On this page we compare specs HTC U21 Qualcomm SDM765 Snapdragon 765G (7 nm) with HTC One M9 plus Octa-core 2.2 GHz Cortex-A53, we compare external dimensions, compare screens and performance, the amount of RAM and memory for storing media data, battery capacity and characteristics of photo cameras, compare the presence of various sensors and functions.
| Hardware and OS | HTC U21 | HTC One M9 plus |
|---|
| Operating system | Android v10 (Q) | Android 5.2 (Lollipop), upgradable to 6 (Marshmallow); Sense UI 7 |
| Processor | Qualcomm SDM765 Snapdragon 765G (7 nm) | Octa-core 2.2 GHz Cortex-A53 |
| RAM | 8 GB | |
| Chipset | | Mediatek MT6795T Helio X10 (28 nm) |
| GPU | | PowerVR G6200 |
| Internal Storage | 256 GB | |
| Internal memory | | 32 GB, 3 GB RAM |
| External memory | | microSD, up to 256 GB (dedicated slot) |
| Display | HTC U21 | HTC One M9 plus |
|---|
| Type | IPS LCD | Super LCD3 |
| Size | 6.8 inches | 5.2" inc |
| Resolution | 1080 x 2400 Pixels | 1440 x 2560 px |
| Touchscreen | Yes, Capacitive Touchscreen, Multi-touch | capacitive touchscreen |
| Screen-to-Body Ratio | | 68.6% |
| Display area | | 74.5 cm2 |
| Display aspect ratio | | 16:9 (height:width) |
| Pixel Density | 378 ppi | 565 PPI |
| Colors | | 16M |
| Connectivity | HTC U21 | HTC One M9 plus |
|---|
| Network support | 5G , 4G , 3G, 2G | |
| Dual SIM | Dual SIM, GSM GSM | |
| SIM size | SIM1: Nano, SIM2: Nano | |
| 2G Network | | GSM 850 / 900 / 1800 / 1900 |
| USB connectivity | Mass storage device, USB charging | |
| 3G Network | | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) |
| Wi-Fi | Yes, Wi-Fi 802.11, ac/b/g/n/n 5GHz | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot |
| Network | | GSM / HSPA / LTE |
| SIM card | | Nano-SIM |
| Bluetooth | Yes, v5.0 | 4.1, A2DP, aptX |
| Edge | | Yes |
| GPRS | | Yes |
| GPS | Yes, with A-GPS, Glonass | Yes, with A-GPS, GLONASS, BDS |
| NFC | Yes | Yes (market/operator dependent) |
| Speed | | HSPA 42.2/21.1 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
| USB | | microUSB 2.0 (MHL 2 TV-out), USB Host |
| Camera | HTC U21 | HTC One M9 plus |
|---|
| Front camera resolution | 32 MP, f/2.0, (wide), 1/2.8", 0.8µm) | |
| Camera features | Digital Zoom, Auto Flash, Face detection, Touch to focus | |
| Flash | Yes, LED Flash | |
| Autofocus | Yes | |
| Video recording | Yes | |
| Main camera | | 20 MP, Dual |
| Specs | | 20 MP, f/2.2, 28mm (wide), 1/2.4', 1.2µm
-2.1 MP, AF |
| Features | | Dual-LED dual-tone flash, HDR, panorama |
| Video | | 2160p@30fps, 1080p@60fps, 720p@120fps, HDR, stereo sound rec. |
| Selfie camera | | 4 MP, Single |
| Multimedia | HTC U21 | HTC One M9 plus |
|---|
| Audio jack | 3.5 MM | |
| Loudspeaker | Yes | |
| 3.5 mm Jack | | Yes |
| Radio | | Stereo FM radio, RDS |
| Design | HTC U21 | HTC One M9 plus |
|---|
| Colours | Green, White | |
| Colors | | Gunmetal Gray, Silver Gold, Amber Gold |
| Dimensions | | 151 x 72 x 9.6 mm |
| Weight | | 168 g |
| Battery | HTC U21 | HTC One M9 plus |
|---|
| Capacity | 5000 mAh | |
| Type | Lithium Polymer | |
| Battery capacity | | 2840 mAh, Non-removable Li-Po |
| Battery life | | Stand by time- Up to 598 h (2G) / Up to 626 h (3G)
Talking time- Up to 23 h (2G) / Up to 13 h (3G)
|
| Other | HTC U21 | HTC One M9 plus |
|---|
| Fingerprint sensor | Yes | |
| Fingerprint sensor position | Rear | |
| Other sensors | Accelerometer, Gyro, Proximity, Compass, SAR | |
| Release date | | 2015, April |
| Sensors | | Fingerprint (front-mounted), accelerometer, gyro, proximity, compass , Infrared port |
