Phone Comparison - Acer Iconia B1-720 vs Asus Zenfone 4 vs Lenovo A680

general General Info

Manufacturer Acer Asus Lenovo
Announced January 2014 January 2014 March 2014
Status Coming Soon - January 2014 Available - June 2014 Available - March 2014
Colors White, Black Black, White, Red, Blue, Yellow Black, White
Form Factor Candybar Candybar Candybar
Dimension - 124.4 x 61.4 x 6.3-11.2
(4.9 x 2.42 x 0.25-0.44)
145 x 73.5 x 10.8 mm
(5.71 x 2.89 x 0.43 in)
Weight - 115 g (4.06 oz) 165 g (5.82 oz)
2G Network N/A GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network N/A HSDPA 850 / 900 / 1900 / 2100 HSDPA 2100
Messaging , Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Android OS, v4.2 (Jelly Bean) Android OS, v4.3 (Jelly Bean), upgradable to v4.4.2 (KitKat) Android OS, v4.2.2 (Jelly Bean)
Processor Dual-core 1.3, Mediatek MT6572 Dual-core 1.2 GHz, Intel Atom Z2520 Quad-core 1.3 GHz, Mediatek MT6582M
GPU Mali-400MP PowerVR SGX544MP2 Mali-400MP2
RAM 1 GB 1 GB 1 GB
Internal Memory 16 GB 8 GB 4 GB ROM
External Memory microSD, up to 32 GB microSD, up to 64 GB microSD, up to 32 GB

display Display

Type TFT capacitive touchscreen LCD Capacitive Touchscreen, Corning Gorilla Glass 3 Capacitive Touchscreen, OnCell technology
Colors - 16M colors 16.7M colors
Size 7.0 inches 4.0 inches 5 inches
Resolution 600 x 1024 pixels (170 ppi) 480 x 800 pixels (233 ppi) 480 x 854 pixels (196 ppi)
Screen-to-Body Ratio - 59.74% 64.60%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio No FM Radio FM Radio with Recording
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera VGA, 640x480 pixels 5 MP, 2592 x 1944 pixels 5 MP, 2592 x 1944 pixels
Flash No No LED flash
Features - Auto focus, Geo-tagging, Panorama Fixed focus, Geo-tagging, Touch Focus, Face Detection, HDR
Video Yes Yes, 1080p@30fps Yes, 1080p@30fps
Front Camera No [Similar] Yes, VGA [Similar] Yes, VGA [Similar]

connectivity Connectivity and Data Rate

GPRS No Yes Yes
Edge No Yes Yes
3G No 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 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, USB On-the-go
GPS Yes Yes, with A-GPS support Yes, with A-GPS support
Browser HTML5 HTML HTML5

memory User Memory

Internal 16 GB, 1 GB RAM 8 GB, 1 GB RAM 4 GB ROM, 1 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 64 GB microSD, up to 32 GB
USB OTG - - Supported

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported fingerprint not supported
Proximity Sensor proximity sensor not 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 Non-removable battery Li-Po Battery Li-Po Battery
Capacity - 1200/1600 mAh 2000 mAh
Stand by - Up to 192 h Up to 312 h (2G)
Up to 348 h (3G)
Talk Time - Up to 10 h Up to 13 h (2G)
Up to 24 h (3G)