HTC One M8 Eye vs HTC Desire 728 Dual Sim vs HTC Desire 828 dual sim

General Info

Manufacturer
HTC	HTC	HTC
Announced
October 2014	June 2015	November 2015
Status
Available - November 2014	Coming Soon - June 2015	Coming Soon - November 2015
Price
Rs. 18,999 ($279.40) [Similarly Priced]	Rs. 12,999 ($191.16) [Similarly Priced]	Rs. 16,445 ($241.84) [Similarly Priced]
Colors
Gunmetal Gray, Glacial Silver, Amber Gold	Gray, White, Blue, Pink	White
Form Factor
Candybar	Candybar	Candybar
Dimension
146.4 x 70.6 x 9.4 mm (5.76 x 2.78 x 0.37 in)	157.9 x 77.8 x 7.87 mm (6.22 x 3.06 x 0.31 in)	157.7 x 78.9 x 7.9 mm (6.21 x 3.11 x 0.31 in)
Weight
157 g (5.54 oz)	153 g (5.4 oz)	-
2G Network
GSM 850 / 900 / 1800 / 1900 - All Versions	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 TD-SCDMA
3G Network
HSDPA 850 / 900 / 1900 / 2100 - Asia HSDPA 850 / 1700 / 1900 / 2100 - AT&T HSDPA 850 / 900 / 2100 - EMEA TD-SCDMA 1900 / 2100 - Asia	HSDPA 900 / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100
4G Network
LTE 700 / 900 / 1800 / 2100 / 2600 (Bands 1, 3, 7, 8, 28) TD-LTE 1900 / 2300 / 2500 / 2600 (Bands 38, 39, 40, 41) LTE 700 / 850 / 1700 / 1900 / 2100 (Bands 2, 4, 5, 17, 29) - AT&T LTE 800 / 900 / 1800 / 2600 (Bands 3, 7, 8, 20) - EMEA	LTE	LTE
Messaging
SMS, MMS, Push Mail, EMail	SMS, MMS, EMail, IM	SMS, MMS, Push Mail, EMail
Build Features
IPX7 certified - Dust Proof and Water Resistant up to 1 Meter and 30 Minutes	-	-

OS
Android OS, v4.4.4 (KitKat)	Android OS, v5.1 (Lollipop)	Android OS, v5.1 (Lollipop)
Processor
-,	Octa-core 1.3 GHz Cortex-A53, Mediatek MT6753	Octa-core 1.5 GHz Cortex-A53, Mediatek MT6753
GPU
-	Mali-T720MP3	Mali-T720MP3
RAM
2 GB	2 GB	2 GB
Internal Memory
16/32 GB	16 GB	16 GB
External Memory
microSD, up to 128 GB	microSD, up to 128 GB	microSD, up to 200 GB

Type
Super LCD3 Capacitive Touchscreen, Corning Gorilla Glass 3	Super LCD2 Capacitive Touchscreen	Capacitive touchscreen
Colors
16M colors	16M colors	16M colors
Size
5.0 inches	5.5 inches	5.5 inches
Resolution
1080 x 1920 pixels (441 ppi)	720 x 1280 pixels (267 ppi)	1080 x 1920 pixels (401 ppi)
Screen-to-Body Ratio
66.55%	67.89%	66.86%
Multi-Touch

Rear Camera
Dual 13 MP, 4128 x 3096 pixels	13 MP, 4208 x 3120 pixels	13 MP, 4160 x 3120 pixels
Flash
Dual-LED (dual tone)	LED Flash	optical image stabil
Features
Auto focus, Automatic simultaneous video and image recording, geo-tagging, face/smile detection, HDR, panorama	Auto focus, BSI Sensor, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama	Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama
Video
1080p@60fps, 720p@120fps, HDR, stereo sound rec.	1080p@30fps	1080p@30fps
Front Camera
5 MP, 1080p@30fps, HDR	5 MP, 1080p, BSI Sensor	4 MP, 1080p (1/3' sensor size, 2�m pixel

GPRS
Yes	Yes	Yes
Edge
Yes	Yes	Yes
3G
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	HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth
v4.0, A2DP	v4.0, A2DP, LE	Yes
Wi-Fi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot	Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, hotspot	Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, hotspot
USB
microUSB v2.0 (MHL), USB On-the-go, USB Host	microUSB v2.0, USB Host	microUSB v2.0
GPS
Yes, with A-GPS, GLONASS	Yes, with A-GPS, GLONASS	Yes, with A-GPS, GLONASS/ Beidou (market dependant)
Browser
HTML5	HTML5	HTML5