When it comes to the Intel Core i9-13900K, it too outperforms the 7950X3D in single core performance, with the 7950X3D running about 12% slower than the 13900K on average. Both chips are phenomenal multitaskers, and though the 7950X has consistently stronger single core scores than the 7950X3D, the 7950X3D performs better with multi core performance than its non-3D V-Cache counterpart. When it comes to the synthetic benchmarks, there's very little difference between the 7950X3D and the 7950X. Synthetic performance scores: 7950X3D vs 13900K Header Cell - Column 0 This is mostly from the lower frequency on the 3D V-Cache cores (as well as some other optimizations), meaning that the 7950X3D can use less power overall to get the same or better performance.
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In practice, this seems to work very well behind the scenes without any adjustments from the user beyond installing the upgraded drivers when you install the chip, but there still might be some optimizations that need to be worked out, especially when it comes to benchmark tests, but we'll get to that in a minute.įinally, the last major difference is the lower TDP on the 7950X3D compared to the 7950X (120W to 125W). The 16 cores are split between two dies: one eight-core die with access to 3D V-Cache at a lower clock frequency, and another eight-core die without the extra cache but with a fully enabled clock speed.ĪMD's chip drivers automatically detect if a program or game will benefit from having a faster clock frequency or access to more cache and assigns the process to the cores best suited for the task. The other difference in terms of those dies is that not every core has access to this additional V-Cache.
Generally, more cache is better, and the 7950X3D has more cache than any consumer processor available today. The more cache a processor has, the fewer trips to RAM it needs to make for data or instructions, which greatly improves performance for many common tasks. For starters, there is obviously 3D V-Cache on the 7950X3D, which slaps a extra slab of cache memory across one of the compute dies in the chip package, adding 64MB 元 Cache to the already substantial 80MB that the 7950X had.Ĭache is simply a very direct form of working memory that the processor keeps close by for instructions and data that it is using at that very moment. If you've got a 12th-gen Intel chip, though, making the jump to the AM5 platform for this processor alone is going to be a pricey upgrade.Īs far as the chip itself, there isn't a whole lot of difference between this processor and its non-3D sibling in terms of architecture, so if you want more of a deep dive into AMD Zen 4, definitely check out my AMD Ryzen 9 7950X review for further info.įor brevity's sake, I'll keep things to the three major differences between the two chips. When you factor in the cost of upgrading to the new AM5 platform, the Ryzen 9 7950X3D only makes sense if you are upgrading from an AMD Zen 3 or 11th-gen Intel processor or earlier, since you'll need to buy a whole new setup to get a newer processor from either brand. This also makes it more expensive than the Intel Core i9-13900K, which has an MSRP of $589 / £699 / AU$929. We don't have UK and Australia pricing yet, but it will likely run about the same as the MSRP for the Ryzen 9 7950X, which is £649 / AU$1,139. The AMD Ryzen 9 7950X3D is available globally as of February 28, 2023, and will cost you $699 in the US.
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