HTC ONE M8 Dual Sim vs HTC ONE E8 vs HTC Desire 825 Dual SIM

BASIC INFO
Model No - HTC One (E8) Ace, HTC ONE (E8) dual sim HTC Desire 825 Dual SIM with dual-SIM card slots
Status Available. Released 2014, July Available. Released 2014, June Coming soon
Release Date 2014, June 2014, June Exp. release 2016, March
Dimension 146.4 x 70.6 x 9.4 mm (5.76 x 2.78 x 0.37 in) 146.4 x 70.7 x 9.9 mm (5.76 x 2.78 x 0.39 in) 156.9 x 76.9 x 7.4 mm (6.18 x 3.03 x 0.29 in)
Weight 160 g (5.64 oz) 145 g (5.11 oz) 155 g (5.47 oz)
Colors Gunmetal Gray, Glacial Silver, Amber Gold White, red, black Various
Body Metrial - - -
W & D Proof - - -
SIM Type Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Technology GSM / HSPA / LTE GSM / HSPA / LTE GSM / HSPA / LTE
OS Android OS, v4.4.2 (KitKat) Android OS, v4.4.2 (KitKat) Android OS, v6.0 (Marshmallow)
PROSESSING
Processor Quad-core 2.3 GHz Quad-core 2.5 GHz Krait 400 Quad-core 1.6 GHz Cortex-A7
Chipset Qualcomm Snapdragon 801 Qualcomm MSM8975AC Snapdragon 801 Qualcomm Snapdragon 400
GPU Adreno 330 Adreno 330 Adreno 305
MEMORY
RAM 2GB 2GB 2GB
Storage 16GB 16GB 16GB
Card Slot up to 128 GB (dedicated slot) up to 128 GB (dedicated slot) up to 200 GB (dedicated slot)
DISPLAY
Size 5.0 inches 5.0 inches 5.5 inches
Type Super LCD3 capacitive touchscreen, 16M colors Super LCD3 capacitive touchscreen, 16M colors Super LCD capacitive touchscreen, 16M colors
Resolation 1080 x 1920 pixels 1080 x 1920 pixels 720 x 1280 pixels
PPI 441 ppi pixel density 441 ppi pixel density 344 ppi pixel density
Multi touch Yes Yes Yes
Protection Corning Gorilla Glass 3, HTC Sense UI 6.0 Corning Gorilla Glass 3, HTC Sense UI 7.0 Corning Gorilla Glass (unspecified version)
CAMERA
Primary Dual 4 MP, autofocus 13 MP, f/2.2, autofocus 13 MP, 4160 x 3120 pixels, autofocus, optical image stabilization
Video Yes, 1080p@30fps, 720p@60fps, HDR, stereo sound rec., video stabilization Yes, 1080p@30fps, 720p@60fps, HDR, stereo sound rec., video stabilization 1080p@30fps, 720p@60fps, HDR, stereo sound
Flash Led flash Led flash LED flash
Features 1/3 Inches sensor size, 2µm pixel size, geo-tagging, face/smile detection, HDR, panorama Geo-tagging, touch focus, face detection, panorama, HDR Geo-tagging, touch focus, face detection, HDR, panorama
Selfie 5 MP, 1080p@30fps, HDR 5 MP, 1080p 5 MP, 1080p (1/3 inches sensor size, 2µm pixel size)
BATTERY
Battery Li-Po Li-Po Li-Ion
Capacity 2600 mAh 2600 mAh 2700 mAh
Removable Non-removable Non-removable Yes
StandBy - Up to 504 h (3G) -
Talk Time - Up to 26 h 40 min (3G) -
Music Play - - -
Browsing - - -
Video Playback - - -
F Charging - - -
W Charging - - -
NETWORK
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 1900 / 2100 - for India, Hong Kong
HSDPA 850 / 900 / 2100 - SEA
TD-SCDMA - Hong Kong
HSDPA 850 / 900 / 1900 / 2100
4G Network LTE LTE band 1(2100), 3(1800), 7(2600), 8(900), 28(700) - SEA
LTE band 1(2100), 3(1800), 41(2500) - India
LTE band 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) - Hong Kong
LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 28(700), 40(2300)
Speed HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA, LTE Cat4 150/50 Mbps
5G - - -
CONECTIVY
WALAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot Wi-Fi 802.11 b/g/n, hotspot
BlueTooth v4.0, A2DP, apt-X v4.0, A2DP, apt-X v4.1, A2DP
USB microUSB v2.0 (MHL TV-out), USB Host microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS
NFC Yes (market/operator dependent) Yes -
Audio jeck Yes, 3.5mm Yes, 3.5mm -
OTHERS
Sensors Accelerometer, gyro, proximity, compass, barometer Accelerometer, gyro, proximity, compass, barometer Accelerometer, proximity, compass
Radio Stereo FM radio with RDS To be confirmed TBD
SARUS - 0.76 W/kg (head) 0.32 W/kg (body) -
SAREU - - -
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