Phone Comparison - Samsung I9100 Galaxy S II vs Samsung Galaxy Ace 2 vs LG Optimus L7 II

general General Info

Manufacturer Samsung Samsung LG
Announced February 2011 February 2012 February 2013
Status Available - April 2011 Available - May 2012 Available - March 2013
Colors Black, White, Pink Black Black, White
Form Factor Candybar Candybar Candybar
Dimension 125.3 x 66.1 x 8.5 mm
(4.93 x 2.6 x 0.33 in)
118.3 x 62.2 x 10.5 mm
(4.66 x 2.45 x 0.41 in)
121.5 x 66.6 x 9.7 mm
(4.78 x 2.62 x 0.38 in)
Weight 116 g (4.09 oz) 122 g (4.3 oz) 118 g (4.16 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
GSM 850 / 900 / 1800 / 1900 - LG Optimus L7 II Dual (SIM 1 & SIM 2)
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 900 / 2100 HSDPA 900 / 1900 / 2100
Messaging SMS, MMS, IM SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Android OS, v2.3 (Gingerbread), planned upgrade to v4.0 Android OS, v2.3 Android OS, v4.1 (Jelly Bean)
Processor Dual-core 1.2GHz ARM Cortex-A9 processor, Exynos chipset Dual-core 800 MHz, NovaThor U8500 Dual-core 1 GHz Cortex-A5, Qualcomm MSM8225 Snapdragon
GPU Mali-400MP Mali-400MP Adreno 203
RAM 1 GB 768 MB 768 MB
Internal Memory 16 GB/32 GB storage 4 GB storage 4 GB
External Memory microSD, up to 32GB, 8 GB included microSD, up to 32GB microSD, up to 32 GB

display Display

Type Super AMOLED Plus capacitive touchscreen PLS TFT capacitive touchscreen IPS LCD, capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.3 inches 3.8 inches 4.3 inches
Resolution 480 x 800 pixels (217 ppi) 480 x 800 pixels (246 ppi) 480 x 800 pixels (217 ppi)
Screen-to-Body Ratio 63.52% 55.64% 65.02%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 8 MP, 3264x2448 pixels 5 MP, 2592x1944 pixels 8 MP, 3264 x 2448 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization Auto focus, Geo-tagging, Face And Smile Detection Auto focus, Geo-tagging
Video Yes, 1080p@30fps Yes, 720p@30fps Yes, 720p@30fps
Front Camera Yes, 2 MP [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 Yes Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps
Edge Class 12 Yes Class 12
3G HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSDPA, 14.4 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
Bluetooth Yes, v3.0+HS Yes, v3.0 with A2DP Yes, v3.0 with A2DP
Wi-Fi Wi-Fi 802.11 a/b/g/n, DLNA, Wi-Fi Direct, Wi-Fi hotspot 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
USB Yes, v2.0 microUSB (MHL), USB On-the-go Yes, v2.0 microUSB Yes, microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS support and GLONASS Yes, with A-GPS support
Browser HTML HTML HTML

memory User Memory

Internal 16GB/32GB storage, 1 GB RAM 4 GB storage, 768 MB RAM 4 GB, 768 MB RAM
Expandable Storage microSD, up to 32GB, 8 GB included microSD, up to 32GB microSD, up to 32 GB
USB OTG Supported - -

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 Standard battery, Li-Ion Li-Ion Battery
Capacity 1650 mAh 1500 mAh 2460 mAh
Stand by Up to 710 h (2G)
Up to 610 h (3G)
Up to 670 h (2G)
Up to 640 h (3G)
Up to 800 h (3G)
Talk Time Up to 18 h 20 min (2G)
Up to 8 h 40 min (3G)
Up to 16 h 20 min (2G)
Up to 7 h 30 min (3G)
Up to 12 h (3G)