Compare phones
| Global Score | |
| 86.5 | 87 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 11, 10 |
| 2020-03-05 | 2020-11-06 |
| 6.27 x 2.96 x 0.35 inches | 6.47 x 2.99 x 0.34 inches |
| 6.74 ounces | 6.81 ounces |
| Black, Blue and Red | Prism Dot black, Prism Dot grey and Prism Dot white |
| Plastic and Plastic | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.4 inches | 6.6 inches |
| 2340 x 1080 pixels | 1600 x 720 pixels |
| Super AMOLED | Super AMOLED |
| 403 pixels per inch | 266 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 7.2 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 750G SM7225 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 570, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Adreno 619 GPU |
| 9.36 | 9.18 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 1000 GB) external memory slot |
| 11.74 | 15.38 |
| Camera | |
| 64.00 MP + 32.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.59 inches (1/1.7") sensor | -- |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 12.1 | 11.11 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 5000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 6.8 |
| 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 | -- |
Comparison review
Galaxy A42 is just a bit better than Samsung Galaxy M31, having a score of 87 against 86.5. Although Galaxy A42 and the Samsung Galaxy M31 were released with only 8 months difference, Galaxy A42's construction is a bit thinner but just a bit heavier than the Samsung Galaxy M31. These devices work with the same Android 11 OS (operating system).
The Galaxy M31 counts with a more vivid screen than Galaxy A42, because although it has a little smaller screen, it also counts with a lot greater number of pixels per inch of display and a way better resolution of 1080 x 2340 pixels. Samsung Galaxy A42 counts with a much greater storage to store more games and applications than Galaxy M31, because it has 128 GB internal memory and a slot for external memory cards that holds a maximum of 1000 GB.
The Samsung Galaxy M31 counts with a little bit better processing power than Samsung Galaxy A42, and although they both have 8 CPU cores, the Samsung Galaxy M31 also has 2 GB more RAM. The Samsung Galaxy M31 has greater battery lifetime than Samsung Galaxy A42, because it has 6000mAh of battery capacity.
Samsung Galaxy M31 shoots a little bit better videos and photos than Galaxy A42, and although they both have the same video resolution, a same size aperture and the same 30 fps video frame rates, the Samsung Galaxy M31 also has a way higher resolution back facing camera.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.