Samsung has just announced yesterday the successor to the existing Samsung Exynos Processor 4210 which exists in their flagship Galaxy S II phone. The new processor is called the Exynos Processor 4212 which is a dual-core Arm Cortex A9 that is clocked at 1.5 Ghz. It includes Samsung's own 32nm High-K Metal Gate low-power process making it 30% more power efficient than the original 4210.
Besides that, the chip also adds in a 50% improved graphics processing capability compared to the original. There's also rumours going around that the upcoming Nexus Prime may be sporting this chip and may be unveiled in the October 11 Samsung Mobile Unpacked 2011 conference in San Diego. We'll know more when the time comes. Stay tuned.