Phone Comparison - Lenovo A390 vs Asus Zenfone 4 vs Samsung Galaxy Core 2 Duos

general General Info

Manufacturer Lenovo Asus Samsung
Announced April 2013 January 2014 June 2014
Status Available - April 2013 Available - June 2014 Available - July 2014
Colors Black, White Black, White, Red, Blue, Yellow White, Black
Form Factor Candybar Candybar Candybar
Dimension 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)
130.3 x 68 x 9.8 mm
(5.13 x 2.68 x 0.39 in)
Weight 131 g (4.62 oz) 115 g (4.06 oz) 138 g (4.87 oz)
2G Network GSM 900 / 1800 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 900 / 2100
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.0.4 (Ice Cream Sandwich) Android OS, v4.3 (Jelly Bean), upgradable to v4.4.2 (KitKat) Android OS, v4.4.2 (KitKat)
Processor Dual-core 1 GHz, MTK 6577 Dual-core 1.2 GHz, Intel Atom Z2520 Quad-core 1.2 GHz
GPU PowerVR SGX531 PowerVR SGX544MP2 -
RAM 512 MB 1 GB 768 MB
Internal Memory 4 GB 8 GB 4 GB
External Memory microSD, up to 32 GB microSD, up to 64 GB microSD, up to 64 GB

display Display

Type Capacitive touchscreen LCD Capacitive Touchscreen, Corning Gorilla Glass 3 TFT capacitive touchscreen
Colors - 16M colors 16M colors
Size 4.0 inches 4.0 inches 4.5 inches
Resolution 480 x 800 pixels (233 ppi) 480 x 800 pixels (233 ppi) 480 x 800 pixels (207 ppi)
Screen-to-Body Ratio 56.77% 59.74% 65.25%
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, 2592 x 1944 pixels 5 MP, 2592 х 1944 pixels
Flash No No LED flash
Features Geo-tagging Auto focus, Geo-tagging, Panorama Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection
Video Yes Yes, 1080p@30fps Yes
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, 42.2 Mbps; HSUPA, 5.76 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
Bluetooth Yes Yes, v4.0 with A2DP, EDR Yes, v4.0 with A2DP
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, 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 and GLONASS
Browser HTML5 HTML HTML

memory User Memory

Internal 4 GB, 512 MB RAM 8 GB, 1 GB RAM 4 GB, 768 MB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 64 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-Ion Battery
Capacity 1500 mAh 1200/1600 mAh 2000 mAh
Stand by Up to 220 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 10 h -