Compare phones
| Global Score | |
| 84.2 | 86.5 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 11, 10 |
| 2018-10-20 | 2020-03-05 |
| 6.29 x 3.02 x 0.30 inches | 6.27 x 2.96 x 0.35 inches |
| 5.93 ounces | 6.74 ounces |
| 16 777 216 | Black, Blue and Red |
| Glass (Corning Gorilla Glass 3) and Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6 inches | 6.4 inches |
| 2220 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 411 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 8.4 |
| Performance | |
| Samsung Exynos 7 Octa 7885 chipset | Exynos 9611 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 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 |
| Mali-G71 MP2 GPU | Mali-G72 MP3 GPU |
| 9.27 | 9.36 |
| 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 | |
| 24.00 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 |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 9.9 | 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, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3300mAh Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 7.52 |
| 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 Galaxy M31 has a score of 86.5, which is a little bit better than Galaxy A7 (2018)'s 84.2 global score. Galaxy M31 is a newer cellphone than Galaxy A7 (2018), although it is thicker and heavier. The Galaxy M31 features just a bit better processing power than Galaxy A7 (2018). Both of them have 8 cpu cores and a 6 GB RAM memory.
Samsung Galaxy M31 features a little bit better screen than Samsung Galaxy A7 (2018), because although it has a little bit inferior pixels amount in each inch of screen, it also counts with a slightly better 1080 x 2340 resolution and a little bit larger display. The Galaxy M31 counts with a lot better camera than Galaxy A7 (2018), because although it has a smaller camera aperture which is not good for low-light photography and video, it also counts with a much bigger sensor taking much higher quality videos and photos, a way higher (4K) video quality and a lot better resolution camera in the back.
The Samsung Galaxy A7 (2018) has a much greater memory capacity to store more apps and games than Galaxy M31, and although they both have an external memory card slot that admits up to 512 GB, the Samsung Galaxy A7 (2018) also has 128 GB internal memory. The Galaxy M31 features a much better battery performance than Samsung Galaxy A7 (2018), because it has a 6000mAh battery capacity.
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