| Global Score | |
| 73.2 | 86.5 |
| Basic Information | |
| Samsung | Samsung |
| Android 4.3 | Android 11, 10 |
| 0000-00-00 | 2020-03-05 |
| 5.95 x 3.13 x 0.31 inches | 6.27 x 2.96 x 0.35 inches |
| 5.43 ounces | 6.74 ounces |
| Brown | Black, Blue and Red |
| -- | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| $ 95.00 | -- |
| Display / Screen | |
| 5.7 inches | 6.4 inches |
| 1080 x 1920 pixels (Full HD) | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 386 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| Capacitive, Multi-touch | No touch screen |
| 8.9 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 800 chipset | Exynos 9611 chipset |
| Krait 400 (Quad-Core 2300 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| Adreno 330 (450 MHz) GPU | Mali-G72 MP3 GPU |
| 9.27 | 9.36 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSD, microSDHC, microSDXC (up to 64 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 7.56 | 11.74 |
| Camera | |
| 13.00 MP + 2.00 MP | 64.00 MP + 32.00 MP |
| -- | 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 |
| 6.93 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| -- | Mobile Hotspot |
| LTE (4G), HSPA, HSUPA, EDGE and GPRS | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| -- | Nano SIM, Dual SIM |
| 5.9 | 6.7 |
| Battery Life | |
| 2800mAh Battery | 6000mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| 370 hours standby time 16 hours talk time | -- |
| 4.8 | 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 M31 has a score of 86.5, which is much better than Samsung Galaxy Round's 73.2 global score. Both devices in this comparison review come with Android OS, but Samsung Galaxy M31 has newer 11 version while Samsung Galaxy Round has Android 4.3 version, so it offers a couple nice extra features and optimized performance. The Samsung Galaxy M31 body is somewhat thicker and heavier than the Samsung Galaxy Round.
The Galaxy Round has a little bit better display than Galaxy M31, although it has a little less pixels per inch of display, a quite lower resolution of 1920 x 1080 and a little smaller display. The Samsung Galaxy M31 has a bit superior CPU than Galaxy Round, because although it has doesn't have a graphics processing unit, it also counts with a larger number of 2300 megahertz cores and a larger amount of RAM memory.
The Galaxy M31 captures much clearer photographs and videos than Galaxy Round, because it has a much more mega-pixels camera. The Samsung Galaxy M31 has a much bigger storage for apps and games than Samsung Galaxy Round, because it has a slot for external memory cards that admits up to 512 GB and 32 GB more internal memory capacity.
Galaxy M31 has a really longer battery performance than Galaxy Round, because it has a 114 percent greater battery size.
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