AMD Ryzen Threadripper PRO 9955WX 16c/32t 4.5GHz-5.4GHz 350W (100-000000725)

P/N: 100-000000725

1 648 (excl. TAX)

1978 € RRP en Amd.com

  • Delivery is made within 3-7 days

  • Warranty 1 year

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AMD

AMD Ryzen Threadripper Pro 9955WX processor with fast EU delivery and worldwide shipping. The best price in the European Union. Includes official warranty.

Categories: AMD Threadripper

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Technical Specifications Product

Dimensions 17 × 17 × 10 cm
Country of manufacture

Taiwan

Manufacturer's warranty (years)

1

Series

Threadripper Pro

Number of cores

16

Number of threads

32

Clock frequency (GHz)

4.5

Cache L3 (MB)

64

Cache L2 (MB)

16

Cache L1 (KB)

1280

Process technology (nm)

4

Maximum Turbo Frequency (GHz)

5.4

Memory type

DDR5

Maximum memory channels

8

Maximum memory frequency (MHz)

6400

Maximum memory capacity

2TB

Heat dissipation TDP (W)

350

PCI Express controller

PCIE 5.0

Number of PCI Express lanes

128

Processors on a motherboard

1

Length (cm)

17

Width (cm)

17

Architecture

Zen 5 (Shimada Peak)

Socket

sTR5

Product description

AMD Ryzen Threadripper PRO 9955WX Processor: Unrivaled Power for Professionals

The AMD Threadripper Pro 9955WX processor is built on the advanced Zen 5 architecture and manufactured using a 4nm process technology. Zen 5 architecture provides a significant increase in IPC (instructions per clock), improving single-threaded and multi-threaded performance. The advanced 4nm process technology ensures high energy efficiency and transistor density, which is the foundation for achieving impressive clock rates with controlled heat dissipation.

The performance of this processor is based on 16 high-performance cores and 32 computing threads. This configuration is ideal for parallel computing, allowing you to effectively work with rendering complex 3D scenes, compiling massive projects and analyzing large amounts of data. This ensures smooth operation in resource-intensive applications and outstanding multitasking without compromise.

The base clock frequency of the processor is 4.5 GHz, providing stable high performance under long loads. In Turbo Boost mode, the frequency automatically increases to an impressive 5.4 GHz for a single core. This balance ensures instant response in tasks requiring maximum speed and stable operation under load, which is critical for professional workstations.

The processor is equipped with a three-level cache system to minimize latency. The L3 cache is an impressive 64 MB, L2 – 16 MB, and the L1 cache is 1280 KB and provides ultra-fast data access for each core. A large cache directly accelerates work with large data sets and complex projects, significantly reducing the waiting time for a response from the main RAM.

Threadripper Pro 9955WX uses the sTR5 socket, designed for professional and HEDT platforms. It provides reliable power and wide connectivity options. The processor is compatible with the AMD WRX90 and TRX50 chipsets, which provide access to the maximum number of PCIe 5.0 lanes and other flagship technologies. This ensures stability and ample room for system expansion.

The processor supports eight-channel DDR5 memory with error correction (ECC REG), which is the gold standard for workstations. Eight channels provide colossal bandwidth, and ECC support ensures data integrity, which is critical for scientific calculations and working with financial information. The maximum capacity of up to 2TB removes any restrictions when working with memory.

The thermal package (TDP) of the processor is 350 W, which requires the use of a highly efficient cooling system for stable operation under peak loads. Support for modern instruction sets, including AVX-512, significantly accelerates specific tasks in the field of artificial intelligence, scientific computing and simulation, providing a key advantage in professional applications.

A key advantage of the platform is support for up to 128 PCIe 5.0 lanes (with the WRX90 chipset). This allows you to simultaneously use multiple graphics cards, high-speed NVMe drives and network adapters without any compromise in speed. Such bandwidth eliminates system bottlenecks and opens up new horizons for creating powerful configurations.

AMD Threadripper Pro 9955WX is not just a processor, but a foundation for creating an uncompromising workstation. It is designed to solve the most complex professional tasks that require maximum performance and reliability.

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Product Berchmark

Benchmark overview — AMD Ryzen Threadripper PRO 9955WX

The AMD Ryzen Threadripper PRO 9955WX is positioned as an entry point into the Threadripper PRO 9000WX platform. It combines workstation-class memory and I/O capabilities with strong single-thread responsiveness and balanced multi-thread throughput. This section focuses on in-family comparison and cost-aware alternatives, rather than generic performance claims.

In-family performance comparison (Threadripper PRO 9000WX)

The figures below illustrate relative positioning inside the Threadripper PRO 9000WX lineup. Multi-thread throughput is represented by an aggregate performance score, while single-thread ratings indicate expected responsiveness in latency-sensitive workloads.

CPU Multi-Thread Score Single-Thread Score
Threadripper PRO 9955WX 67,444 4,510
Threadripper PRO 9965WX 93,203 4,525
Threadripper PRO 9975WX 106,464 4,421
Threadripper PRO 9985WX 154,304 4,514
Threadripper PRO 9995WX 176,398 4,575

What this means in practice

The 9955WX acts as a high-clock, lower-core entry into the PRO platform. It delivers competitive single-thread performance and solid overall throughput, but it is clearly outpaced in heavily parallel workloads by higher-core models within the same family.

Single-thread scores across the 9000WX lineup remain within a relatively narrow range. As a result, lightly threaded workloads are often influenced more by boost behavior, memory configuration, I/O topology, and application characteristics than by core count alone.

Cinebench 2024 performance

Test Score
Single-Core 131
Multi-Core 2400

These results confirm the same behavior observed in aggregate benchmarks. Single-core performance places the 9955WX firmly in the modern workstation class, while multi-core scaling reflects its position below higher-tier PRO models with significantly more cores.

Cost-aware alternatives (indicative pricing)

The prices below are indicative examples and should be уточнены in the product catalog or with a sales manager. They are used here solely to illustrate relative performance density.

CPU Indicative RRP (€) Performance per €
Threadripper PRO 9955WX 2,058 32.77
Threadripper PRO 9965WX 3,480 26.78
Threadripper PRO 9975WX 4,890 21.77
Threadripper PRO 9985WX 9,227 16.72
Threadripper PRO 9995WX 13,684 12.89

Multiple lower-tier CPUs vs fewer high-end CPUs

In environments where workloads scale efficiently across multiple machines and licensing permits,
several lower-tier CPUs may deliver higher combined throughput than fewer high-end processors at a comparable budget.

  • 4 × Threadripper PRO 9955WX → total throughput score: 269,776 (≈ €8,232)
  • 2 × Threadripper PRO 9975WX → total throughput score: 212,928 (≈ €9,780)

This comparison represents a planning scenario rather than a guarantee. Real performance depends on software scaling behavior, memory and I/O requirements, infrastructure design, and licensing models.

How to read these numbers correctly

  • Benchmarks indicate relative behavior under controlled conditions, not exact real-world performance.
  • Single-thread metrics matter for responsiveness and lightly parallel workloads.
  • Multi-thread metrics matter for rendering, simulation, and batch processing.
  • Price-to-performance ratios are useful for planning, but system-level costs are equally important.
  • Platform factors such as memory, PCIe, cooling, and power often have a greater impact than small score differences.

Practical takeaway

The Threadripper PRO 9955WX is a balanced entry into the PRO workstation platform. It is well suited for users who require professional-grade I/O and memory support with strong single-thread responsiveness, while higher-core models are better aligned with consistently parallel workloads.

Product FAQ

The 9955WX is designed for professional workstation users who need access to the Threadripper PRO platform but do not require the highest possible core count. It is well suited for engineers, developers, and technical specialists who value strong single-thread responsiveness, large memory capacity, and enterprise-grade I/O, while keeping acquisition costs under control.

The main difference is core count and aggregate multi-thread throughput. Higher-tier PRO models scale significantly better in workloads that fully utilize many cores, such as large renders or heavy simulations.
The 9955WX, however, remains competitive in single-thread and lightly parallel workloads, where clock behavior and platform characteristics matter more than raw core numbers.

No. Single-thread performance on the 9955WX is in line with the rest of the Threadripper PRO 9000WX family. In practical terms, this means that interactive applications, build systems with many short tasks, and latency-sensitive workloads do not suffer compared to higher-core models from the same generation.

The 9955WX is a good choice when:

  • workloads are mixed rather than fully parallel,

  • software licensing favors lower core counts,

  • budget efficiency matters,

  • or when multiple smaller nodes are preferred over a single large system.

If the workload consistently saturates all available cores for long periods, a higher-core PRO model will usually be a better fit.

While non-PRO Threadrippers may offer strong raw performance, the PRO platform provides additional benefits such as higher memory capacity, full ECC support, and expanded I/O capabilities.
The 9955WX should be chosen when platform features, stability, and scalability are more important than peak performance per socket alone.

In some scenarios, yes. If the workload scales efficiently across multiple machines and licensing permits, several lower-tier CPUs can deliver higher combined throughput than fewer high-end processors.
However, this depends heavily on application scaling behavior, memory requirements, network and storage architecture, and operational complexity.

Yes, provided that the virtualization workload benefits from strong per-core performance and large memory capacity rather than extreme core counts. For high VM density scenarios, higher-core Threadripper PRO models may offer better consolidation efficiency.

The 9955WX is well suited for long-term use in professional environments where stability, memory capacity, and I/O longevity matter. Its position as an entry point into the PRO platform allows organizations to standardize on sTR5 infrastructure while retaining flexibility for future upgrades.

Benchmark scores should be viewed as relative indicators, not absolute guarantees. They are useful for comparing CPUs under controlled conditions but do not capture all aspects of real workloads. System configuration, memory layout, cooling, and software behavior can have a greater impact on real-world performance than small differences in benchmark scores.

The primary trade-off is lower peak multi-thread throughput compared to higher-core PRO models. In exchange, users gain lower cost, simpler licensing considerations, and strong performance in workloads that do not scale linearly with core count.

Payment & Shipping methods

Fast and reliable delivery across the European Union
Estimated transit time: 14–21 days from order confirmation. Worldwide shipping is available for customers outside the EU.
All orders are processed within 24 hours after confirmation. Tracking information is provided as soon as the parcel leaves our logistics center.

Multiple Secure Payment Methods
We accept: Visa, MasterCard, PayPal, Bank Transfer, Klarna, Stripe, Revolut Pay, Google Pay, Apple Pay, and USDT (TRC20) cryptocurrency payments.
All transactions are encrypted and processed via certified payment gateways for your security.

Additional Notes

  • Delivery times may vary depending on customs clearance and carrier schedules.
  • Large or custom-built items may require additional handling time.
  • Shipments are insured until delivered to the customer.
  • We do not deliver to P.O. boxes or military addresses.

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