Compare phones
| Global Score | |
| 90.7 | 84.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 11, 10 |
| 2021-03-29 | 2020-03-23 |
| 6.47 x 2.94 x 0.33 inches | 6.26 x 2.96 x 0.35 inches |
| 8.25 ounces | 6.63 ounces |
| Ceramic Black and Ceramic White | Midnight blue and Raven black |
| Ceramic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.8 inches | 6.4 inches |
| 3200 x 1440 pixels | 2340 x 1080 pixels |
| AMOLED | Super AMOLED |
| 516 pixels per inch | 403 pixels per inch |
| 1700 cd/m2 brightness | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.9 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 chipset | Exynos 9611 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 660 GPU | Mali-G72 MP3 GPU |
| 9.63 | 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 | |
| 50.00 MP + 20.00 MP | 48.00 MP + 20.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| 24.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (1920 fps) (Full HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 12.43 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 8.2 | 6.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.8 | 7.52 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| 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 Xiaomi Mi 11 Ultra is a little bit better than Galaxy M21, with a 90.7 score against 84.1. Xiaomi Mi 11 Ultra's design is newer and a little bit thinner than Galaxy M21's, although it's also heavier. These devices have the same Android 11 OS, so both of them should provide identical operating system features.
Xiaomi Mi 11 Ultra counts with a brighter display than Galaxy M21, because it has a greater pixel count in each inch of screen, way more brightness, a quite larger screen and a better 1440 x 3200 resolution. Xiaomi Mi 11 Ultra has a bit better processing power than Samsung Galaxy M21, and although they both have 8 cpu cores, the Xiaomi Mi 11 Ultra also has a larger amount of RAM memory.
Xiaomi Mi 11 Ultra captures a little bit better pictures and videos than Galaxy M21, and although they both have a 0.5 inches sensor, the Xiaomi Mi 11 Ultra also has a way better 7680x4320 video quality, a more mega-pixels camera and a larger diafragm aperture to capture better captures and video in low-light environments.
The Xiaomi Mi 11 Ultra features a quite bigger storage for games and applications than Samsung Galaxy M21, because although it has no slot for an external memory card, it also counts with 256 GB internal storage capacity. Galaxy M21 counts with longer battery duration than Xiaomi Mi 11 Ultra, because it has a 20 percent bigger battery size.
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