HTC Desire 816 vs HTC One M8 vs HTC One M9s

General Info

Manufacturer
HTC	HTC	HTC
Announced
February 2014	March 2014	November 2015
Status
Available - March 2014	Available - March 2014	Available - November 2015
Price
-	-	Rs. 25,400 ($373.53) [Similarly Priced]
Colors
Red, Grey, Green, Cyan, White, Black	Glacial Silver, Gunmetal Gray, Amber Gold	Dazzling Gold
Form Factor
Candybar	Candybar	Candybar
Dimension
156.6 x 78.7 x 8 mm (6.17 x 3.1 x 0.31 in)	146.4 x 70.6 x 9.4 mm (5.76 x 2.78 x 0.37 in)	144.6 x 69.7 x 9.6 mm (5.69 x 2.74 x 0.38 in)
Weight
165 g (5.82 oz)	160 g (5.64 oz)	158 g (5.57 oz)
2G Network
GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
3G Network
HSDPA 850 / 900 / 2100	HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 1900 / 2100 HSDPA 850 / 1700 / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100
4G Network
LTE 800 / 900 / 1800 / 2600 - EMEA LTE 900 / 1800 / 2100 / 2600 - Asia	LTE 800 / 900 / 1800 / 2600 LTE 700 / 1700 / 2100 LTE 700 / 900 / 1800 / 2100 / 2600 LTE 700 / 850 / 1700 / 1800 / 1900 / 2100 / 2600	LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 40(2300), 41(2500) - EMEA
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, v4.4.2 (KitKat)	Android OS, v4.4.2 (KitKat)	Android OS, v5.1 (Lollipop)
Processor
Quad-core 1.6 GHz Cortex-A7, Qualcomm MSM8928 Snapdragon 400	Quad-core 2.3 GHz Krait 400, Qualcomm MSM8974AB Snapdragon 801	Octa-core 2.2 GHz Cortex-A53, Mediatek MT6795 Helio X10
GPU
Adreno 305	Adreno 330	PowerVR G6200
RAM
1.5 GB	2 GB	2 GB
Internal Memory
8 GB ROM	16/32 GB	16 GB
External Memory
microSD, up to 64 GB	microSD, up to 128 GB	microSD, up to 200 GB

Type
Capacitive Touchscreen	Super LCD3 Capacitive Touchscreen	Super LCD3 Capacitive Touchscreen, Corning Gorilla Glass 4
Colors
16M colors	16M colors	16M colors
Size
5.5 inches	5.0 inches	5.0 inches
Resolution
720 x 1280 pixels (267 ppi)	1080 x 1920 pixels (441 ppi)	1080 x 1920 pixels (441 ppi)
Screen-to-Body Ratio
67.67%	66.55%	68.25%
Multi-Touch

Rear Camera
13 MP, 4160 x 3120 pixels	Dual 4 MP, 2688х1520 pixels	13 MP, 4128 x 3096 pixels
Flash
LED flash	Dual-LED	Dual-LED Flash
Features
Auto focus, Geo-tagging, Touch Focus, Face Detection, Simultaneous HD Video And Image Recording, HDR	Auto focus, 1/3' Sensor Size, 2µm Pixel Size, Simultaneous HD Video And Image Recording, Geo-tagging, Face And Smile Detection	Autofocus, OIS, Geo-tagging, Touch Focus, Face/smile Detection, HDR, Panorama
Video
Yes, 720p	Yes, 1080p@30fps, 720p@60fps, HDR, Stereo Sound Rec., Video Stabilization	1080p@30fps
Front Camera
Yes, 5 MP, 720p	Yes, 5 MP, 1080p@30fps, HDR	4 MP, 1080p@30fps, HDR

GPRS
Yes	Yes	Yes
Edge
Yes	Yes	Yes
3G
HSDPA, HSUPA; LTE	HSDPA, 42 Mbps (21 Mbps - AT&T), HSUPA, 5.76 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL	HSPA, LTE
Bluetooth
Yes, v4.0 with A2DP	Yes, v4.0 with A2DP	v4.1, A2DP, apt-X
Wi-Fi
Wi-Fi 802.11 a/b/g/n, dual-band, DLNA, Wi-Fi Direct, 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/ac, dual-band, Wi-Fi Direct, hotspot
USB
Yes, microUSB v2.0	Yes, microUSB v2.0 (MHL), USB On-the-go, USB Host	microUSB v2.0
GPS
Yes, with A-GPS support	Yes, with A-GPS support and GLONASS	Yes, with A-GPS, GLONASS, BDS
Browser
HTML5	HTML5	HTML5