Samsung Galaxy S3 Detail

Dimension

136.6 x 70.6 x 8.6 mm

133g

Display

4.8 inch HD Super AMOLED
  (1280x720) display

Network/Bearer and
Wireless Connectivity

2.5G (GSM/ GPRS/ EDGE): 850 / 900 /
  1800 / 1900 MHz

3G (HSPA＋ 21Mbps): 850 / 900 /
  1900 / 2100 MHz

4G (Dependent on market)

Memory

16/ 32GB User memory (64GB available
   soon) ＋ microSD slot (up to 64GB)

Colour

Pebble Blue and Marble White

Services and Applications

S Beam, Buddy photo share, Share shot

AllShare Play, AllShare Cast (available soon)

Smart stay, Social tag, Group tag, Face zoom,
  Face slide show

Direct call, Smart alert, Tap to top,
  Camera quick access

Pop up play

S Voice

Burst shot & Best photo, Recording snapshot,
  HDR

OS

Android 4.0 (Ice Cream Sandwich)

Battery

2,100 mAh

Connectivity

WiFi a/b/g/n, WiFi HT40

GPS/GLONASS

NFC

Bluetooth® 4.0(LE)

Audio and Video

Audio Codec: MP3, AMR-NB/WB, AAC/AAC＋/eAAC
  ＋, WMA, OGG, FLAC, AC-3, apt-X

Video Codec: MPEG4, H.264, H.263, DivX, DivX3.11,
  VC-1, VP8, WMV7/8, Sorenson Spark Recording &
  Playback: Full HD (1080p) 

Camera

Main(Rear): 8 Mega pixel Auto Focus camera with
   Flash & Zero Shutter Lag, BSI

Sub (Front): 1.9 Mega pixel camera, HD recording
  @30fps with Zero Shutter Lag, BSI

Sensors

Accelerometer, RGB light, Digital compass,
  Proximity, Gyro, Barometer

Google™ Mobile Services

Google Search, Google Maps, Gmail, Google
  Latitude

Google Play Store, Google Play Books, Google Play
  Movies

Google Plus, YouTube, Google Talk, Google Places,
  Google Navigation, Google Downloads

http://www.samsung.com/global/galaxys3/gallery.html

Via : www.Samsung.com