The new Galaxy S II is just 8.49mm thick as compared to original Galaxy S� 9.9mm. Also, the phone has a 4.3-inch Super AMOLED Plus display, Dual-core 1.2GHz ARM Cortex-A9 proccessor, Mali-400MP GPU, Orion chipset, Android 2.3 OS (Gingerbread), HSPA+, Bluetooth 3.0, Wi-Fi 802.11b/g/n and weighs just 116g.