Phone Comparison - LG Optimus L9 vs LG Optimus L7 II Dual P715 vs Samsung Galaxy Ace 3 S7270

general General Info

Manufacturer LG LG Samsung
Announced August 2012 February 2013 June 2013
Status Available - November 2012 Available - March 2013 Available - Q3 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)
122.2 x 66.6 x 9.7 mm
(4.81 x 2.62 x 0.38 in)
121.2 x 62.7 x 9.8 mm
(4.77 x 2.47 x 0.39 in)
Weight 125 g (4.41 oz) 115.5 g (4.06.0.18 oz) 115 g (4.06 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 900 / 2100
Messaging SMS, MMS, Push Mail, 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, v4.1.2 (Jelly Bean) Android OS, v4.2 (Jelly Bean)
Processor Dual-core 1 GHz Cortex-A9, TI OMAP 4430 Dual-core 1 GHz Cortex-A5, Qualcomm MSM8225 Snapdragon Dual-core 1 GHz
GPU PowerVR SGX540 Adreno 203 -
RAM 1 GB 768 MB 1 GB
Internal Memory 4 GB 4 GB 4 GB (1.77 GB user available)
External Memory microSD, up to 32 GB microSD, up to 32 GB microSD, up to 64 GB

display Display

Type IPS LCD, capacitive touchscreen IPS LCD capacitive touchscreen TFT capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.7 inches 4.3 inches 4.0 inches
Resolution 540 x 960 pixels (234 ppi) 480 x 800 pixels (217 ppi) 480 x 800 pixels (233 ppi)
Screen-to-Body Ratio 67.90% 64.64% 60.05%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 5 MP, 2592 x 1944 pixels 8 MP, 3264 x 2448 pixels 5 MP, 2592x1944 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging Auto focus, Geo-tagging Auto focus, Sound & Shot, Best Shot, Best Photo, Geo-tagging, Face And Smile Detection
Video Yes Yes, 720p@30fps Yes, 720p@30fps
Front Camera Yes, VGA [Similar] Yes, VGA [Similar] Yes, VGA [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, 7.2 Mbps; HSUPA, 5.76 Mbps HSDPA 14.4 Mbps, HSUPA 5.76 Mbps
Bluetooth Yes, with A2DP Yes, v3.0 with A2DP Yes, v4.0 with A2DP
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 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 HTML5

memory User Memory

Internal 4 GB, 1 GB RAM 4 GB, 768 MB RAM 4 GB (1.77 GB user available), 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 Standard battery, Li-Ion Li-Ion Battery Li-Ion Battery
Capacity 2150 mAh 2460 mAh 1500 mAh
Stand by - Up to 800 h (3G) -
Talk Time - Up to 12 h (3G) -