Phone Comparison - Lenovo A390 vs Lenovo A706 vs Asus Zenfone 4

general General Info

Manufacturer Lenovo Lenovo Asus
Announced April 2013 2013 January 2014
Status Available - April 2013 Available - 2013 Available - June 2014
Colors Black, White Black, White/Grey Black, White, Red, Blue, Yellow
Form Factor Candybar Candybar Candybar
Dimension 125.6 x 64 x 10.1 mm
(4.94 x 2.52 x 0.4 in)
136 x 69 x 10.4 mm
(5.35 x 2.72 x 0.41 in)
124.4 x 61.4 x 6.3-11.2
(4.9 x 2.42 x 0.25-0.44)
Weight 131 g (4.62 oz) 130 g (4.59 oz) 115 g (4.06 oz)
2G Network GSM 900 / 1800 - SIM 1 & SIM 2 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
GSM 850 / 1800 / 1900
GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 2100 HSDPA 900 / 2100
HSDPA 850 / 1900
HSDPA 850 / 900 / 1900 / 2100
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Android OS, v4.0.4 (Ice Cream Sandwich) Android OS, v4.1 (Jelly Bean) Android OS, v4.3 (Jelly Bean), upgradable to v4.4.2 (KitKat)
Processor Dual-core 1 GHz, MTK 6577 Quad-core 1.2 GHz, Qualcomm MSM8225Q Snapdragon Dual-core 1.2 GHz, Intel Atom Z2520
GPU PowerVR SGX531 Adreno 203 PowerVR SGX544MP2
RAM 512 MB 1 GB 1 GB
Internal Memory 4 GB 4 GB 8 GB
External Memory microSD, up to 32 GB microSD, up to 32 GB microSD, up to 64 GB

display Display

Type Capacitive touchscreen IPS LCD capacitive touchscreen LCD Capacitive Touchscreen, Corning Gorilla Glass 3
Colors - 16M colors 16M colors
Size 4.0 inches 4.5 inches 4.0 inches
Resolution 480 x 800 pixels (233 ppi) 480 x 854 pixels (218 ppi) 480 x 800 pixels (233 ppi)
Screen-to-Body Ratio 56.77% 59.30% 59.74%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM radio FM radio FM Radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 5 MP, 2592 х 1944 pixels 5 MP, 2592x1944 pixels 5 MP, 2592 x 1944 pixels
Flash No LED flash No
Features Geo-tagging Auto focus, Geo-tagging Auto focus, Geo-tagging, Panorama
Video Yes Yes Yes, 1080p@30fps
Front Camera No [Similar] Yes, VGA [Similar] Yes, VGA [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, HSUPA HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps
Bluetooth Yes Yes, v3.0 Yes, v4.0 with A2DP, EDR
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual band Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot
USB Yes, microUSB v2.0 Yes, microUSB v2.0 Yes, microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS support Yes, with A-GPS support
Browser HTML5 HTML HTML

memory User Memory

Internal 4 GB, 512 MB RAM 4 GB, 1 GB RAM 8 GB, 1 GB RAM
Expandable Storage microSD, up to 32 GB 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 Li-Ion Battery Li-Po Battery Li-Po Battery
Capacity 1500 mAh 2000 mAh 1200/1600 mAh
Stand by Up to 220 h (2G)
Up to 180 h (3G)
Up to 230 h (2G)
Up to 180 h (3G)
Up to 192 h
Talk Time Up to 14 h (2G)
Up to 9 h (3G)
Up to 16 h (2G)
Up to 14 h (3G)
Up to 10 h