Compare phones
| Global Score | |
| 84.3 | 91.8 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 14 | Android 11 |
| 2024-07-19 | 2021-01-29 |
| 6.28 x 5.64 x 0.18 inches | 5.97 x 2.80 x 0.31 inches |
| 7.97 ounces | 6.03 ounces |
| Black, Blue and White | Gray, Phantom pink, Violet and White |
| Aluminum and Glass | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 8 inches | 6.2 inches |
| 2488 x 2224 pixels | 2400 x 1080 pixels |
| AMOLED | Dynamic AMOLED |
| 417 pixels per inch | 424 pixels per inch |
| 3000 cd/m2 brightness | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 10 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 8 Gen 3 SM8650-AB (4 nm) chipset | Qualcomm Snapdragon 888 chipset |
| processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 12 GB RAM | 8 GB RAM |
| Adreno 750 GPU | Adreno 660 GPU |
| 6.21 | 9.63 |
| Storage | |
| 256 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 13.3 | 10.1 |
| Camera | |
| 50.00 MP + 16.00 MP | 12.00 MP + 10.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 23.00mm focal length | 26.00mm focal length |
| 0.67 inches (1/1.49") sensor | 0.57 inches (1/1.76") sensor |
| 7680 x 4320 (24 fps) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1920 x 1080 (960 fps) (Full HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 12.54 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 10.6 | 10.7 |
| Battery Life | |
| 5100mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.88 | 5.92 |
| Other Features | |
| Bluetooth 5.4 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Galaxy S21 is a bit better than Xiaomi Mi Mix Fold 4, getting a 91.8 score against 84.3. Even though Galaxy S21 is older and incredibly thicker than the Xiaomi Mi Mix Fold 4, it's construction is still a lot lighter. Both phones in our current comparison work with Android operating system, but the Galaxy S21 has 11 version while Xiaomi Mi Mix Fold 4 has Android 14.
Samsung Galaxy S21 has a much faster processing unit than Xiaomi Mi Mix Fold 4, although it has 4 GB lesser RAM, they both have a Octa-Core processor. The Xiaomi Mi Mix Fold 4 features a bit more vivid screen than Galaxy S21, because although it has a bit worse pixels number per inch of display, it also counts with a really brighter screen, a lot better resolution of 2224 x 2488 pixels and a larger display.
Xiaomi Mi Mix Fold 4 captures much better photos and videos than Galaxy S21, and although they both have the same video frame rate and the same 7680x4320 video definition, the Xiaomi Mi Mix Fold 4 also has a larger sensor taking higher quality pictures, a much better 50 megapixels resolution back camera and a larger aperture to take better images and videos in low light situations.
The Xiaomi Mi Mix Fold 4 features a much bigger storage for applications, games, photos and videos than Galaxy S21, because it has more internal memory capacity. The Xiaomi Mi Mix Fold 4 counts with better battery duration than Samsung Galaxy S21, because it has a 5100mAh battery size.
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