Compare phones
| Global Score | |
| 76.6 | 87.7 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10 | Android 10 |
| 2020-05-20 | 2020-09-11 |
| 6.39 x 3.04 x 0.35 inches | 6.45 x 3.00 x 0.37 inches |
| 7.02 ounces | 7.51 ounces |
| Forest green, Midnight gray and Polar white | Black and White |
| Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 283.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.7 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED Plus |
| 396 pixels per inch | 385 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8 |
| Performance | |
| MediaTek Helio G85 chipset | Qualcomm Snapdragon 730 SM7150-AA chipset |
| Arm Cortex-A75 and ArmCortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| Mali G52 MC2 GPU | Adreno 618 GPU |
| 9.09 | 9.27 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 10.02 | 14.14 |
| Camera | |
| 48.00 MP + 13.00 MP | 64.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.57 inches (1/1.76") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | -- |
| 11 | 11.88 |
| 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 | |
| 5020mAh Li - Polymer Battery | 7000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 8.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | 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
Galaxy M51 has a global score of 87.7, which is much better than Xiaomi Redmi Note 9's score of 76.6. Galaxy M51 is an a bit heavier and just a little thicker cellphone than the Xiaomi Redmi Note 9. These phones include the same Android 10 operating system. Galaxy M51 has a bit better CPU than Xiaomi Redmi Note 9, and although they both have a Octa-Core CPU, the Galaxy M51 also has a larger amount of RAM.
Samsung Galaxy M51 has a display that is very similar to the screen in Xiaomi Redmi Note 9, because although the Samsung Galaxy M51 has a just a bit less pixels per inch in the screen, and they both have the same 1080 x 2340 resolution, it also counts with a bit bigger screen. Samsung Galaxy M51 counts with a much better memory to install applications and games or saving photos and videos than Xiaomi Redmi Note 9, because it has a SD extension slot that holds up to 512 GB and 128 GB internal memory.
Samsung Galaxy M51 counts with a much longer battery life than Xiaomi Redmi Note 9, because it has a 39% bigger battery capacity. The Galaxy M51 has a bit better camera than Xiaomi Redmi Note 9, and although they both have a F1.8 aperture, the Galaxy M51 also has a way higher (4K) video resolution, a bigger back camera sensor providing a higher image quality and a back-facing camera with a much better 64 mega-pixels resolution.
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