HTC One M8 vs Samsung Galaxy A8 vs OnePlus X

General Info

Manufacturer
HTC	Samsung	OnePlus
Announced
March 2014	July 2015	October 2015
Status
Available - March 2014	Available - August 2015	Available - November 2015
Price
-	Rs. 26,990 ($396.91) [Similarly Priced]	Rs. 11,000 ($199.00) [Similarly Priced]
Colors
Glacial Silver, Gunmetal Gray, Amber Gold	Pearl White, Midnight Black, Champagne Gold	Black, 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)	158 x 76.8 x 5.9 mm (6.22 x 3.02 x 0.23 in)	140 x 69 x 6.9 mm (5.51 x 2.72 x 0.27 in)
Weight
160 g (5.64 oz)	151 g (5.33 oz)	138 g (4.87 oz)
2G Network
GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (optional)	GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network
HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 1900 / 2100 HSDPA 850 / 1700 / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100	HSDPA
4G Network
LTE 800 / 900 / 1800 / 2600 LTE 700 / 1700 / 2100 LTE 700 / 900 / 1800 / 2100 / 2600 LTE 700 / 850 / 1700 / 1800 / 1900 / 2100 / 2600	LTE	LTE - SIM 1 & SIM 2
Messaging
SMS, MMS, Push Mail, EMail	SMS, MMS, EMail, IM	SMS, MMS, EMail, IM
Build Features
Corning Gorilla Glass 3	- Fingerprint sensor	-

OS
Android OS, v4.4.2 (KitKat)	Android OS, v5.1 (Lollipop)	Android OS, v5.1.1 (Lollipop)
Processor
Quad-core 2.3 GHz Krait 400, Qualcomm MSM8974AB Snapdragon 801	Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615	Quad-core 2.5 GHz Krait 400, Qualcomm Snapdragon 801
GPU
Adreno 330	Adreno 405	Adreno 330
RAM
2 GB	2 GB	3 GB
Internal Memory
16/32 GB	16/32 GB	16 GB
External Memory
microSD, up to 128 GB	microSD, up to 128 GB (uses SIM 2 slot)	microSD, up to 64 GB

Type
Super LCD3 Capacitive Touchscreen	Super AMOLED capacitive touchscreen	AMOLED Capacitive Touchscreen, Corning Gorilla Glass
Colors
16M colors	16M colors	16M colors
Size
5.0 inches	5.7 inches	5.0 inches
Resolution
1080 x 1920 pixels (441 ppi)	1080 x 1920 pixels (386 ppi)	1080 x 1920 pixels (441 ppi)
Screen-to-Body Ratio
66.55%	73.99%	71.21%
Multi-Touch

Rear Camera
Dual 4 MP, 2688х1520 pixels	16 MP, 5312 x 2988 pixels	13 MP, 4128 x 3096 pixels
Flash
Dual-LED	LED flash	dual-LED (dual tone)
Features
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, Panorama, HDR	Auto focus, Geo-tagging, Touch Focus, Face/smile Detection, HDR, Panorama
Video
Yes, 1080p@30fps, 720p@60fps, HDR, Stereo Sound Rec., Video Stabilization	1080p@30fps	1080p@30fps
Front Camera
Yes, 5 MP, 1080p@30fps, HDR	5 MP, 1080p	8 MP, 1080p

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 Cat6 300/50 Mbps	HSPA, LTE Cat4 150/50 Mbps
Bluetooth
Yes, v4.0 with A2DP	v4.1, A2DP, EDR, LE	v4.0, A2DP, LE
Wi-Fi
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, WiFi Direct, hotspot	Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
USB
Yes, microUSB v2.0 (MHL), USB On-the-go, USB Host	microUSB v2.0	microUSB v2.0, USB Host
GPS
Yes, with A-GPS support and GLONASS	Yes, with A-GPS, GLONASS/ Beidou (market dependant)	Yes, with A-GPS, GLONASS, Beidou
Browser
HTML5	HTML5	HTML5