Compare phones
| Global Score | |
| 74.5 | 77 |
| Basic Information | |
| Asus | HTC |
| Android 9.0 Pie, 8.0 Oreo | -- |
| 2018-05-01 | 2017-02-21 |
| 6.02 x 2.98 x 0.30 inches | 6.39 x 3.14 x 0.31 inches |
| 5.82 ounces | 6.00 ounces |
| Blue and Silver | 16 777 216 |
| Aluminum and Glass | Aluminum and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 749.00 |
| Display / Screen | |
| 6.2 inches | 5.7 inches |
| 2246 x 1080 pixels | 2560 x 1440 pixels (Quad HD / 2K) |
| Super IPS+ LCD | S-LCD 5 |
| 402 pixels per inch | 515 pixels per inch |
| 550 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.5 | 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 |
| 6 GB RAM | 4 GB RAM |
| Adreno 509 GPU | Adreno 530 GPU |
| 9 | 8.91 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 1,95 TB) external memory slot | microSDXC (up to 1,95 TB) external memory slot |
| 14.66 | 14.66 |
| Camera | |
| 12.00 MP + 8.00 MP | 12.00 MP + 16.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 24.00mm focal length | -- |
| 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 (240 fps) (HD) slow motion video | 1920 x 1080 (120 fps) (Full HD) slow motion video |
| 9.79 | 9.9 |
| 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 HSUPA |
| Nano SIM | Nano SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3300mAh Li - Ion Battery | 3000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 4.96 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.2 |
| GPS | GPS |
| NFC | NFC |
| 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 has an overall score of 77, which is just a bit better than Asus ZenFone 5 (ZE620KL)'s overall score of 74.5. Although it's the best in this comparison review, HTC U Ultra's design is older, a bit thicker and just a little heavier than the Asus ZenFone 5 (ZE620KL). The Asus ZenFone 5 (ZE620KL) counts with a bit better processing power than HTC U Ultra, because it has a greater amount of RAM memory and a higher number of cores (although they are slower).
The Asus ZenFone 5 (ZE620KL) and the HTC U Ultra have very similar screens, because although the HTC U Ultra has a little smaller screen, it also counts with a higher 1440 x 2560 resolution and a better pixels density. HTC U Ultra has as much memory to install applications and games as Asus ZenFone 5 (ZE620KL), they have exactly the same internal memory and a slot for an SD memory card that holds a maximum of 1,95 TB.
HTC U Ultra features a little bit better camera than Asus ZenFone 5 (ZE620KL), and although they both have a camera with a 12 MP, the same video frame rate, a same size aperture and the same (4K) video resolution, the HTC U Ultra also has a larger back-facing camera sensor shooting higher quality photographs.
The Asus ZenFone 5 (ZE620KL) features just a little bit longer battery duration than HTC U Ultra, because it has a 10 percent bigger battery size.
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