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AMD Ryzen 9 7900X vs Intel 11th Gen Intel Core i9 11900KF: Comparison
AMD Ryzen 9 7900X vs Intel 11th Gen Intel Core i9 11900KF l3 cache compared
L3 cache is where these two genuinely part company, AMD Ryzen 9 7900X 64 MB against Intel 11th Gen Intel Core i9 11900KF 16 MB, a 75% lead for AMD Ryzen 9 7900X. Add l2 cache to that, 12 MB on the AMD Ryzen 9 7900X versus 2 MB on the Intel 11th Gen Intel Core i9 11900KF, and the pattern holds. They differ on tdp too, 170 W on the AMD Ryzen 9 7900X versus 125 W on the Intel 11th Gen Intel Core i9 11900KF. There is a split on integrated graphics as well, Yes on the AMD Ryzen 9 7900X versus No on the Intel 11th Gen Intel Core i9 11900KF.
Who each one is for
Buy the AMD Ryzen 9 7900X for enthusiast desktops and streaming and gaming, though it is the wrong buy for budget builds and small form factor low-power systems. Take the Intel 11th Gen Intel Core i9 11900KF for enthusiast gaming desktop builds with a discrete GPU already planned wanting Intel's flagship Rocket Lake performance at a lower price. It is the wrong buy for buyers wanting a fallback integrated GPU, the standard i9-11900K includes UHD 750. Our rating of the AMD Ryzen 9 7900X (8.6/10): the AMD Ryzen 9 7900X is a strong all-rounder for enthusiasts who want top clock speeds for both gaming and productivity.
What AMD Ryzen 9 7900X and Intel 11th Gen Intel Core i9 11900KF have in common
Everything else lines up. Efficiency cores, form factor, market segment, smt enabled and memory channels read the same on both, so those are not worth weighing.
Frequently asked questions
Do the AMD Ryzen 9 7900X and Intel 11th Gen Intel Core i9 11900KF differ on total cores?
Yes. Total Cores reads 12 on the AMD Ryzen 9 7900X versus 8 on the Intel 11th Gen Intel Core i9 11900KF.
Specs and benchmarks
Form Factor
- AMD Ryzen 9 7900X
- Desktop
- Intel 11th Gen Intel Core i9 11900KF
- Desktop
Codename
- AMD Ryzen 9 7900X
- Raphael
- Intel 11th Gen Intel Core i9 11900KF
- Rocket Lake
Release Year
- AMD Ryzen 9 7900X
- 2022
- Intel 11th Gen Intel Core i9 11900KF
- 2021
TDP
- AMD Ryzen 9 7900X
- 170 W
- Intel 11th Gen Intel Core i9 11900KF
- 125 W
Market Segment
- AMD Ryzen 9 7900X
- Desktop
- Intel 11th Gen Intel Core i9 11900KF
- Desktop
Microarchitecture
- AMD Ryzen 9 7900X
- Zen 4 (7000 series)
- Intel 11th Gen Intel Core i9 11900KF
- Rocket Lake, 11th Gen Intel Core
Socket
- AMD Ryzen 9 7900X
- AM5
- Intel 11th Gen Intel Core i9 11900KF
- FCLGA1200
Socket Status
- AMD Ryzen 9 7900X
- Current
- Intel 11th Gen Intel Core i9 11900KF
- End of Life
Process Node
- AMD Ryzen 9 7900X
- 5 nm
- Intel 11th Gen Intel Core i9 11900KF
- 14 nm
Total Cores
- AMD Ryzen 9 7900X
- 12Best
- Intel 11th Gen Intel Core i9 11900KF
- 8
Performance Cores
- AMD Ryzen 9 7900X
- 12Best
- Intel 11th Gen Intel Core i9 11900KF
- 8
Efficiency Cores
- AMD Ryzen 9 7900X
- 0
- Intel 11th Gen Intel Core i9 11900KF
- 0
Total Threads
- AMD Ryzen 9 7900X
- 24Best
- Intel 11th Gen Intel Core i9 11900KF
- 16
SMT Enabled
- AMD Ryzen 9 7900X
- Yes
- Intel 11th Gen Intel Core i9 11900KF
- Yes
P-Core Base Clock
- AMD Ryzen 9 7900X
- 4.7 GHz
- Intel 11th Gen Intel Core i9 11900KF
- 3.5 GHz
P-Core Boost Clock
- AMD Ryzen 9 7900X
- 5.6 GHz
- Intel 11th Gen Intel Core i9 11900KF
- 5.3 GHz
L2 Cache
- AMD Ryzen 9 7900X
- 12 MBBest
- Intel 11th Gen Intel Core i9 11900KF
- 2 MB-83%
L3 Cache
- AMD Ryzen 9 7900X
- 64 MBBest
- Intel 11th Gen Intel Core i9 11900KF
- 16 MB-75%
Base Power
- AMD Ryzen 9 7900X
- 170 W
- Intel 11th Gen Intel Core i9 11900KF
- 125 W
Memory Type
- AMD Ryzen 9 7900X
- DDR5Best
- Intel 11th Gen Intel Core i9 11900KF
- DDR4
Max Memory Speed
- AMD Ryzen 9 7900X
- 5200 MT/sBest
- Intel 11th Gen Intel Core i9 11900KF
- 4 MT/s
Memory Channels
- AMD Ryzen 9 7900X
- 2
- Intel 11th Gen Intel Core i9 11900KF
- 2
ECC Support
- AMD Ryzen 9 7900X
- Yes
- Intel 11th Gen Intel Core i9 11900KF
- No
Integrated Graphics
- AMD Ryzen 9 7900X
- Yes
- Intel 11th Gen Intel Core i9 11900KF
- No
PCIe Generation
- AMD Ryzen 9 7900X
- PCIe 5.0
- Intel 11th Gen Intel Core i9 11900KF
- PCIe 4.0
PCIe Lanes
- AMD Ryzen 9 7900X
- 24
- Intel 11th Gen Intel Core i9 11900KF
- 20-17%
Launch MSRP
- AMD Ryzen 9 7900X
- $549
- Intel 11th Gen Intel Core i9 11900KF
- $549
Retail Availability
- AMD Ryzen 9 7900X
- Boxed Retail
- Intel 11th Gen Intel Core i9 11900KF
- Retail
Which one should you pick?
Choose 7900X if you want the higher L2 cache (12 MB vs 2 MB), the higher L3 cache (64 MB vs 16 MB) and the higher memory channels (2 vs 2).
Choose 11900KF if you already have it on hand or find it at a lower price.
Price comparison
| Retailer | AMD Ryzen 9 7900X | Intel 11th Gen Intel Core i9 11900KF |
|---|---|---|
| Amazon | $549.00 View on Amazon | |
| Newegg | View on Newegg | |
| Best Buy | View on Best Buy | |
| Consumercarts listing | $549.00 View on Consumercarts listing |
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
AMD Ryzen 9 7900X
8.6 / 10 Expert Rating
The AMD Ryzen 9 7900X is a strong all-rounder for enthusiasts who want top clock speeds for both gaming and productivity.