The AMD Ryzen 7 5800X3D is a high-end gaming CPU. It’s an expensive CPU, costing $449 US, yet it outperforms Intel’s flagship Core i9-12900K, which costs $600 US+. If you’re a gamer wanting to replace an old AM4 platform with a new one, the Ryzen 7 5800X3D outperforms earlier Zen, Zen 2, and even existing Zen 3 CPUs.
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AMD Ryzen 7 5800X3D CPU Specifications
The AMD Ryzen 7 5800X3D features eight cores and sixteen threads in a single CCD. It has a base clock of 3.4 GHz and a boost frequency of 4.5 GHz, which is a little slower than the 4.7 GHz of the Non-3D Ryzen 7 5800X. The CPU features a TDP of 105W which is the same as the Ryzen 7 5800X. The CPU doesn’t offer any overclocking support which is because the voltage of the cache stack cannot exceed 1.35V.
The amount of cache on the two chips is the main difference. Within the vertical stacks, the AMD Ryzen 7 5800X3D will have 32 MB of L3 cache on-die and 64 MB of cache off-die. The CPU will have a single 3D V-Cache stack with 64 MB of L3 cache that sits on top of the TSVs that are already present on Zen 3 CCDs. This will offer the Zen 3 cores a total of 96 MB of L3 cache.
The Zen 3 CCD and V-Cache have been thinned out to match the Z-height of modern Zen 3 processors, rather than having different heights between the cores and the IOD. The V-Cache does not affect the core’s heat output and has minimal power up-ticks because it sits on top of the CCD L3 cache. While frequency is crucial, most games are latency-sensitive, thus adding additional cache was the most practical option, according to AMD.
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