Interesting article from Brightsideofnews. Post your thoughts on this.
In January AMD launched the Kaveri APU, which is the first APU product with HSA support. While until today only two desktop SKUs have been launched, with more planned down the road as well as a full notebook lineup, AMD is already working hard on the next generation APU. The new chip's codename is Carrizo and I had the chance to look at a document aimed at developers "Preliminary BIOS and Kernel Developer’s Guide (BKDG) for AMD Family 15h Models 60h-6Fh Processors“, which documents some of the new features of this APU.
The CPU cores will be upgraded from Steamroller to Excavator. Thanks to a patch AMD submitted to the GCC project last September, we know that Excavator will add support for AVX2, BMI2, MOVBE and RDRAND instruction set extensions. Except for the TSX extensions found on select models, this brings the core to feature parity with Haswell. Other than that not much is known about any enhancements Excavator will bring to the table. The document I have seen is vague and only mentions "IPC/Architectural changes" which alludes to the optimizations AMD has planned for Excavator back when the roadmap for the Bulldozer architecture was laid out. No further changes regarding cache sizes are mentioned.
The GPU of Carrizo will stay largely the same as in Kaveri. The document mentions "Volcanic Island tiles", which technically Kaveri also has as it is architecturally on the same level as the Hawaii GPU. While I don't want to preclude that it contains architectural tweaks not mentioned in this document, for now no information on any such enhancements is known. It is not mentioned whether the number of CUs will change. Given we know that Carrizo will be manufactured at the 28nm node, albeit a different process than Kaveri, it is unlikely AMD adds more compute units to the GPU...............
Finish reading the rest here Exclusive: AMD's Carrizo APU Details Leaked - SoC for The Mainstream - Bright Side Of News*