There are two versions of the Samsung Galaxy S3 on the market. The internatiol version has Samsung’s own quad core processor, but doesn’t support LTE connectivity.

A different version (for example for the US market) has a dual core 1.5 GHz processor but does support LTE.

Here are the specifications for the International Edition:

GeneralOfficial NameSamsung Galaxy S III
Code namei9300
Release dateMay 4 2012
Operating systemAndroid 4.0.4 (will be upgraded to Android 4.1)
BodyDimensions136.6 x 70.6 x 8.6 mm
Weight133 grams
DisplayTypeSuper AMOLED capacitive touchscreen
Size4.8 inch, 1280×720 pixels
DPI306 pixels per inch
multi-touchYes
ProtectionCorning Gorilla Glass 2
BatterysizeLi-Ion 2100maH
stand-by time590 h (2G) / 790 h (3G)
talk time21 h 40 min (2G) / 11 h 40 min (3G)
HardwareChipsetExynos 4212 Quad
CPUQuad-core 1.4 GHz Cortex-A9
GPUMali-400MP
CameraPrimary8 MP, 3264×2448 pixels, flash, Video: 1080p with 30fps
Secondary1.9MP, Video: 720p at 30fps
MemoryRAM1GB
Internal storage16/32/64 GB versions available
Card slotMicroSD (max of 64GB)
ConnectivityGPRSYes
EdgeYes
HSPDAYes
WLANWi-Fi 802.11 a/b/g/n, DLNA, Wi-Fi Direct, Wi-Fi hotspot
BluetoothYes, v4.0 with A2DP, EDR
NFCYes
USBYes, microUSB v2.0 (MHL), USB On-the-go