HTC Desire X vs HTC One M8 Eye vs OnePlus X

General Info

Manufacturer
HTC	HTC	OnePlus
Announced
August 2012	October 2014	October 2015
Status
Available - October 2012	Available - November 2014	Available - November 2015
Price
-	Rs. 18,999 ($279.40) [Similarly Priced]	Rs. 11,000 ($199.00) [Similarly Priced]
Colors
White, blue	Gunmetal Gray, Glacial Silver, Amber Gold	Black, White
Form Factor
Candybar	Candybar	Candybar
Dimension
118.5 x 62.3 x 9.3 mm (4.67 x 2.45 x 0.37 in)	146.4 x 70.6 x 9.4 mm (5.76 x 2.78 x 0.37 in)	140 x 69 x 6.9 mm (5.51 x 2.72 x 0.27 in)
Weight
120 g (4.23 oz)	157 g (5.54 oz)	138 g (4.87 oz)
2G Network
GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900 - All Versions	GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network
HSDPA 900 / 2100	HSDPA 850 / 900 / 1900 / 2100 - Asia HSDPA 850 / 1700 / 1900 / 2100 - AT&T HSDPA 850 / 900 / 2100 - EMEA TD-SCDMA 1900 / 2100 - Asia	HSDPA
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 - SIM 1 & SIM 2
Messaging
SMS, MMS, Push Mail, EMail	SMS, MMS, Push Mail, EMail	SMS, MMS, EMail, IM
Build Features
-	IPX7 certified - Dust Proof and Water Resistant up to 1 Meter and 30 Minutes	-

OS
Android OS, v4.0.4 (Ice Cream Sandwich)	Android OS, v4.4.4 (KitKat)	Android OS, v5.1.1 (Lollipop)
Processor
Dual-core 1 GHz, MSM8225 Qualcomm S4	-,	Quad-core 2.5 GHz Krait 400, Qualcomm Snapdragon 801
GPU
Adreno 203	-	Adreno 330
RAM
768 MB	2 GB	3 GB
Internal Memory
4 GB storage	16/32 GB	16 GB
External Memory
microSD, up to 32 GB	microSD, up to 128 GB	microSD, up to 64 GB

Type
Super LCD capacitive touchscreen	Super LCD3 Capacitive Touchscreen, Corning Gorilla Glass 3	AMOLED Capacitive Touchscreen, Corning Gorilla Glass
Colors
16M colors	16M colors	16M colors
Size
4.0 inches	5.0 inches	5.0 inches
Resolution
480 x 800 pixels (233 ppi)	1080 x 1920 pixels (441 ppi)	1080 x 1920 pixels (441 ppi)
Screen-to-Body Ratio
61.81%	66.55%	71.21%
Multi-Touch

Rear Camera
5 MP, 2592х1944 pixels	Dual 13 MP, 4128 x 3096 pixels	13 MP, 4128 x 3096 pixels
Flash
LED flash	Dual-LED (dual tone)	dual-LED (dual tone)
Features
Auto focus, Geo-tagging	Auto focus, Automatic simultaneous video and image recording, geo-tagging, face/smile detection, HDR, panorama	Auto focus, Geo-tagging, Touch Focus, Face/smile Detection, HDR, Panorama
Video
Yes	1080p@60fps, 720p@120fps, HDR, stereo sound rec.	1080p@30fps
Front Camera
No	5 MP, 1080p@30fps, HDR	8 MP, 1080p

GPRS
Yes	Yes	Yes
Edge
Yes	Yes	Yes
3G
HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps	HSDPA, 42 Mbps (21 Mbps - AT&T), HSUPA, 5.76 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL	HSPA, LTE Cat4 150/50 Mbps
Bluetooth
Yes, v4.0 with A2DP	v4.0, A2DP	v4.0, A2DP, LE
Wi-Fi
Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot	Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
USB
Yes, microUSB v2.0	microUSB v2.0 (MHL), USB On-the-go, USB Host	microUSB v2.0, USB Host
GPS
Yes, with A-GPS support	Yes, with A-GPS, GLONASS	Yes, with A-GPS, GLONASS, Beidou
Browser
HTML5	HTML5	HTML5