AMD Ryzen 9 9900X3D vs Intel Core i9-9900K
—Single-core40.4
86.2Multi-core41.2
93.8Gamingspec-based47.4
13 spec wins — AMD Ryzen 9 9900X3D1 spec wins — Intel Core i9-9900K
InnoReviews verdict
No overall winner yet: AMD Ryzen 9 9900X3D lacks the published benchmark results an Inno Score requires, so there is no Inno Score to compare — we don't rank chips on their spec sheet alone. The spec table below still shows every difference we track.
Which would you pick?
Key differences
Reasons to pick the AMD Ryzen 9 9900X3D
- Stronger multi-core score: 86 vs 41
- 700% higher L3 cache: 128 MB vs 16 MB
- 500% higher L2 cache: 12 MB vs 2 MB
- 201% higher PassMark: 56,050 vs 18,600
- 100% higher Max memory: 256 GB vs 128 GB
Reasons to pick the Intel Core i9-9900K
- 21% lower Base TDP: 95 W vs 120 W
- Lower launch price: $488 vs $599
General
| Spec | AMD Ryzen 9 9900X3D | Intel Core i9-9900K |
|---|---|---|
| Announced | 2025 | 2018 |
| Socket | AM5 | LGA1151-v2 |
| Process | 4 nm+71% | 14 nm |
| Base TDP | 120 W | 95 W+21% |
| Max turbo power | — | 119 W |
| Unlocked multiplier | Yes | Yes |
| Cooler included | No | No |
Cores & Clocks
| Spec | AMD Ryzen 9 9900X3D | Intel Core i9-9900K |
|---|---|---|
| Cores | 12+50% | 8 |
| Performance cores | 12+50% | 8 |
| Efficiency cores | 0 | 0 |
| Threads | 24+50% | 16 |
| Base clock | 4.4 GHz+22% | 3.6 GHz |
| Boost clock | 5.5 GHz+10% | 5 GHz |
| L2 cache | 12 MB+500% | 2 MB |
| L3 cache | 128 MB+700% | 16 MB |
Integrated GPU
| Spec | AMD Ryzen 9 9900X3D | Intel Core i9-9900K |
|---|---|---|
| iGPU | AMD Radeon Graphics (2 CU RDNA 2) | Intel UHD Graphics 630 |
| iGPU clock | 2,200 MHz | 1,200 MHz |
Memory
| Spec | AMD Ryzen 9 9900X3D | Intel Core i9-9900K |
|---|---|---|
| Memory support | DDR5-5600 | DDR4-2666 |
| Max memory | 256 GB+100% | 128 GB |
| Memory channels | 2 | 2 |
Platform
| Spec | AMD Ryzen 9 9900X3D | Intel Core i9-9900K |
|---|---|---|
| PCIe version | 5+67% | 3 |
| CPU PCIe lanes | 28+75% | 16 |
Benchmarks
| Spec | AMD Ryzen 9 9900X3D | Intel Core i9-9900K |
|---|---|---|
| Geekbench 6 (single) | — | 1,720Bottom 42% |
| Geekbench 6 (multi) | — | 8,800Bottom 45% |
| Cinebench R23 (single) | — | 1,280Bottom 32% |
| Cinebench R23 (multi) | — | 12,400Bottom 47% |
| PassMark | 56,050+201%Top 12% | 18,600Bottom 32% |
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