Final version of my article with analysis of data disclosed at APU13 and CES-2014, explanation for clocks, and so on is ready:
http://juanrga.com/en/AMD-kaveri-benchmark.html
Additional data here
http://openbenchmarking.org/result/1401145-PL-AMDA1078505
http://openbenchmarking.org/result/1401123-PL-AMDA1078581
Using the available benchmarks @4GHz the predictions made are in excellent agreement with final measurements
The Steamroller architecture performs poor than I expected in x264 and better in the other two, with an average deviation of 0% (average of -7%, 5%, and 1%). This is an excellent agreement between prediction and final measurements. This means that, in the average sense,
the Kaveri CPU performs as I predicted in this work.
However, final Kaveri silicon is clocked at 3.7GHz, and scores are a bit poor. For instance, Kaveri overclocked at 4GHz hits 94.45 in the x264 benchmark but only hits 90.34 at the stock frequency. This is a difference of -4% between stock and OC. Next, I present a series of benchmarks for Kaveri at stock.
In the first version of my article I compared the estimations made for Kaveri to measurements of two Sandy Bridge i5 and one Ivy Bridge i5. In this occasion, the Sandy Bridge i5-2400S is replaced by the Haswell i5-4670. This way we can compare the AMD Steamroller architecture to three successive generations of Intel iCore processors. Small differences between the scores shown below for the i5-2500K and the i5-3470 and the numbers used in the first version of this article are a consequence of improvements or an occasional regression in new versions of the software used.
As I predicted, Kaveri is at the Sandy Bridge i5 level in integer tests such as x264 but looses in heavily FP tests. However, Steamroller behaves better than I predicted in FP tests. There is
30% IPC gain compared to Piledriver. The explanation could be the short FPU pipeline (4-->3) and the faster L2 cache.
Special mention is the performance in JTR test. I predicted Kaveri would be faster than Ivy Bridge i5
and we can see that Kaveri even outperforms the Haswell i5-4670.
There are other interesting tests I have not included in my article. I will only mention that in a pair of tests the Kaveri
CPU was almost so fast as the FX-8350.
Kaveri is a good APU. and it behaves as I predicted.
What tourist reports is only the top of the iceberg. Most reviews of Kaveri have used W7 (optimized for Intel) instead W8.1, one of them took a 2400MHz memory kit and underclocked to 1600MHz before benchmarking Kaveri, all sites used AIDA64 3.xx versions when the new AIDA64 4.0 is HSA enabled, one of the review sites used a x264 binary which is specifically optimized for Intel (including Haswell extensions)...