Compare phones
| Global Score | |
| 86.5 | 77.6 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | -- |
| 2020-03-05 | 2014-09-29 |
| 6.27 x 2.96 x 0.35 inches | 6.04 x 3.09 x 0.33 inches |
| 6.74 ounces | 6.21 ounces |
| Black, Blue and Red | Black, Gold, Pink and White |
| Plastic and Plastic | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 5.7 inches |
| 2340 x 1080 pixels | 2560 x 1440 pixels (Quad HD / 2K) |
| Super AMOLED | Super AMOLED |
| 403 pixels per inch | 515 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8.6 |
| Performance | |
| Exynos 9611 chipset | Samsung Exynos 7 Octa 5433 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | ARM Cortex-A57 and ARM Cortex-A53, 64-bit, 20 nm (Octa-Core 1900 MHz) processor |
| 6 GB RAM | 3 GB RAM |
| Mali-G72 MP3 GPU | Mali-T760 MP6 GPU |
| 9.36 | 9 |
| Storage | |
| 64 GB internal memory | 32 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 128 GB) external memory slot |
| 11.74 | 8.12 |
| Camera | |
| 64.00 MP + 32.00 MP | 16.00 MP + 3.70 MP |
| f/1.80 aperture | f/2.20 aperture |
| 26.00mm focal length | 31.00mm focal length |
| 0.59 inches (1/1.7") sensor | 0.38 inches (1/2.6") 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 | 1920 x 1080 (60 fps) (Full HD) slow motion video |
| 12.1 | 9.9 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Micro SIM |
| 6.7 | 6.6 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 3220mAh Li - Ion Battery |
| Non-Removable Battery | Removable Battery |
| 7.52 | 5.2 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.1, EDR |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy M31 has a score of 86.5, which is much better than Samsung Galaxy Note4's 77.6 score. Galaxy M31's body is way newer than Samsung Galaxy Note4's, but it is just a little bit thicker and a bit heavier. Samsung Galaxy M31 has a bit faster CPU than Samsung Galaxy Note4, and although they both have 8 cores, the Samsung Galaxy M31 also has more RAM.
The Samsung Galaxy Note4 counts with a little more vivid display than Samsung Galaxy M31, because although it has a little smaller screen, it also counts with a better pixel amount per inch in the screen and a better resolution of 1440 x 2560 pixels. Galaxy M31 counts with a way better camera than Samsung Galaxy Note4, and although they both have the same video frame rates and the same 3840x2160 video quality, the Galaxy M31 also has a much larger sensor taking lot better quality photographs and videos, a lot higher 64 MP resolution back facing camera and a bigger aperture to take better images and video in poorly lited situations.
The Galaxy M31 counts with a lot bigger memory for applications, games, photos and videos than Samsung Galaxy Note4, because it has more internal storage and an external memory card slot that allows up to 512 GB. Galaxy M31 has a really longer battery performance than Galaxy Note4, because it has a 6000mAh battery size.
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