- Dimensi: 144.6 x 69.7 x 9.61 mm, berat 157-gram
- Chipset: Qualcomm® Snapdragon™ 810, octa core, 64-bit, 4 x 2.0GHz + 4 x 1.5GHz
- Memory: ROM: 32GB / RAM: 3GB; bisa ditambah melalui microSD hingga 128 GB
- Sensor: Ambient light sensor, Proximity sensor, Accelerometer, Compass sensor, Gyro sensor, Magnetic sensor, Sensor Hub
- Kamera: Kamera utama 20MP dengan sapphire cover lens, auto-focus, BSI sensor, f/2.2, 27.8mm lens, 4K video recording; kamera depan HTC UltraPixel, BSI sensor, f/2.0, 26.8mm lens, 1080p video recording
- Desain casing: Dual-tone metal unibody
- Antar muka: HTC Sense Home, One Gallery, Photo Editor
- OS: Android 5.0 Lollipop dengan HTC Sense
- Mendukung Jaringan: 2G/2.5G - GSM/GPRS/EDGE: 850/900/1800/1900 MHz; 3G UMTS: 850/900/1900/2100 MHz; 4G LTE: FDD: Bands 1,3,5,7,8,20,28; TDD: Bands 38, 40, 41
- Konektivitas: NFC, Bluetooth® 4.1, Wi-Fi®: 802.11 a/b/g/n/ac (2.4 & 5 GHz), DLNA, HDMI MHL 3.0, CIR, 3.5 mm stereo audio jack, micro-USB 2.0 (5-pin) port
- Multimedia: Audio supported formats: Playback: .aac, .amr, .ogg, .m4a, .mid, .mp3, .wav, .wma, .flac; Recording: .aac; Video supported formats: Playback: .3gp, .3g2, .mp4, .wmv, .avi, .mkv; Recording: .mp4
- Layar: 5.0 inch, Full HD 1080p
- Ukuran SIM: nano SIM
- GPS: Internal GPS antenna + GLONASS
- Sound: HTC BoomSound dengan Dolby Audio
- Battery: 2840 mAh; klaim Talk time hingga 25.4 jam untuk 2G / 21.7 jam untuk 3G; Klaim waktu standby hingga 391 jam untuk 2G / 402 jam untuk 3G
MWC 2015: Utopia in Progress Keynote">HTC at MWC 2015: Utopia in Progress Keynote[youtube_embed id="cKz1Y-cSxbA"]
Spesifikasi HTC One M9[youtube_embed id="00Gm_D1ByGA"]
