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AMD Ryzen 9 5950X vs Intel Core Ultra 9 285K: Comparison
AMD Ryzen 9 5950X vs Intel Core Ultra 9 285K: the l3 cache difference
On l3 cache the spread is 44%, AMD Ryzen 9 5950X 64 MB against Intel Core Ultra 9 285K 36 MB, so AMD Ryzen 9 5950X takes it. The benchmark result agrees. Blender Cycles (CPU) puts Intel Core Ultra 9 285K 30% ahead, 562 against 391 over 279 runs. Add l2 cache to that, 8 MB on the AMD Ryzen 9 5950X versus 40 MB on the Intel Core Ultra 9 285K, and the pattern holds.
Which should you buy, AMD Ryzen 9 5950X or Intel Core Ultra 9 285K?
Take the AMD Ryzen 9 5950X for content creators and prosumers needing genuine 16-core throughput for video encoding, rendering, or compiling. It also earns its place with buyers wanting strong gaming performance alongside high-end multi-threaded capability in one chip. It is not the one for buyers who need integrated graphics, this chip requires a discrete GPU. Take the Intel Core Ultra 9 285K for content creation and heavily multi-threaded productivity desktop builds wanting Intel's newest, most power-efficient flagship. It is the wrong buy for buyers prioritizing maximum gaming frame rates, AMD's 3D V-Cache chips generally lead in gaming-specific benchmarks.
Which is cheaper, AMD Ryzen 9 5950X or Intel Core Ultra 9 285K?
The AMD Ryzen 9 5950X asks 36% more, $799 against $589 for the Intel Core Ultra 9 285K.
Where the two are identical
Where they agree, they agree completely, form factor, market segment, unlocked multiplier, 3d stacked cache and memory channels included, so the decision does not turn on any of those. They match on 4 further specifications as well.
Frequently asked questions
Do the AMD Ryzen 9 5950X and Intel Core Ultra 9 285K differ on total cores?
Yes. Total Cores reads 16 on the AMD Ryzen 9 5950X versus 24 on the Intel Core Ultra 9 285K.
Is the ECC Support the same on the AMD Ryzen 9 5950X and Intel Core Ultra 9 285K?
It is. Both are listed at Yes, so it is not a reason to pick one over the other.
Which is cheaper, AMD Ryzen 9 5950X or Intel Core Ultra 9 285K?
The AMD Ryzen 9 5950X asks 36% more, $799 against $589 for the Intel Core Ultra 9 285K.
Specs and benchmarks
Brand
- AMD Ryzen 9 5950X
- AMD
- Intel Core Ultra 9 285K
- Intel
Product Line
- AMD Ryzen 9 5950X
- Ryzen 9
- Intel Core Ultra 9 285K
- Core Ultra 9
Form Factor
- AMD Ryzen 9 5950X
- Desktop
- Intel Core Ultra 9 285K
- Desktop
Model Number
- AMD Ryzen 9 5950X
- 5950X
- Intel Core Ultra 9 285K
- 285K
Codename
- AMD Ryzen 9 5950X
- Vermeer
- Intel Core Ultra 9 285K
- Arrow Lake-S
Release Year
- AMD Ryzen 9 5950X
- 2020
- Intel Core Ultra 9 285K
- 2024
TDP
- AMD Ryzen 9 5950X
- 105 W
- Intel Core Ultra 9 285K
- 125 W
iGPU
- AMD Ryzen 9 5950X
- None
- Intel Core Ultra 9 285K
- Intel Graphics
Market Segment
- AMD Ryzen 9 5950X
- Desktop
- Intel Core Ultra 9 285K
- Desktop
Microarchitecture
- AMD Ryzen 9 5950X
- Zen 3, Ryzen 5000 Series
- Intel Core Ultra 9 285K
- Arrow Lake, Core Ultra 200 Series
Socket
- AMD Ryzen 9 5950X
- AM4
- Intel Core Ultra 9 285K
- FCLGA1851
Socket Status
- AMD Ryzen 9 5950X
- End of Life
- Intel Core Ultra 9 285K
- Current
Process Node
- AMD Ryzen 9 5950X
- 7 nm
- Intel Core Ultra 9 285K
- 3 nm
Total Cores
- AMD Ryzen 9 5950X
- 16
- Intel Core Ultra 9 285K
- 24Best
Performance Cores
- AMD Ryzen 9 5950X
- 16Best
- Intel Core Ultra 9 285K
- 8
Efficiency Cores
- AMD Ryzen 9 5950X
- 0
- Intel Core Ultra 9 285K
- 16Best
Total Threads
- AMD Ryzen 9 5950X
- 32Best
- Intel Core Ultra 9 285K
- 24
SMT Enabled
- AMD Ryzen 9 5950X
- Yes
- Intel Core Ultra 9 285K
- No
P-Core Base Clock
- AMD Ryzen 9 5950X
- 3.4 GHz
- Intel Core Ultra 9 285K
- 3.7 GHz
P-Core Boost Clock
- AMD Ryzen 9 5950X
- 4.9 GHz
- Intel Core Ultra 9 285K
- 5.5 GHz
Unlocked Multiplier
- AMD Ryzen 9 5950X
- Yes
- Intel Core Ultra 9 285K
- Yes
L2 Cache
- AMD Ryzen 9 5950X
- 8 MB-80%
- Intel Core Ultra 9 285K
- 40 MBBest
L3 Cache
- AMD Ryzen 9 5950X
- 64 MBBest
- Intel Core Ultra 9 285K
- 36 MB-44%
3D Stacked Cache
- AMD Ryzen 9 5950X
- No
- Intel Core Ultra 9 285K
- No
Base Power
- AMD Ryzen 9 5950X
- 105 W
- Intel Core Ultra 9 285K
- 125 W
Max Turbo Power
- AMD Ryzen 9 5950X
- 142 W
- Intel Core Ultra 9 285K
- 250 W
Memory Type
- AMD Ryzen 9 5950X
- DDR4
- Intel Core Ultra 9 285K
- DDR5-6400Best
Max Memory Speed
- AMD Ryzen 9 5950X
- 3200 MT/s
- Intel Core Ultra 9 285K
- 6400 MT/sBest
Memory Channels
- AMD Ryzen 9 5950X
- 2
- Intel Core Ultra 9 285K
- 2
Max Memory Capacity
- AMD Ryzen 9 5950X
- 128 GB
- Intel Core Ultra 9 285K
- 256 GBBest
ECC Support
- AMD Ryzen 9 5950X
- Yes
- Intel Core Ultra 9 285K
- Yes
Integrated Graphics
- AMD Ryzen 9 5950X
- No
- Intel Core Ultra 9 285K
- Yes
Copilot Plus Certified
- AMD Ryzen 9 5950X
- No
- Intel Core Ultra 9 285K
- No
PCIe Generation
- AMD Ryzen 9 5950X
- PCIe 4.0
- Intel Core Ultra 9 285K
- PCIe 5.0
PCIe Lanes
- AMD Ryzen 9 5950X
- 24
- Intel Core Ultra 9 285K
- 24
Launch MSRP
- AMD Ryzen 9 5950X
- $799
- Intel Core Ultra 9 285K
- $589
Retail Availability
- AMD Ryzen 9 5950X
- Boxed Retail
- Intel Core Ultra 9 285K
- Boxed Retail
Benchmarks
- 3D Rendering
Blender Cycles (CPU)
- AMD Ryzen 9 5950X
- 391-30%
- Intel Core Ultra 9 285K
- 562Best
Blender 4.5, Blender Open Data (CC0). Median of monster + junkshop + classroom, combined samples/min.
Renders a 3D scene using every core. Shows speed for 3D and rendering work, not gaming.
Which one should you pick?
Choose 5950X if you want the higher L3 cache (64 MB vs 36 MB), the higher memory channels (2 vs 2) and the higher PCIe lanes (24 vs 24).
Choose 285K if you want the higher L2 cache (40 MB vs 8 MB) and the higher blender cycles (CPU) (562 vs 391).
Price comparison
| Retailer | AMD Ryzen 9 5950X | Intel Core Ultra 9 285K |
|---|---|---|
| Amazon | $799.00 View on Amazon | $589.00 View on Amazon |
| Newegg | View on Newegg | View on Newegg |
| Micro Center | View on Micro Center |
Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.
Verdict
Intel Core Ultra 9 285K
8.5 / 10 Expert Rating
The Intel Core Ultra 9 285K is a fast, more efficient flagship for multithreaded work, though its gaming speed trails the best AMD chips.