Compare phones
| Global Score | |
| 89 | 82.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 9.0 Pie, 8.0 Oreo |
| 2021-08-10 | 2018-08-27 |
| 6.40 x 2.97 x 0.31 inches | 6.39 x 3.03 x 0.30 inches |
| 7.94 ounces | 6.74 ounces |
| Ceramic Black, Ceramic White and Shadow Gray | Black and White |
| Aluminum and Ceramic | Glass and Metal |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.7 inches | 6.3 inches |
| 2400 x 1080 pixels | 2220 x 1080 pixels |
| AMOLED | Super AMOLED |
| 393 pixels per inch | 392 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8 |
| Performance | |
| Qualcomm Snapdragon 888+ SM8350-AC chipset | Qualcomm Snapdragon 660 SDM660 chipset |
| Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 3000 MHz) processor | Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 660 GPU | Adreno 512 GPU |
| 9.72 | 9.27 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 400 GB) external memory slot |
| 10.1 | 11.34 |
| Camera | |
| 108.00 MP + 20.00 MP | 16.00 MP + 24.00 MP |
| f/1.90 aperture | f/1.70 aperture |
| 24.00mm focal length | 26.00mm focal length |
| 0.75 inches (1/1.33") sensor | 0.36 inches (1/2.8") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (480 fps) (Full HD) slow motion video | -- |
| 13.75 | 10.01 |
| 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 | |
| 4500mAh Li - Ion Battery | 3700mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.32 | 5.68 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Xiaomi Mi Mix 4 is a bit better than Samsung Galaxy A8 Star, having an 89 score against 82.1. Both devices in this review come with Android OS, but the Xiaomi Mi Mix 4 has older 11 version while Samsung Galaxy A8 Star has Android 9.0 Pie version. Xiaomi Mi Mix 4's body is extremely newer than the Samsung Galaxy A8 Star's, but it is heavier and just a little thicker.
Xiaomi Mi Mix 4 features a bit more powerful processing unit than Galaxy A8 Star, and although they both have a Octa-Core CPU, the Xiaomi Mi Mix 4 also has a larger amount of RAM. Xiaomi Mi Mix 4 has a little sharper display than Galaxy A8 Star, because it has a quite better resolution of 1080 x 2400 pixels, a bit more pixels per inch in the screen and a bit bigger display.
The Galaxy A8 Star features more storage to install applications and games or saving photos and videos than Xiaomi Mi Mix 4, because although it has only 64 GB internal memory capacity, it also counts with a SD extension slot that allows a maximum of 400 GB. The Xiaomi Mi Mix 4 features better battery lifetime than Galaxy A8 Star, because it has 4500mAh of battery capacity instead of 3700mAh.
Xiaomi Mi Mix 4 counts with a lot better camera than Galaxy A8 Star, because although it has a smaller aperture, it also counts with a much better video resolution, a lot bigger sensor shooting lot better quality videos and pictures and a back camera with much more mega-pixels.
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