Sony Ericsson has released the white paper for the beautiful new Xperia arc handset. Amongst other things, it confirms the full specifications of the handset including the fact that it will be powered by a MSM8255 Qualcomm Snapdragon chip.
This 1GHz chipset is one of the latest from Qualcomm and is the same chip that powers the HTC Desire HD. The 45nm processor uses the Adreno 205 GPU, which is meant to offer significant improvements over the Adreno 200 GPU found in the Xperia X10. The white paper also confirms that the phone will come with 512MB of phone memory. You can download the full PDF of the white paper here.