Compare phones
| Global Score | |
| 75.9 | 84.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android | Android 11, 10 |
| 2018-06-08 | 2020-03-23 |
| 5.80 x 2.88 x 0.30 inches | 6.26 x 2.96 x 0.35 inches |
| 5.78 ounces | 6.63 ounces |
| Black, Blue, Gold and Red | Midnight blue and Raven black |
| -- | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 5.9 inches | 6.4 inches |
| 2244 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | Super AMOLED |
| 422 pixels per inch | 403 pixels per inch |
| 600 cd/m2 brightness | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.7 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 710 SDM710 chipset | Exynos 9611 chipset |
| Kryo 360, 64-bit, 10 nm (Octa-Core 2200 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Adreno 616 GPU | Mali-G72 MP3 GPU |
| 9.27 | 9.27 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 7.7 | 11.74 |
| Camera | |
| 12.00 MP + 20.00 MP | 48.00 MP + 20.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.39 inches (1/2.55") 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 (240 fps) (HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 9.79 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.1 | 6.7 |
| Battery Life | |
| 3120mAh Li - Polymer Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.12 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| 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
The Samsung Galaxy M21 has a global score of 84.1, which is much better than Xiaomi Mi 8 SE's 75.9 overall score. The Samsung Galaxy M21 construction is newer, but somewhat thicker and somewhat heavier than Xiaomi Mi 8 SE. The Samsung Galaxy M21 has Android 11 OS, and Xiaomi Mi 8 SE works with Android OS.
The Xiaomi Mi 8 SE and the Samsung Galaxy M21 both have really similar processing units, and although the Samsung Galaxy M21 has a lower amount of RAM memory, they both have 8 cores. The Xiaomi Mi 8 SE counts with a little sharper screen than Galaxy M21, because although it has a quite smaller screen and a little bit lower 1080 x 2244 resolution, it also counts with a just a bit greater display pixels density and a brighter screen.
The Samsung Galaxy M21 has a lot bigger storage to install applications and games than Xiaomi Mi 8 SE, and although they both have the same internal storage capacity, the Samsung Galaxy M21 also has a slot for an external memory card that holds up to 512 GB. Samsung Galaxy M21 counts with a better camera than Xiaomi Mi 8 SE, because although it has a tinier aperture which is not favorable for low-light captures and videos, and they both have the same 3840x2160 (4K) video resolution and the same 30 frames per second video frame rates, the Samsung Galaxy M21 also counts with a lot bigger camera sensor taking more light and vivid colors and a back camera with way more MP.
Galaxy M21 counts with a way better battery lifetime than Xiaomi Mi 8 SE, because it has 6000mAh of battery capacity against 3120mAh.
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