Intel Core i9-10900K vs Intel Core i9-9900K
41.9Single-core40.4
48.2Multi-core41.2
54.6Gamingspec-based47.4
14 spec wins — Intel Core i9-10900K1 spec wins — Intel Core i9-9900K
InnoReviews verdict
Intel Core i9-10900K wins this desktop processor face-off, 47.9 to 42.5, pulling ahead mainly in multi-core (+7) and single-core (+2). Intel Core i9-9900K 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 i9-10900K
- Stronger multi-core score: 48 vs 41
- 110% higher Max turbo power: 250 W vs 119 W
- 31% higher Cinebench R23 (multi): 16,300 vs 12,400
- 27% higher PassMark: 23,700 vs 18,600
- 25% higher cores: 10 vs 8
Reasons to pick the Intel Core i9-9900K
- 24% lower Base TDP: 95 W vs 125 W
General
| Spec | Intel Core i9-10900K | Intel Core i9-9900K |
|---|---|---|
| Announced | 2020 | 2018 |
| Socket | LGA1200 | LGA1151-v2 |
| Process | 14 nm | 14 nm |
| Base TDP | 125 W | 95 W+24% |
| Max turbo power | 250 W+110% | 119 W |
| Unlocked multiplier | Yes | Yes |
| Cooler included | No | No |
Cores & Clocks
| Spec | Intel Core i9-10900K | Intel Core i9-9900K |
|---|---|---|
| Cores | 10+25% | 8 |
| Performance cores | 10+25% | 8 |
| Efficiency cores | 0 | 0 |
| Threads | 20+25% | 16 |
| Base clock | 3.7 GHz+3% | 3.6 GHz |
| Boost clock | 5.3 GHz+6% | 5 GHz |
| L2 cache | 3 MB+25% | 2 MB |
| L3 cache | 20 MB+25% | 16 MB |
Integrated GPU
| Spec | Intel Core i9-10900K | 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 i9-10900K | Intel Core i9-9900K |
|---|---|---|
| Memory support | DDR4-2933 | DDR4-2666 |
| Max memory | 128 GB | 128 GB |
| Memory channels | 2 | 2 |
Platform
| Spec | Intel Core i9-10900K | Intel Core i9-9900K |
|---|---|---|
| PCIe version | 3 | 3 |
| CPU PCIe lanes | 16 | 16 |
Benchmarks
| Spec | Intel Core i9-10900K | Intel Core i9-9900K |
|---|---|---|
| Geekbench 6 (single) | 1,730+1%Bottom 42% | 1,720Bottom 41% |
| Geekbench 6 (multi) | 10,400+18%Top 50% | 8,800Bottom 44% |
| Cinebench R23 (single) | 1,340+5%Bottom 38% | 1,280Bottom 31% |
| Cinebench R23 (multi) | 16,300+31%Top 40% | 12,400Bottom 47% |
| PassMark | 23,700+27%Bottom 43% | 18,600Bottom 32% |
Related comparisons
Intel Core i9-10900Kvs AMD Ryzen 5 5600VSIntel Core i9-10900Kvs Intel Core i5-12400VSIntel Core i9-10900Kvs Intel Core i5-12400FVSIntel Core i9-10900Kvs Intel Core i7-11700KVSIntel Core i9-9900Kvs AMD Ryzen 5 3600XVSIntel Core i9-9900Kvs AMD Ryzen 5 5600GVSIntel Core i9-9900Kvs Intel Core i7-10700KVSIntel Core i9-9900Kvs Intel Core i5-11600KVS