LG G3 vs LG G Flex2 vs HTC Desire 820s dual sim

General Info

Manufacturer
LG	LG	HTC
Announced
May 2014	January 2015	March 2015
Status
Available - June 2014	Available - January 2015	Available - March 2015
Price
-	Rs. 26,499 ($389.69) [Similarly Priced]	Rs. 27,900 ($410.29) [Similarly Priced]
Colors
Black, White, Gold	Platinum Silver, Flamenco Red	Marble White, Milkyway Gray, Monarch Orange, Santorini White, Tu
Form Factor
Candybar	Candybar	Candybar
Dimension
146.3 x 74.6 x 8.9 mm (5.76 x 2.94 x 0.35 in)	149.1 x 75.3 x 7.1-9.4 mm (5.87 x 2.96 x 0.28-0.37 in)	157.7 x 78.7 x 7.7 mm (6.21 x 3.1 x 0.3 in)
Weight
149 g (5.26 oz)	152 g (5.36 oz)	155 g (5.47 oz)
2G Network
GSM 850 / 900 / 1800 / 1900 LTE - CDMA version	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 TD-SCDMA 1900 / 2000
3G Network
HSDPA 850 / 900 / 1700 / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100
4G Network
LTE 800 / 900 /1800 / 2100 / 2600	LTE 800 / 900 / 1800 / 2100 / 2600	LTE 900 / 1800 / 2100 / 2600 TD-LTE 1900 / 2300 / 2500 / 2600 (Bands 1, 3, 7, 8, 38, 39, 40, 41)
Messaging
SMS, MMS, EMail, IM	SMS, MMS, EMail, IM	SMS, MMS, Push Mail, EMail
Build Features
-	Self-healing back panel coating	-

OS
Android OS, v4.4.2 (KitKat)	Android OS, v5.0.1 (Lollipop)	Android OS, v4.4.4 (KitKat)
Processor
Quad-core 2.5 GHz Krait 400, Qualcomm MSM8974AC Snapdragon 801	Quad-core 1.5 GHz Cortex-A53 & Quad-core 2 GHz Cortex-A57, Qualcomm MSM8994 Snapdragon 810	Octa-core 1.7 GHz Cortex-A53, Mediatek MT6752
GPU
Adreno 330	Adreno 430	Mali-T760MP2
RAM
2 GB	2 GB	2 GB
Internal Memory
16 GB ROM	16 GB	16 GB
External Memory
microSD, up to 128 GB	microSD, up to 128 GB	microSD, up to 32 GB

Type
True HD-IPS + LCD capacitive touchscreen	Curved P-OLED Capacitive Touchscreen, Corning Gorilla Glass 3	Capacitive Touchscreen, Corning Gorilla Glass 3
Colors
16M colors	16M colors	16M colors
Size
5.5 inches	5.5 inches	5.5 inches
Resolution
1440 x 2560 pixels (534 ppi)	1080 x 1920 pixels (403 ppi)	720 x 1280 pixels (267 ppi)
Screen-to-Body Ratio
76.42%	73.37%	67.20%
Multi-Touch

Rear Camera
13 MP, 4160 x 3120 pixels	13 MP, 4128 x 3096 pixels	13 MP, 4160 x 3120 pixels
Flash
LED Flash	laser autofocus	LED flash
Features
Auto focus, Simultaneous Video And Image Recording, Geo-tagging, Face Detection, HDR, OIS	Simultaneous Video And Image Recording, Geo-tagging, Face Detection, Panorama, HDR	Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama
Video
Yes, 2160p@30fps, 1080p@60fps, HDR, stereo sound rec., video stabilization	2160p@30fps, 1080p@60fps, HDR, stereo sound rec.	1080p@30fps
Front Camera
Yes, 2.1 MP, 1080p@30fps	2.1 MP, 1080p@30fps	8 MP, 1080p

GPRS
Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps	Yes	Yes
Edge
Class 12	Yes	Yes
3G
HSDPA, 42 Mbps; HSUPA, 21 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL/ EV-DO Rev. A, up to 3.1 Mbps	HSPA 42.2/21.1 Mbps, LTE Cat6 300/50 Mbps	HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth
Yes, v4.0 with A2DP, LE	v4.1, A2DP, LE, apt-X	v4.0, A2DP
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/ac, dual-band, Wi-Fi Direct, DLNA, hotspot	Wi-Fi 802.11 b/g/n, hotspot
USB
Yes, microUSB v3.0 (SlimPort), USB On-the-go, USB Host	microUSB v2.0 (SlimPort), USB Host	microUSB v2.0
GPS
Yes, with A-GPS support and GLONASS	Yes, with A-GPS, GLONASS	Yes, with A-GPS, GLONASS
Browser
HTML5	HTML5	HTML5