AMD Ryzen 9 5900X CPU Review

The Fastest in the Game

Memory & Cache Testing

AIDA64 Engineer Edition

“FinalWire Ltd. today announced the immediate availability of AIDA64 Extreme Edition 1.50 software, a streamlined diagnostic and benchmarking tool for home users; and the immediate availability of AIDA64 Business Edition 1.50 software, an essential network management solution for small and medium scale enterprises. The new AIDA64 update implements AVX-optimized benchmarks for the upcoming Intel Sandy Bridge processors, adds a brand-new video encoding benchmark, and supports the latest AMD and NVIDIA graphics processors.”

The memory performance of the Ryzen 9 5900X is quite impressive. While Intel still provides a lower latency monolithic architecture, AMD has closed the gap notably.com

L1 and L2 cache bandwidth are quite impressive, but the L3 cache doesn’t look as good in this benchmark. With up to 8 cores capable of accessing L3, real-world performance has jumped, even if this looks to the contrary.


Passmark Performance Test – Memory Mark – Threaded

“Fast, easy to use, PC speed testing, and benchmarking. PassMark Performance Test ™ allows you to objectively benchmark a PC using a variety of different speed tests and compare the results to other computers.”

AMD Ryzen 9 5900X CPU Review 6

The 5900X almost made us expand our chart again, scoring the highest of any dual channel CPU we’ve tested to date.


SiSoft Sandra – Memory Bandwidth – Aggregate.

“SiSoftware Sandra provides a robust package of diagnostic tools for testing your system and teasing out its problems–or potential headaches.”

AMD Ryzen 9 5900X CPU Review 7

All of our Dual Channel CPU’s score pretty similarly here, and you can certainly tell which are HEDT Quad-channel CPU’s.

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