AMD Ryzen 7 7800X3D vs Intel Core i7-5820K
69Single-core20.7
57.9Multi-core30.2
90.6Gamingspec-based37.1
17 spec wins — AMD Ryzen 7 7800X3D2 spec wins — Intel Core i7-5820K
InnoReviews verdict
AMD Ryzen 7 7800X3D wins this desktop processor face-off, 69.4 to 29.1, pulling ahead mainly in single-core (+48) and multi-core (+28). 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 7800X3D
- Stronger single-core score: 69 vs 21
- Stronger multi-core score: 58 vs 30
- 540% higher L3 cache: 96 MB vs 15 MB
- 433% higher L2 cache: 8 MB vs 2 MB
- 194% higher Geekbench 6 (multi): 15,000 vs 5,100
Reasons to pick the Intel Core i7-5820K
- 100% higher Memory channels: 4 vs 2
- Has Unlocked multiplier — the other doesn't
- Lower launch price: $389 vs $449
General
| Spec | AMD Ryzen 7 7800X3D | Intel Core i7-5820K |
|---|---|---|
| Announced | 2023 | 2014 |
| Socket | AM5 | LGA2011-v3 |
| Process | 5 nm+77% | 22 nm |
| Base TDP | 120 W+14% | 140 W |
| Max turbo power | 162 W | — |
| Unlocked multiplier | No | Yes |
| Cooler included | No | No |
Cores & Clocks
| Spec | AMD Ryzen 7 7800X3D | Intel Core i7-5820K |
|---|---|---|
| Cores | 8+33% | 6 |
| Performance cores | 8+33% | 6 |
| Efficiency cores | 0 | 0 |
| Threads | 16+33% | 12 |
| Base clock | 4.2 GHz+27% | 3.3 GHz |
| Boost clock | 5 GHz+39% | 3.6 GHz |
| L2 cache | 8 MB+433% | 2 MB |
| L3 cache | 96 MB+540% | 15 MB |
Integrated GPU
| Spec | AMD Ryzen 7 7800X3D | Intel Core i7-5820K |
|---|---|---|
| iGPU | AMD Radeon Graphics (2 CU RDNA 2) | — |
| iGPU clock | 2,200 MHz | — |
Memory
| Spec | AMD Ryzen 7 7800X3D | Intel Core i7-5820K |
|---|---|---|
| Memory support | DDR5-5200 | DDR4-2133 |
| Max memory | 128 GB+100% | 64 GB |
| Memory channels | 2 | 4+100% |
Platform
| Spec | AMD Ryzen 7 7800X3D | Intel Core i7-5820K |
|---|---|---|
| PCIe version | 5+67% | 3 |
| CPU PCIe lanes | 28 | 28 |
Benchmarks
| Spec | AMD Ryzen 7 7800X3D | Intel Core i7-5820K |
|---|---|---|
| Geekbench 6 (single) | 2,650+155%Top 34% | 1,040Bottom 6% |
| Geekbench 6 (multi) | 15,000+194%Top 32% | 5,100Bottom 24% |
| Cinebench R23 (single) | 1,810+103%Top 39% | 890Bottom 5% |
| Cinebench R23 (multi) | 17,800+178%Top 34% | 6,400Bottom 19% |
| PassMark | 34,500+172%Top 34% | 12,700Bottom 20% |
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