Ryzen Threadripper PRO 9955WX

Details and Benchmarks for AMD Ryzen Threadripper PRO 9955WX

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Benchmark Results

Combined benchmark scores based on multiple data points, giving a quick overview of this processor's performance.

Overall Score

Overall score for Ryzen Threadripper PRO 9955WX based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

8,051 Rank: 22
Rank Name Score Visual
18 Ryzen Threadripper 7960X 8,132
+1%
19 Core i9-14900K 8,131
+1%
20 Core Ultra 7 265K 8,122
+0.9%
21 Core Ultra 7 265KF 8,114
+0.8%
22 Ryzen Threadripper PRO 9955WX 8,051
23 Core i9-13900KF 8,002
-0.6%
24 Ryzen 9 7950X 7,974
-1%
25 Ryzen Threadripper PRO 7965WX 7,970
-1%
26 Ryzen 9 7950X3D 7,951
-1.2%
27 Ryzen 9 9900X3D 7,931
-1.5%

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Multicore Score

Multicore performance score for Ryzen Threadripper PRO 9955WX based on multi-threaded benchmark results.

8,437 Rank: 19
Rank Name Score Visual
15 Ryzen Threadripper PRO 7965WX 8,931
+5.9%
16 Ryzen Threadripper 3990X 8,778
+4%
17 Xeon w9-3495X 8,763
+3.9%
18 Ryzen Threadripper PRO 5995WX 8,600
+1.9%
19 Ryzen Threadripper PRO 9955WX 8,437
20 EPYC 7642 8,338
-1.2%
21 Core i9-13900KS 8,222
-2.5%
22 Core i9-14900KS 8,176
-3.1%
23 Core Ultra 9 285K 8,160
-3.3%
24 Ryzen 9 9950X3D 8,151
-3.4%

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Singlecore Score

Single-core performance score for Ryzen Threadripper PRO 9955WX based on single-threaded benchmark results.

7,794 Rank: 23
Rank Name Score Visual
19 Core i9-14900 7,838
+0.6%
20 Ryzen Threadripper 9980X 7,822
+0.4%
21 Ryzen Threadripper PRO 9975WX 7,809
+0.2%
22 Ryzen Threadripper PRO 9995WX 7,800
+0.1%
23 Ryzen Threadripper PRO 9955WX 7,794
24 Ryzen Threadripper PRO 9965WX 7,793
+-0%
25 Core i9-13900 7,725
-0.9%
26 Ryzen 9 7945HX3D 7,685
-1.4%
27 Core i7-13700K 7,670
-1.6%
28 Ryzen 9 7900X 7,642
-2%

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Workload Scores

Performance scores grouped by workload type, normalized and aggregated from multiple raw benchmark results.

Number Crunching

Aggregated score for Ryzen Threadripper PRO 9955WX based on integer math, floating point math, and prime number computation benchmarks.

7,080 Rank: 39
Rank Name Score Visual
35 Ryzen Threadripper PRO 3975WX 7,194
+1.6%
36 Ryzen Threadripper 3970X 7,171
+1.3%
37 Ryzen 9 9900X3D 7,139
+0.8%
38 Ryzen 9 9950X 7,131
+0.7%
39 Ryzen Threadripper PRO 9955WX 7,080
40 Ryzen 9 7945HX3D 7,002
-1.1%
41 Xeon Gold 6442Y 6,999
-1.1%
42 EPYC 7F72 6,954
-1.8%
43 Xeon Gold 6430 6,945
-1.9%
44 Xeon w7-3455 6,916
-2.3%

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Data Processing

Aggregated score for Ryzen Threadripper PRO 9955WX based on data encryption, data compression, and string sorting benchmarks.

7,176 Rank: 32
Rank Name Score Visual
28 Ryzen Threadripper 3960X 7,320
+2%
29 EPYC 7F72 7,299
+1.7%
30 EPYC 7542 7,254
+1.1%
31 Core Ultra 9 285K 7,227
+0.7%
32 Ryzen Threadripper PRO 9955WX 7,176
33 Xeon W-3375 7,154
-0.3%
34 Ryzen 9 7950X 7,142
-0.5%
35 Xeon Gold 6438Y+ 7,122
-0.8%
36 Ryzen 9 9950X3D 7,109
-0.9%
37 EPYC 7452 7,106
-1%

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Physics & Compute

Aggregated score for Ryzen Threadripper PRO 9955WX based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

7,456 Rank: 31
Rank Name Score Visual
27 Xeon Gold 6442Y 7,562
+1.4%
28 Xeon w7-3465X 7,551
+1.3%
29 Xeon W-3375 7,492
+0.5%
30 EPYC 7F72 7,482
+0.3%
31 Ryzen Threadripper PRO 9955WX 7,456
32 Ryzen 9 9900X3D 7,308
-2%
33 Ryzen 9 7950X3D 7,275
-2.4%
34 Ryzen Threadripper PRO 5965WX 7,243
-2.9%
35 Ryzen Threadripper PRO 3975WX 7,238
-2.9%
36 EPYC 7F52 7,135
-4.3%

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Ryzen Threadripper PRO 9955WX Details

Built on AMD's Zen 4 (Storm Peak) architecture and fabricated at TSMC using a 4 nm process, the Ryzen Threadripper PRO 9955WX represents a high-end desktop processor designed for demanding professional workloads. Released in July 2025, this chip is positioned at the top of the workstation CPU hierarchy, targeting users who require extreme multi-threaded performance in applications such as 3D rendering, video editing, and scientific computing. Its advanced manufacturing process enables a transistor count of 16.63 billion, contributing to both performance and efficiency within its class.

The processor features 16 cores and 32 threads, enabled by Simultaneous Multithreading (SMT), and operates at a base frequency of 4.5 GHz with a maximum turbo frequency of 5.4 GHz. It is built on a two-die configuration, with a 70.6 mm² Zen 4 core complex and a 388 mm² I/O die manufactured at 6 nm. The chip supports DDR5 memory across an eight-channel interface, with official support up to 6400 MT/s, and includes ECC memory support, making it suitable for mission-critical systems where data integrity is essential. The memory bandwidth reaches 409.6 GB/s, significantly enhancing performance in memory-intensive tasks.

With a TDP of 350 W, the Ryzen Threadripper PRO 9955WX demands robust cooling solutions and is compatible with the sTR5 socket, requiring a compatible WRX90 or TRX50 motherboard. It supports PCIe 5.0 with 128 lanes directly from the CPU, allowing for high-speed expansion with multiple GPUs, NVMe drives, and other peripherals. The processor includes extensive instruction set support, including AVX, AVX2, AVX-512, and AMD-V virtualization, enabling optimized performance in compute-heavy applications and virtual machines.

In benchmark testing, the Ryzen Threadripper PRO 9955WX achieves an overall score of 8051, placing it at #22 among 2060 processors. It scores 7794 in single-core performance, ranking #23, and 8437 in multicore performance, ranking #19. While it trails behind the top-tier Threadripper PRO 9995WX and Ryzen Threadripper 9980X in both single- and multi-core performance, it outperforms mainstream desktop processors like the Core i9-14900KS and Ryzen 9 7950X in multi-threaded tasks. Its strongest performance lies in multi-core workloads, where it competes closely with other high-end workstation CPUs.

As of March 2026, the Ryzen Threadripper PRO 9955WX remains a formidable choice for professionals and power users who require scalable, high-performance computing with ECC memory, extensive PCIe connectivity, and strong multi-threaded capabilities. While it lacks integrated graphics and is not suitable for mainstream gaming, its architecture and feature set make it ideal for workstation environments, content creation, and technical computing.
Frequently Compared

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AMD Ryzen Threadripper PRO 9955WX

Main Specifications

Designer: AMD
Name: Ryzen Threadripper PRO 9955WX
Cores: 16
Threads: 32
Base Frequency: 4500 MHz
Clock Multiplier: 45x (unlocked)
Core Name: Shimada Peak
Socket: Socket sTR5
Package: FC-LGA4844
Target Segment: Desktop
TDP: 350 W

Cache Specifications

L1 Cache: 62.464 KiB
L2 Cache: 0.954 MiB
L3 Cache: 61.035 MiB

Memory Specifications

Supported Memory Type: DDR5

Physical Specifications

Process: 4 nm
Die Area: 70.6 mm²
Manufacturer: TSMC

CPU Features

MMX SSE SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 AVX AVX2 BMI1 BMI2 FMA3 F16C SMEP SSE4a SHA AMD-Vi AMD-V AVX-512 SMT
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