Tom's Hardware Guide published a review on AMD Ryzen 7 1700 CPU
A quote from the article:
AMD claims that Ryzen 7 1700 is the most efficient eight-core CPU available, and at $330, it's undoubtedly the cheapest one with modern amenities. We think it can match its bigger brothers with a decent overclock. Let's put it to the test.AMD Ryzen 7 1700 CPU Review @ Toms Hardware