AMD Ryzen 9 9900X3D vs Intel Core i5-10400
—Single-core30.4
86.2Multi-core32.2
93.8Gamingspec-based36
14 spec wins — AMD Ryzen 9 9900X3D2 spec wins — Intel Core i5-10400
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 32
- 967% higher L3 cache: 128 MB vs 12 MB
- 700% higher L2 cache: 12 MB vs 2 MB
- 345% higher PassMark: 56,050 vs 12,600
- 100% higher cores: 12 vs 6
Reasons to pick the Intel Core i5-10400
- 46% lower Base TDP: 65 W vs 120 W
- Has Cooler included — the other doesn't
- Lower launch price: $182 vs $599
General
| Spec | AMD Ryzen 9 9900X3D | Intel Core i5-10400 |
|---|---|---|
| Announced | 2025 | 2020 |
| Socket | AM5 | LGA1200 |
| Process | 4 nm+71% | 14 nm |
| Base TDP | 120 W | 65 W+46% |
| Max turbo power | — | 134 W |
| Unlocked multiplier | Yes | No |
| Cooler included | No | Yes |
Cores & Clocks
| Spec | AMD Ryzen 9 9900X3D | Intel Core i5-10400 |
|---|---|---|
| Cores | 12+100% | 6 |
| Performance cores | 12+100% | 6 |
| Efficiency cores | 0 | 0 |
| Threads | 24+100% | 12 |
| Base clock | 4.4 GHz+52% | 2.9 GHz |
| Boost clock | 5.5 GHz+28% | 4.3 GHz |
| L2 cache | 12 MB+700% | 2 MB |
| L3 cache | 128 MB+967% | 12 MB |
Integrated GPU
| Spec | AMD Ryzen 9 9900X3D | Intel Core i5-10400 |
|---|---|---|
| iGPU | AMD Radeon Graphics (2 CU RDNA 2) | Intel UHD Graphics 630 |
| iGPU clock | 2,200 MHz | 1,100 MHz |
Memory
| Spec | AMD Ryzen 9 9900X3D | Intel Core i5-10400 |
|---|---|---|
| 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 i5-10400 |
|---|---|---|
| PCIe version | 5+67% | 3 |
| CPU PCIe lanes | 28+75% | 16 |
Benchmarks
| Spec | AMD Ryzen 9 9900X3D | Intel Core i5-10400 |
|---|---|---|
| Geekbench 6 (single) | — | 1,390Bottom 23% |
| Geekbench 6 (multi) | — | 5,800Bottom 27% |
| Cinebench R23 (single) | — | 1,100Bottom 16% |
| Cinebench R23 (multi) | — | 8,000Bottom 25% |
| PassMark | 56,050+345%Top 12% | 12,600Bottom 19% |
Related comparisons
AMD Ryzen 9 9900X3Dvs AMD Ryzen 9 7900X3DVSAMD Ryzen 9 9900X3Dvs AMD Ryzen 9 7950X3DVSAMD Ryzen 9 9900X3Dvs AMD Ryzen 9 9900XVSAMD Ryzen 9 9900X3Dvs AMD Ryzen 9 9950X3DVSIntel Core i5-10400vs Intel Core i7-5960XVSIntel Core i5-10400vs Intel Core i5-10400FVSIntel Core i5-10400vs Intel Core i5-9600KVSIntel Core i5-10400vs AMD Ryzen 3 3100VS