HTC Desire 820 vs HTC Desire 816G Dual SIM vs LG G4 Stylus

General Info

Manufacturer
HTC	HTC	LG
Announced
September 2014	May 2014	April 2015
Status
Coming Soon - September 2014	Available - May 2014	Available - May 2015
Price
-	Rs. 10,990 ($161.62) [Similarly Priced]	Rs. 12,999 ($191.16) [Similarly Priced]
Colors
Marble White, Tuxedo Grey, Santorini White, Milky-way Grey, Tang	Black, White	Metallic Silver, Floral White
Form Factor
Candybar	Candybar	Candybar
Dimension
157.7 x 78.7 x 7.7 mm (6.21 x 3.1 x 0.3 in)	156.6 x78.74 x 7.99 mm (6.17 x3.1 x 0.31 in)	154.3 x 79.2 x 9.6 mm (6.07 x 3.12 x 0.38 in)
Weight
155 g (5.47 oz)	158 g (5.57 oz)	163 g (5.75 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 850 / 900 / 2100	HSDPA 850 / 1900 / 2100 - T-Mobile HSDPA - 3G model only
4G Network
LTE 900 / 1800 / 2100 / 2600 - EMEA version	-	LTE band 2(1900), 4(1700/2100), 12(700) - T-Mobile
Messaging
SMS, MMS, Push Mail, EMail	SMS, MMS, Push Mail, EMail	SMS, MMS, EMail, IM
Build Features
-	Dual Frontal Stereo Speakers	-

OS
Android OS, v4.4.2 (KitKat)	Android OS, v4.4.2 (KitKat)	Android OS, v5.0 (Lollipop)
Processor
Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615	Quad-core 1.3 GHz, Mediatek MT6582	Quad-core 1.2 GHz Cortex-A53 (LTE model) Octa-core 1.4 GHz (3G model), Qualcomm MSM8916 Snapdragon 410 (LTE model)
GPU
Adreno 405	Mali-400MP2	Adreno 306 (LTE model)
RAM
2 GB	1 GB	1 GB
Internal Memory
16 GB	8 GB	8 GB
External Memory
microSD, up to 128 GB	microSD, up to 32 GB	microSD, up to 128 GB

Type
LCD Capacitive Touchscreen	Super LCD2 capacitive touchscreen	IPS LCD capacitive touchscreen
Colors
16M colors	16M colors	16M colors
Size
5.5 inches	5.5 inches	5.7 inches
Resolution
720 x 1280 pixels (267 ppi)	720 x 1280 pixels (267 ppi)	720 x 1280 pixels (258 ppi)
Screen-to-Body Ratio
67.20%	-	73.09%
Multi-Touch

Rear Camera
13 MP, 4160 x 3120 pixels	13 MP, 4160 x 3120 pixels	13 MP, 4128 x 3096 pixels
Flash
LED flash	LED flash	Yes
Features
Auto focus, Geo-tagging, Touch Focus, Face Detection, Simultaneous HD Video And Image Recording, HDR	Auto focus, BSI Sensor, Geo-tagging, Touch Focus, Face Detection, Simultaneous HD Video And Image Recording, HDR	Geo-tagging, Touch Focus, Face Detection, HDR, Panorama
Video
1080p@30fps, 720p@60fps	1080p@30fps	1080p@30fps
Front Camera
8 MP, 1080p	5 MP, BSI Sensor, 1080p	5 MP

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	HSDPA, 14.4 Mbps; HSUPA, 5.76 Mbps	HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth
v4.0, A2DP	v4.0, A2DP, apt-X	v4.1, A2DP
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, DLNA, Wi-Fi hotspot	Wi-Fi 802.11 a/b/g/n, hotspot
USB
microUSB v2.0	microUSB v2.0	microUSB v2.0
GPS
Yes, with A-GPS, GLONASS	Yes, with A-GPS, GLONASS	Yes, with A-GPS, GLONASS
Browser
HTML5	HTML5	HTML5

Internal
16 GB, 2 GB RAM	8 GB, 1 GB RAM	8 GB, 1 GB RAM 16 GB, 2 GB RAM (T-Mobile only)
Expandable Storage
microSD, up to 128 GB	microSD, up to 32 GB	microSD, up to 128 GB