AMD Ryzen 7 5800X3D vs Intel Core i7-5820K
47.9Single-core20.7
48.2Multi-core30.2
87.5Gamingspec-based37.1
17 spec wins — AMD Ryzen 7 5800X3D3 spec wins — Intel Core i7-5820K
InnoReviews verdict
AMD Ryzen 7 5800X3D wins this desktop processor face-off, 57.9 to 29.1, pulling ahead mainly in single-core (+27) and multi-core (+18). Intel Core i7-5820K still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the AMD Ryzen 7 5800X3D
- Stronger single-core score: 48 vs 21
- Stronger multi-core score: 48 vs 30
- 540% higher L3 cache: 96 MB vs 15 MB
- 167% higher L2 cache: 4 MB vs 2 MB
- 122% higher Cinebench R23 (multi): 14,200 vs 6,400
Reasons to pick the Intel Core i7-5820K
- 100% higher Memory channels: 4 vs 2
- 17% higher CPU PCIe lanes: 28 vs 24
- Has Unlocked multiplier — the other doesn't
- Lower launch price: $389 vs $449
General
| Spec | AMD Ryzen 7 5800X3D | Intel Core i7-5820K |
|---|---|---|
| Announced | 2022 | 2014 |
| Socket | AM4 | LGA2011-v3 |
| Process | 7 nm+68% | 22 nm |
| Base TDP | 105 W+25% | 140 W |
| Max turbo power | 142 W | — |
| Unlocked multiplier | No | Yes |
| Cooler included | No | No |
Cores & Clocks
| Spec | AMD Ryzen 7 5800X3D | Intel Core i7-5820K |
|---|---|---|
| Cores | 8+33% | 6 |
| Performance cores | 8+33% | 6 |
| Efficiency cores | 0 | 0 |
| Threads | 16+33% | 12 |
| Base clock | 3.4 GHz+3% | 3.3 GHz |
| Boost clock | 4.5 GHz+25% | 3.6 GHz |
| L2 cache | 4 MB+167% | 2 MB |
| L3 cache | 96 MB+540% | 15 MB |
Memory
| Spec | AMD Ryzen 7 5800X3D | Intel Core i7-5820K |
|---|---|---|
| Memory support | DDR4-3200 | DDR4-2133 |
| Max memory | 128 GB+100% | 64 GB |
| Memory channels | 2 | 4+100% |
Platform
| Spec | AMD Ryzen 7 5800X3D | Intel Core i7-5820K |
|---|---|---|
| PCIe version | 4+33% | 3 |
| CPU PCIe lanes | 24 | 28+17% |
Benchmarks
| Spec | AMD Ryzen 7 5800X3D | Intel Core i7-5820K |
|---|---|---|
| Geekbench 6 (single) | 1,900+83%Bottom 48% | 1,040Bottom 6% |
| Geekbench 6 (multi) | 10,500+106%Top 49% | 5,100Bottom 24% |
| Cinebench R23 (single) | 1,470+65%Bottom 42% | 890Bottom 5% |
| Cinebench R23 (multi) | 14,200+122%Top 50% | 6,400Bottom 19% |
| PassMark | 28,100+121%Top 45% | 12,700Bottom 20% |
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