Compare phones
| Global Score | |
| 74.9 | 77 |
| Basic Information | |
| Xiaomi | HTC |
| Android 8.1 Oreo | -- |
| 2018-07-19 | 2017-02-21 |
| 6.94 x 3.44 x 0.31 inches | 6.39 x 3.14 x 0.31 inches |
| 7.80 ounces | 6.00 ounces |
| 16 777 216 | 16 777 216 |
| Aluminum | Aluminum and Glass |
| -- | Scratch-Resistant Glass |
| -- | $ 749.00 |
| Display / Screen | |
| 6.9 inches | 5.7 inches |
| 2160 x 1080 pixels | 2560 x 1440 pixels (Quad HD / 2K) |
| IPS LCD | S-LCD 5 |
| 350 pixels per inch | 515 pixels per inch |
| No touch screen | No touch screen |
| 7.7 | 8.5 |
| Performance | |
| Qualcomm Snapdragon 636 SDM636 chipset | Qualcomm Snapdragon 821 MSM8996 Pro-AB chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | Kryo, 64-bit (Quad-Core 2150 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Adreno 509 GPU | Adreno 530 GPU |
| 8.91 | 8.91 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 1,95 TB) external memory slot |
| 10.78 | 14.66 |
| Camera | |
| 12.00 MP + 8.00 MP | 12.00 MP + 16.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 0.39 inches (1/2.55") sensor | 0.43 inches (1/2.3") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1920 x 1080 (120 fps) (Full HD) slow motion video |
| 9.68 | 9.9 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.3 | 6.7 |
| Battery Life | |
| 5500mAh Li - Polymer Battery | 3000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.2 | 4.96 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.2 |
| GPS | GPS |
| -- | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
HTC U Ultra is a little bit better than the Xiaomi Mi Max 3, having a 77 score against 74.9. HTC U Ultra's design has the same thickness than Xiaomi Mi Max 3, but it is noticeably lighter. The HTC U Ultra features a sharper display than Xiaomi Mi Max 3, because although it has a quite smaller screen, it also counts with a greater count of pixels per screen inch and a higher 1440 x 2560 resolution.
HTC U Ultra has a superior storage capacity to store more apps and games than Xiaomi Mi Max 3, and although they both have equal 64 GB internal storage capacity, the HTC U Ultra also has a SD extension slot that admits up to 1,95 TB. HTC U Ultra's processing unit is very similar to the Xiaomi Mi Max 3 one, and although the HTC U Ultra has 4 less processing cores , they both have a 4 GB RAM.
Xiaomi Mi Max 3 has a very superior battery lifetime than HTC U Ultra, because it has 5500mAh of battery capacity. HTC U Ultra features a bit better camera than Xiaomi Mi Max 3, and although they both have the same 3840x2160 video resolution, the same resolution back facing camera and the same video frame rates, the HTC U Ultra also has a larger diafragm aperture for better low light photos and videos and a larger camera sensor capturing higher quality photographs.
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