Compare phones
| Global Score | |
| 77 | 76.7 |
| Basic Information | |
| HTC | Xiaomi |
| -- | Android 11 |
| 2017-02-21 | 2021-05-27 |
| 6.39 x 3.14 x 0.31 inches | 6.23 x 2.96 x 0.33 inches |
| 6.00 ounces | 6.70 ounces |
| 16 777 216 | Moonlight White, Neptune Blue and Space Black, |
| Aluminum and Glass | Glass and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 749.00 | -- |
| Display / Screen | |
| 5.7 inches | 6.3 inches |
| 2560 x 1440 pixels (Quad HD / 2K) | 2340 x 1080 pixels |
| S-LCD 5 | IPS LCD |
| 515 pixels per inch | 409 pixels per inch |
| No touch screen | No touch screen |
| 8.5 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 821 MSM8996 Pro-AB chipset | MediaTek Helio G85 MT6769Z chipset |
| Kryo, 64-bit (Quad-Core 2150 MHz) processor | Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Adreno 530 GPU | Mali G52 MC2 GPU |
| 8.91 | 9.09 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 1,95 TB) external memory slot | microSDXC (up to 128 GB) external memory slot |
| 14.66 | 10.02 |
| Camera | |
| 12.00 MP + 16.00 MP | 48.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 0.43 inches (1/2.3") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (120 fps) (Full HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 9.9 | 11 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSPA |
| Nano SIM | Nano SIM |
| 6.7 | 6.6 |
| Battery Life | |
| 3000mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.96 | 5.92 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.2 |
| 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 |
Comparison review
The HTC U Ultra is a bit better than the Xiaomi Redmi Note 8 2021, getting a overall score of 77 against 76.7. HTC U Ultra's design is lighter and just a little bit thinner than Xiaomi Redmi Note 8 2021, despite of the fact that it was released 4 years before. The Xiaomi Redmi Note 8 2021 has a bit better processing power than HTC U Ultra, and although they both have a 4 GB RAM, the Xiaomi Redmi Note 8 2021 also has more CPU cores.
HTC U Ultra counts with just a bit better looking screen than Xiaomi Redmi Note 8 2021, because although it has a little smaller display, it also counts with more pixels per display inch and a better 1440 x 2560 resolution. HTC U Ultra has a much greater memory capacity for applications, games, photos and videos than Xiaomi Redmi Note 8 2021, and although they both have equal internal memory capacity, the HTC U Ultra also has a SD memory card expansion slot that admits a maximum of 1,95 TB.
The Xiaomi Redmi Note 8 2021 has longer battery performance than HTC U Ultra, because it has a 4000mAh battery capacity. The Xiaomi Redmi Note 8 2021 captures much better videos and photos than HTC U Ultra, and although they both have the same camera aperture, the same 1920x1080 video resolution and the same video frame rate, the Xiaomi Redmi Note 8 2021 also has a bigger camera sensor capturing higher quality videos and photos and a much higher 48 mega pixels resolution back facing camera.
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