AMD Ryzen 9 3900X 12-core AM4
AMD
71 Overall Score
vs
Intel Core Ultra 9 285K 24-core LGA1851
Intel
98 Overall Score
What Buyers Say
AMD Ryzen 9 3900X 12-core AM4
No customer feedback yet
Intel Core Ultra 9 285K 24-core LGA1851
88 out of 100 high confidence 32 reviews
The Intel Core Ultra 9 285K is overwhelmingly praised for its raw performance, especially in 4K gaming and heavy multitasking, with users noting significant upgrades from older CPUs. It runs cool with proper cooling solutions, and its efficiency and support for DDR5 and PCIe 5.0 are highlighted as major advantages. Some mention that it may not beat AMD in 1080p/1440p gaming, but it excels at 4K and productivity. A few note the lack of a cooler and tray packaging as minor drawbacks, but overall sentiment is very positive.
Pros
- Excellent 4K gaming performance
- Strong multitasking and productivity
- Runs cool with proper cooling
- Supports DDR5 and PCIe 5.0
- Power efficient (125W TDP)
Cons
- No cooler included
- Tray packaging (no retail box)
- May lag AMD in 1080p/1440p gaming
- Requires BIOS adjustments for best performance
- Premium price
Gaming performance 8
Multitasking productivity 6
Thermal management 5
Power efficiency 4
Memory support 4
Value for money 3
Scores
Ai Llm
Budget
Productivity
Gaming
Efficiency
Server
Specifications
| AMD Ryzen 9 3900X | Intel Core Ultra 9 285K | |
|---|---|---|
| Processor | ||
| Brand | AMD | Intel |
| Series | Ryzen 9 | Core Ultra 9 |
| Model | 3900X | 285K |
| Codename | Matisse | Arrow Lake-S |
| Class | desktop | desktop |
| Process | 7 | 3★ |
| Cores & Clocks | ||
| Cores | 12 | 24★ |
| P-cores | 12★ | 8 |
| E-cores | — | 16★ |
| Threads | 24 | 24 |
| Base Clock | ||
| Boost Clock | ||
| Cache | ||
| L2 Cache | 6 | 40★ |
| L3 Cache | 64★ | 36 |
| Performance | ||
| PassMark Multi | ||
| PassMark Single | ||
| Memory | ||
| Memory Type | DDR4 | DDR5★ |
| Max Speed | ||
| Channels | 2 | 2 |
| Max Memory | ||
| ECC | ✗ | ✓★ |
| Platform & Power | ||
| Socket | AM4 | LGA 1851 |
| PCIe | 4.0 | 5.0 |
| PCIe Lanes | 16 | 24★ |
| TDP | 105★ | 125 |
| Max Turbo Power | — | 250★ |
| Unlocked | ✓ | ✓ |
| Graphics & AI | ||
| Integrated Graphics | None Integrated Graphics | Intel Graphics |
| NPU TOPS | — | 13★ |
Pros & Cons
AMD Ryzen 9 3900X 12-core AM4
- Strong social proof (97th percentile)97th %ile
- Strong feature (93rd percentile)93rd %ile
- Strong multi thread (88th percentile)88th %ile
- Strong ai (87th percentile)87th %ile
Intel Core Ultra 9 285K 24-core LGA1851
- Strong feature (100th percentile)100th %ile
- Strong single thread (100th percentile)100th %ile
- Strong efficiency (97th percentile)97th %ile
- Strong multi thread (97th percentile)97th %ile
Pricing
AMD Ryzen 9 3900X 12-core AM4
No current pricing available
Intel Core Ultra 9 285K 24-core LGA1851
Verdict
Winner: Intel Core Ultra 9 285K
Scores 98 overall, wins 6 of 6 usage categories and 15 of 29 specs.