| Global Score | |
| 75.4 | 88 |
| Basic Information | |
| Samsung | Samsung |
| Android 4.4.4 | Android 11, 10 |
| 2015-01-11 | 2020-08-06 |
| 5.94 x 3.00 x 0.25 inches | 6.27 x 2.93 x 0.37 inches |
| 4.97 ounces | 7.16 ounces |
| Blue, Gold and White | Mirage black and Mirage blue |
| Metal | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 360.00 | -- |
| Display / Screen | |
| 5.5 inches | 6.5 inches |
| 1080 x 1920 pixels (Full HD) | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 401 pixels per inch | 405 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 615 8939 chipset | Samsung Exynos 9611 chipset |
| 64-bit ARM Cortex-A53 (Quad-Core 1500 MHz + Quad-Core 1000 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 2 GB (800 MHz) RAM | 6 GB RAM |
| Adreno 405 (500 MHz) GPU | Mali-G72 MP3 GPU |
| 9.45 | 9.36 |
| Storage | |
| 16 GB internal memory | 128 GB internal memory |
| microSD, microSDHC, microSDXC (up to 64 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 6.16 | 14.14 |
| Camera | |
| 13.00 MP + 5.00 MP | 64.00 MP + 32.00 MP |
| -- | f/1.80 aperture |
| -- | 26.00mm focal length |
| -- | 0.59 inches (1/1.7") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (480 fps) (HD) slow motion video |
| 8.03 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 7 | 6.7 |
| Battery Life | |
| 2600mAh Li-Ion Battery | 6000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 17 hours talk time | -- |
| 4.56 | 7.52 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Samsung Galaxy M31s has an overall score of 88, which is much better than the Samsung Galaxy A7's general score of 75.4. Both of these phones use Android OS (operating system), but Samsung Galaxy M31s has 11 version while Samsung Galaxy A7 has Android 4.4.4. Although Samsung Galaxy M31s is incredibly newer than Samsung Galaxy A7, it's thicker and extremely heavier.
The Galaxy A7 counts with a sharper display than Galaxy M31s, although it has a little less pixels per inch in the display, a bit smaller screen and a bit worse resolution of 1920 x 1080px. The Galaxy A7 has a bit superior CPU than Samsung Galaxy M31s, because although it has a smaller amount of RAM memory, and they both have the same number of cores, the Galaxy A7 also counts with a 64-bit CPU and a GPU.
The Galaxy M31s has a much greater memory capacity to store more games and applications than Samsung Galaxy A7, because it has a SD memory card expansion slot that admits a maximum of 512 GB and 128 GB internal memory capacity. The Galaxy M31s features a much better battery performance than Galaxy A7, because it has 6000mAh of battery capacity against 2600mAh.
The Samsung Galaxy M31s has a way better camera than Galaxy A7, because it has a back camera with a lot better 64 mega-pixels resolution and a lot higher video resolution.
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