Compare phones
| Global Score | |
| 77.7 | 89 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 10 | Android 11 |
| 2020-06-19 | 2021-08-10 |
| 6.44 x 2.96 x 0.35 inches | 6.40 x 2.97 x 0.31 inches |
| 6.77 ounces | 7.94 ounces |
| Black, Blue, Red and White | Ceramic Black, Ceramic White and Shadow Gray |
| -- | Aluminum and Ceramic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.5 inches | 6.7 inches |
| 1600 x 720 pixels | 2400 x 1080 pixels |
| TFT | AMOLED |
| 270 pixels per inch | 393 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 8.1 |
| Performance | |
| Samsung Exynos 850 chipset | Qualcomm Snapdragon 888+ SM8350-AC chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 3000 MHz) processor |
| 3 GB RAM | 8 GB RAM |
| Mali-G76 GPU | Adreno 660 GPU |
| 9.09 | 9.72 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 9.84 | 10.1 |
| Camera | |
| 48.00 MP + 13.00 MP | 108.00 MP + 20.00 MP |
| f/2.00 aperture | f/1.90 aperture |
| 26.00mm focal length | 24.00mm focal length |
| 0.5 inches (1/2") sensor | 0.75 inches (1/1.33") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1920 x 1080 (480 fps) (Full HD) slow motion video |
| 10.78 | 13.75 |
| 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 | 4500mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | NFC |
| 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 4 is better than Samsung Galaxy A21s, getting a general score of 89 against 77.7. Even though Xiaomi Mi Mix 4 is heavier than Samsung Galaxy A21s, it's thinner and also newer. Both of these phones use Android OS (Operating System), but the Xiaomi Mi Mix 4 has a more recent 11 version while Samsung Galaxy A21s has Android 10.
Xiaomi Mi Mix 4 has a better looking display than Galaxy A21s, because it has a lot better 1080 x 2400 resolution, a bit larger display and a better display pixels density. The Xiaomi Mi Mix 4 features just a bit bigger memory to install applications and games than Samsung Galaxy A21s, because although it has no slot for an SD memory card, it also counts with 128 GB internal memory capacity.
Xiaomi Mi Mix 4 has a bit better processing power than Galaxy A21s, and although they both have a Octa-Core CPU, the Xiaomi Mi Mix 4 also has 5 GB more RAM. The Samsung Galaxy A21s features a little better battery life than Xiaomi Mi Mix 4, because it has 5000mAh of battery capacity. Xiaomi Mi Mix 4 shoots greater videos and photos than Galaxy A21s, because it has a lot larger sensor taking more light and vivid colors, a bigger camera aperture for better captures and video in low light situations, a back-facing camera with a way higher resolution and a way higher video definition.
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