HTC Desire 820 vs HTC Desire 620G Dual SIM vs LG G4

General Info

Manufacturer
HTC	HTC	LG
Announced
September 2014	December 2014	April 2015
Status
Coming Soon - September 2014	Coming Soon - December 2014	Available - April 2015
Price
-	Rs. 6,949 ($102.19) [Similarly Priced]	Rs. 25,999 ($382.34) [Similarly Priced]
Colors
Marble White, Tuxedo Grey, Santorini White, Milky-way Grey, Tang	Black, White	Grey, White, Gold, Leather Black, Leather Brown, Leather RedGrey
Form Factor
Candybar	Candybar	Candybar
Dimension
157.7 x 78.7 x 7.7 mm (6.21 x 3.1 x 0.3 in)	150.1 x 72.7 x 9.6 mm (5.91 x 2.86 x 0.38 in)	148.9 x 76.1 x 9.8 mm (5.86 x 3 x 0.39 in)
Weight
155 g (5.47 oz)	160 g (5.64 oz)	155 g (5.47 oz)
2G Network
GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2	GSM 850 / 900 / 1800 / 1900
3G Network
HSDPA 850 / 900 / 1900 / 2100 - EMEA version HSDPA 900 / 2100 - Asia version	HSDPA 900 / 2100	HSDPA 850 / 900 / 1900 / 2100
4G Network
LTE 900 / 1800 / 2100 / 2600 - EMEA version	-	LTE band 1(2100), 3(1800), 7(2600), 8(900), 20(800)
Messaging
SMS, MMS, Push Mail, EMail	SMS, MMS, Push Mail, EMail	SMS, MMS, EMail, IM

OS
Android OS, v4.4.2 (KitKat)	Android OS, v4.4.4 (KitKat)	Android OS, v5.1 (Lollipop)
Processor
Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615	Octa-core 1.7 GHz Cortex-A7, Mediatek MT6592	Hexa-core 1.8 GHz Cortex-A57, Qualcomm MSM8992 Snapdragon 808
GPU
Adreno 405	Mali-450MP4	Adreno 418
RAM
2 GB	1 GB	3 GB
Internal Memory
16 GB	8 GB	32 GB
External Memory
microSD, up to 128 GB	microSD, up to 32 GB	microSD, up to 2 TB

Type
LCD Capacitive Touchscreen	Capacitive touchscreen	True HD-IPS + LCD Capacitive Touchscreen, Corning Gorilla Glass 4
Colors
16M colors	16M colors	16M colors
Size
5.5 inches	5.0 inches	5.5 inches
Resolution
720 x 1280 pixels (267 ppi)	720 x 1280 pixels (294 ppi)	1440 x 2560 pixels (534 ppi)
Screen-to-Body Ratio
67.20%	63.04%	73.61%
Multi-Touch

Rear Camera
13 MP, 4160 x 3120 pixels	8 MP, 3264 x 2448 pixels	16 MP, 5312 x 2988 pixels
Flash
LED flash	LED flash	Dual-LED (dual tone)
Features
Auto focus, Geo-tagging, Touch Focus, Face Detection, Simultaneous HD Video And Image Recording, HDR	Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama	Phase Detection/Laser, Auto-focus, OIS, 1/2.6'' Sensor Size, Simultaneous Video And Image Recording, Geo-tagging, Face Detection, HDR
Video
1080p@30fps, 720p@60fps	1080p@30fps	2160p@30fps, 1080p@60fps, Optical Stabilization, HDR, Stereo Sound Rec.
Front Camera
8 MP, 1080p	5 MP	8 MP, 1080p@30fps

GPRS
Yes	Yes	Class 12
Edge
Yes	Yes	Class 12
3G
HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL	HSPA	HSPA 42.2/21.1 Mbps, LTE Cat6 300/50 Mbps
Bluetooth
v4.0, A2DP	v4.0, A2DP, apt-X	v4.1, A2DP, LE, apt-X
Wi-Fi
Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot	Wi-Fi 802.11 b/g/n, hotspot	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot
USB
microUSB v2.0	microUSB v2.0	microUSB v2.0 (SlimPort), USB Host
GPS
Yes, with A-GPS, GLONASS	Yes, with A-GPS, GLONASS	Yes, with A-GPS, GLONASS
Browser
HTML5	HTML5	HTML5