Phone Comparison - Apple iPhone 4S vs Asus Zenfone Zoom ZX550 vs Lenovo Vibe X2 Pro

general General Info

Manufacturer Apple Asus Lenovo
Announced October 2011 January 2015 January 2015
Status Available - October 2011 Coming Soon - Q2 2015 Available - April 2015
Price - Rs. 37,999 ($558.81) [Similarly Priced] Rs. 13,099 ($192.63) [Similarly Priced]
Colors Black, White Meteorite black, Glacier white Champagne Gold, Rock Pink, Electric Blue
Form Factor Candybar Candybar Candybar
Dimension 115.2 x 58.6 x 9.3 mm
(4.54 x 2.31 x 0.37 in)
158.9 x 78.8 x 12 mm
(6.26 x 3.1 x 0.47 in)
146.3 x 71 x 7 mm
(5.76 x 2.8 x 0.28 in)
Weight 140 g (4.94 oz) 185 g (6.53 oz) 140 g (4.94 oz)
2G Network GSM 850 / 900 / 1800 / 1900
CDMA2000 1xEV-DO
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 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 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 800 / 1800 / 2100 / 2600 (Bands 1, 3, 7, 20)
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS iOS 5 Android OS, v5.0 (Lollipop) Android OS, v4.4.x (KitKat)
Processor 1 GHz dual-core ARM Cortex-A9 processor, Apple A5 chipset Quad-core 2.3 GHz, Intel Atom Z3580 Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm Snapdragon 615
GPU PowerVR SGX543MP2 PowerVR G6430 Adreno 405
RAM 512 MB 4 GB 2 GB
Internal Memory 16/32/64 GB storage 32/64/128 GB 32 GB
External Memory No microSD, up to 64 GB microSD, up to 128 GB

display Display

Type LED-backlit IPS TFT IPS Capacitive Touchscreen, Corning Gorilla Glass 3 IPS LCD capacitive touchscreen
Colors capacitive touchscreen 16M colors 16M colors
Size 3.5 inches 5.5 inches 5.3 inches
Resolution 640 x 960 pixels (330 ppi) 1080 x 1920 pixels (403 ppi) 1080 x 1920 pixels (416 ppi)
Screen-to-Body Ratio 53.92% 65.79% 74.42%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio No No FM radio
Games Downloadable, incl. motion-bas Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 8 MP, 3264x2448 pixels 13 MP, 4128 x 3096 pixels 13 MP, 4160 x 3120 pixels
Flash LED flash Dual-tone Flash LED flash
Features Auto focus, Touch Focus, Geo-tagging, Face Detection, HDR Optical Image Stabilization,Geo-tagging, Touch Focus, Face Detection, Panorama, HDR Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR
Video Yes, 1080p@30fps, LED video light, video stabilization, geo-tagging 1080p@30fps 1080p@30fps
Front Camera Yes, VGA [Similar] 5 MP [Similar] 13 MP, autofocus [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 14.4 Mbps; HSUPA, 5.8 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth Yes, v4.0 with A2DP v4.0, A2DP, EDR v4.0, A2DP, LE
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot Wi-Fi 802.11 b/g/n/ac, dual band, hotspot
USB Yes, v2.0 microUSB v2.0, USB Host microUSB v2.0
GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS
Browser HTML (Safari) HTML5 HTML5

memory User Memory

Call Records 100 received, dialed and missed calls Practically unlimited Practically unlimited
Internal 16/32/64 GB storage, 512 MB RAM 32/64/128 GB, 4 GB RAM 32 GB, 2 GB RAM
Expandable Storage No microSD, up to 64 GB microSD, up to 128 GB
USB OTG - Supported -

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported fingerprint not supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
NFC NFC not supported NFC supported NFC not supported

battery Battery

Type Standard battery, Li-Po Non-removable Li-Po Battery Non-removable Li-Po Battery
Capacity 1432 mAh 3000 mAh 2410 mAh
Stand by Up to 200 h (2G)
Up to 200 h (3G)
- -
Talk Time Up to 14 h (2G)
Up to 8 h (3G)
- -