A new AMD Ryzen 7 9800X3D benchmark has leaked, and it appears to show a substantial increase in clock speed compared to the new U's predecessor, the Ryzen 7 7800X3D. While the latter is an amazing gaming U, its 5GHz peak clock speed held it back in application benchmarks, but these newly leaked Cinebench results appear to show that this U can also hold its own in content creation tasks.
That means the AMD 9800X3D's single-threaded performance is also well ahead of that of the 7800X3D, suggesting a substantial increase in clock speed.
This latest rumor comes from a post on X (formerly Twitter) by tech leaker CodeCommando, who claims to have seen Cinebench R23 results for an eight-core Ryzen 9000X3D U, as well as a 16-core Ryzen 9000X3D chip. Assuming that AMD sticks to its current naming convention, these chips would be the Ryzen 7 9800X3D and Ryzen 9 9950X3D. If this leak is genuine, though, there's reason to be very excited about the Ryzen 7 9800X3D.
Of course, this is all based on leaks and rumors right now, and none of this information has been confirmed by AMD, so take it with a pinch of salt for the moment. However, CodeCommando does have previous good form with AMD U leaks. For example, back in May 2024, CodeCommando leaked the Ryzen 9000 U specs in a now-deleted post on X (formerly Twitter), including the surprisingly low 65W TDP for the Ryzen 5 9600X and Ryzen 7 9700X, and the leaked specs were all correct.
We'll start with the single-threaded result, which CodeCommando says is 2,145. If this is true, that's a massive 17.79% boost over the 7800X3D, which only scored 1,821 in our 9800X3D clock speed is significantly higher, and that appears to be backed up by this result.
Then there's the multi-threaded result, which CodeCommando says is 23,315, which is again a massively 28.28% higher than the result of 18,174 we got from the 7800X3D. Both chips have the same number of cores, so it looks as though the 9800X3D has a higher all-core clock speed than the 7800X3D, as well as a higher single-core boost frequency. Not only that, but the 9800X3D will also benefit from being based on the new AMD Zen 5 architecture.
Meanwhile, the Ryzen 9 9950X3D reportedly clocks up a massive Cinebench R23 multi-threaded score of 42,375. That's 10% quicker than the result of 38,422 we saw in our Ryzen 9 7950X review, and the latter isn't even an X3D chip. However, the 7950X3D still has a peak boost clock speed of up to 5.7GHz, which is much higher than that of the 7800X3D, so there's unlikely to be such a substantial difference between the 7950X3D and 9950X3D when it comes to application performance.
However, if this rumor is to be believed, the Ryzen 7 9800X3D looks set to be a fantastic U. Not only will its 3D V-cache make it a killer gaming chip, but if it also addresses the poor clock speed of the 7800X3D then it will also be a good all-purpose U.
In the meantime, if you're thinking about putting together a new rig when the 9800X3D launches, check out our full guide on how to build a gaming PC, where we take you through every step of the process.