Phone Comparison - Samsung Galaxy Ace 2 vs LG Optimus L9 vs Sony Xperia M Dual

general General Info

Manufacturer Samsung LG Sony
Announced February 2012 August 2012 June 2013
Status Available - May 2012 Available - November 2012 Available - September 2013
Colors Black White Black, White, Purple, Yellow
Form Factor Candybar Candybar Candybar
Dimension 118.3 x 62.2 x 10.5 mm
(4.66 x 2.45 x 0.41 in)
131.9 x 68.2 x 9.1 mm
(5.19 x 2.69 x 0.36 in)
124 x 62 x 9.3 mm
(4.88 x 2.44 x 0.37 in)
Weight 122 g (4.3 oz) 125 g (4.41 oz) 115 g (4.06 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (Both Versions)
3G Network HSDPA 900 / 2100 HSDPA 900 / 1900 / 2100 HSDPA 900 / 2100 - C2005
HSDPA 850 / 1700 / 1900 / 2100 - C2004
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Android OS, v2.3 Android OS, v4.0.4 (Ice Cream Sandwich) Android OS, v4.1 (Jelly Bean)
Processor Dual-core 800 MHz, NovaThor U8500 Dual-core 1 GHz Cortex-A9, TI OMAP 4430 Dual-core 1 GHz Krait, Qualcomm MSM8227
GPU Mali-400MP PowerVR SGX540 Adreno 305
RAM 768 MB 1 GB 1 GB
Internal Memory 4 GB storage 4 GB 4 GB
External Memory microSD, up to 32GB microSD, up to 32 GB microSD, up to 32 GB

display Display

Type PLS TFT capacitive touchscreen IPS LCD, capacitive touchscreen TFT capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 3.8 inches 4.7 inches 4.0 inches
Resolution 480 x 800 pixels (246 ppi) 540 x 960 pixels (234 ppi) 480 x 854 pixels (245 ppi)
Screen-to-Body Ratio 55.64% 67.90% 57.31%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 5 MP, 2592x1944 pixels 5 MP, 2592 x 1944 pixels 5 MP, 2592х1944 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Face And Smile Detection Auto focus, Geo-tagging Auto focus, Geo-tagging, Touch Focus, Image Stabilization, HDR, Panorama
Video Yes, 720p@30fps Yes Yes, 720p@30fps
Front Camera Yes, VGA [Similar] Yes, VGA [Similar] Yes, VGA [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps Up to 86 kbps
Edge Yes Class 12 Up to 237 kbps
3G HSDPA, 14.4 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
Bluetooth Yes, v3.0 with A2DP Yes, with A2DP Yes, v4.0 with A2DP, ANT+
Wi-Fi Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi Direct, Wi-Fi hotspot 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 Direct, DLNA, Wi-Fi hotspot
USB Yes, v2.0 microUSB Yes, microUSB v2.0 Yes, microUSB v2.0
GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS support Yes, with A-GPS support
Browser HTML HTML5 HTML5

memory User Memory

Internal 4 GB storage, 768 MB RAM 4 GB, 1 GB RAM 4 GB, 1 GB RAM
Expandable Storage microSD, up to 32GB 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 not supported NFC supported

battery Battery

Type Standard battery, Li-Ion Standard battery, Li-Ion Li-Ion Battery
Capacity 1500 mAh 2150 mAh 1750 mAh
Stand by Up to 670 h (2G)
Up to 640 h (3G)
- Up to 498 h (2G)
Up to 454 h (3G)
Talk Time Up to 16 h 20 min (2G)
Up to 7 h 30 min (3G)
- Up to 10 h 16 min (2G)
Up to 9 h (3G)