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AMD Ryzen 9 7900 vs AMD Ryzen 9 7950X3D: Comparison
Ryzen 9 7900 vs Ryzen 9 7950X3D: the l3 cache difference
Start with l3 cache, because it is the widest measured gap between them: Ryzen 9 7900 64 MB against Ryzen 9 7950X3D 128 MB, 50% in favour of Ryzen 9 7950X3D. The benchmark result agrees. Blender Cycles (CPU) puts Ryzen 9 7950X3D 24% ahead, 540 against 411 over 211 runs. Tdp is not the same on both, 65 W on the Ryzen 9 7900 versus 120 W on the Ryzen 9 7950X3D. There is a split on base power as well, 65 W on the Ryzen 9 7900 versus 120 W on the Ryzen 9 7950X3D.
Who each one is for
The Ryzen 9 7900 suits mainstream desktops and everyday productivity, though it is not the pick for competitive gaming rigs and heavy content creation. The Ryzen 9 7950X3D is the one to take for high-refresh-rate gaming and flagship gaming builds, though it is not built for budget builds and non-gaming workstation loads. Our rating of the Ryzen 9 7900 (7.9/10): the AMD Ryzen 9 7900 is a well-rounded mainstream desktop chip that covers everyday computing and light gaming without a premium price tag. Our rating of the Ryzen 9 7950X3D (9.2/10): the AMD Ryzen 9 7950X3D is one of the best gaming CPUs available, its huge L3 cache translating directly into higher in-game frame rates.
What Ryzen 9 7900 and Ryzen 9 7950X3D have in common
The common ground is wider than the gap: efficiency cores, integrated graphics, form factor, release year and market segment are identical here. They match on 3 further specifications as well.
Frequently asked questions
Do the Ryzen 9 7900 and Ryzen 9 7950X3D differ on total cores?
Yes. Total Cores reads 12 on the Ryzen 9 7900 versus 16 on the Ryzen 9 7950X3D.
Is the Microarchitecture the same on the Ryzen 9 7900 and Ryzen 9 7950X3D?
It is. Both are listed at Zen 4, so it is not a reason to pick one over the other.
Specs and benchmarks
Form Factor
- AMD Ryzen 9 7900
- Desktop
- AMD Ryzen 9 7950X3D
- Desktop
Codename
- AMD Ryzen 9 7900
- Raphael
- AMD Ryzen 9 7950X3D
- Raphael
Release Year
- AMD Ryzen 9 7900
- 2023
- AMD Ryzen 9 7950X3D
- 2023
TDP
- AMD Ryzen 9 7900
- 65 W
- AMD Ryzen 9 7950X3D
- 120 W
iGPU
- AMD Ryzen 9 7900
- AMD Radeon Graphics (2 CUs, RDNA 2)
- AMD Ryzen 9 7950X3D
- AMD Radeon Graphics
Market Segment
- AMD Ryzen 9 7900
- Desktop
- AMD Ryzen 9 7950X3D
- Desktop
Microarchitecture
- AMD Ryzen 9 7900
- Zen 4 (7000 series)
- AMD Ryzen 9 7950X3D
- Zen 4 (7000 series)
Socket
- AMD Ryzen 9 7900
- AM5 (LGA 1718)
- AMD Ryzen 9 7950X3D
- AM5
Process Node
- AMD Ryzen 9 7900
- 5 nm
- AMD Ryzen 9 7950X3D
- 5 nm
Total Cores
- AMD Ryzen 9 7900
- 12
- AMD Ryzen 9 7950X3D
- 16Best
Performance Cores
- AMD Ryzen 9 7900
- 12
- AMD Ryzen 9 7950X3D
- 16Best
Efficiency Cores
- AMD Ryzen 9 7900
- 0
- AMD Ryzen 9 7950X3D
- 0
Total Threads
- AMD Ryzen 9 7900
- 24
- AMD Ryzen 9 7950X3D
- 32Best
SMT Enabled
- AMD Ryzen 9 7900
- Yes
- AMD Ryzen 9 7950X3D
- Yes
P-Core Base Clock
- AMD Ryzen 9 7900
- 3.8 GHz
- AMD Ryzen 9 7950X3D
- 4.2 GHz
P-Core Boost Clock
- AMD Ryzen 9 7900
- 4.9 GHz
- AMD Ryzen 9 7950X3D
- 5.7 GHz
L3 Cache
- AMD Ryzen 9 7900
- 64 MB-50%
- AMD Ryzen 9 7950X3D
- 128 MBBest
Base Power
- AMD Ryzen 9 7900
- 65 W
- AMD Ryzen 9 7950X3D
- 120 W
Memory Type
- AMD Ryzen 9 7900
- DDR5
- AMD Ryzen 9 7950X3D
- DDR5
Integrated Graphics
- AMD Ryzen 9 7900
- Yes
- AMD Ryzen 9 7950X3D
- Yes
Benchmarks
- 3D Rendering
Blender Cycles (CPU)
- AMD Ryzen 9 7900
- 411-24%
- AMD Ryzen 9 7950X3D
- 540Best
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 7900 if you already have it on hand or find it at a lower price.
Choose 7950X3D if you want the higher L3 cache (128 MB vs 64 MB) and the higher blender cycles (CPU) (540 vs 411).
Price comparison
| Retailer | AMD Ryzen 9 7900 | AMD Ryzen 9 7950X3D |
|---|---|---|
| Newegg | View on Newegg | |
| Amazon | View on Amazon | $699.00 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 7900
7.9 / 10 Expert Rating
The AMD Ryzen 9 7900 is a well-rounded mainstream desktop chip that covers everyday computing and light gaming without a premium price tag.
AMD Ryzen 9 7950X3D
9.2 / 10 Expert Rating
The AMD Ryzen 9 7950X3D is one of the best gaming CPUs available, its huge L3 cache translating directly into higher in-game frame rates.