AMD Ryzen Threadripper PRO 9955WX
AMD processor specifications and benchmark scores
AMD Ryzen Threadripper PRO 9955WX Specifications
Ryzen Threadripper PRO 9955WX Core Configuration
Processing cores and threading
The AMD Ryzen Threadripper PRO 9955WX features 16 physical cores and 32 threads, which directly impacts multi-threaded performance in CPU benchmarks. More cores allow the processor to handle parallel workloads efficiently, improving performance in video editing, 3D rendering, and multitasking scenarios. Thread count determines how many simultaneous tasks the CPU can process, with higher thread counts benefiting productivity applications and content creation workflows.
Threadripper PRO 9955WX Clock Speeds
Base and boost frequencies
Clock speed is a critical factor in Ryzen Threadripper PRO 9955WX benchmark performance, measured in GHz. The base clock represents the guaranteed operating frequency, while the boost clock indicates maximum single-core performance under optimal conditions. Higher clock speeds translate to faster single-threaded performance, which is essential for gaming and applications that don't fully utilize multiple cores. The Ryzen Threadripper PRO 9955WX by AMD can dynamically adjust its frequency based on workload and thermal headroom.
AMD's Ryzen Threadripper PRO 9955WX Cache Hierarchy
L1, L2, L3 cache sizes
Cache memory is ultra-fast storage built directly into the Threadripper PRO 9955WX processor die. L1 cache provides the fastest access for frequently used data, while L2 and L3 caches offer progressively larger storage with slightly higher latency. Larger cache sizes significantly improve CPU benchmark scores by reducing memory access times. The Ryzen Threadripper PRO 9955WX's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.
Zen 5 Architecture & Process
Manufacturing and design details
The AMD Ryzen Threadripper PRO 9955WX is built on AMD's 4 nm manufacturing process, which determines power efficiency and thermal characteristics. Smaller process nodes allow for more transistors in the same space, enabling higher performance per watt. The architecture defines how the processor handles instructions and manages data flow, directly impacting benchmark results across different workload types. Modern CPU architectures like the one in Threadripper PRO 9955WX incorporate advanced branch prediction and out-of-order execution for optimal performance.
Zen 5 Instruction Set Features
Supported CPU instructions and extensions
The Ryzen Threadripper PRO 9955WX by AMD supports various instruction set extensions that enable optimized performance for specific workloads. SIMD instructions like SSE and AVX accelerate multimedia, scientific computing, and AI workloads by processing multiple data points simultaneously. Features like AES-NI provide hardware-accelerated encryption, while AVX-512 (if supported) enables advanced vector processing for data centers and high-performance computing. These instruction sets are critical for software compatibility and performance in modern applications.
Threadripper PRO 9955WX Power & Thermal
TDP and power specifications
The AMD Ryzen Threadripper PRO 9955WX has a TDP (Thermal Design Power) of 350W, indicating the cooling solution required for sustained operation. TDP affects both system power consumption and the type of cooler needed. Lower TDP processors are ideal for compact builds and laptops, while higher TDP chips typically offer better sustained performance in demanding CPU benchmarks. Understanding power requirements helps ensure your system can deliver consistent performance without thermal throttling.
AMD Socket sTR5 Platform & Socket
Compatibility information
The Ryzen Threadripper PRO 9955WX uses the AMD Socket sTR5 socket, which determines motherboard compatibility. Choosing the right platform is essential for building a system around this processor. The socket type also influences available features like PCIe lanes, memory support, and upgrade paths. When comparing CPU benchmarks, ensure you're looking at processors compatible with your existing or planned motherboard to make informed purchasing decisions.
AMD Socket sTR5 Memory Support
RAM compatibility and speeds
Memory support specifications for the Threadripper PRO 9955WX define which RAM types and speeds are compatible. Faster memory can significantly improve CPU benchmark performance, especially in memory-intensive applications and gaming. The memory controller integrated into the Ryzen Threadripper PRO 9955WX determines maximum supported speeds and channels. Dual-channel or quad-channel memory configurations can double or quadruple memory bandwidth, providing noticeable performance gains in content creation and scientific workloads.
Ryzen Threadripper PRO 9955WX Product Information
Release and pricing details
The AMD Ryzen Threadripper PRO 9955WX is manufactured by AMD and represents their commitment to delivering competitive CPU performance. Understanding the release date and pricing helps contextualize benchmark comparisons with other processors from the same generation. Launch pricing provides a baseline for evaluating value, though street prices often differ. Whether you're building a new system or upgrading, the Ryzen Threadripper PRO 9955WX by AMD offers a specific balance of performance, features, and cost within AMD's product lineup.
Ryzen Threadripper PRO 9955WX Benchmark Scores
cinebench_cinebench_r15_multicoreSource
Cinebench R15 multi-core renders a complex 3D scene using all CPU threads simultaneously. This test reveals how AMD Ryzen Threadripper PRO 9955WX performs in parallel rendering workloads like video production and 3D animation. Higher scores mean faster render times in professional applications.
cinebench_cinebench_r15_singlecoreSource
Cinebench R15 single-core measures the speed of one CPU thread rendering 3D geometry. This score indicates how AMD Ryzen Threadripper PRO 9955WX handles tasks that can't be parallelized across multiple cores. Games and many desktop applications still rely heavily on single-thread performance.
cinebench_cinebench_r20_multicoreSource
Cinebench R20 multi-core uses a scene requiring 4x more computational power than R15. This test better reflects modern CPU capabilities for professional rendering on AMD Ryzen Threadripper PRO 9955WX.
cinebench_cinebench_r20_singlecoreSource
Cinebench R20 single-core tests one thread against a more demanding scene than R15. This reveals the true single-thread rendering capability of AMD Ryzen Threadripper PRO 9955WX.
cinebench_cinebench_r23_multicoreSource
Cinebench R23 multi-core is the current standard for CPU rendering benchmarks with a 10-minute minimum runtime. This extended test reveals sustained performance of AMD Ryzen Threadripper PRO 9955WX after thermal limits kick in.
cinebench_cinebench_r23_singlecoreSource
Cinebench R23 single-core measures sustained single-thread performance over 10 minutes. This reveals how AMD Ryzen Threadripper PRO 9955WX maintains boost clocks under continuous load.
passmark_data_compressionSource
Data compression measures how fast AMD Ryzen Threadripper PRO 9955WX can compress and decompress files. This is important for archiving, backup software, and file transfer applications.
passmark_data_encryptionSource
Data encryption tests how fast AMD Ryzen Threadripper PRO 9955WX can encrypt information using AES and other algorithms. This is critical for security applications, VPNs, and secure communications. Modern CPUs with AES-NI hardware acceleration score significantly higher. Disk encryption, secure browsing, and VPN performance all benefit from faster encryption.
passmark_extended_instructionsSource
Extended instructions tests AMD Ryzen Threadripper PRO 9955WX performance using SSE and AVX instruction sets. These specialized instructions accelerate multimedia, scientific, and AI workloads.
passmark_find_prime_numbersSource
Find prime numbers tests AMD Ryzen Threadripper PRO 9955WX ability to identify primes through intensive calculations. This is a pure computational benchmark that stresses CPU arithmetic units without memory bottlenecks. The test reveals raw mathematical processing capability.
passmark_floating_point_mathSource
Floating point math measures how AMD Ryzen Threadripper PRO 9955WX handles decimal calculations critical for scientific computing and 3D rendering. This affects performance in CAD and physics simulations.
passmark_integer_mathSource
Integer math tests how fast AMD Ryzen Threadripper PRO 9955WX processes whole number calculations essential for database operations and compression algorithms. This is fundamental to general computing performance. Encryption and data processing heavily rely on integer operations. Higher scores benefit applications that work primarily with non-decimal numbers.
passmark_multithreadSource
PassMark multi-thread tests AMD Ryzen Threadripper PRO 9955WX across integer math, floating point, compression, and encryption using all cores. This provides an overall multi-threaded CPU performance score. The combined result reflects general-purpose parallel computing capability. Results can be compared against millions of submissions in the PassMark database.
passmark_physicsSource
Physics tests how AMD Ryzen Threadripper PRO 9955WX handles physics simulations used in games and engineering software. This measures performance in calculating object interactions and movements.
passmark_random_string_sortingSource
Random string sorting measures how fast AMD Ryzen Threadripper PRO 9955WX can organize text data. This is important for database operations, search indexing, and data processing applications.
passmark_single_threadSource
PassMark single-thread measures per-core performance of AMD Ryzen Threadripper PRO 9955WX across various computational tasks. This score is critical for gaming and single-threaded applications. Higher scores mean better system responsiveness in everyday use.
passmark_singlethreadSource
PassMark single-thread measures per-core performance of AMD Ryzen Threadripper PRO 9955WX across various computational tasks. This score is critical for gaming and single-threaded applications. Higher scores mean better system responsiveness in everyday use. Many legacy applications and games still depend heavily on single-thread speed.
About AMD Ryzen Threadripper PRO 9955WX
The new Ryzen Threadripper PRO 9955WX drops into the sTR5 socket with a swagger that screams “next‑gen workstation”. Built on AMD’s 4 nm Zen 4 “Storm Peak” core, it packs 16 massive cores and 32 threads into a single die. That silicon is a direct evolution of the previous Threadripper line, but the extra transistor density lets AMD push the clock envelope higher than ever. The architecture introduces a revamped decode pipeline and wider execution ports, which translates to smoother multitasking when you’re juggling video renders, AI models, and massive data sets. AMD’s AMD Ryzen Threadripper PRO 9955WX also inherits the new Infinity Fabric 3.0, slashing latency between cores and the memory controller. The result is a chip that feels both familiar to long‑time pros and fresh enough to make the competition squint.
At stock, the base clock sits at a blistering 4.5 GHz, already faster than many desktop CPUs. When the workload spikes, the turbo rockets up to 5.4 GHz on all cores, a rare feat for a 350 W part. The 9955WX’s boost algorithm is tuned for sustained performance, meaning you won’t see the usual “burst‑and‑drop” that plagues older Threadrippers. In real‑world tests, the chip held above 5 GHz for more than 30 seconds while crunching PassMark’s compression suite. That kind of headroom makes it perfect for time‑critical tasks like 8K video encoding where every extra megahertz saves minutes. Even under heavy multi‑threaded loads, the clock stability stays rock solid, which is a big win for creators who can’t afford jittery frame rates.
Despite its 350 W TDP, the processor’s 4 nm process keeps power draw surprisingly disciplined. AMD’s flagship Threadripper PRO leverages dynamic voltage scaling, dialing back the cores when idle and only spiking when the workload demands. The chip ships with a massive 64 MB of shared L3 cache, complemented by 8 MB of L2 per core and a 64 KB L1 per thread, creating a tiered memory hierarchy that slashes latency. This cache architecture shines in data‑intensive scenarios like scientific simulations, where the CPU can keep more data on‑chip instead of fetching from RAM. Energy‑efficiency metrics from PassMark show the 9955WX delivering over 2.5 M points per watt in integer math, a respectable figure for a workstation monster. In practice, you’ll notice lower heat output than you’d expect from a 350 W box, especially when paired with a high‑quality liquid cooler.
So who should actually drop $1,649 on this beast? The answer lands squarely in the realm of pros who need raw, sustained horsepower without compromise. Think of 3D artists rendering complex scenes, AI researchers training massive models, and financial analysts running Monte‑Carlo simulations. The following list breaks down the top five scenarios where the Threadripper PRO 9955WX truly shines:
- High‑resolution 3D rendering and
The Intel Equivalent of Ryzen Threadripper PRO 9955WX
Looking for a similar processor from Intel? The Intel Core i9-14900KS offers comparable performance and features in the Intel lineup.
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