Compare phones
| Global Score | |
| 84.1 | 78.8 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 12 |
| 2020-03-23 | 2021-12-28 |
| 6.26 x 2.96 x 0.35 inches | 6.01 x 2.75 x 0.32 inches |
| 6.63 ounces | 6.31 ounces |
| Midnight blue and Raven black | Black, Blue, Green and Pink |
| Plastic and Plastic | Aluminum and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 6.3 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | AMOLED |
| 403 pixels per inch | 418 pixels per inch |
| 420 cd/m2 brightness | 1100 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 8.9 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 8 Gen1 SM8450 (4 nm) chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | processor |
| 4 GB RAM | 8 GB RAM |
| Mali-G72 MP3 GPU | Adreno 730 GPU |
| 9.27 | 6.21 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 10.1 |
| Camera | |
| 48.00 MP + 20.00 MP | 50.00 MP + 32.00 MP |
| f/2.00 aperture | f/1.90 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.64 inches (1/1.56") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 11.55 | 12.54 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 7.52 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| GPS | GPS |
| -- | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Samsung Galaxy M21 is slightly better than the Xiaomi 12, having an 84.1 score against 78.8. Despite being the best we compare here, Samsung Galaxy M21's design is older, a bit thicker and a little bit heavier than the Xiaomi 12. Both phones in this review work with Android OS (Operating System), but Samsung Galaxy M21 has older 11 version and Xiaomi 12 has Android 12.
Xiaomi 12 features a bit more vivid display than Samsung Galaxy M21, because although it has a bit smaller display, it also counts with a bit higher 1080 x 2400 resolution, much more brightness and a bit better count of pixels in each inch of display. The Samsung Galaxy M21 counts with a much more powerful processor than Xiaomi 12, although it has 4 GB lesser RAM, they both have a Octa-Core processor.
The Galaxy M21 counts with a greater memory capacity for games and applications than Xiaomi 12, because although it has 0 less internal memory, it also counts with an external memory card slot that allows a maximum of 512 GB. The Xiaomi 12 has a little bit better camera than Samsung Galaxy M21, because it has a larger diafragm aperture to take better low-light photography and videos, a way bigger back-facing camera sensor providing a way better image quality, a higher resolution camera and a lot better 7680x4320 video resolution.
The Galaxy M21 counts with improved battery lifetime than Xiaomi 12, because it has 6000mAh of battery capacity instead of 4500mAh.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.