Inside the Samsung Galaxy S III you will find the Intel Wireless PMB9811X Gold Baseband that was also used in the Samsung Galaxy S II. Wi-Fi is handled by the Broadcom BMC 4330 and GPS belongs to the Broadcom BCM47511 Monolithic GNSS receiver. The NXP PN544 NFC Chip is on board for NFC support, obviously. SkyWorks is represented with the SKY77604 Multi-Mode / Multi-Band Power Amplifier.
reveal their role in the infrastructure of the phone, such as the Melfas 8PL533 Touch Screen Controller, the Wolfson WM1811AE Audio Codec and the Maxim Max77686 Power Management IC. Other parts inside the Samsung Galaxy S III include the Maxim Max 77693, which is a device that handles a multitude of chores such as PMIC, MUIC, and the flash LED control. You will also find inside the handset the Audience 305B voice processor, the Silicon Image 9224BO RF Transmitter and the STMicroelectronics STD03 AMOLED Display Driver.
One thing we left out until now is the Sony 8 Mp 1.4 µm back-illuminated primary (rear facing) image sensor.The reason why we saved that for last is because you will also find the same exact sensor in the Apple iPhone 4S. Finally, Android and Apple fans have a way to compare Apples to, uh, Apples if only just with the camera. No sense in trying to discern from users which camera takes the best pictures because everyone will vote along party lines.
source: Chipworks, iFixit via Pocketlint