Compare phones
| Global Score | |
| 72.6 | 77 |
| Basic Information | |
| Asus | HTC |
| Android 12 | -- |
| 2022-07-28 | 2017-02-21 |
| 5.77 x 2.68 x 0.36 inches | 6.39 x 3.14 x 0.31 inches |
| 5.96 ounces | 6.00 ounces |
| -- | 16 777 216 |
| -- | Aluminum and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 749.00 |
| Display / Screen | |
| 5.9 inches | 5.7 inches |
| 2400 x 1080 pixels | 2560 x 1440 pixels (Quad HD / 2K) |
| Super AMOLED | S-LCD 5 |
| 446 pixels per inch | 515 pixels per inch |
| No touch screen | No touch screen |
| 7.7 | 8.5 |
| Performance | |
| Qualcomm Snapdragon 8+ Gen1 SM8475 (4 nm) chipset | Qualcomm Snapdragon 821 MSM8996 Pro-AB chipset |
| processor | Kryo, 64-bit (Quad-Core 2150 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 730 GPU | Adreno 530 GPU |
| 6.21 | 8.91 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 1,95 TB) external memory slot |
| 10.1 | 14.66 |
| Camera | |
| 50.00 MP + 12.00 MP | 12.00 MP + 16.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 14.40mm focal length | -- |
| 0.64 inches (1/1.56") sensor | 0.43 inches (1/2.3") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1920 x 1080 (120 fps) (Full HD) slow motion video |
| 12.43 | 9.9 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 4300mAh Battery | 3000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.16 | 4.96 |
| Other Features | |
| Bluetooth 5.2 | 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 a general score of 77, which is slightly better than Asus Zenfone 9's 72.6 general score. Even though HTC U Ultra is way older and just a little bit heavier than Asus Zenfone 9, it's construction is still thinner. HTC U Ultra features a much better performing processor than Asus Zenfone 9, although it has lesser RAM memory and 4 less processing cores (although they are faster).
HTC U Ultra has a more vivid screen than Asus Zenfone 9, because although it has a quite smaller screen, it also counts with a bit more pixels per inch of display and a higher resolution of 1440 x 2560 pixels. The Asus Zenfone 9 shoots much clearer photographs and videos than HTC U Ultra, because although it has a tinier diafragm aperture which is not recommended for capturing pictures in low light environments, it also counts with a much bigger sensor shooting lot better quality photos, a much better 7680x4320 video quality and a back-facing camera with much more megapixels.
The HTC U Ultra features a much better memory capacity to install games and applications than Asus Zenfone 9, because although it has only 64 GB internal storage, it also counts with a slot for an SD memory card that supports a maximum of 1,95 TB. Asus Zenfone 9 features a really longer battery performance than HTC U Ultra, because it has a 43 percent greater battery size.
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