| Hardware and OS | HTC One M8 | |
| Operating system | Android 4.4.2 (KitKat), upgradable to 6.0 (Marshmallow); Sense UI 6 | |
| Processor | Quad-core 2.3 GHz (US/EMEA)/ 2.5 GHz (Asia, China) Krait 400 | |
| Chipset | Qualcomm MSM8974AB Snapdragon 801 (28 nm) | |
| GPU | Adreno 330 | |
| Internal memory | 16/32 GB, 2 GB RAM | |
| External memory | microSD, up to 256 GB (dedicated slot) | |
| Display | HTC One M8 | other phones |
| Type | Super LCD3 | |
| Size | 5" inc | |
| Resolution | 1080 x 1920 px | |
| Protection | Corning Gorilla Glass 3 | |
| Touchscreen | capacitive touchscreen | |
| Screen-to-Body Ratio | 66.7% | |
| Display area | 68.9 cm2 | |
| Display aspect ratio | 16:9 (height:width) | |
| Pixel Density | 441 PPI | |
| Colors | 16M | |
| Connectivity | HTC One M8 | other phones |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | |
| 4G Network | LTE band 3(1800), 7(2600), 8(900), 20(800) | |
| Wi-Fi | 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 | 4.0, A2DP, aptX | |
| Edge | Yes | |
| GPRS | Yes | |
| GPS | Yes, with A-GPS, GLONASS | |
| NFC | Yes (market/operator dependent) | |
| Speed | HSPA 42.2/21.1(AT&T)/5.76 Mbps, LTE Cat4 150/50 Mbps | |
| USB | microUSB 2.0 (MHL TV-out), USB Host | |
| Camera | HTC One M8 | other phones |
| Main camera | 4 MP, Single | |
| Specs | 4 MP, f/2.0, 27mm (wide), 1/3', 2µm, AF
-4 MP, depth sensor | |
| Features | HDR, panorama, dual-LED dual-tone flash | |
| Video | 1080p@60fps, 720p@120fps, HDR, stereo sound rec. | |
| Selfie camera | 5 MP, Single | |
| Multimedia | HTC One M8 | other phones |
| 3.5 mm Jack | Yes | |
| Radio | Stereo FM radio, RDS | |
| Design | HTC One M8 | other phones |
| Colors | Gunmetal Gray, Glacial Silver, Amber Gold | |
| Body build | Aluminum body | |
| Dimensions | 146.4 x 70.6 x 9.4 mm | |
| Weight | 160 g | |
| Battery | HTC One M8 | other phones |
| Battery capacity | 2600 mAh, Non-removable Li-Po | |
| Battery life | Stand by time- Up to 271 h (2G) / Up to 496 h (3G)
Talking time- Up to 14 h (2G) / Up to 20 h (3G)
| |
| Other | HTC One M8 | other phones |
| SAR | SAR EU - 0.42 W/kg (head), 0.22 W/kg (body) | |
| Release date | 2014, March | |
| Sensors | Accelerometer, gyro, proximity, compass, barometer , Infrared port | |
