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AMD Ryzen 9 9955HX3D vs Intel Core Ultra 9 290HX Plus: Comparison
AMD Ryzen 9 9955HX3D vs Intel Core Ultra 9 290HX Plus l3 cache compared
On l3 cache the spread is 72%, AMD Ryzen 9 9955HX3D 128 MB against Intel Core Ultra 9 290HX Plus 36 MB, so AMD Ryzen 9 9955HX3D takes it. Cinebench 2024 (Multi-Core) backs the spec sheet up. AMD Ryzen 9 9955HX3D scores 2,108 to 2,104, 0% clear. L2 cache runs the same way, 16 MB on the AMD Ryzen 9 9955HX3D versus 40 MB on the Intel Core Ultra 9 290HX Plus, another win for Intel Core Ultra 9 290HX Plus.
Which should you buy, AMD Ryzen 9 9955HX3D or Intel Core Ultra 9 290HX Plus?
The AMD Ryzen 9 9955HX3D suits high-end gaming laptops and mobile workstations, though it is not built for thin-and-light laptops and battery-focused ultraportables. Buy the Intel Core Ultra 9 290HX Plus for flagship gaming laptops with high-end graphics cards and mobile workstations for video editing, 3D rendering and code builds, though it is not the pick for thin and light laptops where battery life comes first and copilot+ PC AI features, which need a 40+ TOPS NPU. It is not the one for gamers on a budget, where a Core Ultra 7 HX laptop gets close for less. Our rating of the AMD Ryzen 9 9955HX3D (9.1/10): the AMD Ryzen 9 9955HX3D is the pinnacle of mobile gaming performance, bringing 3D V-Cache and desktop-class core counts to a laptop chassis.
Where the two are identical
Everything else lines up. Tdp, integrated graphics, form factor, market segment and memory channels read the same on both, so those are not worth weighing. They match on 2 further specifications as well.
Do the AMD Ryzen 9 9955HX3D and Intel Core Ultra 9 290HX Plus differ on total cores?
Yes. Total Cores reads 16 on the AMD Ryzen 9 9955HX3D versus 24 on the Intel Core Ultra 9 290HX Plus.
Is the ECC Support the same on the AMD Ryzen 9 9955HX3D and Intel Core Ultra 9 290HX Plus?
It is. Both are listed at No, so it is not a reason to pick one over the other.
Specs and benchmarks
Form Factor
- AMD Ryzen 9 9955HX3D
- Laptop
- Intel Core Ultra 9 290HX Plus
- Laptop
Codename
- AMD Ryzen 9 9955HX3D
- Fire Range
- Intel Core Ultra 9 290HX Plus
- Arrow Lake
Release Year
- AMD Ryzen 9 9955HX3D
- 2025
- Intel Core Ultra 9 290HX Plus
- 2026
TDP
- AMD Ryzen 9 9955HX3D
- 55 W
- Intel Core Ultra 9 290HX Plus
- 55 W
iGPU
- AMD Ryzen 9 9955HX3D
- AMD Radeon 610M
- Intel Core Ultra 9 290HX Plus
- Intel Graphics
Market Segment
- AMD Ryzen 9 9955HX3D
- Laptop
- Intel Core Ultra 9 290HX Plus
- Laptop
Microarchitecture
- AMD Ryzen 9 9955HX3D
- Zen 5 (Fire Range)
- Intel Core Ultra 9 290HX Plus
- Arrow Lake
Socket
- AMD Ryzen 9 9955HX3D
- FL1
- Intel Core Ultra 9 290HX Plus
- FCBGA2114
Process Node
- AMD Ryzen 9 9955HX3D
- TSMC 4nm FinFET
- Intel Core Ultra 9 290HX Plus
- 3 nm
Total Cores
- AMD Ryzen 9 9955HX3D
- 16
- Intel Core Ultra 9 290HX Plus
- 24Best
Performance Cores
- AMD Ryzen 9 9955HX3D
- 16Best
- Intel Core Ultra 9 290HX Plus
- 8
Efficiency Cores
- AMD Ryzen 9 9955HX3D
- 0
- Intel Core Ultra 9 290HX Plus
- 16Best
Total Threads
- AMD Ryzen 9 9955HX3D
- 32Best
- Intel Core Ultra 9 290HX Plus
- 24
SMT Enabled
- AMD Ryzen 9 9955HX3D
- Yes
- Intel Core Ultra 9 290HX Plus
- No
P-Core Base Clock
- AMD Ryzen 9 9955HX3D
- 2.5 GHz
- Intel Core Ultra 9 290HX Plus
- 2.7 GHz
P-Core Boost Clock
- AMD Ryzen 9 9955HX3D
- 5.4 GHz
- Intel Core Ultra 9 290HX Plus
- 5.5 GHz
L2 Cache
- AMD Ryzen 9 9955HX3D
- 16 MB-60%
- Intel Core Ultra 9 290HX Plus
- 40 MBBest
L3 Cache
- AMD Ryzen 9 9955HX3D
- 128 MBBest
- Intel Core Ultra 9 290HX Plus
- 36 MB-72%
Base Power
- AMD Ryzen 9 9955HX3D
- 55-75W
- Intel Core Ultra 9 290HX Plus
- 55 W
Max Turbo Power
- AMD Ryzen 9 9955HX3D
- 75 W
- Intel Core Ultra 9 290HX Plus
- 160 W
Max Operating Temp
- AMD Ryzen 9 9955HX3D
- 100 C
- Intel Core Ultra 9 290HX Plus
- 105 C
Memory Type
- AMD Ryzen 9 9955HX3D
- DDR5, 2-Channel
- Intel Core Ultra 9 290HX Plus
- DDR5 up to 6400 MT/s
Max Memory Speed
- AMD Ryzen 9 9955HX3D
- 5600 MT/s
- Intel Core Ultra 9 290HX Plus
- 6400 MT/sBest
Memory Channels
- AMD Ryzen 9 9955HX3D
- 2
- Intel Core Ultra 9 290HX Plus
- 2
Max Memory Capacity
- AMD Ryzen 9 9955HX3D
- 96 GB
- Intel Core Ultra 9 290HX Plus
- 256 GBBest
ECC Support
- AMD Ryzen 9 9955HX3D
- No
- Intel Core Ultra 9 290HX Plus
- No
Integrated Graphics
- AMD Ryzen 9 9955HX3D
- Yes
- Intel Core Ultra 9 290HX Plus
- Yes
iGPU Model
- AMD Ryzen 9 9955HX3D
- AMD Radeon 610M
- Intel Core Ultra 9 290HX Plus
- Intel Graphics
iGPU Compute Units
- AMD Ryzen 9 9955HX3D
- 2
- Intel Core Ultra 9 290HX Plus
- 4
Copilot Plus Certified
- AMD Ryzen 9 9955HX3D
- No
- Intel Core Ultra 9 290HX Plus
- No
PCIe Generation
- AMD Ryzen 9 9955HX3D
- PCIe 5.0
- Intel Core Ultra 9 290HX Plus
- PCIe 5.0 and 4.0
PCIe Lanes
- AMD Ryzen 9 9955HX3D
- 28
- Intel Core Ultra 9 290HX Plus
- 24-14%
Retail Availability
- AMD Ryzen 9 9955HX3D
- Tray OEM
- Intel Core Ultra 9 290HX Plus
- Soldered Only
Benchmarks
- General CPU
Cinebench 2024 (Multi-Core)
- AMD Ryzen 9 9955HX3D
- 2,108Best
- Intel Core Ultra 9 290HX Plus
- 2,1040%
Renders a 3D scene on every core. Shows speed in rendering and other heavy work.
Cinebench 2024 (Single-Core)
- AMD Ryzen 9 9955HX3D
- 130-7%
- Intel Core Ultra 9 290HX Plus
- 140Best
Renders a 3D scene on one core. Shows how quick the CPU feels in everyday apps and games.
Which one should you pick?
Choose 9955HX3D if you want the higher L3 cache (128 MB vs 36 MB), the higher memory channels (2 vs 2) and the higher PCIe lanes (28 vs 24).
Choose 290HX Plus if you want the higher L2 cache (40 MB vs 16 MB) and the higher cinebench 2024 (Single-Core) (140 vs 130).
Verdict
AMD Ryzen 9 9955HX3D
9.1 / 10 Expert Rating
The AMD Ryzen 9 9955HX3D is the pinnacle of mobile gaming performance, bringing 3D V-Cache and desktop-class core counts to a laptop chassis.