Compare phones
| Global Score | |
| 76.5 | 84.1 |
| Basic Information | |
| Xiaomi | Samsung |
| -- | Android 11, 10 |
| 2017-04-28 | 2020-03-23 |
| 5.72 x 2.78 x 0.29 inches | 6.26 x 2.96 x 0.35 inches |
| 5.93 ounces | 6.63 ounces |
| Black, Blue and White | Midnight blue and Raven black |
| Glass and Metal | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| $ 421.00 | -- |
| Display / Screen | |
| 5.2 inches | 6.4 inches |
| 1920 x 1080 pixels (Full HD) | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 424 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 835 MSM8998 chipset | Exynos 9611 chipset |
| Kryo 280, 64-bit, 10 nm (Octa-Core 2457 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 | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 11.74 |
| Camera | |
| 12.00 MP + 8.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 27.00mm focal length | 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 |
| 9.68 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| -- | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 3 | 6.7 |
| Battery Life | |
| 3350mAh Li - Polymer 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 | -- |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
Galaxy M21 is just a bit better than Xiaomi Mi 6, with a global score of 84.1 against 76.5. Galaxy M21's body is extremely newer than Xiaomi Mi 6's, although it's somewhat thicker and somewhat heavier. Xiaomi Mi 6 has a bit better screen than Samsung Galaxy M21, because although it has a little bit smaller display and a little lower 1080 x 1920 resolution, it also counts with a just a bit more pixels per display inch and a brighter display.
The Xiaomi Mi 6 features a bit superior processor than Galaxy M21, and although they both have 8 cpu cores, the Xiaomi Mi 6 also has a larger amount of RAM memory. The Samsung Galaxy M21 counts with a much better camera than Xiaomi Mi 6, because although it has a tinier aperture which is not good for low-light images and video, and they both have the same (4K) video quality and the same 30 frames per second video frame rates, the Samsung Galaxy M21 also counts with a way larger back-facing camera sensor taking more light and vivid colors and a way higher 48 mega-pixels resolution back-facing camera.
Samsung Galaxy M21 has a quite bigger storage capacity to store more apps and games than Xiaomi Mi 6, because although it has less internal storage capacity, it also counts with a slot for SD memory cards that admits a maximum of 512 GB. The Galaxy M21 features a much better battery life than Xiaomi Mi 6, because it has 6000mAh of battery capacity.
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