Asus Zenfone Zoom ZX551ML vs Asus Zenfone 3 Zoom vs Asus Zenfone Zoom S

Price Comparison (India)

Rs. 26,999

Manufacturer
Asus	Asus	Asus
Announced
September 2015	January 2017	Not Announced Yet
Status
Available - January 2016	Coming Soon - February 2017	Rumored
Price
Rs. 37,999 ($558.81) [Similarly Priced]	-	Rs. 26,999 ($421.00) [Similarly Priced]
Colors
Pure Black, Ceramic White	Grey, Silver, Pink	Navy Black, Glacier Silver
Form Factor
Candybar	Candybar	Candybar
Dimension
158.9 x 78.8 x 12 mm (6.26 x 3.1 x 0.47 in)	154.3 x 77 x 7.99 mm (6.07 x 3.03 x 0.31 in)	154.3 x 77 x 7.99 mm (6.07 x 3.03 x 0.31 in)
Weight
185 g (6.53 oz)	170 g (6 oz)	170 g (6 oz)
SIM Type
-	Dual SIM Hybrid (Nano SIM + Micro SIM, or Micro SIM + microSD Card)	Dual SIM (Nano-SIM, dual stand-by)
2G Network
GSM 850 / 900 / 1800 / 1900	GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 TD-SCDMA	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network
HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100
4G Network
LTE band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 9(1800), 18(800), 19(800), 28(700)	LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500)	LTE band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800)
Messaging
SMS, MMS, Push Mail, EMail, IM	SMS, MMS, EMail, IM	SMS, MMS, Push Mail, EMail, IM
Build Features
-	- Fingerprint sensor - Scratch Resistant Display	- Fingerprint Sensor
Notification LED
-	Yes	Yes

OS
Android OS, v5.0 (Lollipop)	Android OS, v6.0.1 (Marshmallow)	Android OS, v6.0 (Marshmallow)
User Interface
-	ZEN UI 3.0	Asus ZenUI
Processor
Quad-core 2.5 GHz, Intel Atom Z3590	Octa-core, 2.0 GHz Cortex-A53, Qualcomm MSM8953 Snapdragon 625	Octa-core 2.0 GHz Cortex-A53, Qualcomm MSM8953 Snapdragon 625
GPU
PowerVR G6430	Adreno 506	Adreno 506
RAM
4 GB	2/3/4 GB	4 GB
Internal Memory
128 GB	16/32/64 GB	64 GB
External Memory
microSD, up to 128 GB	microSD, up to 128 GB (uses SIM 2 slot)	microSD, up to 256 GB (uses SIM 2 slot)

Type
IPS Capacitive Touchscreen, Corning Gorilla Glass 4	AMOLED Capacitive Touchscreen with Gorilla Glass 5 protection	AMOLED Capacitive Touchscreen, Countoured Gorilla Glass 5
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
66.44%	70.02%	70.02%
Multi-Touch

3.5mm Jack

Radio
No	Stereo FM Radio with Recording	FM radio
Games
Yes + Downloadable	Yes + Downloadable	Yes + Downloadable
Loud Speaker

Rear Camera
13 MP, 4128 x 3096 pixels	12 MP + 12 MP	Dual 12 MP
Flash
Dual-LED (Dual Tone)	Dual-LED (Dual Tone)	Dual-LED (dual Tone)
Features
Laser Autofocus, Optical Image Stabilization, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR	Phase Detection Autofocus, Laser AutoFocus, OIS, EIS, f/1.7 aperture, Sony IMX362 Sensor, Geo-tagging, Touch Focus, Face/smile Detection, HDR, Panorama	Laser/phase Detection Autofocus, f/2.8), (25mm, OIS (4-axis)& 59mm, 2.3x Optical Zoom Factor, 1/2.5" Sensor Size @ 25mm, 1.4 µm Pixel Size, Geo-tagging, Simultaneous 4K Video And 9MP Image Recording, Touch Focus, Face/smile Detection, Auto HDR, Panora
Video
1080p@30fps	2160p@30fps, 1080p@60fps, 720p@120fps	2160p@24fps, 1080p@30fps
Front Camera
5 MP	13 MP	13 MP, f/2.0, 1/3" sensor size, 1.12 µm pixel size, 1080p

GPRS
Yes	Yes	Yes
Edge
Yes	Yes	Yes
3G
HSPA 42.2/5.76 Mbps, LTE Cat4+ 250/50 Mbps	HSPA, LTE, VoLTE	HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps (Global), LTE-A (2CA) Cat6 300/50 Mbps (Taiwan)
Bluetooth
v4.0, A2DP, EDR	v4.1, A2DP, LE	4.2, A2DP, EDR, LE
Wi-Fi
Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot	Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot	Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot
USB
microUSB v2.0	Type-C 1.0 reversible connector	2.0, Type-C 1.0 reversible connector, USB On-The-Go
GPS
Yes, with A-GPS, GLONASS, Beidou	Yes, with A-GPS, GLONASS, BDS	Yes, with A-GPS, GLONASS, BDS
Browser
HTML5	HTML5	HTML5