Compare phones
| Global Score | |
| 77.7 | 84.3 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 10 | Android 14 |
| 2020-06-19 | 2024-07-19 |
| 6.44 x 2.96 x 0.35 inches | 6.28 x 5.64 x 0.18 inches |
| 6.77 ounces | 7.97 ounces |
| Black, Blue, Red and White | Black, Blue and White |
| -- | Aluminum and Glass |
| Display / Screen | |
| 6.5 inches | 8 inches |
| 1600 x 720 pixels | 2488 x 2224 pixels |
| TFT | AMOLED |
| 270 pixels per inch | 417 pixels per inch |
| -- | 3000 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.2 | 10 |
| Performance | |
| Samsung Exynos 850 chipset | Qualcomm Snapdragon 8 Gen 3 SM8650-AB (4 nm) chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | processor |
| 3 GB RAM | 12 GB RAM |
| Mali-G76 GPU | Adreno 750 GPU |
| 9.09 | 6.21 |
| Storage | |
| 32 GB internal memory | 256 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 9.84 | 13.3 |
| Camera | |
| 48.00 MP + 13.00 MP | 50.00 MP + 16.00 MP |
| f/2.00 aperture | f/1.70 aperture |
| 26.00mm focal length | 23.00mm focal length |
| 0.5 inches (1/2") sensor | 0.67 inches (1/1.49") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 10.78 | 12.54 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 5100mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 6.88 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.4 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Xiaomi Mi Mix Fold 4 has a general score of 84.3, which is just a bit better than the Galaxy A21s's 77.7 general score. These phones work with Android OS, but Xiaomi Mi Mix Fold 4 has a newer 14 version and Galaxy A21s has Android 10 version, providing the user a couple additional features. Although Xiaomi Mi Mix Fold 4 is heavier than Galaxy A21s, it's thinner and newer.
Galaxy A21s counts with a much better performing processor than Xiaomi Mi Mix Fold 4, although it has 9 GB lesser RAM memory, they both have a Octa-Core processing unit. Xiaomi Mi Mix Fold 4 counts with a lot better display than Galaxy A21s, because it has a lot higher resolution of 2224 x 2488 pixels, a bigger display and a lot higher pixels density.
Xiaomi Mi Mix Fold 4 features a lot bigger storage to install applications and games than Samsung Galaxy A21s, because although it has no SD memory card expansion slot, it also counts with 256 GB internal storage. Xiaomi Mi Mix Fold 4 has just a little bit longer battery life than Galaxy A21s, because it has 5100mAh of battery capacity.
Xiaomi Mi Mix Fold 4 shoots much clearer photographs and videos than Samsung Galaxy A21s, because it has a camera with more megapixels, a larger camera aperture for better photography and video in low light environments, a much larger back-facing camera sensor which offers a way better photo and video quality and a way higher video resolution.
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