Phone Comparison - LG Optimus L9 vs LG Optimus L7 P700 vs Acer Liquid E2 Duo

general General Info

Manufacturer LG LG Acer
Announced August 2012 February 2012 April 2013
Status Available - November 2012 Released - May 2012 Coming Soon - May 2013
Colors White Black, White Black, White
Form Factor Candybar Candybar Candybar
Dimension 131.9 x 68.2 x 9.1 mm
(5.19 x 2.69 x 0.36 in)
125.5 x 67 x 8.7 mm
(4.94 x 2.64 x 0.34 in)
131 x 68 x 9.9 mm
(5.16 x 2.68 x 0.39 in)
Weight 125 g (4.41 oz) 122 g (4.3 oz) 140 g (4.94 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 900 / 1900 / 2100 HSDPA 900 / 1900 / 2100 HSDPA
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail

hardware Hardware and OS

OS Android OS, v4.0.4 (Ice Cream Sandwich) Android OS, v4.0.3 (Ice Cream Sandwich), upgradeable to 4.1.2 (Jelly Bean) Android OS, v4.2.1 (Jelly Bean)
Processor Dual-core 1 GHz Cortex-A9, TI OMAP 4430 1 GHz Cortex-A5, Qualcomm MSM7227A Snapdragon Quad-core 1.2 GHz Cortex-A7, MTK 6589
GPU PowerVR SGX540 Adreno 200 PowerVR SGX 544MP
RAM 1 GB 512 MB 1 GB
Internal Memory 4 GB 4 GB storage (2.4 GB user available) 4 GB
External Memory microSD, up to 32 GB microSD, up to 32 GB microSD, up to 32 GB

display Display

Type IPS LCD, capacitive touchscreen IPS LCD, capacitive touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.7 inches 4.3 inches 4.5 inches
Resolution 540 x 960 pixels (234 ppi) 480 x 800 pixels (217 ppi) 540 x 960 pixels (245 ppi)
Screen-to-Body Ratio 67.90% 62.57% 62.55%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 5 MP, 2592 x 1944 pixels 5 MP, 2592 x 1944 pixels 8 MP, 3264 x 2448 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging Auto focus, Geo-tagging, Touch Focus Auto focus, Geo-tagging
Video Yes Yes, VGA@30fps Yes, 1080p@30fps
Front Camera Yes, VGA [Similar] Yes [Similar] Yes, 2 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps Yes
Edge Class 12 Class 12 Yes
3G HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSPA+
Bluetooth Yes, with A2DP Yes, v3.0 with A2DP Yes, v3.0 with A2DP, EDR
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot, DLNA Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot, DLNA Wi-Fi 802.11 a/b/g/n, dual band, 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, Adobe Flash Lite HTML

memory User Memory

Internal 4 GB, 1 GB RAM 4 GB storage (2.4 GB user available), 512 MB RAM 4 GB, 1 GB RAM
Expandable Storage microSD, up to 32 GB 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 not supported NFC supported NFC not supported

battery Battery

Type Standard battery, Li-Ion Li-Ion battery Li-Ion Battery
Capacity 2150 mAh 1700 mAh 2000 mAh
Stand by - Up to 550 h Up to 450 h
Talk Time - Up to 6 h Up to 9 h