13th Gen Core i9-13900K vs Ryzen 5 6600H with Radeon Graphics
Short answer: which is best?
13th Gen Core i9-13900K is 238.7 % stronger than Ryzen 5 6600H with Radeon Graphics. 13th Gen Core i9-13900K ranks #8 of 103 measured processors at WhatFPS (13,199 CPU score over 2 verified runs). Ryzen 5 6600H with Radeon Graphics ranks #93 of 103 measured processors at WhatFPS (3,897 CPU score over 1 verified runs). The numbers are measured in 3 verified WhatFPS runs — not estimated, not self-reported.
Measured comparison
| Metric | 13th Gen Core i9-13900K | Ryzen 5 6600H with Radeon Graphics |
|---|---|---|
| CPU score (the processor's own performance) | 13,199 | 3,897 |
| Best rig (GAMING — whole PC) | 10,782 | 2,402 |
| Integer (MT) | 12.5 Gop/s | 2.6 Gop/s |
| Single-thread (1T) | 0.88 Gop/s | 0.28 Gop/s |
| Draw calls/s (DX11) | 9,342,700 | 4,352,578 |
| Cores / threads | 24 / 32 | 6 / 12 |
| L3 cache | 36 MB | 16 MB |
Fragz' verdict
The 13th Gen Core i9-13900K is the clear winner in this CPU showdown, leading the Ryzen 5 6600H with Radeon Graphics by a massive 238.7% in overall CPU score, though both components have thin sample sizes of only one or two verified runs. This dominance is evident across the board, with the i9-13900K achieving 12.5 Gop/s in multi-threaded integer operations compared to 2.6 Gop/s for the Ryzen, and a significantly higher 0.88 Gop/s in single-thread performance versus 0.28 Gop/s. For gamers, this means the i9-13900K will deliver substantially higher framerates, as seen in its 77.9 FPS in our Supernova DX11 test and 9,342,700 draw calls per second, crucial metrics for gaming performance, especially considering its 6119 MHz peak clock and 24 cores. The Ryzen 5 6600H, with its 3897 CPU score and 2484 MHz peak clock, is ranked significantly lower at 87 out of 93, making it a much more modest option. While the Ryzen might be suitable for less demanding tasks or systems, the 13th Gen Core i9-13900K is unequivocally the superior choice for high-performance gaming and heavy workloads.
Generated October 31, 2026 from the 3 verified runs available then. The verdict is never silently rewritten — new numbers get a new verdict.
What the numbers mean
The CPU score is the processor's own performance — that is what we rank on. GAMING is the whole rig's score in the best PC we measured the processor in, and leans heavily on the graphics card. A strong processor in a weak PC gets a low GAMING score without being worse. We show both and never mix them.
All numbers come from our benchmark suite: four hand-built 3D scenes written directly against the graphics APIs in Rust, the same load on every PC. The methodology is open at https://whatfps.com/metodik
All measurements for 13th Gen Core i9-13900K · All measurements for Ryzen 5 6600H with Radeon Graphics