Compare phones
| Global Score | |
| 87.7 | 86.5 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 11, 10 |
| 2020-09-11 | 2020-03-05 |
| 6.45 x 3.00 x 0.37 inches | 6.27 x 2.96 x 0.35 inches |
| 7.51 ounces | 6.74 ounces |
| Black and White | Black, Blue and Red |
| Plastic and Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.7 inches | 6.4 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED Plus | Super AMOLED |
| 385 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 |
| 6 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 |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 14.14 | 11.74 |
| Camera | |
| 64.00 MP + 32.00 MP | 64.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.57 inches (1/1.76") 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 |
| 11.88 | 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 | |
| 7000mAh Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 8.32 | 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 | FM Radio |
Comparison review
The Samsung Galaxy M51 has a global score of 87.7, which is just a bit better than Samsung Galaxy M31's 86.5 score. These phones use Android operating system, but Samsung Galaxy M51 has older 10 version and Samsung Galaxy M31 has Android 11. Samsung Galaxy M51 is a heavier and just a bit thicker device than Samsung Galaxy M31.
The Samsung Galaxy M31 counts with a bit more vivid screen than Galaxy M51, because although it has a little smaller display, and they both have an equal 1080 x 2340 resolution, the Samsung Galaxy M31 also counts with a just a bit better display pixel density. The Samsung Galaxy M51 has a much greater memory for apps and games than Galaxy M31, and although they both have a SD memory card expansion slot that holds a maximum of 512 GB, the Samsung Galaxy M51 also has more internal memory.
Galaxy M31 counts with just a bit better processing power than Samsung Galaxy M51. They have the same RAM amount and a Octa-Core processor. The Galaxy M31 counts with a slightly better camera than Galaxy M51, and although they both have a F1.8 aperture, a 64 MP resolution back camera, the same (4K) video resolution and the same video frame rates, the Galaxy M31 also has a bigger sensor which gives a higher photo and video quality.
The Samsung Galaxy M51 counts with longer battery duration than Galaxy M31, because it has a 7000mAh battery size.
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