AMD Ryzen 7 9850X3D vs Intel Core i7-5820K
86.9Single-core20.7
65.6Multi-core30.2
94.4Gamingspec-based37.1
15 spec wins — AMD Ryzen 7 9850X3D2 spec wins — Intel Core i7-5820K
InnoReviews verdict
AMD Ryzen 7 9850X3D wins this desktop processor face-off, 79.2 to 29.1, pulling ahead mainly in single-core (+66) and multi-core (+35). 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 9850X3D
- Stronger single-core score: 87 vs 21
- Stronger multi-core score: 66 vs 30
- 540% higher L3 cache: 96 MB vs 15 MB
- 433% higher L2 cache: 8 MB vs 2 MB
- 300% higher Max memory: 256 GB vs 64 GB
Reasons to pick the Intel Core i7-5820K
- 100% higher Memory channels: 4 vs 2
- 17% higher CPU PCIe lanes: 28 vs 24
- Lower launch price: $389 vs $499
General
| Spec | AMD Ryzen 7 9850X3D | Intel Core i7-5820K |
|---|---|---|
| Announced | 2026+1% | 2014 |
| Socket | AM5 | LGA2011-v3 |
| Process | 4 nm+82% | 22 nm |
| Base TDP | 120 W+14% | 140 W |
| Max turbo power | 162 W | — |
| Unlocked multiplier | Yes | Yes |
| Cooler included | No | No |
Cores & Clocks
| Spec | AMD Ryzen 7 9850X3D | Intel Core i7-5820K |
|---|---|---|
| Cores | 8+33% | 6 |
| Performance cores | 8+33% | 6 |
| Efficiency cores | 0 | 0 |
| Threads | 16+33% | 12 |
| Base clock | 4.7 GHz+42% | 3.3 GHz |
| Boost clock | 5.6 GHz+56% | 3.6 GHz |
| L2 cache | 8 MB+433% | 2 MB |
| L3 cache | 96 MB+540% | 15 MB |
Integrated GPU
| Spec | AMD Ryzen 7 9850X3D | Intel Core i7-5820K |
|---|---|---|
| iGPU | AMD Radeon Graphics (2 CU RDNA 2) | — |
| iGPU clock | 2,200 MHz | — |
Memory
| Spec | AMD Ryzen 7 9850X3D | Intel Core i7-5820K |
|---|---|---|
| Memory support | DDR5-5600 | DDR4-2133 |
| Max memory | 256 GB+300% | 64 GB |
| Memory channels | 2 | 4+100% |
Platform
| Spec | AMD Ryzen 7 9850X3D | Intel Core i7-5820K |
|---|---|---|
| PCIe version | 5+67% | 3 |
| CPU PCIe lanes | 24 | 28+17% |
Benchmarks
| Spec | AMD Ryzen 7 9850X3D | Intel Core i7-5820K |
|---|---|---|
| Geekbench 6 (single) | — | 1,040Bottom 6% |
| Geekbench 6 (multi) | — | 5,100Bottom 24% |
| Cinebench R23 (single) | 2,221+150%Top 12% | 890Bottom 5% |
| Cinebench R23 (multi) | 23,204+263%Top 25% | 6,400Bottom 19% |
| PassMark | 41,305+225%Top 24% | 12,700Bottom 20% |
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