Intel Core i9-9900K vs Intel Core Ultra 5 250KF Plus
40.4Single-core—
41.2Multi-core79.9
47.4Gamingspec-based64.4
2 spec wins — Intel Core i9-9900K14 spec wins — Intel Core Ultra 5 250KF Plus
InnoReviews verdict
No overall winner yet: Intel Core Ultra 5 250KF Plus 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 Intel Core i9-9900K
- 33% higher Performance cores: 8 vs 6
- 24% lower Base TDP: 95 W vs 125 W
Reasons to pick the Intel Core Ultra 5 250KF Plus
- Stronger multi-core score: 80 vs 41
- 1400% higher L2 cache: 30 MB vs 2 MB
- 174% higher PassMark: 51,037 vs 18,600
- 125% higher cores: 18 vs 8
- 100% higher Max memory: 256 GB vs 128 GB
- Lower launch price: $204 vs $488
General
| Spec | Intel Core i9-9900K | Intel Core Ultra 5 250KF Plus |
|---|---|---|
| Announced | 2018 | 2026 |
| Socket | LGA1151-v2 | LGA1851 |
| Process | 14 nm | 3 nm+79% |
| Base TDP | 95 W+24% | 125 W |
| Max turbo power | 119 W | 159 W+34% |
| Unlocked multiplier | Yes | Yes |
| Cooler included | No | No |
Cores & Clocks
| Spec | Intel Core i9-9900K | Intel Core Ultra 5 250KF Plus |
|---|---|---|
| Cores | 8 | 18+125% |
| Performance cores | 8+33% | 6 |
| Efficiency cores | 0 | 12 |
| Threads | 16 | 18+13% |
| Base clock | 3.6 GHz | 4.2 GHz+17% |
| Boost clock | 5 GHz | 5.3 GHz+6% |
| L2 cache | 2 MB | 30 MB+1400% |
| L3 cache | 16 MB | 30 MB+88% |
Integrated GPU
| Spec | Intel Core i9-9900K | Intel Core Ultra 5 250KF Plus |
|---|---|---|
| iGPU | Intel UHD Graphics 630 | — |
| iGPU clock | 1,200 MHz | — |
Memory
| Spec | Intel Core i9-9900K | Intel Core Ultra 5 250KF Plus |
|---|---|---|
| Memory support | DDR4-2666 | DDR5-7200 |
| Max memory | 128 GB | 256 GB+100% |
| Memory channels | 2 | 2 |
Platform
| Spec | Intel Core i9-9900K | Intel Core Ultra 5 250KF Plus |
|---|---|---|
| PCIe version | 3 | 5+67% |
| CPU PCIe lanes | 16 | 24+50% |
Benchmarks
| Spec | Intel Core i9-9900K | Intel Core Ultra 5 250KF Plus |
|---|---|---|
| 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 | 18,600Bottom 32% | 51,037+174%Top 16% |
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