Samsung has been very successful with its Galaxy S series.In 2010 they launch Galaxy S,2011 Galaxy Sll and finally in 2012 Galaxy Slll.Below is the comparison of specs of all three phones
Galaxy S
|
Galaxy S II
|
Galaxy S III
| ||
Announced/
Availability
|
March 2010 / Released June 2010
|
February 2011 / Released April 2011
|
May 2012 / Expected May 2012
| |
Processor
|
1GHz Single-Core
|
1.2GHz Dual-Core
|
Quad-core 1.4GHz
| |
RAM
|
512MB
|
1GB
|
1GB
| |
Storage
|
8 / 16GB
|
16 / 32GB,microSD expandable
|
16GB / 32GB / 64GB internal, microSD expandable
| |
Display
|
4 inch Super AMOLED
|
4.3 inch Super AMOLED Plus
|
4.8 inches HD Super AMOLED
| |
Display Resolution
|
400 x 800
|
480 x 800
|
1280 x 720
| |
Pixels per inch
|
233
|
217
|
306
| |
OS
|
Android 2.1
|
Android 2.3.4, upgraded to 4.0
|
Android 4.0
| |
Primary Camera
|
5MP
|
8MP
|
8 MP
| |
Secondary Camera
|
VGA
|
2MP
|
1.9 MP
| |
Video Recording
|
720p
|
1080p
|
1080p
| |
SIM
|
Normal sized SIM
|
Normal sized SIM
|
MicroSIM
| |
3G/4G
|
HSDPA,
|
HSDPA
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HSDPA, LTE model expected soon
| |
Battery
|
1,500mAh removable
|
1,650mAh removable
|
2,100mAh removable
| |
Weight
|
119gram
|
116gram
|
133 grams
| |
Dimensions
|
122.4 x 64.2 x 9.9mm
|
125.3 x 66.1 x 8.5 mm
|
136.6 x 70.6 x 8.6mm
| |
Sensors
|
GPS, Accelerometer, proximity, compass
|
GPS, Accelerometer, gyro, proximity, compass
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GPS, compass, accelerometer, gyroscope, barometer
|