When it comes to a gaming CPU, it turns out less is more.
is one of three 3D V-cache equipped Zen 4 processors, but it, like this review, has arrived fashionably late to the party started by the Ryzen 9 7900X3D and Ryzen 9 7950X3D at the end of February. And the 7800X3D has made quite the entrance.
While it’s poised to be “the best gaming CPU” within its category, a multitude of 3rd party tests – including our own–show that the 7800X3D is an absolute problem child–upsetting the whole CPU hierarchy in gaming performance by matching or beating the performance of both Intel’s Core i9-13900K and AMD’s 7950X3D.This is all a bit confusing, so we’re going to need to dive into some exposition on 3D V-cache and how these CPUs work first… and there is going to be a bit of it.
AMD’s 3D V-cache technology takes those thicc n’ beefy Zen 4 cores that we know and love, slims them down ever so slightly, and stacks an extra layer of L3 cache on top of the chiplet without increasing the overall vertical height of the CPU. This design allows the CPU die to have direct access to the cache, providing a faster memory resource than your system RAM.
In gaming scenarios, this buffed up cache helps the CPU when rapid access to random data is essential. Because player-driven actions are a random process, the 3D V-cache assists your CPU by recalling textures, animations, game physics, character placement, and more. While system RAM assists with this as well, the latency is much lower because instructions don’t have to travel far. The end result is better overall gaming performance.
This system allows the V-cache equipped CCX to shine in gaming scenarios while the heftier, high clocked CCX does the heavy lifting in productivity. It’s a revolutionary system, but in day-to-day operations, it is rather inconsistent.The Ryzen 7 7800X3D, however, only has a single CCX. It does not need to be told which CCX to prioritize and which one to park because there is no division.
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