Compare phones
| Global Score | |
| 84.1 | 76.2 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 6.0 Marshmallow |
| 2020-03-23 | 2016-11-04 |
| 6.26 x 2.96 x 0.35 inches | 6.25 x 3.22 x 0.31 inches |
| 6.63 ounces | 7.37 ounces |
| Midnight blue and Raven black | Black and White |
| Plastic and Plastic | Ceramic |
| Scratch-Resistant Glass | -- |
| -- | $ 590.00 |
| Display / Screen | |
| 6.4 inches | 6.4 inches |
| 2340 x 1080 pixels | 2040 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 403 pixels per inch | 361 pixels per inch |
| 420 cd/m2 brightness | 500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 8.3 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 821 MSM8996 Pro chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo, 64-bit (Quad-Core 2340 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Adreno 530 GPU |
| 9.27 | 9 |
| 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 | 16.00 MP + 5.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | 0.33 inches (1/3.06") 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 | 9.79 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE (4G) and HSPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 4400mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 6.24 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.2 |
| 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 | -- |
Comparison review
Galaxy M21 has a global score of 84.1, which is better than Xiaomi Mi MIX's overall score of 76.2. Both phones we are comparing here come with Android OS, but the Galaxy M21 has 11 version and Xiaomi Mi MIX has Android 6.0 Marshmallow version. The Galaxy M21 body is notably newer and somewhat lighter than the Xiaomi Mi MIX's, although it's thicker.
The Galaxy M21 features a bit more powerful CPU than Xiaomi Mi MIX, and although they both have the same RAM amount, the Galaxy M21 also has a larger number of cores. Galaxy M21 features a bit better looking screen than Xiaomi Mi MIX, because although it has less brightness, and they both have a screen with the same size, the Galaxy M21 also counts with a little bit more pixels per inch of display and a slightly higher 1080 x 2340 pixels resolution.
Galaxy M21 has a bigger storage for games and applications than Xiaomi Mi MIX, because although it has just 64 GB internal storage capacity, it also counts with a SD memory slot that allows up to 512 GB. The Samsung Galaxy M21 shoots better pictures and videos than Xiaomi Mi MIX, and although they both have the same aperture, the same video frame rate and the same 3840x2160 (4K) video definition, the Samsung Galaxy M21 also has a much bigger back camera sensor which offers a lot higher image and video quality and a back-facing camera with way more mega-pixels.
The Galaxy M21 has a very superior battery lifetime than Xiaomi Mi MIX, because it has a 36 percent larger battery capacity.
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