HTC One M8 vs HTC Desire 820 vs LG Leon

General Info

Manufacturer
HTC	HTC	LG
Announced
March 2014	September 2014	February 2015
Status
Available - March 2014	Coming Soon - September 2014	Available - May 2015
Price
-	-	Rs. 6,800 ($99.99) [Similarly Priced]
Colors
Glacial Silver, Gunmetal Gray, Amber Gold	Marble White, Tuxedo Grey, Santorini White, Milky-way Grey, Tang	Yes
Form Factor
Candybar	Candybar	Candybar
Dimension
146.4 x 70.6 x 9.4 mm (5.76 x 2.78 x 0.37 in)	157.7 x 78.7 x 7.7 mm (6.21 x 3.1 x 0.3 in)	129.9 x 64.9 x 10.9 mm (5.11 x 2.56 x 0.43 in)
Weight
160 g (5.64 oz)	155 g (5.47 oz)	-
2G Network
GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
3G Network
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	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 900 / 1800 / 2100 / 2600 - EMEA version	LTE (LTE model only)
Messaging
SMS, MMS, Push Mail, EMail	SMS, MMS, Push Mail, EMail	SMS, MMS, EMail, IM
Build Features
Corning Gorilla Glass 3	-	-

OS
Android OS, v4.4.2 (KitKat)	Android OS, v4.4.2 (KitKat)	Android OS, v5.0 (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 1.2 GHz or 1.3 GHz,
GPU
Adreno 330	Adreno 405	-
RAM
2 GB	2 GB	1 GB
Internal Memory
16/32 GB	16 GB	8 GB
External Memory
microSD, up to 128 GB	microSD, up to 128 GB	-

Type
Super LCD3 Capacitive Touchscreen	LCD Capacitive Touchscreen	Capacitive touchscreen
Colors
16M colors	16M colors	16M colors
Size
5.0 inches	5.5 inches	4.5 inches
Resolution
1080 x 1920 pixels (441 ppi)	720 x 1280 pixels (267 ppi)	480 x 854 pixels (218 ppi)
Screen-to-Body Ratio
66.55%	67.20%	66.01%
Multi-Touch

Rear Camera
Dual 4 MP, 2688х1520 pixels	13 MP, 4160 x 3120 pixels	5 MP / 8 MP, autofocus
Flash
Dual-LED	LED flash	LED flash
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, Simultaneous HD Video And Image Recording, HDR	Geo-tagging
Video
Yes, 1080p@30fps, 720p@60fps, HDR, Stereo Sound Rec., Video Stabilization	1080p@30fps, 720p@60fps	Yes
Front Camera
Yes, 5 MP, 1080p@30fps, HDR	8 MP, 1080p	VGA

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	HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL	HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth
Yes, v4.0 with A2DP	v4.0, A2DP	Yes
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, Wi-Fi Direct, DLNA, Wi-Fi hotspot	Yes
USB
Yes, microUSB v2.0 (MHL), USB On-the-go, USB Host	microUSB v2.0	microUSB v2.0
GPS
Yes, with A-GPS support and GLONASS	Yes, with A-GPS, GLONASS	Yes, with A-GPS
Browser
HTML5	HTML5	HTML5