Phone Comparison - Apple iPhone 4S vs Lenovo A390 vs Asus Zenfone 4

general General Info

Manufacturer Apple Lenovo Asus
Announced October 2011 April 2013 January 2014
Status Available - October 2011 Available - April 2013 Available - June 2014
Colors Black, White Black, White Black, White, Red, Blue, Yellow
Form Factor Candybar Candybar Candybar
Dimension 115.2 x 58.6 x 9.3 mm
(4.54 x 2.31 x 0.37 in)
125.6 x 64 x 10.1 mm
(4.94 x 2.52 x 0.4 in)
124.4 x 61.4 x 6.3-11.2
(4.9 x 2.42 x 0.25-0.44)
Weight 140 g (4.94 oz) 131 g (4.62 oz) 115 g (4.06 oz)
2G Network GSM 850 / 900 / 1800 / 1900
CDMA2000 1xEV-DO
GSM 900 / 1800 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 2100 HSDPA 850 / 900 / 1900 / 2100
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS iOS 5 Android OS, v4.0.4 (Ice Cream Sandwich) Android OS, v4.3 (Jelly Bean), upgradable to v4.4.2 (KitKat)
Processor 1 GHz dual-core ARM Cortex-A9 processor, Apple A5 chipset Dual-core 1 GHz, MTK 6577 Dual-core 1.2 GHz, Intel Atom Z2520
GPU PowerVR SGX543MP2 PowerVR SGX531 PowerVR SGX544MP2
RAM 512 MB 512 MB 1 GB
Internal Memory 16/32/64 GB storage 4 GB 8 GB
External Memory No microSD, up to 32 GB microSD, up to 64 GB

display Display

Type LED-backlit IPS TFT Capacitive touchscreen LCD Capacitive Touchscreen, Corning Gorilla Glass 3
Colors capacitive touchscreen - 16M colors
Size 3.5 inches 4.0 inches 4.0 inches
Resolution 640 x 960 pixels (330 ppi) 480 x 800 pixels (233 ppi) 480 x 800 pixels (233 ppi)
Screen-to-Body Ratio 53.92% 56.77% 59.74%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 8 MP, 3264x2448 pixels 5 MP, 2592 х 1944 pixels 5 MP, 2592 x 1944 pixels
Flash LED flash No No
Features Auto focus, Touch Focus, Geo-tagging, Face Detection, HDR Geo-tagging Auto focus, Geo-tagging, Panorama
Video Yes, 1080p@30fps, LED video light, video stabilization, geo-tagging Yes Yes, 1080p@30fps
Front Camera Yes, VGA [Similar] No [Similar] Yes, VGA [Similar]

connectivity Connectivity and Data Rate

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

memory User Memory

Call Records 100 received, dialed and missed calls Practically unlimited Practically unlimited
Internal 16/32/64 GB storage, 512 MB RAM 4 GB, 512 MB RAM 8 GB, 1 GB RAM
Expandable Storage No microSD, up to 32 GB microSD, up to 64 GB

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 not supported NFC not supported

battery Battery

Type Standard battery, Li-Po Li-Ion Battery Li-Po Battery
Capacity 1432 mAh 1500 mAh 1200/1600 mAh
Stand by Up to 200 h (2G)
Up to 200 h (3G)
Up to 220 h (2G)
Up to 180 h (3G)
Up to 192 h
Talk Time Up to 14 h (2G)
Up to 8 h (3G)
Up to 14 h (2G)
Up to 9 h (3G)
Up to 10 h