Compare phones
| Global Score | |
| 11.67 | 9.24 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11 | -- |
| 2021-01-29 | 2017-06-01 |
| 6.50 x 2.98 x 0.35 inches | 6.85 x 3.49 x 0.30 inches |
| 8.04 ounces | 7.44 ounces |
| Phantom black and Silver | Black and Gold |
| Aluminum and Glass (Corning Gorilla Glass Victus) | Metal |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 966.00 | $ 295.00 |
| Display / Screen | |
| 6.8 inches | 6.4 inches |
| 3200 x 1440 pixels | 1920 x 1080 pixels (Full HD) |
| Dynamic AMOLED | IPS LCD |
| 516 pixels per inch | 344 pixels per inch |
| 1500 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.8 | 7.7 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 625 8953 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2000 MHz) processor |
| 12 GB RAM | 4 GB RAM |
| Adreno 660 GPU | Adreno 506 GPU |
| 9.72 | 9.09 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 128 GB) external memory slot |
| 10.1 | 12.42 |
| Camera | |
| 108.00 MP + 40.00 MP | 12.00 MP + 5.00 MP |
| f/1.80 aperture | f/2.20 aperture |
| 24.00mm focal length | -- |
| 0.75 inches (1/1.33") sensor | 0.34 inches (1/2.9") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1920 x 1080 (120 fps) (Full HD) slow motion video |
| 13.75 | 9.57 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE (4G) and HSPA |
| Nano SIM | Micro SIM |
| 10.7 | 6 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 5300mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 4.96 | 5.76 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 4.2 |
| GPS | GPS |
| NFC | -- |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Samsung Galaxy S21 Ultra has an overall score of 11.67, which is way better than Xiaomi Mi Max 2's global score of 9.24. The Samsung Galaxy S21 Ultra construction is notably newer, but thicker and just a bit heavier than Xiaomi Mi Max 2. The Galaxy S21 Ultra has a little faster processor than Xiaomi Mi Max 2, and although they both have a Octa-Core CPU, the Galaxy S21 Ultra also has a higher amount of RAM.
Samsung Galaxy S21 Ultra has a much more vibrant screen than Xiaomi Mi Max 2, because it has a way higher 1440 x 3200px resolution, a greater pixels number per display inch and a little larger screen. The Samsung Galaxy S21 Ultra shoots greater photographs and videos than Xiaomi Mi Max 2, because it has a much better 7680x4320 video resolution, a camera with much more mega-pixels, a bigger aperture to capture better low light captures and video and a way bigger sensor capturing more light and vivid colors.
The Xiaomi Mi Max 2 counts with a superior storage capacity for applications and games than Galaxy S21 Ultra, and although they both have the same internal storage capacity, the Xiaomi Mi Max 2 also has an external memory card slot that holds up to 128 GB. The Xiaomi Mi Max 2 features improved battery performance than Galaxy S21 Ultra, because it has 5300mAh of battery capacity instead of 5000mAh.
Galaxy S21 Ultra is a lot more expensive than Xiaomi Mi Max 2, but it's still a great choice, as you can get a lot more for that extra money.