Alleged AMD Ryzen 9 9950X 16 Core “Zen 5” CPU Benchmarked In AIDA64 With DDR5-8000 Memory, Up To 45% Faster Than 7950X

AMD's flagship Ryzen 9 9950X CPU with 16 Zen 5 cores has allegedly been tested in AIDA64 benchmark by a user at Anandtech Forums.

AMD Ryzen 9 9950X Flagship "Zen 5" CPU Tested In AIDA64 Tests, ES Chip Running DDR5-8000 Memory & Up To 45% Faster Versus 7950X

The alleged benchmarks come from Anandtech forum member, igor_kavinski, who reportedly got the test results from someone who had access to an early engineering sample of the AMD Ryzen 9 9950X CPU. The user was running the chip on an AM5 motherboard with DDR5-8000 memory that was operating with CL34-45-40-42 timings.

The AMD Ryzen 9 9950X "100-000001277" CPU is the flagship offering with two Zen 5 CCDs and a single IOD. The CPU offers 16 cores, 32 threads, a base clock of 4.3 GHz, and a max boost clock of up to 5.7 GHz. It comes with 80 MB of cache (64 MB L3 + 16 MB L2) and has a TDP of 170W. Now in terms of clock speed, while the boost clock is identical to the Ryzen 9 7950X, the base clock is slightly dialed down by -200 MHz but we can expect a lot of efficiency coming out of this flagship product, especially in terms of multi-threaded performance.

As for performance, the AMD Ryzen 9 9950X CPU was benchmarked within AIDA64 across three tests which include AES, FP32, and FP64 workloads. The benchmark already included performance numbers for the Ryzen 9 9950X and the Core i9-13900K so it was easy to showcase the overall CPU improvement across these three workloads and they are quite superb.

​Test	7950X​	13900K​	7975WX​
AES​	45+​	55+​	11+​
FP32​	39+​	60+​	-13​
FP64​	39+​	60+​	-16​

While the benchmark itself showcased almost 2x performance gains in these aspects, the actual performance of the chip may not showcase similar gains since applications and workloads aren't based entirely on such instructions and use multiple different parts of the chip. These are also the floating point figures so we can see a different story in the integer performance tests but one thing is for sure, Zen 5 does offer a significant gain through its brand new architecture and we can't wait to see more of it in action when the product launches next month.

Another benchmark where the chip was tested is LinX where the chip scored 1657 GFLOPs using tuned DDR5 memory (6400 MT/s / 26-36-32-30). These are early performance numbers based on engineering samples so final chips may offer even better results in the same workloads.

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