![]() Performing Over the Limit and Exceeding Expectation In this review, we put AMD’s biggest claim for “Zen 3″-gaming performance leadership-to the test, along with our vast suite of CPU benchmarks to investigate whether AMD has wholly and comprehensively defeated Intel. AMD also ensured that the increased IPC on the same 7 nm process doesn’t translate into a higher power draw, with the Ryzen 9 5900X shipping with the same 105 W TDP as its predecessor, the 3900X. Existing motherboards based on AMD 500-series or 400-series chipsets will work with the new Ryzen 5000 Series processors after a BIOS update. Unlike the competition, AMD isn’t launching a new chipset with Zen 3. Making of the AMD Ryzen 9 3900X Processor IPC is the single biggest contributor to gaming performance, and the 19% claimed IPC gain over “Zen 2” should mean AMD has taken the gaming crown since the “Zen 2” architecture wasn’t too far behind “Comet Lake” at gaming to begin with. Even within the CPU core, AMD has worked to reduce latencies, improved branch-prediction, optimized the execution engine, fattened the front-end and load/store units, and deployed faster caches, which has a direct impact on IPC, or single-thread performance. ![]() The biggest change with “Zen 3” has to be the company doing away with the 4-core CCX and unifying all cores of the CPU chipset into a single 8-core CCX. Ryzen 9 5900X’s CPU cores are built on the same 7 nm silicon fabrication process as the Ryzen 3000 “Zen 2” processor, but with several refinements to the microarchitecture. The Ryzen 9 5900X is a 12-core/24-thread processor AMD is pricing at $549, about the same as the current Core i9-10900K street price. ![]()
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