AMD Ryzen 9 6900HS vs AMD Ryzen 5 8640HS

Ryzen 9 6900HS vs Ryzen 5 8640HS specs and performance

In our benchmarks, the Ryzen 9 6900HS beats the Ryzen 5 8640HS in overall performance. Despite this, the Ryzen 5 8640HS has the advantage in our gaming benchmark.

With info from our database, we find that the Ryzen 9 6900HS has slightly more cores with 8 cores whereas the Ryzen 5 8640HS has 6 cores. It also has more threads than the Ryzen 5 8640HS. Our comparison shows that the Ryzen 5 8640HS has a slightly higher clock speed compared to the Ryzen 9 6900HS. The cache sizes of these CPUs are different. Indeed, the Ryzen 5 8640HS has significantly more L2 cache than the Ryzen 9 6900HS. However, both these chips have the same amount of L3 cache.

Most CPUs have more threads than cores. This technology, colloquially called hyperthreading, improves performance by splitting a core into multiple virtual ones. This provides more efficient utilisation of a core. Indeed, the Ryzen 9 6900HS has more threads than cores. Each physical core is split into multiple threads.