Compare phones
| Global Score | |
| 77 | 89 |
| Basic Information | |
| HTC | Xiaomi |
| -- | Android 11 |
| 2017-02-21 | 2021-08-10 |
| 6.39 x 3.14 x 0.31 inches | 6.40 x 2.97 x 0.31 inches |
| 6.00 ounces | 7.94 ounces |
| 16 777 216 | Ceramic Black, Ceramic White and Shadow Gray |
| Aluminum and Glass | Aluminum and Ceramic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 749.00 | -- |
| Display / Screen | |
| 5.7 inches | 6.7 inches |
| 2560 x 1440 pixels (Quad HD / 2K) | 2400 x 1080 pixels |
| S-LCD 5 | AMOLED |
| 515 pixels per inch | 393 pixels per inch |
| No touch screen | No touch screen |
| 8.5 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 821 MSM8996 Pro-AB chipset | Qualcomm Snapdragon 888+ SM8350-AC chipset |
| Kryo, 64-bit (Quad-Core 2150 MHz) processor | Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 3000 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Adreno 530 GPU | Adreno 660 GPU |
| 8.91 | 9.72 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1,95 TB) external memory slot | No SD card slot |
| 14.66 | 10.1 |
| Camera | |
| 12.00 MP + 16.00 MP | 108.00 MP + 20.00 MP |
| f/1.80 aperture | f/1.90 aperture |
| -- | 24.00mm focal length |
| 0.43 inches (1/2.3") 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 (120 fps) (Full HD) slow motion video | 1920 x 1080 (480 fps) (Full HD) slow motion video |
| 9.9 | 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 | Nano SIM, Dual SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 3000mAh Battery | 4500mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 4.96 | 6.32 |
| Other Features | |
| Bluetooth 4.2 | 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 |
Comparison review
The Xiaomi Mi Mix 4 has a general score of 89, which is better than HTC U Ultra's 77 score. The Xiaomi Mi Mix 4 construction has the same thickness than HTC U Ultra, but it is way heavier. Xiaomi Mi Mix 4 features just a bit better performance than HTC U Ultra, because it has 4 more processing cores and a greater amount of RAM.
HTC U Ultra features a bit better looking screen than Xiaomi Mi Mix 4, because although it has a bit smaller screen, it also counts with a better 1440 x 2560 pixels resolution and a higher number of pixels per inch of display. Xiaomi Mi Mix 4 shoots a lot better pictures and videos than HTC U Ultra, because although it has a smaller aperture, it also counts with a way higher video quality, a camera in the back with a much higher 108 megapixels resolution and a much bigger sensor taking more light and vivid colors.
The HTC U Ultra features a much bigger memory to store more apps and games than Xiaomi Mi Mix 4, because although it has less internal memory, it also counts with an external SD slot that supports up to 1,95 TB. Xiaomi Mi Mix 4 has a much longer battery performance than HTC U Ultra, because it has a 50% more battery size.
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