SiSoftware, who you know from SANDRA software had an article online for the AMD Ryzen 7 2700X & Ryzen 5 2600. In the content, benchmarks have been posted based on Sandra results, that means no gaming results.

SiSoft has tested a Ryzen 7 2700X and 5 2600, you, however, should focus on the performance metrics between a Ryzen 7 1700X and the new Ryzen 7 2700X. You'll notice comparative variances running into 10 to even 20% depending on the target workload, which is not bad really. According to the SiSoftware reviewer Ryzen 2000 brings noticeable improvements in bandwidth and latency, perhaps even further finetuned with future firmware releases. Ryzen 2000 also bumped up the default memory frequency, with 2933 MHz DDR4 memory:

SiSoft 'Ryzen2 is a great update that will not disappoint upgraders and is likely to increase AMD’s market share. AMD is here to stay!' Ironically all All Ryzen 7 2700X SiSoft benchmarks are still available here. For Ryzen 5 2600X values go here. Check the benchmarks below, all based on synthetic Sandra runs. Props to videocardz for this spot.

AMD Ryzen 7 2700X and 5 2600 Benchmarks got posted in a SiSoftware Review