Phone Comparison - Asus Google Nexus 7 vs Acer Liquid E2 Duo vs Lenovo S820

general General Info

Manufacturer Asus Acer Lenovo
Announced June 2012 April 2013 May 2013
Status Available - July 2012 Coming Soon - May 2013 Available - May 2013
Colors Black Black, White Flamingo red
Form Factor Candybar Candybar Candybar
Dimension 198.5 x 120 x 10.5 mm
(7.81 x 4.72 x 0.41 in)
131 x 68 x 9.9 mm
(5.16 x 2.68 x 0.39 in)
139.5 x 69.7 x 9 mm
(5.49 x 2.74 x 0.35 in)
Weight 340 g (11.99 oz) 140 g (4.94 oz) 143 g (5.04 oz)
2G Network N/A GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 / 1900
3G Network N/A HSDPA HSDPA 900 / 2100
Messaging , Push Mail, EMail, IM SMS, MMS, Push Mail, EMail SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.1 (Jelly Bean), upgradable to v4.1.2 Android OS, v4.2.1 (Jelly Bean) Android OS, v4.2 (Jelly Bean)
Processor Quad-core 1.3 GHz Cortex-A9, Nvidia Tegra 3 Quad-core 1.2 GHz Cortex-A7, MTK 6589 Quad-core 1.2 GHz, MTK 6589W
GPU ULP GeForce PowerVR SGX 544MP PowerVR SGX544
RAM 1 GB 1 GB 1 GB
Internal Memory 32 GB storage 4 GB 4 GB
External Memory No microSD, up to 32 GB microSD, up to 32 GB

display Display

Type LED-backlit IPS LCD capacitive touchscreen IPS LCD capacitive touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 7.0 inches 4.5 inches 4.7 inches
Resolution 800 x 1280 pixels (216 ppi) 540 x 960 pixels (245 ppi) 720 x 1280 pixels (312 ppi)
Screen-to-Body Ratio 59.45% 62.55% 62.82%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio No FM radio FM radio; built-in antenna
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker no yes yes

camera Camera

Rear Camera 1.2 MP 8 MP, 3264 x 2448 pixels 12 MP, 4000 x 3000 pixels
Flash No LED flash LED flash
Features Video-calling Auto focus, Geo-tagging Auto focus, Geo-tagging, Touch Focus, Face Detection
Video Yes, 720p Yes, 1080p@30fps Yes
Front Camera No [Similar] Yes, 2 MP [Similar] Yes, 2 MP [Similar]

connectivity Connectivity and Data Rate

GPRS No Yes Yes
Edge No Yes Yes
3G N/A HSPA+ HSDPA, HSUPA
Bluetooth Yes Yes, v3.0 with A2DP, EDR Yes, v3.0 with A2DP
Wi-Fi Wi-Fi 802.11 b/g/n Wi-Fi 802.11 a/b/g/n, dual band, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual band
USB Yes, microUSB v2.0 Yes, microUSB v2.0 Yes, microUSB v2.0
GPS Yes Yes, with A-GPS support Yes, with A-GPS support
Browser HTML, HTML5 HTML HTML

memory User Memory

Internal 32 GB storage, 1GB RAM 4 GB, 1 GB RAM 4 GB, 1 GB RAM
Expandable Storage No microSD, up to 32 GB microSD, up to 32 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 supported NFC not supported NFC not supported

battery Battery

Type Standard battery, Li-Ion Li-Ion Battery Li-Po Battery
Capacity 4325 mAh 2000 mAh 2000 mAh
Stand by 300 h Up to 450 h Up to 140 h (2G)
Up to 140 h (3G)
Talk Time Up to 10 h Up to 9 h Up to 22 h (2G)
Up to 10 h (3G)