Compare phones
| Global Score | |
| 84.9 | 86.5 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 11, 10 |
| 2019-05-29 | 2020-03-05 |
| 6.50 x 3.01 x 0.37 inches | 6.27 x 2.96 x 0.35 inches |
| 7.76 ounces | 6.74 ounces |
| Angel gold, Ghost white and Phantom black | Black, Blue and Red |
| Aluminum and Glass (Corning Gorilla Glass 6) | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.7 inches | 6.4 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 393 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 730 SM7150-AA chipset | Exynos 9611 chipset |
| Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 618 GPU | Mali-G72 MP3 GPU |
| 9.27 | 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 | |
| 48.00 MP | 64.00 MP + 32.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 25.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.59 inches (1/1.7") 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 | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 10.78 | 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 | |
| 3700mAh Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.68 | 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 |
Comparison review
The Samsung Galaxy M31 is slightly better than Galaxy A80, with an 86.5 score against 84.9. Samsung Galaxy M31's design is newer, lighter and just a little bit thinner than the Galaxy A80. The Galaxy M31 counts with a little sharper screen than Galaxy A80, because although it has a quite smaller screen and a little lower resolution of 1080 x 2340 pixels, it also counts with a little higher pixels number in each inch of display.
The Galaxy M31 counts with a bit faster CPU than Galaxy A80, although it has a lower amount of RAM memory, they both have 8 processing cores. Samsung Galaxy M31 has a better camera than Galaxy A80, and although they both have the same video definition and the same video frame rates, the Samsung Galaxy M31 also has a bigger back-facing camera sensor taking more light and vivid colors, a bigger aperture for better low light images and videos and a way more megapixels back camera.
Galaxy M31 has a quite bigger memory capacity to install games and applications than Samsung Galaxy A80, because although it has only 64 GB internal storage capacity, it also counts with a SD extension slot that supports a maximum of 512 GB. Samsung Galaxy M31 has a much better battery duration than Samsung Galaxy A80, because it has 6000mAh of battery capacity against 3700mAh.
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