Compare phones
| Global Score | |
| 84.1 | 77.7 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 8.1 Oreo |
| 2020-03-23 | -- |
| 6.26 x 2.96 x 0.35 inches | 6.16 x 2.98 x 0.30 inches |
| 6.63 ounces | 5.96 ounces |
| Midnight blue and Raven black | 16 777 216 |
| Plastic and Plastic | Aluminum and Glass |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.4 inches | 6.3 inches |
| 2340 x 1080 pixels | 2280 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 403 pixels per inch | 400 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8.1 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 660 SDM660 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali-G72 MP3 GPU | Adreno 512 GPU |
| 9.27 | 9.27 |
| 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 | 12.00 MP + 24.00 MP |
| f/2.00 aperture | f/1.90 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | 0.39 inches (1/2.55") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1920 x 1080 (120 fps) (Full HD) slow motion video |
| 11.55 | 9.9 |
| 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 |
| 6.7 | 6.7 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 3350mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 5.36 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy M21 has a global score of 84.1, which is a little bit better than the Xiaomi Mi 8 Lite's 77.7 overall score. The Galaxy M21 is a heavier and thicker device than Xiaomi Mi 8 Lite. Both devices we compare here work with Android operating system, but Galaxy M21 has an older 11 version while Xiaomi Mi 8 Lite has Android 8.1 Oreo.
Galaxy M21 has a little sharper screen than Xiaomi Mi 8 Lite, because it has a little larger display, a bit higher resolution of 1080 x 2340 pixels and a little more pixels per screen inch. Xiaomi Mi 8 Lite has a CPU that is very similar to the processor in Galaxy M21, and although the Xiaomi Mi 8 Lite has a greater amount of RAM memory, they both have the same number of cores.
The Galaxy M21 counts with more storage capacity for games and applications than Xiaomi Mi 8 Lite, because although it has only 64 GB internal memory capacity, it also counts with an external memory card slot that supports a maximum of 512 GB. The Galaxy M21 has a much better battery duration than Xiaomi Mi 8 Lite, because it has 6000mAh of battery capacity.
The Samsung Galaxy M21 features a much better camera than Xiaomi Mi 8 Lite, because although it has a tinier aperture which is worse for low-light captures, and they both have the same video quality and the same 30 frames per second video frame rate, the Samsung Galaxy M21 also counts with a lot bigger sensor which provides a much higher photo and video quality and a much higher 48 MP resolution back-facing camera.
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