Intel Core i5-14400 vs Intel Core i7-5820K
—Single-core20.7
47.2Multi-core30.2
50.9Gamingspec-based37.1
13 spec wins — Intel Core i5-144004 spec wins — Intel Core i7-5820K
InnoReviews verdict
No overall winner yet: Intel Core i5-14400 lacks the published benchmark results an Inno Score requires, so there is no Inno Score to compare — we don't rank chips on their spec sheet alone. The spec table below still shows every difference we track.
Which would you pick?
Key differences
Reasons to pick the Intel Core i5-14400
- Stronger multi-core score: 47 vs 30
- 533% higher L2 cache: 10 MB vs 2 MB
- 200% higher Max memory: 192 GB vs 64 GB
- 97% higher PassMark: 25,033 vs 12,700
- 67% higher cores: 10 vs 6
- Lower launch price: $221 vs $389
Reasons to pick the Intel Core i7-5820K
- 100% higher Memory channels: 4 vs 2
- 40% higher CPU PCIe lanes: 28 vs 20
- 32% higher Base clock: 3.3 GHz vs 2.5 GHz
- Has Unlocked multiplier — the other doesn't
General
| Spec | Intel Core i5-14400 | Intel Core i7-5820K |
|---|---|---|
| Announced | 2024 | 2014 |
| Socket | LGA1700 | LGA2011-v3 |
| Process | 10 nm+55% | 22 nm |
| Base TDP | 65 W+54% | 140 W |
| Max turbo power | 148 W | — |
| Unlocked multiplier | No | Yes |
| Cooler included | Yes | No |
Cores & Clocks
| Spec | Intel Core i5-14400 | Intel Core i7-5820K |
|---|---|---|
| Cores | 10+67% | 6 |
| Performance cores | 6 | 6 |
| Efficiency cores | 4 | 0 |
| Threads | 16+33% | 12 |
| Base clock | 2.5 GHz | 3.3 GHz+32% |
| Boost clock | 4.7 GHz+31% | 3.6 GHz |
| L2 cache | 10 MB+533% | 2 MB |
| L3 cache | 20 MB+33% | 15 MB |
Integrated GPU
| Spec | Intel Core i5-14400 | Intel Core i7-5820K |
|---|---|---|
| iGPU | Intel UHD Graphics 730 | — |
| iGPU clock | 1,550 MHz | — |
Memory
| Spec | Intel Core i5-14400 | Intel Core i7-5820K |
|---|---|---|
| Memory support | DDR5-4800 / DDR4-3200 | DDR4-2133 |
| Max memory | 192 GB+200% | 64 GB |
| Memory channels | 2 | 4+100% |
Platform
| Spec | Intel Core i5-14400 | Intel Core i7-5820K |
|---|---|---|
| PCIe version | 5+67% | 3 |
| CPU PCIe lanes | 20 | 28+40% |
Benchmarks
| Spec | Intel Core i5-14400 | Intel Core i7-5820K |
|---|---|---|
| Geekbench 6 (single) | — | 1,040Bottom 6% |
| Geekbench 6 (multi) | — | 5,100Bottom 24% |
| Cinebench R23 (single) | — | 890Bottom 5% |
| Cinebench R23 (multi) | — | 6,400Bottom 19% |
| PassMark | 25,033+97%Bottom 47% | 12,700Bottom 20% |
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