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AMD Ryzen 9 3900X vs Intel 10th Gen Intel Core i9-10900KF: Comparison
AMD Ryzen 9 3900X vs Intel 10th Gen Intel Core i9-10900KF l3 cache compared
L3 cache is where these two genuinely part company, AMD Ryzen 9 3900X 64 MB against Intel 10th Gen Intel Core i9-10900KF 20 MB, a 69% lead for AMD Ryzen 9 3900X. Blender Cycles (CPU) backs the spec sheet up. AMD Ryzen 9 3900X scores 268 to 226 over 123 runs, 16% clear. Add l2 cache to that, 6 MB on the AMD Ryzen 9 3900X versus 2.5 MB on the Intel 10th Gen Intel Core i9-10900KF, and the pattern holds. There is a split on socket as well, AM4 on the AMD Ryzen 9 3900X versus FCLGA1200 on the Intel 10th Gen Intel Core i9-10900KF.
Who each one is for
Take the AMD Ryzen 9 3900X for content creators and prosumers wanting genuine 12-core multi-threaded throughput at a mainstream desktop price. It is the wrong buy for buyers who need integrated graphics, this chip requires a discrete GPU. Take the Intel 10th Gen Intel Core i9-10900KF for enthusiast desktop builds with a discrete GPU already planned wanting Intel's Comet Lake flagship at a lower price. It is not the one for buyers wanting a fallback integrated GPU, the standard i9-10900K includes UHD 630.
What AMD Ryzen 9 3900X and Intel 10th Gen Intel Core i9-10900KF have in common
The common ground is wider than the gap: efficiency cores, integrated graphics, socket status, form factor and market segment are identical here. They match on 5 further specifications as well.
AMD Ryzen 9 3900X vs Intel 10th Gen Intel Core i9-10900KF price
At the last price check the Intel 10th Gen Intel Core i9-10900KF was $472 and the AMD Ryzen 9 3900X $499, a 6% premium.
Frequently asked questions
Do the AMD Ryzen 9 3900X and Intel 10th Gen Intel Core i9-10900KF differ on total cores?
Yes. Total Cores reads 12 on the AMD Ryzen 9 3900X versus 10 on the Intel 10th Gen Intel Core i9-10900KF.
Is the SMT Enabled the same on the AMD Ryzen 9 3900X and Intel 10th Gen Intel Core i9-10900KF?
It is. Both are listed at Yes, so it is not a reason to pick one over the other.
Specs and benchmarks
Brand
- AMD Ryzen 9 3900X
- AMD
- Intel 10th Gen Intel Core i9-10900KF
- Intel
Product Line
- AMD Ryzen 9 3900X
- Ryzen 9
- Intel 10th Gen Intel Core i9-10900KF
- Core i9
Form Factor
- AMD Ryzen 9 3900X
- Desktop
- Intel 10th Gen Intel Core i9-10900KF
- Desktop
Model Number
- AMD Ryzen 9 3900X
- 3900X
- Intel 10th Gen Intel Core i9-10900KF
- 10900KF
Codename
- AMD Ryzen 9 3900X
- Matisse
- Intel 10th Gen Intel Core i9-10900KF
- Comet Lake
Release Year
- AMD Ryzen 9 3900X
- 2019
- Intel 10th Gen Intel Core i9-10900KF
- 2020
TDP
- AMD Ryzen 9 3900X
- 105 W
- Intel 10th Gen Intel Core i9-10900KF
- 125 W
Market Segment
- AMD Ryzen 9 3900X
- Desktop
- Intel 10th Gen Intel Core i9-10900KF
- Desktop
Microarchitecture
- AMD Ryzen 9 3900X
- Zen 2, Ryzen 3000 Series "Matisse"
- Intel 10th Gen Intel Core i9-10900KF
- Comet Lake, 10th Gen Intel Core
Socket
- AMD Ryzen 9 3900X
- AM4
- Intel 10th Gen Intel Core i9-10900KF
- FCLGA1200
Socket Status
- AMD Ryzen 9 3900X
- End of Life
- Intel 10th Gen Intel Core i9-10900KF
- End of Life
Process Node
- AMD Ryzen 9 3900X
- 7 nm
- Intel 10th Gen Intel Core i9-10900KF
- 14 nm
Total Cores
- AMD Ryzen 9 3900X
- 12Best
- Intel 10th Gen Intel Core i9-10900KF
- 10
Performance Cores
- AMD Ryzen 9 3900X
- 12Best
- Intel 10th Gen Intel Core i9-10900KF
- 10
Efficiency Cores
- AMD Ryzen 9 3900X
- 0
- Intel 10th Gen Intel Core i9-10900KF
- 0
Total Threads
- AMD Ryzen 9 3900X
- 24Best
- Intel 10th Gen Intel Core i9-10900KF
- 20
SMT Enabled
- AMD Ryzen 9 3900X
- Yes
- Intel 10th Gen Intel Core i9-10900KF
- Yes
P-Core Base Clock
- AMD Ryzen 9 3900X
- 3.8 GHz
- Intel 10th Gen Intel Core i9-10900KF
- 3.7 GHz
P-Core Boost Clock
- AMD Ryzen 9 3900X
- 4.6 GHz
- Intel 10th Gen Intel Core i9-10900KF
- 5.3 GHz
L2 Cache
- AMD Ryzen 9 3900X
- 6 MBBest
- Intel 10th Gen Intel Core i9-10900KF
- 2.5 MB-58%
L3 Cache
- AMD Ryzen 9 3900X
- 64 MBBest
- Intel 10th Gen Intel Core i9-10900KF
- 20 MB-69%
Base Power
- AMD Ryzen 9 3900X
- 105 W
- Intel 10th Gen Intel Core i9-10900KF
- 125 W
Memory Type
- AMD Ryzen 9 3900X
- DDR4
- Intel 10th Gen Intel Core i9-10900KF
- DDR4
Max Memory Speed
- AMD Ryzen 9 3900X
- 3200 MT/sBest
- Intel 10th Gen Intel Core i9-10900KF
- 4 MT/s
Memory Channels
- AMD Ryzen 9 3900X
- 2
- Intel 10th Gen Intel Core i9-10900KF
- 2
ECC Support
- AMD Ryzen 9 3900X
- No
- Intel 10th Gen Intel Core i9-10900KF
- No
Integrated Graphics
- AMD Ryzen 9 3900X
- No
- Intel 10th Gen Intel Core i9-10900KF
- No
PCIe Generation
- AMD Ryzen 9 3900X
- 4
- Intel 10th Gen Intel Core i9-10900KF
- PCIe 3.0
PCIe Lanes
- AMD Ryzen 9 3900X
- 20
- Intel 10th Gen Intel Core i9-10900KF
- 16-20%
Launch MSRP
- AMD Ryzen 9 3900X
- $499
- Intel 10th Gen Intel Core i9-10900KF
- $472
Retail Availability
- AMD Ryzen 9 3900X
- Retail
- Intel 10th Gen Intel Core i9-10900KF
- Retail
Benchmarks
- 3D Rendering
Blender Cycles (CPU)
- AMD Ryzen 9 3900X
- 268Best
- Intel 10th Gen Intel Core i9-10900KF
- 226-16%
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 3900X if you want the higher L2 cache (6 MB vs 2.5 MB), the higher L3 cache (64 MB vs 20 MB) and the higher memory channels (2 vs 2).
Choose 10900KF if you already have it on hand or find it at a lower price.
Price comparison
| Retailer | AMD Ryzen 9 3900X | Intel 10th Gen Intel Core i9-10900KF |
|---|---|---|
| Consumercarts listing | $499.00 View on Consumercarts listing | |
| Amazon | $472.00 View on Amazon | |
| Newegg | View on Newegg |
Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.