http://www.htc.com/www/smartphones/htc-one-m8/
Size
146.36 x 70.6 x 9.35 mm
CPU Speed
Qualcomm® Snapdragon? 801, quad-core CPUs
Memory1
Total storage: 16GB/32GB, available capacity varies
RAM: 2GB
Expansion card slot supports microSD? memory card for up to 128GB additional storage (card not included)
Sensors
Accelerometer
Proximity sensor
Ambient light sensor
Gyro sensor
Barometer sensor
Camera
Duo camera
Primary camera: HTC UltraPixel? camera , BSI sensor, pixel size 2.0 um, sensor size 1/3?, f/2.0, 28mm lens
HTC ImageChip 2. 1080p Full HD video recording with HDR video
Secondary camera: capture depth information
Front camera
5MP, BSI sensor, wide angle lens. with HDR capability, 1080p Full HD video recording
Gallery with UFocus?, Dimension Plus?, Seasons, Foregrounder, Image match
AC Adapter
Voltage range/frequency: 100 ~ 240 V AC, 50/60 Hz
DC output: 5 V and 1.5 A
Weight
160g
Platform Android
Android? with HTC Sense?
HTC BlinkFeed?
Network2
2G/2.5G - GSM/GPRS/EDGE:
850/900/1800/1900 MHz
3G - WCDMA:
EMEA: 850/900/1900/2100 MHz with HSPA+ up to 42 Mbps
Asia: 850/900/1900/2100 MHz with HSPA+ up to 42 Mbps
AT&T: 850/1900/2100 MHz with HSPA+ up to 21 Mbps
Sprint: 850/1900/2100 MHz with HSPA up to 14.4 Mbps
Verizon: 850/900/1900/2100 MHz with HSPA+ up to 14.4 Mbps
TMUS: 850/AWS/1900/2100 MHz with HSPA+ up to 42 Mbps
CDMA:
Sprint: 800/1900
Verizon: 800/1900
4G - LTE:
EMEA: 800/900/1800/2600 MHz
Asia: 700/900/1800/2100/2600 MHz
AT&T: 700/850/AWS/1800/1900/2600 MHz
Sprint: FDD 800/1900 MHz , TDD 2600 MHz
Verizon: 700/AWS/1800/2600 MHz
TMUS: 700/AWS MHz
Connectivity
3.5 mm stereo audio jack
NFC
Bluetooth® 4.0 with aptX? enabled
Wi-Fi®: IEEE 802.11 a/b/g/n/ac (2.4 & 5 GHz)
DLNA® for wirelessly streaming media from the phone to a compatible TV or computer
HTC Connect?
micro-USB 2.0 (5-pin) port with mobile high-definition video link (MHL) for USB or HDMI connection (Special cable required for HDMI connection.)
Support consumer infrared remote control
Multimedia
Audio supported formats:
Playback: .aac, .amr, .ogg, .m4a, .mid, .mp3, .wav, .wma (Windows Media Audio 10)
Recording: .aac
Video supported formats:
Playback:.3gp, .3g2, .mp4, .wmv (Windows Media Video 10), .avi (MP4 ASP and MP3)
Recording: .mp4
Display
5.0 inch, Full HD 1080p
SIM Card Type
nano SIM
GPS
Internal GPS antenna + GLONASS
Digital Compass
Sound Enhancement
HTC BoomSound?
Dual frontal stereo speakers with built-in amplifiers
Sense Voice
Battery3
Embedded rechargeable Li-polymer battery
Capacity: 2600 mAh
Talk time:
Up to 20 hours for 3G
Standby time:
Up to 496 hours for 3G