Intel Core i7-8700K vs Intel Core i9-9900K
37.3Single-core40.4
34.7Multi-core41.2
38.5Gamingspec-based47.4
1 spec wins — Intel Core i7-8700K13 spec wins — Intel Core i9-9900K
InnoReviews verdict
Intel Core i9-9900K wins this desktop processor face-off, 42.5 to 36.4, pulling ahead mainly in multi-core (+7) and single-core (+3). 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
- Lower launch price: $359 vs $488
Reasons to pick the Intel Core i9-9900K
- Stronger single-core score: 40 vs 37
- Stronger multi-core score: 41 vs 35
- 100% higher Max memory: 128 GB vs 64 GB
- 35% higher Cinebench R23 (multi): 12,400 vs 9,200
- 34% higher PassMark: 18,600 vs 13,900
General
| Spec | Intel Core i7-8700K | Intel Core i9-9900K |
|---|---|---|
| Announced | 2017 | 2018 |
| Socket | LGA1151-v2 | LGA1151-v2 |
| Process | 14 nm | 14 nm |
| Base TDP | 95 W | 95 W |
| Max turbo power | — | 119 W |
| Unlocked multiplier | Yes | Yes |
| Cooler included | No | No |
Cores & Clocks
| Spec | Intel Core i7-8700K | Intel Core i9-9900K |
|---|---|---|
| Cores | 6 | 8+33% |
| Performance cores | 6 | 8+33% |
| Efficiency cores | 0 | 0 |
| Threads | 12 | 16+33% |
| Base clock | 3.7 GHz+3% | 3.6 GHz |
| Boost clock | 4.7 GHz | 5 GHz+6% |
| L2 cache | 2 MB | 2 MB+33% |
| L3 cache | 12 MB | 16 MB+33% |
Integrated GPU
| Spec | Intel Core i7-8700K | Intel Core i9-9900K |
|---|---|---|
| iGPU | Intel UHD Graphics 630 | Intel UHD Graphics 630 |
| iGPU clock | 1,200 MHz | 1,200 MHz |
Memory
| Spec | Intel Core i7-8700K | Intel Core i9-9900K |
|---|---|---|
| Memory support | DDR4-2666 | DDR4-2666 |
| Max memory | 64 GB | 128 GB+100% |
| Memory channels | 2 | 2 |
Platform
| Spec | Intel Core i7-8700K | Intel Core i9-9900K |
|---|---|---|
| PCIe version | 3 | 3 |
| CPU PCIe lanes | 16 | 16 |
Benchmarks
| Spec | Intel Core i7-8700K | Intel Core i9-9900K |
|---|---|---|
| Geekbench 6 (single) | 1,560Bottom 33% | 1,720+10%Bottom 41% |
| Geekbench 6 (multi) | 6,800Bottom 35% | 8,800+29%Bottom 44% |
| Cinebench R23 (single) | 1,270Bottom 29% | 1,280+1%Bottom 31% |
| Cinebench R23 (multi) | 9,200Bottom 32% | 12,400+35%Bottom 47% |
| PassMark | 13,900Bottom 23% | 18,600+34%Bottom 32% |
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