Ryzen Threadripper PRO 3955WX vs Ultra 9 290HX Plus
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 18 | 303 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 12.77 |
| Market segment | Laptop | Server |
| Series | no data | AMD Ryzen Threadripper |
| Power efficiency | no data | 3.44 |
| Designer | Intel | AMD |
| Manufacturer | TSMC | TSMC |
| Architecture codename | Arrow Lake-HX Refresh (2026) | Castle Peak (2020) |
| Release date | 17 March 2026 (recently) | 14 July 2020 (5 years ago) |
| Launch price (MSRP) | no data | $1,149 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Core Ultra 9 290HX Plus and Ryzen Threadripper PRO 3955WX basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 24 (Tetracosa-Core) | 16 (Hexadeca-Core) |
| Threads | 24 | 32 |
| Base clock speed | 2.7 GHz | 3.9 GHz |
| Boost clock speed | 5.5 GHz | 4.3 GHz |
| Multiplier | no data | 39 |
| L1 cache | 192 KB (per core) | 64 KB (per core) |
| L2 cache | 3 MB (per core) | 512 KB (per core) |
| L3 cache | 36 MB (shared) | 64 MB |
| Chip lithography | 3 nm | 7 nm, 12 nm |
| Die size | 243 mm2 | 2x 74 mm2 |
| Maximum case temperature (TCase) | no data | 95 °C |
| Number of transistors | 17,800 million | 7,600 million |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | + |
| Unlocked multiplier | + | - |
Compatibility
Information on Core Ultra 9 290HX Plus and Ryzen Threadripper PRO 3955WX compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | 1 | 1 |
| Socket | Intel BGA 2114 | WRX8 |
| Power consumption (TDP) | 55 Watt | 280 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core Ultra 9 290HX Plus and Ryzen Threadripper PRO 3955WX. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | no data |
Security technologies
Core Ultra 9 290HX Plus and Ryzen Threadripper PRO 3955WX technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core Ultra 9 290HX Plus and Ryzen Threadripper PRO 3955WX are enumerated here.
| AMD-V | - | + |
| VT-d | + | no data |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core Ultra 9 290HX Plus and Ryzen Threadripper PRO 3955WX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR4-3200 |
| Maximum memory size | no data | 2 TiB |
| Maximum memory bandwidth | no data | 204.8 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Arc Xe-LPG Graphics 64EU | N/A |
Peripherals
Specifications and connection of peripherals supported by Core Ultra 9 290HX Plus and Ryzen Threadripper PRO 3955WX.
| PCIe version | 5.0 | 4.0 |
| PCI Express lanes | 24 | 128 |
Synthetic benchmarks
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Recency | 17 March 2026 | 14 July 2020 |
| Physical cores | 24 | 16 |
| Threads | 24 | 32 |
| Chip lithography | 3 nm | 7 nm |
| Power consumption (TDP) | 55 Watt | 280 Watt |
Ultra 9 290HX Plus has an age advantage of 5 years, 50% more physical cores, a 133.3% more advanced lithography process, and 409.1% lower power consumption.
Ryzen Threadripper PRO 3955WX, on the other hand, has 33.3% more threads.
We couldn't decide between Intel Core Ultra 9 290HX Plus and AMD Ryzen Threadripper PRO 3955WX. We've got no test results to judge.
Be aware that Core Ultra 9 290HX Plus is a notebook processor while Ryzen Threadripper PRO 3955WX is a server/workstation one.
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