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AMD Ryzen 9 3900XT vs Intel 10th Gen Intel Core i9 10850K: Comparison
AMD Ryzen 9 3900XT vs Intel 10th Gen Intel Core i9 10850K: the l3 cache difference
L3 cache is where these two genuinely part company, AMD Ryzen 9 3900XT 64 MB against Intel 10th Gen Intel Core i9 10850K 20 MB, a 69% lead for AMD Ryzen 9 3900XT. Add l2 cache to that, 6 MB on the AMD Ryzen 9 3900XT versus 2.5 MB on the Intel 10th Gen Intel Core i9 10850K, and the pattern holds. They differ on tdp too, 105 W on the AMD Ryzen 9 3900XT versus 125 W on the Intel 10th Gen Intel Core i9 10850K. Integrated graphics is not the same on both, No on the AMD Ryzen 9 3900XT versus Yes on the Intel 10th Gen Intel Core i9 10850K.
Which should you buy, AMD Ryzen 9 3900XT or Intel 10th Gen Intel Core i9 10850K?
The AMD Ryzen 9 3900XT suits mainstream desktop builds and everyday productivity, though it is not built for extreme overclocking (unless K/X-series) and workstation-class multi-threaded workloads. Take the Intel 10th Gen Intel Core i9 10850K for desktop gaming and content creation builds wanting near-flagship 10-core performance at a typically lower price than the i9-10900K. Avoid it for buyers specifically chasing the absolute highest available clock speed, the flagship i9-10900K, covered elsewhere on this site, edges ahead there.
AMD Ryzen 9 3900XT vs Intel 10th Gen Intel Core i9 10850K price
The AMD Ryzen 9 3900XT asks 10% more, $499 against $453 for the Intel 10th Gen Intel Core i9 10850K.
What AMD Ryzen 9 3900XT and Intel 10th Gen Intel Core i9 10850K have in common
Everything else lines up. Efficiency cores, release year, market segment, smt enabled and unlocked multiplier read the same on both, so those are not worth weighing. They match on 3 further specifications as well.
Frequently asked questions
Do the AMD Ryzen 9 3900XT and Intel 10th Gen Intel Core i9 10850K differ on total cores?
Yes. Total Cores reads 12 on the AMD Ryzen 9 3900XT versus 10 on the Intel 10th Gen Intel Core i9 10850K.
Is the Memory Channels the same on the AMD Ryzen 9 3900XT and Intel 10th Gen Intel Core i9 10850K?
It is. Both are listed at 2, so it is not a reason to pick one over the other.
Specs and benchmarks
Product Line
- AMD Ryzen 9 3900XT
- Ryzen 9
- Intel 10th Gen Intel Core i9 10850K
- Core i9
Form Factor
- AMD Ryzen 9 3900XT
- Desktops, Boxed Processor
- Intel 10th Gen Intel Core i9 10850K
- Desktop
Model Number
- AMD Ryzen 9 3900XT
- 3900XT
- Intel 10th Gen Intel Core i9 10850K
- 10850K
Codename
- AMD Ryzen 9 3900XT
- Matisse
- Intel 10th Gen Intel Core i9 10850K
- Comet Lake
Release Year
- AMD Ryzen 9 3900XT
- 2020
- Intel 10th Gen Intel Core i9 10850K
- 2020
TDP
- AMD Ryzen 9 3900XT
- 105 W
- Intel 10th Gen Intel Core i9 10850K
- 125 W
iGPU
- AMD Ryzen 9 3900XT
- None
- Intel 10th Gen Intel Core i9 10850K
- Intel UHD Graphics 630
Market Segment
- AMD Ryzen 9 3900XT
- Desktop
- Intel 10th Gen Intel Core i9 10850K
- Desktop
Socket
- AMD Ryzen 9 3900XT
- AM4
- Intel 10th Gen Intel Core i9 10850K
- FCLGA1200
Socket Status
- AMD Ryzen 9 3900XT
- End of Life
- Intel 10th Gen Intel Core i9 10850K
- Mature
Process Node
- AMD Ryzen 9 3900XT
- 7 nm
- Intel 10th Gen Intel Core i9 10850K
- 14 nm
Total Cores
- AMD Ryzen 9 3900XT
- 12Best
- Intel 10th Gen Intel Core i9 10850K
- 10
Performance Cores
- AMD Ryzen 9 3900XT
- 12Best
- Intel 10th Gen Intel Core i9 10850K
- 10
Efficiency Cores
- AMD Ryzen 9 3900XT
- 0
- Intel 10th Gen Intel Core i9 10850K
- 0
Total Threads
- AMD Ryzen 9 3900XT
- 24Best
- Intel 10th Gen Intel Core i9 10850K
- 20
SMT Enabled
- AMD Ryzen 9 3900XT
- Yes
- Intel 10th Gen Intel Core i9 10850K
- Yes
P-Core Base Clock
- AMD Ryzen 9 3900XT
- 3.8 GHz
- Intel 10th Gen Intel Core i9 10850K
- 3.6 GHz
P-Core Boost Clock
- AMD Ryzen 9 3900XT
- 4.7 GHz
- Intel 10th Gen Intel Core i9 10850K
- 5.2 GHz
Unlocked Multiplier
- AMD Ryzen 9 3900XT
- Yes
- Intel 10th Gen Intel Core i9 10850K
- Yes
L2 Cache
- AMD Ryzen 9 3900XT
- 6 MBBest
- Intel 10th Gen Intel Core i9 10850K
- 2.5 MB-58%
L3 Cache
- AMD Ryzen 9 3900XT
- 64 MBBest
- Intel 10th Gen Intel Core i9 10850K
- 20 MB-69%
Base Power
- AMD Ryzen 9 3900XT
- 105 W
- Intel 10th Gen Intel Core i9 10850K
- 125 W
Max Turbo Power
- AMD Ryzen 9 3900XT
- 142 W
- Intel 10th Gen Intel Core i9 10850K
- 250W
Memory Type
- AMD Ryzen 9 3900XT
- DDR4
- Intel 10th Gen Intel Core i9 10850K
- DDR4-2933
Max Memory Speed
- AMD Ryzen 9 3900XT
- 3200 MT/sBest
- Intel 10th Gen Intel Core i9 10850K
- 4 MT/s
Memory Channels
- AMD Ryzen 9 3900XT
- 2
- Intel 10th Gen Intel Core i9 10850K
- 2
ECC Support
- AMD Ryzen 9 3900XT
- No
- Intel 10th Gen Intel Core i9 10850K
- No
Integrated Graphics
- AMD Ryzen 9 3900XT
- No
- Intel 10th Gen Intel Core i9 10850K
- Yes
PCIe Generation
- AMD Ryzen 9 3900XT
- PCIe 4.0
- Intel 10th Gen Intel Core i9 10850K
- PCIe 3.0
PCIe Lanes
- AMD Ryzen 9 3900XT
- 20
- Intel 10th Gen Intel Core i9 10850K
- 16-20%
Launch MSRP
- AMD Ryzen 9 3900XT
- $499
- Intel 10th Gen Intel Core i9 10850K
- $453
Retail Availability
- AMD Ryzen 9 3900XT
- Retail
- Intel 10th Gen Intel Core i9 10850K
- Retail
Which one should you pick?
Choose 3900XT 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 10850K if you already have it on hand or find it at a lower price.
Price comparison
| Retailer | AMD Ryzen 9 3900XT | Intel 10th Gen Intel Core i9 10850K |
|---|---|---|
| Consumercarts listing | $499.00 View on Consumercarts listing | |
| Amazon | $453.00 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.