| Global Score | |
| 87.4 | 86.5 |
| Basic Information | |
| Samsung | Samsung |
| Android 5.0 | Android 11, 10 |
| 2015-04-11 | 2020-03-05 |
| 5.65 x 2.78 x 0.27 inches | 6.27 x 2.96 x 0.35 inches |
| 4.87 ounces | 6.74 ounces |
| Black, Blue, Gold and White | Black, Blue and Red |
| Aluminium and Glass | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 252.00 | -- |
| Display / Screen | |
| 5.1 inches | 6.4 inches |
| 1440 x 2560 pixels (Quad HD / 2K) | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 576 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| Capacitive, Multi-touch | No touch screen |
| 9.9 | 8.4 |
| Performance | |
| Exynos 7 Octa 7420 chipset | Exynos 9611 chipset |
| 64-bit ARM Cortex-A57 (Quad-Core 2100 MHz + Quad-Core 1500 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 3 GB (1600 MHz) RAM | 6 GB RAM |
| Mali-T760 MP8 (650 MHz) GPU | Mali-G72 MP3 GPU |
| 10.08 | 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 | |
| 16.00 MP + 5.00 MP | 64.00 MP + 32.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 28.00mm focal length | 26.00mm focal length |
| 0.38 inches (1/2.6") sensor | 0.59 inches (1/1.7") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 10.01 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA, HSUPA, UMTS, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 2550mAh Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 4.56 | 7.52 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Samsung Galaxy S6 is just a bit better than Galaxy M31, having an 87.4 score against 86.5. The Samsung Galaxy S6 is an noticeably older phone than the Galaxy M31, but Samsung made it noticeably thinner and notably lighter. Both of these devices have Android operating system, but the Samsung Galaxy S6 has 5.0 version and Galaxy M31 has Android 11 version.
Galaxy S6 features a bit better processing unit than Galaxy M31, because although it has 3 GB less RAM memory, and they both have 8 cores, the Galaxy S6 also counts with an extra graphics processor and a 64-bit CPU. Galaxy S6 counts with a better looking display than Galaxy M31, because although it has a much smaller display, it also counts with a higher resolution of 2560 x 1440 pixels and more pixels per inch in the display.
The Samsung Galaxy M31 takes much better pictures and videos than Galaxy S6, and although they both have the same video frame rates and the same 3840x2160 video quality, the Samsung Galaxy M31 also has a bigger diafragm aperture, a way bigger back camera sensor which provides a lot better image and video quality and a back facing camera with much more megapixels.
Galaxy M31 has a better storage to install games and applications than Galaxy S6, because although it has less internal memory, it also counts with a slot for external memory cards that holds a maximum of 512 GB. The Galaxy M31 has a superior battery performance than Galaxy S6, because it has 6000mAh of battery capacity.
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