Compare phones
| Global Score | |
| 82.1 | 88 |
| Basic Information | |
| Samsung | Samsung |
| Android 9.0 Pie, 8.0 Oreo | Android 11, 10 |
| 2018-08-27 | 2020-08-06 |
| 6.39 x 3.03 x 0.30 inches | 6.27 x 2.93 x 0.37 inches |
| 6.74 ounces | 7.16 ounces |
| Black and White | Mirage black and Mirage blue |
| Glass and Metal | -- |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.3 inches | 6.5 inches |
| 2220 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 392 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 660 SDM660 chipset | Samsung Exynos 9611 chipset |
| Kryo 260, 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 |
| 6 GB RAM | 6 GB RAM |
| Adreno 512 GPU | Mali-G72 MP3 GPU |
| 9.27 | 9.36 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 400 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 11.34 | 14.14 |
| Camera | |
| 16.00 MP + 24.00 MP | 64.00 MP + 32.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.36 inches (1/2.8") sensor | 0.59 inches (1/1.7") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (480 fps) (HD) slow motion video |
| 10.01 | 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 | |
| 3700mAh Li - Ion Battery | 6000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.68 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Galaxy M31s is just a bit better than the Galaxy A8 Star, with an 88 score against 82.1. Both phones we are comparing here have Android operating system, but the Galaxy M31s has 11 version and Galaxy A8 Star has Android 9.0 Pie. Galaxy M31s's body is newer than Galaxy A8 Star's, although it is just a little heavier and thicker.
Samsung Galaxy M31s has a bit more powerful processing unit than Galaxy A8 Star. They have 6 GB of RAM and the same number of cores. Samsung Galaxy M31s counts with a bit sharper display than Galaxy A8 Star, because it has a little bit larger screen, a slightly higher resolution of 1080 x 2400 and a quite higher number of pixels in each inch in the screen.
Galaxy M31s has a much greater storage to install applications and games than Samsung Galaxy A8 Star, because it has more internal storage capacity and an external memory slot that supports a maximum of 512 GB. The Galaxy M31s captures greater photographs and videos than Galaxy A8 Star, because although it has a tinier aperture which is not so good for shooting pictures and video in low light situations, and they both have the same (4K) video resolution and the same 30 fps video frame rate, the Galaxy M31s also counts with a way larger sensor capturing much better quality photos and a back camera with much more mega pixels.
The Galaxy M31s has a much better battery life than Galaxy A8 Star, because it has a 6000mAh battery capacity instead of 3700mAh.
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