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AMD Ryzen 9 7900X3D vs Intel Core i9-13900KF: Comparison
AMD Ryzen 9 7900X3D vs Intel Core i9-13900KF: the l3 cache difference
The gap that matters here is l3 cache: AMD Ryzen 9 7900X3D 128 MB against Intel Core i9-13900KF 36 MB, which puts AMD Ryzen 9 7900X3D 72% ahead. Intel Core i9-13900KF also leads on l2 cache, 12 MB on the AMD Ryzen 9 7900X3D versus 32 MB on the Intel Core i9-13900KF. There is a split on tdp as well, 120 W on the AMD Ryzen 9 7900X3D versus 125 W on the Intel Core i9-13900KF.
Who each one is for
The AMD Ryzen 9 7900X3D suits high-refresh-rate gaming and flagship gaming builds, though it is not built for budget builds and non-gaming workstation loads. Buy the Intel Core i9-13900KF for enthusiast desktop gaming and overclocking, though it is not the pick for laptops and fanless designs. Our rating of the AMD Ryzen 9 7900X3D (9.2/10): the AMD Ryzen 9 7900X3D is one of the best gaming CPUs available, its huge L3 cache translating directly into higher in-game frame rates. Our rating of the Intel Core i9-13900KF (8.7/10): the Intel Core i9-13900KF is an unlocked flagship desktop chip, a top pick for enthusiasts who want to overclock.
Which is cheaper, AMD Ryzen 9 7900X3D or Intel Core i9-13900KF?
At the last price check the Intel Core i9-13900KF was $564 and the AMD Ryzen 9 7900X3D $599, a 6% premium.
Where the two are identical
Where they agree, they agree completely, form factor, market segment, smt enabled, unlocked multiplier 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 7900X3D and Intel Core i9-13900KF differ on total cores?
Yes. Total Cores reads 12 on the AMD Ryzen 9 7900X3D versus 24 on the Intel Core i9-13900KF.
Is the ECC Support the same on the AMD Ryzen 9 7900X3D and Intel Core i9-13900KF?
It is. Both are listed at Yes, so it is not a reason to pick one over the other.
Specs and benchmarks
Form Factor
- AMD Ryzen 9 7900X3D
- Desktop
- Intel Core i9-13900KF
- Desktop
Codename
- AMD Ryzen 9 7900X3D
- Raphael
- Intel Core i9-13900KF
- Raptor Lake
Release Year
- AMD Ryzen 9 7900X3D
- 2023
- Intel Core i9-13900KF
- 2022
TDP
- AMD Ryzen 9 7900X3D
- 120 W
- Intel Core i9-13900KF
- 125 W
iGPU
- AMD Ryzen 9 7900X3D
- AMD Radeon Graphics
- Intel Core i9-13900KF
- None
Market Segment
- AMD Ryzen 9 7900X3D
- Desktop
- Intel Core i9-13900KF
- Desktop
Microarchitecture
- AMD Ryzen 9 7900X3D
- Zen 4 (7000 series)
- Intel Core i9-13900KF
- Raptor Lake
Socket
- AMD Ryzen 9 7900X3D
- AM5
- Intel Core i9-13900KF
- FCLGA1700
Socket Status
- AMD Ryzen 9 7900X3D
- Current
- Intel Core i9-13900KF
- End of Life
Process Node
- AMD Ryzen 9 7900X3D
- 5 nm
- Intel Core i9-13900KF
- 10 nm
Total Cores
- AMD Ryzen 9 7900X3D
- 12
- Intel Core i9-13900KF
- 24Best
Performance Cores
- AMD Ryzen 9 7900X3D
- 12Best
- Intel Core i9-13900KF
- 8
Efficiency Cores
- AMD Ryzen 9 7900X3D
- 0
- Intel Core i9-13900KF
- 16Best
Total Threads
- AMD Ryzen 9 7900X3D
- 24
- Intel Core i9-13900KF
- 32Best
SMT Enabled
- AMD Ryzen 9 7900X3D
- Yes
- Intel Core i9-13900KF
- Yes
P-Core Base Clock
- AMD Ryzen 9 7900X3D
- 4.4 GHz
- Intel Core i9-13900KF
- 3 GHz
P-Core Boost Clock
- AMD Ryzen 9 7900X3D
- 5.6 GHz
- Intel Core i9-13900KF
- 5.4 GHz
Unlocked Multiplier
- AMD Ryzen 9 7900X3D
- Yes
- Intel Core i9-13900KF
- Yes
L2 Cache
- AMD Ryzen 9 7900X3D
- 12 MB-62%
- Intel Core i9-13900KF
- 32 MBBest
L3 Cache
- AMD Ryzen 9 7900X3D
- 128 MBBest
- Intel Core i9-13900KF
- 36 MB-72%
3D Stacked Cache
- AMD Ryzen 9 7900X3D
- Yes
- Intel Core i9-13900KF
- No
Base Power
- AMD Ryzen 9 7900X3D
- 120 W
- Intel Core i9-13900KF
- 125 W
Max Turbo Power
- AMD Ryzen 9 7900X3D
- 162 W
- Intel Core i9-13900KF
- 253 W
Memory Type
- AMD Ryzen 9 7900X3D
- DDR5
- Intel Core i9-13900KF
- DDR5 or DDR4
Max Memory Speed
- AMD Ryzen 9 7900X3D
- 5200 MT/s
- Intel Core i9-13900KF
- 5600 MT/sBest
Memory Channels
- AMD Ryzen 9 7900X3D
- 2
- Intel Core i9-13900KF
- 2
Max Memory Capacity
- AMD Ryzen 9 7900X3D
- 128 GB
- Intel Core i9-13900KF
- 192 GBBest
ECC Support
- AMD Ryzen 9 7900X3D
- Yes
- Intel Core i9-13900KF
- Yes
Integrated Graphics
- AMD Ryzen 9 7900X3D
- Yes
- Intel Core i9-13900KF
- No
Copilot Plus Certified
- AMD Ryzen 9 7900X3D
- No
- Intel Core i9-13900KF
- No
PCIe Generation
- AMD Ryzen 9 7900X3D
- PCIe 5.0
- Intel Core i9-13900KF
- PCIe 5.0
PCIe Lanes
- AMD Ryzen 9 7900X3D
- 24
- Intel Core i9-13900KF
- 20-17%
Launch MSRP
- AMD Ryzen 9 7900X3D
- $599
- Intel Core i9-13900KF
- $564
Retail Availability
- AMD Ryzen 9 7900X3D
- Boxed Retail
- Intel Core i9-13900KF
- Boxed Retail
Which one should you pick?
Choose 7900X3D if you want the higher L3 cache (128 MB vs 36 MB), the higher memory channels (2 vs 2) and the higher PCIe lanes (24 vs 20).
Choose 13900KF if you want the higher L2 cache (32 MB vs 12 MB).
Price comparison
| Retailer | AMD Ryzen 9 7900X3D | Intel Core i9-13900KF |
|---|---|---|
| Newegg | $599.00 View on Newegg | |
| Amazon | View on Amazon | $564.00 View on Amazon |
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 7900X3D
9.2 / 10 Expert Rating
The AMD Ryzen 9 7900X3D is one of the best gaming CPUs available, its huge L3 cache translating directly into higher in-game frame rates.
Intel Core i9-13900KF
8.7 / 10 Expert Rating
The Intel Core i9-13900KF is an unlocked flagship desktop chip, a top pick for enthusiasts who want to overclock.