AMD Ryzen 7 3800XT vs Intel Core i9-11900
40.1Single-core54.7
45.1Multi-core43.8
62.2Gamingspec-based48.6
6 spec wins — AMD Ryzen 7 3800XT4 spec wins — Intel Core i9-11900
InnoReviews verdict
This one is close to a dead heat: AMD Ryzen 7 3800XT scores 47.9 against 48.3 for Intel Core i9-11900. Pick by the categories that matter to you — Intel Core i9-11900 edges ahead in single-core, or by price.
Which would you pick?
Key differences
Reasons to pick the AMD Ryzen 7 3800XT
- 100% higher L3 cache: 32 MB vs 16 MB
- 56% higher Base clock: 3.9 GHz vs 2.5 GHz
- 50% lower process: 7 nm vs 14 nm
- 20% higher CPU PCIe lanes: 24 vs 20
- Has Unlocked multiplier — the other doesn't
Reasons to pick the Intel Core i9-11900
- Stronger single-core score: 55 vs 40
- 38% lower Base TDP: 65 W vs 105 W
- 21% higher PassMark (single thread): 3,372 vs 2,797
- 11% higher Boost clock: 5.2 GHz vs 4.7 GHz
General
| Spec | AMD Ryzen 7 3800XT | Intel Core i9-11900 |
|---|---|---|
| Announced | 2020 | 2021 |
| Socket | AM4 | LGA1200 |
| Process | 7 nm+50% | 14 nm |
| Base TDP | 105 W | 65 W+38% |
| Max turbo power | 142 W | — |
| Unlocked multiplier | Yes | No |
| Cooler included | No | — |
Cores & Clocks
| Spec | AMD Ryzen 7 3800XT | Intel Core i9-11900 |
|---|---|---|
| Cores | 8 | 8 |
| Performance cores | 8 | — |
| Efficiency cores | 0 | — |
| Threads | 16 | 16 |
| Base clock | 3.9 GHz+56% | 2.5 GHz |
| Boost clock | 4.7 GHz | 5.2 GHz+11% |
| L2 cache | 4 MB | 4 MB |
| L3 cache | 32 MB+100% | 16 MB |
Integrated GPU
| Spec | AMD Ryzen 7 3800XT | Intel Core i9-11900 |
|---|---|---|
| iGPU | — | Intel UHD Graphics 750 |
| iGPU clock | — | 1,300 MHz |
Memory
| Spec | AMD Ryzen 7 3800XT | Intel Core i9-11900 |
|---|---|---|
| Memory support | DDR4-3200 | DDR4-3200 |
| Max memory | — | 128 GB |
| Memory channels | 2 | 2 |
Platform
| Spec | AMD Ryzen 7 3800XT | Intel Core i9-11900 |
|---|---|---|
| PCIe version | 4 | 4 |
| CPU PCIe lanes | 24+20% | 20 |
Benchmarks
| Spec | AMD Ryzen 7 3800XT | Intel Core i9-11900 |
|---|---|---|
| PassMark | 23,390+5%Top 48% | 22,347Top 49% |
| PassMark (single thread) | 2,797Bottom 35% | 3,372+21%Top 49% |
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