Compare phones
| Global Score | |
| 85.2 | 89 |
| Basic Information | |
| Samsung | Xiaomi |
| -- | Android 11 |
| 2018-11-15 | 2021-08-10 |
| 6.40 x 3.03 x 0.31 inches | 6.40 x 2.97 x 0.31 inches |
| 6.46 ounces | 7.94 ounces |
| Bubblegum pink, Caviar black and Lemonade blue | Ceramic Black, Ceramic White and Shadow Gray |
| Glass and Metal | Aluminum and Ceramic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.3 inches | 6.7 inches |
| 2220 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | AMOLED |
| 392 pixels per inch | 393 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 660 SDM660 chipset | Qualcomm Snapdragon 888+ SM8350-AC chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 3000 MHz) processor |
| 6 GB RAM | 8 GB RAM |
| Adreno 512 GPU | Adreno 660 GPU |
| 9.27 | 9.72 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 14.14 | 10.1 |
| Camera | |
| 24.00 MP + 24.00 MP | 108.00 MP + 20.00 MP |
| f/1.70 aperture | f/1.90 aperture |
| 27.00mm focal length | 24.00mm focal length |
| 0.36 inches (1/2.8") sensor | 0.75 inches (1/1.33") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1920 x 1080 (480 fps) (Full HD) slow motion video |
| 10.45 | 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 | |
| 3800mAh Li - Polymer Battery | 4500mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.76 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | NFC |
| 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 4 has a general score of 89, which is a little bit better than the Galaxy A9 (2018)'s global score of 85.2. The Xiaomi Mi Mix 4 body has the same thickness than Galaxy A9 (2018), but it is heavier. Xiaomi Mi Mix 4 has a bit more powerful processing unit than Galaxy A9 (2018), and although they both have the same number of cores, the Xiaomi Mi Mix 4 also has a greater amount of RAM.
The Xiaomi Mi Mix 4 features a bit more vivid screen than Samsung Galaxy A9 (2018), because it has a bit larger screen, a little bit more pixels per inch in the display and a quite better 1080 x 2400px resolution. Galaxy A9 (2018) counts with much more storage for applications, games, photos and videos than Xiaomi Mi Mix 4, and although they both have exactly the same 128 GB internal storage, the Galaxy A9 (2018) also has a SD memory card expansion slot that holds a maximum of 512 GB.
Xiaomi Mi Mix 4 counts with a little better battery lifetime than Samsung Galaxy A9 (2018), because it has an 18 percent larger battery capacity. Xiaomi Mi Mix 4 counts with a very superior camera than Galaxy A9 (2018), because although it has a smaller aperture which is not favorable for shooting images or videos in poorly lited environments, it also counts with a back camera with a much better 108 mega pixels resolution, a way higher 7680x4320 video resolution and a much bigger back camera sensor which offers a much higher image and video quality.
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