 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8.3 | 8.1 |
| Performance | |
| Samsung Exynos 5 Octa 7885 chipset | Samsung Exynos 9611 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali-G71 GPU | Mali-G72 MP3 GPU |
| 9.18 | 9.36 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 10.78 | 14.14 |
| Camera | |
| 16.00 MP + 16.00 MP | 64.00 MP + 32.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| -- | 0.59 inches (1/1.7") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (480 fps) (HD) slow motion video |
| 9.24 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.3 | 6.7 |
| Battery Life | |
| 3000mAh Li - Polymer Battery | 6000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.96 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
The Samsung Galaxy M31s has a general score of 88, which is much better than Galaxy A8 (2018)'s 79.2 overall score. Samsung Galaxy M31s's body is a lot newer, but thicker and somewhat heavier than the Galaxy A8 (2018). Galaxy A8 (2018) features a bit better looking display than Galaxy M31s, because although it has a bit smaller display and a quite lower 1080 x 2220 resolution, it also counts with a just a little greater pixel number in each screen inch.
The Samsung Galaxy M31s features a much bigger storage to store more apps and games than Galaxy A8 (2018), because it has more internal memory and a slot for SD memory cards that allows up to 512 GB. The Galaxy M31s has a little bit better processing power than Galaxy A8 (2018), and although they both have 8 cores, the Galaxy M31s also has 2 GB more RAM.
The Galaxy M31s has a really longer battery performance than Galaxy A8 (2018), because it has a 6000mAh battery size. Samsung Galaxy M31s has a very superior camera than Galaxy A8 (2018), because although it has a smaller aperture, it also counts with a lot better (4K) video quality and a lot better resolution camera in the back.
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