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AMD Ryzen 7 2700X and Ryzen 5 2600X Review

By Steven Bassiri from Apr 19, 2018 @ 8:00 CDT
TweakTown Rating: 94%Manufacturer: AMD

Process and Product Improvements





AMD is using Global Foundries 12nm LP process for their new CPUs. AMD has reported a 250MHz lift in clocks, with all core overclockers around 4.2GHz. We also see an estimated 50mv reduction at any clock, so if you were able to maintain 4GHz at 1.35v on a 1800X, then you should be able to do 4GHz at 1.3v with a 2700X.




The chart above shows that at the same clock speed (3.5Ghz) the 2600X uses 11% less power than the 1600X. At the same power (65W), it offers 16% better performance. These gains are impressive.





Major improvements were made to improve latency, both in the cache and memory. One of Ryzen's biggest problems was latency, and it seems that they have sped this up. They were able to reconfigure different transistors with higher performance but higher leakage in certain pathways to improve overall latency performance that helps IPC. AMD states they have gained 3% more IPC out of the 2700X compared to the 1800X.




AMD also maintained a solder internal heat spreader, which should make many people quite happy since it will help with overclocking.




AMD is also offering up Precision Boost 2, which has made a big difference in regards to overall performance. On the 1800X you would get two cores boosted up to maximum, and then once you used more than three threads, the CPU would drop to a significantly lower multiplier. That isn't the case anymore, the CPU won't just automatically drop frequencies because of thread usage, it will scale more linearly, and this is due to the improved process allowing for higher frequencies.




Now, we know that Precision Boost 2 will scale cores depending on thread usage much better than it's predecessor, but now we will talk a bit about XFR 2. Extended Frequency Range 2 utilizes the CPU's internal sensors, especially temperature, to allow for higher performance. If you cool down the processor well, it will basically overclock itself up safely. With the 130W capable Wraith Prism, you will get 4% more performance than if you used a 95W cooler. If you reduce ambient temperature even more with a beefier cooler, you can get 7% more performance with XFR 2.

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