Compare phones
| Global Score | |
| 73.5 | 86.5 |
| Basic Information | |
| Samsung | Samsung |
| Android 14 | Android 11, 10 |
| -- | 2020-03-05 |
| 6.30 x 3.02 x 0.33 inches | 6.27 x 2.96 x 0.35 inches |
| 7.05 ounces | 6.74 ounces |
| Black, Fantasy Blue, Optimistic Blue and Personality Yellow | Black, Blue and Red |
| Plastic and Plastic | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 396 pixels per inch | 403 pixels per inch |
| 800 cd/m2 brightness | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.6 | 8.4 |
| Performance | |
| Mediatek Helio G99 MT6789 (6 nm) chipset | Exynos 9611 chipset |
| processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Mali-G57 MC2 GPU | Mali-G72 MP3 GPU |
| 6.21 | 9.36 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 11.74 |
| Camera | |
| 50.00 MP + 13.00 MP | 64.00 MP + 32.00 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 |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 9.46 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G) and LTE (4G) | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 5.6 | 6.7 |
| Battery Life | |
| 5000mAh Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 7.52 |
| Other Features | |
| Bluetooth | 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 M31 is much better than Galaxy A15, getting a score of 86.5 against 73.5. Both of these phones include Android OS (operating system), but the Galaxy M31 has older 11 version and Galaxy A15 has Android 14 version. The Galaxy M31 is a just a little thicker but a bit lighter cellphone than Galaxy A15.
The Galaxy A15 features just a bit better looking display than Galaxy M31, because although it has a little lower screen density, and they both have exactly the same 1080 x 2340 resolution, the Galaxy A15 also counts with a little bigger screen and a lot brighter display. Samsung Galaxy M31 features a quite bigger memory capacity for applications, games, photos and videos than Galaxy A15, because although it has only 64 GB internal storage capacity, it also counts with a SD memory card expansion slot that admits up to 512 GB.
Galaxy M31 features a much faster processor than Samsung Galaxy A15, although it has a lower amount of RAM, they both have the same number of cores. The Galaxy M31 features a greater camera than Galaxy A15, and although they both have the same diafragm aperture, the Galaxy M31 also has a much higher 64 mega-pixels resolution back-facing camera.
Galaxy M31 features better battery performance than Galaxy A15, because it has 6000mAh of battery capacity.
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