Compare phones
| Global Score | |
| 87.7 | 79 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 10 | Android 11, 10 |
| 2020-09-11 | 2020-04-07 |
| 6.45 x 3.00 x 0.37 inches | 6.53 x 3.02 x 0.35 inches |
| 7.51 ounces | 7.37 ounces |
| Black and White | Aurora blue, Glacier white and Interstellar grey |
| Plastic and Plastic | Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 249.00 |
| Display / Screen | |
| 6.7 inches | 6.7 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED Plus | IPS LCD |
| 385 pixels per inch | 393 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8 |
| Performance | |
| Qualcomm Snapdragon 730 SM7150-AA chipset | Qualcomm Snapdragon 720G SM7125 chipset |
| Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Kryo 465, 64-bit, 8 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Adreno 618 GPU | Adreno 618 GPU |
| 9.27 | 9.27 |
| 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 | 48.00 MP + 16.00 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 | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 11.88 | 11.55 |
| 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 | 5020mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 8.32 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| 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 general score of 87.7, which is much better than Xiaomi Redmi Note 9S's score of 79. The Galaxy M51 is a just a bit heavier and just a little bit thicker cellphone than Xiaomi Redmi Note 9S. Both phones in this comparison come with Android OS (Operating System), but Galaxy M51 has 10 version while Xiaomi Redmi Note 9S has Android 11 version.
Galaxy M51 and Xiaomi Redmi Note 9S have extremely similar screens, and although the Xiaomi Redmi Note 9S has a bit higher 1080 x 2400 resolution and a little bit more pixels per inch in the display, they both have a screen of the same size. Samsung Galaxy M51 has a way bigger storage to install applications and games than Xiaomi Redmi Note 9S, and although they both have a slot for an external memory card that allows a maximum of 512 GB, the Samsung Galaxy M51 also has 128 GB internal storage capacity.
Xiaomi Redmi Note 9S counts with a processor that's just as good as the Galaxy M51 one, and although the Xiaomi Redmi Note 9S has a smaller amount of RAM, they both have a Octa-Core CPU. Galaxy M51 counts with a little bit better camera than Xiaomi Redmi Note 9S, and although they both have the same video quality, the same camera aperture and the same 30 fps video frame rate, the Galaxy M51 also has a larger sensor capturing better quality videos and photographs and a much better resolution back camera.
The Samsung Galaxy M51 has a very superior battery duration than Xiaomi Redmi Note 9S, because it has a 39 percent greater battery capacity.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.