Compare phones
| Global Score | |
| 89 | 85.2 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | -- |
| 2021-08-10 | 2018-11-15 |
| 6.40 x 2.97 x 0.31 inches | 6.40 x 3.03 x 0.31 inches |
| 7.94 ounces | 6.46 ounces |
| Ceramic Black, Ceramic White and Shadow Gray | Bubblegum pink, Caviar black and Lemonade blue |
| 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 | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 14.14 |
| Camera | |
| 108.00 MP + 20.00 MP | 24.00 MP + 24.00 MP |
| f/1.90 aperture | f/1.70 aperture |
| 24.00mm focal length | 27.00mm 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 | 10.45 |
| 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, Dual SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 4500mAh Li - Ion Battery | 3800mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.32 | 5.76 |
| 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, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Xiaomi Mi Mix 4 is a bit better than the Galaxy A9 (2018), having a score of 89 against 85.2. The Xiaomi Mi Mix 4 is a somewhat heavier phone than Galaxy A9 (2018), but both of them have the same thickness. Xiaomi Mi Mix 4 features a little bit better screen than Samsung Galaxy A9 (2018), because it has a little bit greater pixels amount per inch in the display, a bit larger screen and a quite better 1080 x 2400px resolution.
The Galaxy A9 (2018) counts with much more storage capacity for applications and games than Xiaomi Mi Mix 4, and although they both have equal 128 GB internal storage, the Galaxy A9 (2018) also has a slot for external memory cards that admits a maximum of 512 GB. Xiaomi Mi Mix 4 counts with just a little better processing power than Samsung Galaxy A9 (2018), and although they both have 8 cpu cores, the Xiaomi Mi Mix 4 also has 2 GB more RAM.
Xiaomi Mi Mix 4 counts with a much better camera than Galaxy A9 (2018), because although it has a tinier camera aperture, it also counts with a way more megapixels camera in the back, a way larger camera sensor capturing much higher quality videos and photographs and a much better 7680x4320 video quality.
Xiaomi Mi Mix 4 has a little better battery life than Samsung Galaxy A9 (2018), because it has 4500mAh of battery capacity against 3800mAh.
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