Compare phones
| Global Score | |
| 88 | 85.5 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 11, 10 |
| 2020-08-06 | 2019-12-27 |
| 6.27 x 2.93 x 0.37 inches | 6.24 x 2.90 x 0.31 inches |
| 7.16 ounces | 6.07 ounces |
| Mirage black and Mirage blue | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 282.00 |
| Display / Screen | |
| 6.5 inches | 6.5 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 405 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.1 |
| Performance | |
| Samsung Exynos 9611 chipset | Samsung Exynos 9611 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, 10 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Mali-G72 MP3 GPU |
| 9.36 | 9.27 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 14.14 | 14.14 |
| Camera | |
| 64.00 MP + 32.00 MP | 48.00 MP + 32.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.59 inches (1/1.7") sensor | 0.5 inches (1/2") 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 | 1280 x 720 (240 fps) (HD) slow motion video |
| 12.1 | 11.55 |
| 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, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 6000mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 5.92 |
| 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, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Samsung Galaxy M31s has a general score of 88, which is slightly better than the Galaxy A51's global score of 85.5. Both of these phones use the same Android 11 OS, so both should give you the same OS features. Even being the best we are comparing here, the Samsung Galaxy M31s is a somewhat heavier and thicker cellphone than the Galaxy A51.
The Samsung Galaxy M31s features a little better processing power than Galaxy A51, and although they both have 8 cores, the Samsung Galaxy M31s also has a higher amount of RAM memory. Samsung Galaxy M31s and Samsung Galaxy A51 count with incredibly similar displays, both of them have the same pixels density, exactly the same 1080 x 2400 pixels resolution and a same size display.
The Galaxy M31s captures a bit better photos and videos than Samsung Galaxy A51, and although they both have the same 3840x2160 video resolution and the same video frame rates, the Galaxy M31s also has a larger diafragm aperture to capture better low light photos and video, a bigger camera sensor and a camera in the back with a way higher 64 mega pixels resolution.
The Samsung Galaxy A51 has as much storage to store more games and applications as the Galaxy M31s, both of them have equal 128 GB internal memory capacity and a SD memory slot that supports up to 512 GB. The Galaxy M31s features a really longer battery duration than Galaxy A51, because it has 6000mAh of battery capacity.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.