Intel Core i5-10400 vs Intel Core i9-10900K
30.4Single-core41.9
32.2Multi-core48.2
36Gamingspec-based54.6
2 spec wins — Intel Core i5-1040014 spec wins — Intel Core i9-10900K
InnoReviews verdict
Intel Core i9-10900K wins this desktop processor face-off, 47.9 to 32.6, pulling ahead mainly in multi-core (+16) and single-core (+12). Intel Core i5-10400 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 i5-10400
- 48% lower Base TDP: 65 W vs 125 W
- Has Cooler included — the other doesn't
- Lower launch price: $182 vs $488
Reasons to pick the Intel Core i9-10900K
- Stronger single-core score: 42 vs 30
- Stronger multi-core score: 48 vs 32
- 104% higher Cinebench R23 (multi): 16,300 vs 8,000
- 88% higher PassMark: 23,700 vs 12,600
- 87% higher Max turbo power: 250 W vs 134 W
General
| Spec | Intel Core i5-10400 | Intel Core i9-10900K |
|---|---|---|
| Announced | 2020 | 2020 |
| Socket | LGA1200 | LGA1200 |
| Process | 14 nm | 14 nm |
| Base TDP | 65 W+48% | 125 W |
| Max turbo power | 134 W | 250 W+87% |
| Unlocked multiplier | No | Yes |
| Cooler included | Yes | No |
Cores & Clocks
| Spec | Intel Core i5-10400 | Intel Core i9-10900K |
|---|---|---|
| Cores | 6 | 10+67% |
| Performance cores | 6 | 10+67% |
| Efficiency cores | 0 | 0 |
| Threads | 12 | 20+67% |
| Base clock | 2.9 GHz | 3.7 GHz+28% |
| Boost clock | 4.3 GHz | 5.3 GHz+23% |
| L2 cache | 2 MB | 3 MB+67% |
| L3 cache | 12 MB | 20 MB+67% |
Integrated GPU
| Spec | Intel Core i5-10400 | Intel Core i9-10900K |
|---|---|---|
| iGPU | Intel UHD Graphics 630 | Intel UHD Graphics 630 |
| iGPU clock | 1,100 MHz | 1,200 MHz |
Memory
| Spec | Intel Core i5-10400 | Intel Core i9-10900K |
|---|---|---|
| Memory support | DDR4-2666 | DDR4-2933 |
| Max memory | 128 GB | 128 GB |
| Memory channels | 2 | 2 |
Platform
| Spec | Intel Core i5-10400 | Intel Core i9-10900K |
|---|---|---|
| PCIe version | 3 | 3 |
| CPU PCIe lanes | 16 | 16 |
Benchmarks
| Spec | Intel Core i5-10400 | Intel Core i9-10900K |
|---|---|---|
| Geekbench 6 (single) | 1,390Bottom 23% | 1,730+24%Bottom 42% |
| Geekbench 6 (multi) | 5,800Bottom 27% | 10,400+79%Top 50% |
| Cinebench R23 (single) | 1,100Bottom 16% | 1,340+22%Bottom 38% |
| Cinebench R23 (multi) | 8,000Bottom 25% | 16,300+104%Top 40% |
| PassMark | 12,600Bottom 19% | 23,700+88%Bottom 43% |
Related comparisons
Intel 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 3100VSIntel 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 i7-11700KVS