HTC One vs HTC One M8 vs HTC Desire 826

General Info

Manufacturer
HTC	HTC	HTC
Announced
February 2013	March 2014	January 2015
Status
Released - March 2013	Available - March 2014	Coming Soon - Q1 2015
Price
-	-	Rs. 16,999 ($249.99) [Similarly Priced]
Colors
Black, White	Glacial Silver, Gunmetal Gray, Amber Gold	Various
Form Factor
Candybar	Candybar	Candybar
Dimension
137.4 x 68.2 x 9.3 mm (5.41 x 2.69 x 0.37 in)	146.4 x 70.6 x 9.4 mm (5.76 x 2.78 x 0.37 in)	-
Weight
143 g (5.04 oz)	160 g (5.64 oz)	-
2G Network
GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
3G Network
HSDPA 850 / 2100 HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 1900 / 2100 HSDPA 850 / 1700 / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100 - EMEA version HSDPA 900 / 2100 - Asia version
4G Network
LTE (market dependent)	LTE 800 / 900 / 1800 / 2600 LTE 700 / 1700 / 2100 LTE 700 / 900 / 1800 / 2100 / 2600 LTE 700 / 850 / 1700 / 1800 / 1900 / 2100 / 2600	LTE 900 / 1800 / 2100 / 2600 - EMEA version
Messaging
SMS, MMS, Push Mail, EMail	SMS, MMS, Push Mail, EMail	SMS, MMS, Push Mail, EMail
Build Features
-	Corning Gorilla Glass 3	-

OS
Android OS, v4.1.2 (Jelly Bean), upgradable to v4.2.2 (Jelly Bean)	Android OS, v4.4.2 (KitKat)	Android OS, v5.0.1 (Lollipop)
Processor
Quad-core 1.7 GHz Krait, Qualcomm APQ8064 Snapdragon	Quad-core 2.3 GHz Krait 400, Qualcomm MSM8974AB Snapdragon 801	Quad-core 1.7 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615
GPU
Adreno 320	Adreno 330	Adreno 405
RAM
2 GB	2 GB	2 GB
Internal Memory
32/64 GB	16/32 GB	16 GB
External Memory
microSD, up to 32 GB	microSD, up to 128 GB	microSD, up to 128 GB

Type
Super LCD3 capacitive touchscreen	Super LCD3 Capacitive Touchscreen	Capacitive touchscreen
Colors
16M colors	16M colors	16M colors
Size
4.7 inches	5.0 inches	5.5 inches
Resolution
1080 x 1920 pixels (469 ppi)	1080 x 1920 pixels (441 ppi)	1080 x 1920 pixels (401 ppi)
Screen-to-Body Ratio
64.90%	66.55%	-
Multi-Touch

Rear Camera
4 MP UltraPixels, 2688 x 1520 pixels	Dual 4 MP, 2688х1520 pixels	13 MP, 4160 x 3120 pixels
Flash
LED flash	Dual-LED	LED flash
Features
Auto focus, 1/3' sensor size, simultaneous HD video and image recording, geo-tagging, face and smile detection, OIS	Auto focus, 1/3' Sensor Size, 2µm Pixel Size, Simultaneous HD Video And Image Recording, Geo-tagging, Face And Smile Detection	Auto focus, Geo-tagging, Touch Focus, Face Detection, Simultaneous HD Video And Image Recording, HDR
Video
Yes, 1080p@30fps, stereo sound recording, video stabilization	Yes, 1080p@30fps, 720p@60fps, HDR, Stereo Sound Rec., Video Stabilization	1080p@30fps, 720p@60fps
Front Camera
Yes, 2.1 MP, 1080p@30fps, HDR	Yes, 5 MP, 1080p@30fps, HDR	4 MP, 1080p (1/3' sensor size, 2�m pixel

GPRS
Yes	Yes	Yes
Edge
Yes	Yes	Yes
3G
HSPA+; LTE, Cat3, 50 Mbps UL, 100 Mbps DL	HSDPA, 42 Mbps (21 Mbps - AT&T), HSUPA, 5.76 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL	HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth
Yes, v4.0 with A2DP	Yes, v4.0 with A2DP	v4.0, A2DP, apt-X
Wi-Fi
Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, DLNA, Wi-Fi hotspot	Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, DLNA, Wi-Fi hotspot	Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot
USB
Yes, microUSB v2.0 (MHL)	Yes, microUSB v2.0 (MHL), USB On-the-go, USB Host	microUSB v2.0
GPS
Yes, with A-GPS support and GLONASS	Yes, with A-GPS support and GLONASS	Yes, with A-GPS, GLONASS
Browser
HTML5	HTML5	HTML5