Tom's Hardware Guide published a review on AMD A10-7890K APU
A quote from the article:
AMD's new A10-7890K represents the very top of the low-cost APU family. We're answering whether it can breathe new life into the line via online gaming, or if its small clock rate bump just isn't worth more money compared to the A10-7870K.AMD A10-7890K APU Review @ Toms Hardware