Compare phones
| Global Score | |
| 84.1 | 81.2 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | -- |
| 2020-03-23 | 2017-10-10 |
| 6.26 x 2.96 x 0.35 inches | 5.98 x 2.97 x 0.30 inches |
| 6.63 ounces | 6.53 ounces |
| Midnight blue and Raven black | Black |
| Plastic and Plastic | Aluminum and Ceramic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 614.00 |
| Display / Screen | |
| 6.4 inches | 6 inches |
| 2340 x 1080 pixels | 2160 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 403 pixels per inch | 402 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8.1 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 835 MSM8998 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 280, 64-bit, 10 nm (Octa-Core 2450 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali-G72 MP3 GPU | Adreno 540 GPU |
| 9.27 | 9.45 |
| Storage | |
| 64 GB internal memory | 256 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 13.3 |
| Camera | |
| 48.00 MP + 20.00 MP | 12.00 MP + 5.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | 0.34 inches (1/2.9") 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 | 1280 x 720 (120 fps) (HD) slow motion video |
| 11.55 | 9.57 |
| 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 and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.3 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 3400mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 5.36 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy M21 is a little bit better than the Xiaomi Mi MIX 2, getting an 84.1 score against 81.2. The Galaxy M21 is a much newer device than Xiaomi Mi MIX 2, although it is thicker and just a little heavier. The Xiaomi Mi MIX 2 has just a bit better hardware performance than Galaxy M21, and although they both have a Octa-Core processing unit, the Xiaomi Mi MIX 2 also has more RAM.
The Samsung Galaxy M21 has a slightly better looking screen than Xiaomi Mi MIX 2, because it has a little bit higher pixels count in each inch in the screen, a slightly better resolution of 1080 x 2340px and a quite larger screen. The Xiaomi Mi MIX 2 has a greater storage capacity to install games and applications than Samsung Galaxy M21, because although it has no external memory card slot, it also counts with more internal storage capacity.
The Samsung Galaxy M21 takes a lot better pictures and videos than Xiaomi Mi MIX 2, and although they both have the same 3840x2160 video resolution, the same 30 frames per second video frame rate and a F2 aperture, the Samsung Galaxy M21 also has a way larger back-facing camera sensor which provides a lot higher photo and video quality and a much more mega-pixels back-facing camera.
The Samsung Galaxy M21 counts with a much longer battery duration than Xiaomi Mi MIX 2, because it has a 6000mAh battery size instead of 3400mAh.
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