Intel Core i7-8700K vs Intel Core Ultra 5 245K
37.3Single-core83.2
34.7Multi-core70.2
38.5Gamingspec-based58.4
1 spec wins — Intel Core i7-8700K17 spec wins — Intel Core Ultra 5 245K
InnoReviews verdict
Intel Core Ultra 5 245K wins this desktop processor face-off, 71.2 to 36.4, pulling ahead mainly in single-core (+46) and multi-core (+36). Intel Core i7-8700K still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the Intel Core i7-8700K
- 24% lower Base TDP: 95 W vs 125 W
Reasons to pick the Intel Core Ultra 5 245K
- Stronger single-core score: 83 vs 37
- Stronger multi-core score: 70 vs 35
- 1633% higher L2 cache: 26 MB vs 2 MB
- 300% higher Max memory: 256 GB vs 64 GB
- 210% higher PassMark: 43,049 vs 13,900
- Lower launch price: $309 vs $359
General
| Spec | Intel Core i7-8700K | Intel Core Ultra 5 245K |
|---|---|---|
| Announced | 2017 | 2024 |
| Socket | LGA1151-v2 | LGA1851 |
| Process | 14 nm | 3 nm+79% |
| Base TDP | 95 W+24% | 125 W |
| Max turbo power | — | 159 W |
| Unlocked multiplier | Yes | Yes |
| Cooler included | No | No |
Cores & Clocks
| Spec | Intel Core i7-8700K | Intel Core Ultra 5 245K |
|---|---|---|
| Cores | 6 | 14+133% |
| Performance cores | 6 | 6 |
| Efficiency cores | 0 | 8 |
| Threads | 12 | 14+17% |
| Base clock | 3.7 GHz | 4.2 GHz+14% |
| Boost clock | 4.7 GHz | 5.2 GHz+11% |
| L2 cache | 2 MB | 26 MB+1633% |
| L3 cache | 12 MB | 24 MB+100% |
Integrated GPU
| Spec | Intel Core i7-8700K | Intel Core Ultra 5 245K |
|---|---|---|
| iGPU | Intel UHD Graphics 630 | Intel Graphics |
| iGPU clock | 1,200 MHz | 1,900 MHz |
Memory
| Spec | Intel Core i7-8700K | Intel Core Ultra 5 245K |
|---|---|---|
| Memory support | DDR4-2666 | DDR5-6400 |
| Max memory | 64 GB | 256 GB+300% |
| Memory channels | 2 | 2 |
Platform
| Spec | Intel Core i7-8700K | Intel Core Ultra 5 245K |
|---|---|---|
| PCIe version | 3 | 5+67% |
| CPU PCIe lanes | 16 | 24+50% |
Benchmarks
| Spec | Intel Core i7-8700K | Intel Core Ultra 5 245K |
|---|---|---|
| Geekbench 6 (single) | 1,560Bottom 34% | 3,040+95%Top 17% |
| Geekbench 6 (multi) | 6,800Bottom 36% | 17,575+158%Top 23% |
| Cinebench R23 (single) | 1,270Bottom 30% | 2,132+68%Top 17% |
| Cinebench R23 (multi) | 9,200Bottom 32% | 25,066+172%Top 20% |
| PassMark | 13,900Bottom 23% | 43,049+210%Top 22% |
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