Compare phones
| Global Score | |
| 78.8 | 84.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 12 | Android 11, 10 |
| 2021-12-28 | 2020-03-23 |
| 6.01 x 2.75 x 0.32 inches | 6.26 x 2.96 x 0.35 inches |
| 6.31 ounces | 6.63 ounces |
| Black, Blue, Green and Pink | Midnight blue and Raven black |
| Aluminum and Glass | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.3 inches | 6.4 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | Super AMOLED |
| 418 pixels per inch | 403 pixels per inch |
| 1100 cd/m2 brightness | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.9 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 8 Gen1 SM8450 (4 nm) chipset | Exynos 9611 chipset |
| processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 730 GPU | Mali-G72 MP3 GPU |
| 6.21 | 9.27 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 11.74 |
| Camera | |
| 50.00 MP + 32.00 MP | 48.00 MP + 20.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.64 inches (1/1.56") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (960 fps) (Full HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 12.54 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 4500mAh Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.32 | 7.52 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
Galaxy M21 is a little bit better than Xiaomi 12, getting a score of 84.1 against 78.8. Although it's the best device in our current comparison, the Galaxy M21 construction is older, a little thicker and just a little bit heavier than Xiaomi 12. These phones have Android OS, but Galaxy M21 has 11 version while Xiaomi 12 has Android 12 version.
The Galaxy M21 has a really superior performance than Xiaomi 12, although it has a smaller amount of RAM memory, they both have the same number of cores. Xiaomi 12 features a little bit better screen than Samsung Galaxy M21, because although it has a quite smaller screen, it also counts with way more brightness, a slightly higher 1080 x 2400 pixels resolution and a just a little higher pixels number per inch in the screen.
Xiaomi 12 takes a bit better pictures and videos than Galaxy M21, because it has a back camera with more mega pixels, a much better 7680x4320 video definition, a way bigger sensor capturing more light and vivid colors and a bigger aperture. Samsung Galaxy M21 counts with a better memory to install applications and games or saving photos and videos than Xiaomi 12, because although it has 0 less internal memory capacity, it also counts with a slot for external memory cards that allows up to 512 GB.
The Samsung Galaxy M21 has longer battery lifetime than Xiaomi 12, because it has a 6000mAh battery size.
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