| Hardware and OS | HTC U23 | |
| Operating system | Android 13 | |
| Processor | Octa core (2.4 GHz, Single core, Cortex A710, 2.36 GHz, Tri core, Cortex A710, 1.8 GHz, Cortex A510) | |
| GPU | Adreno 644 | |
| RAM | 8 GB, 12 GB | |
| Internal Storage | 256 GB | |
| User Interface | Yes | |
| Display | HTC U23 | other phones |
| Type | OLED | |
| Size | 6.7 inches | |
| Resolution | 1080 x 2400 pixels | |
| Colors | 16M | |
| Pixel Density | ~393 ppi density | |
| Touchscreen | Yes | |
| Protection | Corning Gorilla Glass Victus | |
| Features | 120Hz | |
| Connectivity | HTC U23 | other phones |
| 4G Network | TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39) | |
| 5G Network | FDD N1 / N3 / N7 / N20 / N28 | |
| Wi-Fi | Yes, Wi-Fi 6 (802.11 a/b/g/n/ac/ax) 5GHz | |
| GPS | Yes | |
| NFC | Yes | |
| USB | Type-C 2.0 | |
| SIM | Nano SIM | |
| Dual SIM | Yes | |
| Wireless Charging | No | |
| Camera | HTC U23 | other phones |
| Main camera | 64 MP (wide), 8 MP (ultrawide), 2 MP (depth) | |
| Features | LED Flash | |
| Image | 9000 x 7000 Pixels | |
| Selfie camera | 32 MP (wide) | |
| Multimedia | HTC U23 | other phones |
| Loudspeaker | Yes | |
| Handsfree | Yes | |
| Radio | No | |
| Video Playback | Yes | |
| Video Out | Yes | |
| Ring Tones | Yes | |
| 3.5 mm Jack | Yes | |
| Design | HTC U23 | other phones |
| Dimensions | 166.6 x 77.1 x 8.8 mm | |
| Waterproof | IP67 | |
| Weight | 202 g | |
| Battery | HTC U23 | other phones |
| Capacity | Li-Po 4600 mAh, Fast 30W | |
| Placement | Non-removable | |
| Other | HTC U23 | other phones |
| Sensors | Side-mounted fingerprint, accelerometer, gyro, proximity, compass, | |
