Asus Zenfone 2 ZE551ML vs Asus Zenfone 2 Deluxe ZE551ML vs HTC One X9

General Info

Manufacturer
Asus	Asus	HTC
Announced
January 2015	August 2015	December 2015
Status
Available - March 2015	Available - August 2015	Available - January 2016
Price
Rs. 14,999 ($220.57) [Similarly Priced]	Rs. 10,499 ($154.40) [Similarly Priced]	Rs. 21,810 ($320.74) [Similarly Priced]
Colors
Osmium Black, Sheer Gold, Glacier Gray, Glamor Red, Ceramic Whit	White/Purple	Black, White
Form Factor
Candybar	Candybar	Candybar
Dimension
152.5 x 77.2 x 10.9 mm (6 x 3.04 x 0.43 in)	152.5 x 77.2 x 10.9 mm (6 x 3.04 x 0.43 in)	153.9 x 75.9 x 8 mm (6.06 x 2.99 x 0.31 in)
Weight
170 g (6 oz)	170 g (6 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 TD-SCDMA 1900 / 2100 - India	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network
HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100 TD-SCDMA 1900 / 2100 - India	HSDPA 850 / 900 / 1900 / 2100
4G Network
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)	LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 8(900), 9(1800), 18(800), 19(800), 28(700) - Taiwan LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800) - Global LTE band 1(2100), 2(1900), 3(1800), 4(1700/2	LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 28(700), 38(2600), 39(1900), 40(2300), 41(2500)
Messaging
SMS, MMS, Push Mail, EMail, IM	SMS, MMS, Push Mail, EMail, IM	SMS, MMS, Push Mail, EMail

OS
Android OS, v5.0 (Lollipop)	Android OS, v5.0 (Lollipop)	Android OS, v6.0 (Marshmallow)
Processor
Quad-core 2.3 GHz Quad-core 1.8 GHz, Intel Atom Z3580 Intel Atom Z3560	Quad-core 2.3 GHz/Quad-core 1.8 GHz, Intel Atom Z3580/Intel Atom Z3560	Octa-core Cortex-A53, Mediatek MT6795 Helio X10
GPU
PowerVR G6430	PowerVR G6430	PowerVR G6200
RAM
2/4 GB	4 GB	3 GB
Internal Memory
16/32/64 GB	64/128 GB	32 GB
External Memory
microSD, up to 64 GB	microSD, up to 128 GB	microSD, up to 200 GB

Type
IPS Capacitive Touchscreen, Corning Gorilla Glass 3	IPS Capacitive Touchscreen, Corning Gorilla Glass 3	Capacitive touchscreen, Corning Gorilla Glass
Colors
16M colors	16M colors	16M colors
Size
5.5 inches	5.5 inches	5.5 inches
Resolution
1080 x 1920 pixels (401 ppi)	1080 x 1920 pixels (401 ppi)	1080 x 1920 pixels (401 ppi)
Screen-to-Body Ratio
70.67%	70.67%	71.22%
Multi-Touch

Rear Camera
13 MP, 4128 x 3096 pixels	13 MP, 4128 x 3096 pixels	13 MP, 4128 x 3096 pixels
Flash
dual-LED (dual tone)	dual-LED (dual tone)	Dual-LED (Dual Tone)
Features
Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR	Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR	Autofocus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR
Video
1080p@30fps	1080p@30fps	2160p@30fps
Front Camera
5 MP	5 MP	5 MP, f/2.8, 34mm, 1080p@30fps

GPRS
Yes	Yes	Yes
Edge
Yes	Yes	Yes
3G
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps	HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps	HSPA, LTE
Bluetooth
v4.0, A2DP, EDR	v4.0, A2DP, EDR	v4.1, A2DP, apt-X
Wi-Fi
Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot	Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot
USB
microUSB v2.0, USB Host	microUSB v2.0	microUSB v2.0
GPS
Yes, with A-GPS, GLONASS	Yes, with A-GPS, GLONASS, Beidou	Yes, with A-GPS, GLONASS, BDS
Browser
HTML5	HTML5	HTML5