Compare phones
| Global Score | |
| 87.7 | 76.7 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 10 | Android 11 |
| 2020-09-11 | 2021-05-27 |
| 6.45 x 3.00 x 0.37 inches | 6.23 x 2.96 x 0.33 inches |
| 7.51 ounces | 6.70 ounces |
| Black and White | Moonlight White, Neptune Blue and Space Black, |
| Plastic and Plastic | Glass and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.7 inches | 6.3 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED Plus | IPS LCD |
| 385 pixels per inch | 409 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 730 SM7150-AA chipset | MediaTek Helio G85 MT6769Z chipset |
| Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Adreno 618 GPU | Mali G52 MC2 GPU |
| 9.27 | 9.09 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 128 GB) external memory slot |
| 14.14 | 10.02 |
| Camera | |
| 64.00 MP + 32.00 MP | 48.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.57 inches (1/1.76") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| -- | 1280 x 720 (120 fps) (HD) slow motion video |
| 11.88 | 11 |
| 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 HSPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 6.6 |
| Battery Life | |
| 7000mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 8.32 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | -- |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy M51 has a global score of 87.7, which is much better than Xiaomi Redmi Note 8 2021's 76.7 general score. Galaxy M51 is better than Xiaomi Redmi Note 8 2021, we must tell that it's also somewhat thicker and somewhat heavier. These phones include Android OS (Operating System), but Galaxy M51 has older 10 version while Xiaomi Redmi Note 8 2021 has Android 11 version.
The Samsung Galaxy M51 counts with a bit better performance than Xiaomi Redmi Note 8 2021, and although they both have 8 processing cores, the Samsung Galaxy M51 also has a larger amount of RAM. Xiaomi Redmi Note 8 2021 has a slightly better looking screen than Galaxy M51, because although it has a bit smaller screen, and they both have exactly the same resolution of 1080 x 2340 pixels, the Xiaomi Redmi Note 8 2021 also counts with a bit higher pixel quantity in each inch in the screen.
The Galaxy M51 features a little bit better camera than Xiaomi Redmi Note 8 2021, and although they both have a F1.8 aperture, the Galaxy M51 also has a lot more mega pixels camera in the back, a way higher 3840x2160 (4K) video quality and a bigger back-facing camera sensor taking higher quality videos and photos.
Galaxy M51 counts with a very superior storage for applications, games, photos and videos than Xiaomi Redmi Note 8 2021, because it has a SD memory slot that holds up to 512 GB and 128 GB internal memory. The Galaxy M51 features a superior battery performance than Xiaomi Redmi Note 8 2021, because it has a 7000mAh battery capacity against 4000mAh.
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