HTC Desire 620G Dual SIM vs HTC Desire 820q Dual SIM vs Asus Zenfone 2 ZE551ML

General Info

Manufacturer
HTC	HTC	Asus
Announced
December 2014	October 2014	January 2015
Status
Coming Soon - December 2014	Available - October 2014	Available - March 2015
Price
Rs. 6,949 ($102.19) [Similarly Priced]	Rs. 30,500 ($448.53) [Similarly Priced]	Rs. 14,999 ($220.57) [Similarly Priced]
Colors
Black, White	Santorini White, Tuxedo Gray, Milky-way Gray	Osmium Black, Sheer Gold, Glacier Gray, Glamor Red, Ceramic Whit
Form Factor
Candybar	Candybar	Candybar
Dimension
150.1 x 72.7 x 9.6 mm (5.91 x 2.86 x 0.38 in)	157.7 x 78.7 x 7.7 mm (6.21 x 3.1 x 0.3 in)	152.5 x 77.2 x 10.9 mm (6 x 3.04 x 0.43 in)
Weight
160 g (5.64 oz)	155 g (5.47 oz)	170 g (6 oz)
2G Network
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network
HSDPA 900 / 2100	HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100
4G Network
-	LTE 900 / 1800 / 2100 / 2600 TD-LTE 1900 / 2300 / 2500 / 2600 (Bands 1, 3, 7, 8, 38, 39, 40, 41)	LTE 700 / 800 / 850 / 900 / 1700 / 1800 / 1900 / 2100 / 2600 (Bands 1, 2, 3, 4, 5, 7, 8, 9, 17, 18, 19, 20, 28, 29)
Messaging
SMS, MMS, Push Mail, EMail	SMS, MMS, Push Mail, EMail	SMS, MMS, Push Mail, EMail, IM

OS
Android OS, v4.4.4 (KitKat)	Android OS, v4.4.2 (KitKat)	Android OS, v5.0 (Lollipop)
Processor
Octa-core 1.7 GHz Cortex-A7, Mediatek MT6592	Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410	Quad-core 2.3 GHz Quad-core 1.8 GHz, Intel Atom Z3580 Intel Atom Z3560
GPU
Mali-450MP4	Adreno 306	PowerVR G6430
RAM
1 GB	1 GB	2/4 GB
Internal Memory
8 GB	16 GB	16/32/64 GB
External Memory
microSD, up to 32 GB	microSD, up to 128 GB	microSD, up to 64 GB

Type
Capacitive touchscreen	TFT Capacitive Touchscreen, Corning Gorilla Glass 3	IPS Capacitive Touchscreen, Corning Gorilla Glass 3
Colors
16M colors	16M colors	16M colors
Size
5.0 inches	5.5 inches	5.5 inches
Resolution
720 x 1280 pixels (294 ppi)	720 x 1280 pixels (267 ppi)	1080 x 1920 pixels (401 ppi)
Screen-to-Body Ratio
63.04%	67.20%	70.67%
Multi-Touch

Rear Camera
8 MP, 3264 x 2448 pixels	13 MP, 4160 x 3120 pixels	13 MP, 4128 x 3096 pixels
Flash
LED flash	LED flash	dual-LED (dual tone)
Features
Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama	Auto focus, Geo-tagging, Touch Focus, Face Detection, Simultaneous HD Video And Image Recording, HDR	Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR
Video
1080p@30fps	1080p@30fps, 720p@60fps	1080p@30fps
Front Camera
5 MP	8 MP, 1080p	5 MP

GPRS
Yes	Yes	Yes
Edge
Yes	Yes	Yes
3G
HSPA	HSPA 42.2/5.76 Mbps, LTE	HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth
v4.0, A2DP, apt-X	v4.0, A2DP, apt-X	v4.0, A2DP, EDR
Wi-Fi
Wi-Fi 802.11 b/g/n, hotspot	Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot	Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot
USB
microUSB v2.0	microUSB v2.0	microUSB v2.0, USB Host
GPS
Yes, with A-GPS, GLONASS	Yes, with A-GPS, GLONASS	Yes, with A-GPS, GLONASS
Browser
HTML5	HTML5	HTML5