AMD Ryzen 9 7900X3D Review: 3D V-Cache’s Forgotten Middle Ground

AMD’s $599 12-core Ryzen 9 7900X3D is designed to take on Intel’s Core i9-13900K, which it beats in gaming by 7% on average, proving it has the chops to take on Intel’s finest. However, AMD has been uncharacteristically silent about this model — the company didn’t sample it to press and hasn’t shared any of the standard pre-launch benchmarks we’ve become accustomed to. Perhaps that’s because the 7900X3D’s biggest competitor resides in AMD’s own stable — the incredibly impressive flagship 16-core Ryzen 9 7950X3D that has taken the throne as the fastest gaming CPU on the market and the best CPU for gaming for the highest-end rigs. 

Like its pricier counterpart, the 7900X3D leverages AMD’s exotic second-gen 3D V-Cache to boost L3 capacity to a whopping 128MB, thus boosting gaming performance to previously-unseen heights. The Ryzen 9 7900X3D is geared specifically for gamers looking to blast through CPU-limited games, and while there are some tradeoffs in other types of work, it still has 12 cores to help power through heavy productivity workloads. 

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  Price Cores / Threads (P+E) P-Core Base / Boost Clock (GHz) Cache (L2/L3) TDP / PBP / MTP
Ryzen 9 7950X3D $699 16 / 32 4.2 / 5.7 144MB (16+128) 120W / 162W
Ryzen 9 7900X3D $599 12 / 24 4.4 / 5.6 140MB (12+128) 120W / 162W
Ryzen 7 7800X3D $449 8 /16 4.2 / 5.0 104MB (8+96) 120W / 162W
Ryzen 7 5800X3D $348 8 /16 3.4 / 4.5 104MB (8+96) 105W

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