Compare phones
| Global Score | |
| 81.2 | 84.1 |
| Basic Information | |
| Xiaomi | Samsung |
| -- | Android 11, 10 |
| 2017-10-10 | 2020-03-23 |
| 5.98 x 2.97 x 0.30 inches | 6.26 x 2.96 x 0.35 inches |
| 6.53 ounces | 6.63 ounces |
| Black | Midnight blue and Raven black |
| Aluminum and Ceramic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 614.00 | -- |
| Display / Screen | |
| 6 inches | 6.4 inches |
| 2160 x 1080 pixels | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 402 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 835 MSM8998 chipset | Exynos 9611 chipset |
| Kryo 280, 64-bit, 10 nm (Octa-Core 2450 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 540 GPU | Mali-G72 MP3 GPU |
| 9.45 | 9.27 |
| Storage | |
| 256 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 13.3 | 11.74 |
| Camera | |
| 12.00 MP + 5.00 MP | 48.00 MP + 20.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.34 inches (1/2.9") 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 (120 fps) (HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 9.57 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.3 | 6.7 |
| Battery Life | |
| 3400mAh Li - Ion Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.36 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Samsung Galaxy M21 has a global score of 84.1, which is just a bit better than the Xiaomi Mi MIX 2's global score of 81.2. Even though Samsung Galaxy M21 is noticeably newer than the Xiaomi Mi MIX 2, it is somewhat thicker and a bit heavier. Samsung Galaxy M21 features a bit sharper screen than Xiaomi Mi MIX 2, because it has a quite larger display, a bit higher resolution of 1080 x 2340 and a just a little higher count of pixels per inch of screen.
Xiaomi Mi MIX 2 features a quite bigger memory capacity for applications, games, photos and videos than Galaxy M21, because although it has no slot for an SD memory card, it also counts with 256 GB internal storage capacity. Xiaomi Mi MIX 2 counts with a bit better processing power than Galaxy M21, and although they both have a Octa-Core processor, the Xiaomi Mi MIX 2 also has a higher amount of RAM.
The Galaxy M21 counts with a much longer battery performance than Xiaomi Mi MIX 2, because it has 6000mAh of battery capacity against 3400mAh. Galaxy M21 shoots a lot better videos and photos than Xiaomi Mi MIX 2, and although they both have the same 3840x2160 (4K) video resolution, the same 30 frames per second video frame rate and a same size diafragm aperture, the Galaxy M21 also has a way larger back camera sensor capturing way better quality photos and videos and a back-facing camera with much more megapixels.
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