Compare phones
| Global Score | |
| 76.1 | 84.3 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 10 | Android 14 |
| 2020-06-29 | 2024-07-19 |
| 6.61 x 3.02 x 0.32 inches | 6.28 x 5.64 x 0.18 inches |
| 6.81 ounces | 7.97 ounces |
| Black | Black, Blue and White |
| Plastic and Plastic | Aluminum and Glass |
| $ 194.00 | -- |
| Display / Screen | |
| 6.5 inches | 8 inches |
| 1600 x 720 pixels | 2488 x 2224 pixels |
| IPS LCD | AMOLED |
| 270 pixels per inch | 417 pixels per inch |
| -- | 3000 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.3 | 10 |
| Performance | |
| Mediatek Helio P35 chipset | Qualcomm Snapdragon 8 Gen 3 SM8650-AB (4 nm) chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | processor |
| 3 GB RAM | 12 GB RAM |
| PowerVR GE8320 GPU | Adreno 750 GPU |
| 9.27 | 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 | |
| 16.00 MP + 13.00 MP | 50.00 MP + 16.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| -- | 23.00mm focal length |
| 0.33 inches (1/3.06") 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 |
| 9.35 | 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 | Nano SIM, Dual SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 5100mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 6.88 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.4 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Xiaomi Mi Mix Fold 4 is better than Samsung Galaxy A21, having an 84.3 score against 76.1. These devices include Android OS (operating system), but Xiaomi Mi Mix Fold 4 has a newer 14 version while Samsung Galaxy A21 has Android 10, counting with some nice extra features. Although Xiaomi Mi Mix Fold 4 is heavier than the Samsung Galaxy A21, it's notably thinner and notably newer.
Samsung Galaxy A21 counts with an extremely better CPU than Xiaomi Mi Mix Fold 4, although it has a smaller amount of RAM, they both have the same number of cores. Xiaomi Mi Mix Fold 4 features a much sharper screen than Samsung Galaxy A21, because it has a larger display, a way higher resolution of 2224 x 2488 pixels and a much better pixels density.
Xiaomi Mi Mix Fold 4 has a way bigger storage to install games and applications than Galaxy A21, because although it has no external SD slot, it also counts with 256 GB internal memory. Xiaomi Mi Mix Fold 4 has improved battery performance than Samsung Galaxy A21, because it has a 28 percent greater battery size.
The Xiaomi Mi Mix Fold 4 shoots greater photos and videos than Samsung Galaxy A21, because it has a lot larger back-facing camera sensor taking much higher quality pictures, a lot higher video quality, a lot higher 50 megapixels resolution camera and a larger aperture.
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