Compare phones
| Global Score | |
| 88 | 79.6 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 11, 10, 9.0 Pie |
| 2020-08-06 | 2019-04-10 |
| 6.27 x 2.93 x 0.37 inches | 5.69 x 2.72 x 0.31 inches |
| 7.16 ounces | 4.94 ounces |
| Mirage black and Mirage blue | Black, Blue, Coral and White |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.5 inches | 5.9 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 405 pixels per inch | 437 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.2 |
| Performance | |
| Samsung Exynos 9611 chipset | Exynos 7904 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 1800 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Mali-G71 MP2 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 | 16.00 MP + 25.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| 26.00mm focal length | 27.00mm focal length |
| 0.59 inches (1/1.7") sensor | 0.36 inches (1/2.8") 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 | 9.46 |
| 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 | 3100mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 5.12 |
| 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
The Samsung Galaxy M31s has an overall score of 88, which is better than the Samsung Galaxy A40's overall score of 79.6. Both phones in this comparison have the same Android 11 OS (Operating System), so you shouldn't perceive any differences regarding operating system features. Even though Samsung Galaxy M31s is newer than Samsung Galaxy A40, it is incredibly heavier and somewhat thicker.
The Samsung Galaxy M31s features a little bit better processing power than Samsung Galaxy A40, and although they both have a Octa-Core processor, the Samsung Galaxy M31s also has a higher amount of RAM. The Galaxy A40 features a little sharper screen than Galaxy M31s, because although it has a quite lower resolution of 1080 x 2340px and a quite smaller display, it also counts with a bit greater number of pixels per inch in the screen.
Galaxy M31s has a much better camera than Galaxy A40, because although it has a tinier aperture, it also counts with a way larger back-facing camera sensor capturing way higher quality videos and photos, a much better 64 mega-pixels resolution camera and a much higher (4K) video definition. Samsung Galaxy M31s has a much better storage for apps and games than Galaxy A40, and although they both have an external memory slot that supports up to 512 GB, the Samsung Galaxy M31s also has 64 GB more internal storage.
Galaxy M31s features a superior battery lifetime than Galaxy A40, because it has 6000mAh of battery capacity.
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