Intel Core i5-10400 vs Intel Core Ultra 5 245K
30.4Single-core83.2
32.2Multi-core70.2
36Gamingspec-based58.4
2 spec wins — Intel Core i5-1040019 spec wins — Intel Core Ultra 5 245K
InnoReviews verdict
Intel Core Ultra 5 245K wins this desktop processor face-off, 71.2 to 32.6, pulling ahead mainly in single-core (+53) and multi-core (+38). 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 $309
Reasons to pick the Intel Core Ultra 5 245K
- Stronger single-core score: 83 vs 30
- Stronger multi-core score: 70 vs 32
- 1633% higher L2 cache: 26 MB vs 2 MB
- 242% higher PassMark: 43,049 vs 12,600
- 213% higher Cinebench R23 (multi): 25,066 vs 8,000
General
| Spec | Intel Core i5-10400 | Intel Core Ultra 5 245K |
|---|---|---|
| Announced | 2020 | 2024 |
| Socket | LGA1200 | LGA1851 |
| Process | 14 nm | 3 nm+79% |
| Base TDP | 65 W+48% | 125 W |
| Max turbo power | 134 W | 159 W+19% |
| Unlocked multiplier | No | Yes |
| Cooler included | Yes | No |
Cores & Clocks
| Spec | Intel Core i5-10400 | Intel Core Ultra 5 245K |
|---|---|---|
| Cores | 6 | 14+133% |
| Performance cores | 6 | 6 |
| Efficiency cores | 0 | 8 |
| Threads | 12 | 14+17% |
| Base clock | 2.9 GHz | 4.2 GHz+45% |
| Boost clock | 4.3 GHz | 5.2 GHz+21% |
| L2 cache | 2 MB | 26 MB+1633% |
| L3 cache | 12 MB | 24 MB+100% |
Integrated GPU
| Spec | Intel Core i5-10400 | Intel Core Ultra 5 245K |
|---|---|---|
| iGPU | Intel UHD Graphics 630 | Intel Graphics |
| iGPU clock | 1,100 MHz | 1,900 MHz |
Memory
| Spec | Intel Core i5-10400 | Intel Core Ultra 5 245K |
|---|---|---|
| Memory support | DDR4-2666 | DDR5-6400 |
| Max memory | 128 GB | 256 GB+100% |
| Memory channels | 2 | 2 |
Platform
| Spec | Intel Core i5-10400 | Intel Core Ultra 5 245K |
|---|---|---|
| PCIe version | 3 | 5+67% |
| CPU PCIe lanes | 16 | 24+50% |
Benchmarks
| Spec | Intel Core i5-10400 | Intel Core Ultra 5 245K |
|---|---|---|
| Geekbench 6 (single) | 1,390Bottom 23% | 3,040+119%Top 17% |
| Geekbench 6 (multi) | 5,800Bottom 27% | 17,575+203%Top 23% |
| Cinebench R23 (single) | 1,100Bottom 16% | 2,132+94%Top 17% |
| Cinebench R23 (multi) | 8,000Bottom 25% | 25,066+213%Top 20% |
| PassMark | 12,600Bottom 19% | 43,049+242%Top 22% |
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 Ultra 5 245Kvs AMD Ryzen 7 9700XVSIntel Core Ultra 5 245Kvs AMD Ryzen 9 5950XVSIntel Core Ultra 5 245Kvs AMD Ryzen 7 7800X3DVSIntel Core Ultra 5 245Kvs Intel Core i9-12900KVS