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AMD Ryzen 9 7900X vs Intel Core i9-13900K: Comparison
AMD Ryzen 9 7900X vs Intel Core i9-13900K l3 cache compared
Start with l3 cache, because it is the widest measured gap between them: AMD Ryzen 9 7900X 64 MB against Intel Core i9-13900K 36 MB, 44% in favour of AMD Ryzen 9 7900X. Cinebench R23 (Multi-Core) backs the spec sheet up. Intel Core i9-13900K scores 38,481 to 29,472, 23% clear. Intel Core i9-13900K also leads on l2 cache, 12 MB on the AMD Ryzen 9 7900X versus 32 MB on the Intel Core i9-13900K.
AMD Ryzen 9 7900X vs Intel Core i9-13900K: which one fits your build
The AMD Ryzen 9 7900X is the one to take 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 Core i9-13900K for buyers on the mature LGA 1700 platform wanting flagship-tier Raptor Lake gaming and productivity performance at a lower price than the 14900K. Avoid it for new builds without an existing LGA 1700 investment, the newer Arrow Lake lineup offers better power efficiency on a fresh platform. 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 Core i9-13900K have in common
The common ground is wider than the gap: integrated graphics, form factor, release year, market segment and smt enabled are identical here. They match on 7 further specifications as well.
AMD Ryzen 9 7900X vs Intel Core i9-13900K price
The Intel Core i9-13900K asks 7% more, $589 against $549 for the AMD Ryzen 9 7900X.
Frequently asked questions
Do the AMD Ryzen 9 7900X and Intel Core i9-13900K differ on total cores?
Yes. Total Cores reads 12 on the AMD Ryzen 9 7900X versus 24 on the Intel Core i9-13900K.
Is the Unlocked Multiplier the same on the AMD Ryzen 9 7900X and Intel Core i9-13900K?
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 7900X
- Desktop
- Intel Core i9-13900K
- Desktop
Codename
- AMD Ryzen 9 7900X
- Raphael
- Intel Core i9-13900K
- Raptor Lake
Release Year
- AMD Ryzen 9 7900X
- 2022
- Intel Core i9-13900K
- 2022
TDP
- AMD Ryzen 9 7900X
- 170 W
- Intel Core i9-13900K
- 125 W
iGPU
- AMD Ryzen 9 7900X
- AMD Radeon Graphics
- Intel Core i9-13900K
- Intel UHD Graphics 770
Market Segment
- AMD Ryzen 9 7900X
- Desktop
- Intel Core i9-13900K
- Desktop
Microarchitecture
- AMD Ryzen 9 7900X
- Zen 4 (7000 series)
- Intel Core i9-13900K
- Raptor Lake, 13th Gen Intel Core
Socket
- AMD Ryzen 9 7900X
- AM5
- Intel Core i9-13900K
- FCLGA1700
Socket Status
- AMD Ryzen 9 7900X
- Current
- Intel Core i9-13900K
- End of Life
Process Node
- AMD Ryzen 9 7900X
- 5 nm
- Intel Core i9-13900K
- 10 nm
Total Cores
- AMD Ryzen 9 7900X
- 12
- Intel Core i9-13900K
- 24Best
Performance Cores
- AMD Ryzen 9 7900X
- 12Best
- Intel Core i9-13900K
- 8
Efficiency Cores
- AMD Ryzen 9 7900X
- 0
- Intel Core i9-13900K
- 16Best
Total Threads
- AMD Ryzen 9 7900X
- 24
- Intel Core i9-13900K
- 32Best
SMT Enabled
- AMD Ryzen 9 7900X
- Yes
- Intel Core i9-13900K
- Yes
P-Core Base Clock
- AMD Ryzen 9 7900X
- 4.7 GHz
- Intel Core i9-13900K
- 3 GHz
P-Core Boost Clock
- AMD Ryzen 9 7900X
- 5.6 GHz
- Intel Core i9-13900K
- 5.4 GHz
Unlocked Multiplier
- AMD Ryzen 9 7900X
- Yes
- Intel Core i9-13900K
- Yes
L2 Cache
- AMD Ryzen 9 7900X
- 12 MB-62%
- Intel Core i9-13900K
- 32 MBBest
L3 Cache
- AMD Ryzen 9 7900X
- 64 MBBest
- Intel Core i9-13900K
- 36 MB-44%
3D Stacked Cache
- AMD Ryzen 9 7900X
- No
- Intel Core i9-13900K
- No
Base Power
- AMD Ryzen 9 7900X
- 170 W
- Intel Core i9-13900K
- 125 W
Max Turbo Power
- AMD Ryzen 9 7900X
- 230 W
- Intel Core i9-13900K
- 253 W
Memory Type
- AMD Ryzen 9 7900X
- DDR5
- Intel Core i9-13900K
- DDR5 or DDR4
Max Memory Speed
- AMD Ryzen 9 7900X
- 5200 MT/s
- Intel Core i9-13900K
- 5600 MT/sBest
Memory Channels
- AMD Ryzen 9 7900X
- 2
- Intel Core i9-13900K
- 2
Max Memory Capacity
- AMD Ryzen 9 7900X
- 128 GB
- Intel Core i9-13900K
- 192 GBBest
ECC Support
- AMD Ryzen 9 7900X
- Yes
- Intel Core i9-13900K
- Yes
Integrated Graphics
- AMD Ryzen 9 7900X
- Yes
- Intel Core i9-13900K
- Yes
iGPU Model
- AMD Ryzen 9 7900X
- AMD Radeon Graphics
- Intel Core i9-13900K
- Intel UHD Graphics 770
Copilot Plus Certified
- AMD Ryzen 9 7900X
- No
- Intel Core i9-13900K
- No
PCIe Generation
- AMD Ryzen 9 7900X
- PCIe 5.0
- Intel Core i9-13900K
- PCIe 5.0
PCIe Lanes
- AMD Ryzen 9 7900X
- 24
- Intel Core i9-13900K
- 20-17%
Launch MSRP
- AMD Ryzen 9 7900X
- $549
- Intel Core i9-13900K
- $589
Retail Availability
- AMD Ryzen 9 7900X
- Boxed Retail
- Intel Core i9-13900K
- Boxed Retail
Benchmarks
- General CPU
Cinebench R23 (Multi-Core)
- AMD Ryzen 9 7900X
- 29,472-23%
- Intel Core i9-13900K
- 38,481Best
Renders a 3D scene on every core. Shows speed in rendering and other heavy work.
Cinebench R23 (Single-Core)
- AMD Ryzen 9 7900X
- 2,034-9%
- Intel Core i9-13900K
- 2,240Best
Renders a 3D scene on one core. Shows how quick the CPU feels in everyday apps and games.
Which one should you pick?
Choose 7900X 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 20).
Choose 13900K if you want the higher L2 cache (32 MB vs 12 MB), the higher cinebench R23 (Multi-Core) (38,481 vs 29,472) and the higher cinebench R23 (Single-Core) (2,240 vs 2,034).
Price comparison
| Retailer | AMD Ryzen 9 7900X | Intel Core i9-13900K |
|---|---|---|
| Amazon | $549.00 View on Amazon | $589.00 View on Amazon |
| Newegg | View on Newegg | View on Newegg |
| Best Buy | View on Best Buy |
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.
Intel Core i9-13900K
8.3 / 10 Expert Rating
The Intel Core i9-13900K is still a powerful 24-core desktop chip, now largely matched by its cheaper 14th-gen successors.