Compare phones
| Global Score | |
| 84.3 | 76.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 14 | Android 10 |
| 2024-07-19 | 2020-06-29 |
| 6.28 x 5.64 x 0.18 inches | 6.61 x 3.02 x 0.32 inches |
| 7.97 ounces | 6.81 ounces |
| Black, Blue and White | Black |
| Aluminum and Glass | Plastic and Plastic |
| -- | $ 194.00 |
| Display / Screen | |
| 8 inches | 6.5 inches |
| 2488 x 2224 pixels | 1600 x 720 pixels |
| AMOLED | IPS LCD |
| 417 pixels per inch | 270 pixels per inch |
| 3000 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 10 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 8 Gen 3 SM8650-AB (4 nm) chipset | Mediatek Helio P35 chipset |
| processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 12 GB RAM | 3 GB RAM |
| Adreno 750 GPU | PowerVR GE8320 GPU |
| 6.21 | 9.27 |
| Storage | |
| 256 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 13.3 | 9.84 |
| Camera | |
| 50.00 MP + 16.00 MP | 16.00 MP + 13.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 23.00mm focal length | -- |
| 0.67 inches (1/1.49") sensor | 0.33 inches (1/3.06") sensor |
| 7680 x 4320 (24 fps) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (960 fps) (Full HD) slow motion video | -- |
| 12.54 | 9.35 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 5100mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 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, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Xiaomi Mi Mix Fold 4 is better than Galaxy A21, with a score of 84.3 against 76.1. Xiaomi Mi Mix Fold 4's body is much newer and way thinner, but somewhat heavier than Galaxy A21. Both phones we compare here come with Android OS, but the Xiaomi Mi Mix Fold 4 has a newer 14 version and Galaxy A21 has Android 10 version, giving some nice extra features and performance tweaks.
Galaxy A21 features a really superior performance than Xiaomi Mi Mix Fold 4, although it has a lower amount of RAM memory, they both have a Octa-Core CPU. The Xiaomi Mi Mix Fold 4 counts with a much more vibrant screen than Galaxy A21, because it has a much higher 2224 x 2488 resolution, much more pixels per inch in the screen and a bigger screen.
The Xiaomi Mi Mix Fold 4 counts with a lot bigger memory capacity to install games and applications than Galaxy A21, because although it has no slot for an external memory card, it also counts with 224 GB more internal storage capacity. Xiaomi Mi Mix Fold 4 takes way better videos and photos than Galaxy A21, because it has a much better video resolution, a camera with a much higher resolution, a way larger camera sensor shooting way higher quality photos and videos and a bigger camera aperture for better low light images and video.
The Xiaomi Mi Mix Fold 4 features superior battery duration than Galaxy A21, because it has a 5100mAh battery capacity.
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