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AMD Ryzen Threadripper Pro 9955WX Review | 78 Data compared

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  • Avg. price in UK: ~£1,350
  • Avg. price in US: ~$1,650
  • PassMark benchmark result: 67473
  • N. of physical cores: 16
  • CPU boost clock speed: 5.4 GHz

AMD Ryzen Threadripper Pro 9955WX review. Compare 78 technical specifications and user reviews to see how it ranks among processors and if it is worth buying.

8.5

Overall score

What it is: An overall evaluation of the processor's quality, based on technical analyses and user reviews.

When it matters: When you need a quick reference to identify the best processors on the market.

Score components:

90.0%

8.6

Technical Score

10.0%

7.3

User score

Excellent
8.6

Technical Score

What it is: An assessment of the processor's technical performance, covering key areas such as processing performance, core configuration, efficiency, platform support, integrated features, and thermal behavior.

When it matters: When you want to compare processors based on technical performance and available features.

Score components:

60.0%

9.0

Performance

18.0%

9.0

Cache & Architecture

10.0%

9.4

Memory & PCIe

7.0%

3.4

Power & Thermal

4.0%

9.3

Platform

1.0%

2.8

Integrated Graphics

Excellent
7.3

User score

What it is: A rating that combines user reviews and the total number of reviews received by the processor.

When it matters: When you want to know how a processor performs in real workloads and how reliable it is for gaming, productivity, and efficiency according to user feedback.

Score components:

70.0%

10

User reviews

30.0%

1.0

Popularity

User score:
United Kingdom
amazon
5.0
(1)

(Reviews last updated: May 2026)

Very good
  • 8.9
    Gaming

    Score components:

    30.0%

    8.9

    PassMark single-core benchmark score

    25.0%

    9.0

    Geekbench 6 single-core benchmark score

    20.0%

    8.8

    CPU boost clock speed

    17.0%

    10

    L3 cache

    8.0%

    6.7

    N. of physical cores

  • 9.2
    Video editing

    Score components:

    45.0%

    9.6

    Geekbench 6 multi-core benchmark score

    20.0%

    6.7

    N. of physical cores

    20.0%

    10

    CPU threads

    15.0%

    10

    L3 cache

  • amd-ryzen-threadripper-pro-9955wx
amd-ryzen-threadripper-pro-9955wx

Best prices in UK

Best rankings

?

Available: ranking among products currently available (including other versions of this product).
All: ranking among all products in the database.

Verdict

The AMD Ryzen Threadripper PRO 9955WX is a high-frequency workstation processor based on the Zen 5 architecture, featuring 16 cores and 32 threads with a 4.5 GHz base and up to 5.4 GHz boost clock. Key characteristics include 128 PCIe 5.0 lanes, 8-channel DDR5-6400 RDIMM memory support with ECC, and a 350W TDP, all housed on the sTR5 socket. Its main pros are exceptional single-threaded and lightly-threaded performance, massive I/O expandability for multi-GPU setups, and professional-grade security features. Primary cons include its high power consumption and the significant platform cost required for compatible motherboards and memory.

Technical Specifications of processor AMD Ryzen Threadripper Pro 9955WX

Technical Score

What it is: An assessment of the processor's technical performance, covering key areas such as processing performance, core configuration, efficiency, platform support, integrated features, and thermal behavior.

When it matters: When you want to compare processors based on technical performance and available features.

Score components:

60.0%

9.0

Performance

18.0%

9.0

Cache & Architecture

10.0%

9.4

Memory & PCIe

7.0%

3.4

Power & Thermal

4.0%

9.3

Platform

1.0%

2.8

Integrated Graphics

8.6
AMD Ryzen Threadripper Pro 9955WX has a technical score of 8.58 points, which is higher than that of 98.5% of products in this category.
User score

What it is: A rating that combines user reviews and the total number of reviews received by the processor.

When it matters: When you want to know how a processor performs in real workloads and how reliable it is for gaming, productivity, and efficiency according to user feedback.

Score components:

70.0%

10

User reviews

30.0%

1.0

Popularity

User score:
United Kingdom
amazon
5.0
(1)

(Reviews last updated: May 2026)

7.3
AMD Ryzen Threadripper Pro 9955WX has a user score of 7.3 points, which is lower than that of 92.4% of products in this category.
Popularity
What it is: An indicator based on the number of reviews received by the processor.
When it matters: When you prefer to choose a processor reviewed and selected by many other buyers.
1.0
AMD Ryzen Threadripper Pro 9955WX has a popularity of 1 points, which is higher than 0% of products in this category.
Ratio quality/price

What it is: An indicator that combines the processor's overall rating with its cost.

When it matters: When you are looking for a processor with a good balance between performance, efficiency, and price.

Score components:

60.0%

8.5

Overall score

40.0%

3.4

Price

6.9
AMD Ryzen Threadripper Pro 9955WX has a quality-to-price ratio of 6.9 points, which is higher than 69% of products in this category.
Brand name
What it is: The manufacturer or brand of the product.
When it matters: When you prefer a specific ecosystem, support network, or design philosophy.

Importance: MEDIUM

AMD
Processor type
What it is: The kind of system the processor is built for, such as desktop PCs, laptops, workstations, or servers.
When it matters: When you want a processor meant for the kind of machine you are actually building or buying, rather than a chip aimed at a different class of system.

Importance: HIGH

workstation
AMD Ryzen Threadripper Pro 9955WX belongs to the workstation processor class, which is more advanced than that of 95.1% of processors and equal to that of 4.9% of processors.
desktop workstation
CPU socket
What it is: The physical socket the processor fits into on the motherboard.
When it matters: When you need to make sure the CPU can actually be installed on a specific motherboard.

Importance: HIGH

sTR5
AMD Ryzen Threadripper Pro 9955WX uses the sTR5 CPU socket, which is newer than that of 94.3% of processors and equal to that of 1.4% of processors.
Chipset
What it is: The motherboard chipset families officially meant to work with the processor.
When it matters: When you are checking whether a CPU will work with the motherboard features and platform you plan to use.

Importance: HIGH

WRX90, TRX50
AMD Ryzen Threadripper Pro 9955WX supports WRX90, TRX50 chipsets, which is broader compatibility than 99% of processors and equal to that of 1% of processors.
CPU architecture
What it is: The processor family or design generation behind the chip, such as Zen 4 or Raptor Lake.
When it matters: When you are comparing CPUs across generations and want a clearer sense of their design age, feature level, and expected performance class.

Importance: HIGH

x86-64
AMD Ryzen Threadripper Pro 9955WX uses the x86-64 architecture, which is more advanced than that of 1.7% of processors and equal to that of 98.3% of processors.
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N. of physical cores
What it is: The number of physical CPU cores on the processor.
When it matters: When you run workloads that benefit from more real cores.

Importance: HIGH

Good value: 8+

16
AMD Ryzen Threadripper Pro 9955WX has 16 CPU cores, which is more than 91.5% of processors and equal to 4% of processors.
CPU threads
What it is: The total number of processing threads the CPU can handle at once.
When it matters: When you run heavily threaded workloads or multitask a lot.

Importance: HIGH

Good value: 16+

32
AMD Ryzen Threadripper Pro 9955WX offers 32 CPU threads, which is more than 95% of processors and equal to 3% of processors.
Threads per core
What it is: The number of threads each physical core can handle at once.
When it matters: When you want to understand how much thread-level parallelism each core can provide in multitasking or heavily threaded work.

Importance: MEDIUM

Good value: 2

2
AMD Ryzen Threadripper Pro 9955WX offers 2 threads per core, which is more than 30.4% of processors and equal to 69.6% of processors.
CPU boost clock speed
What it is: The highest clock speed the processor can reach under boost conditions.
When it matters: When you care about peak speed in short bursts.

Importance: HIGH

Good value: >4.7 GHz

5.4 GHz
AMD Ryzen Threadripper Pro 9955WX reaches a boost clock of 5.4 GHz which is higher than that of 94.9% of processors and equal to that of 2.6% of processors.
CPU base clock speed
What it is: The processor's normal all-core starting frequency before boost behavior raises clocks temporarily.
When it matters: When you care about steadier performance in longer workloads rather than short burst speed alone.

Importance: MEDIUM

16 x 4.5 GHz
AMD Ryzen Threadripper Pro 9955WX has a base clock of 16x4.5 GHz which is equal to that of 100% of processors.
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Semiconductor size
What it is: The manufacturing process node used to produce the processor, usually expressed in nanometers.
When it matters: When efficiency, heat, and the relative modernity of the chip-making process matter to your comparison.

Importance: HIGH

Good value: <10 nm

4 nm
AMD Ryzen Threadripper Pro 9955WX uses a 4 nm process node, which is more advanced than that of 88.4% of processors and equal to that of 7.5% of processors.
Foundry
What it is: The semiconductor manufacturer that physically fabricates the processor chip.
When it matters: When process source, manufacturing generation, or foundry differences matter to your comparison more than day-to-day performance alone.

Importance: MEDIUM

TSMC 4 nm
AMD Ryzen Threadripper Pro 9955WX is built on the TSMC 4 nm foundry process, which is more advanced than that of 87% of processors and equal to that of 7.5% of processors.
L3 cache
What it is: The total amount of L3 cache available on the processor.
When it matters: When you want better performance in cache-sensitive workloads and games.

Importance: MEDIUM

Good value: >=16 MB

64 MB
AMD Ryzen Threadripper Pro 9955WX has an L3 cache of 64 MB which is larger than that of 94.6% of processors and equal to that of 2.8% of processors.
L2 cache
What it is: The total amount of L2 cache available across the processor.
When it matters: When you want to compare CPU design efficiency and how much fast intermediate cache the cores have available.

Importance: MEDIUM

Good value: >=6 MB

16 MB
AMD Ryzen Threadripper Pro 9955WX has an L2 cache of 16 MB which is larger than that of 89.8% of processors and equal to that of 2.7% of processors.
L1 cache
What it is: The total amount of L1 cache built into the processor, which sits closest to the cores.
When it matters: When you are comparing low-level CPU design details rather than the broader performance picture buyers usually notice first.

Importance: MEDIUM

Good value: >=512 KB

1,280 KB
AMD Ryzen Threadripper Pro 9955WX has an L1 cache of 1,280 KB which is larger than that of 92.2% of processors and equal to that of 0.6% of processors.
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DDR memory version
What it is: The RAM generation the processor is designed to support, such as DDR4 or DDR5.
When it matters: When you need the CPU to match the kind of memory platform you want to buy or reuse.

Importance: MEDIUM

Good value: DDR5

DDR5
AMD Ryzen Threadripper Pro 9955WX supports DDR DDR5, which is newer than that of 66.4% of processors and equal to that of 12.6% of processors.
Maximum memory speed
What it is: The highest official memory speed supported by the processor.
When it matters: When you choose RAM and want to know the supported speed ceiling.

Importance: HIGH

Good value: >=4800 MHz

6,400 MHz
AMD Ryzen Threadripper Pro 9955WX supports memory speeds up to 6,400 MHz, which is higher than that of 83.9% of processors and equal to 8.1% of processors.
Max memory speed (JEDEC)
What it is: The highest official RAM speed the processor supports under standard JEDEC settings, before any memory overclocking profiles are applied.
When it matters: When officially supported stock RAM speed matters more than XMP, EXPO, or manual memory tuning.

Importance: MEDIUM

Good value: >=5600 MHz

DDR5-6400 MHz
AMD Ryzen Threadripper Pro 9955WX supports JEDEC memory speeds up to DDR5-6,400 MHz, which is higher than that of 88.5% of processors and equal to 2.4% of processors.
Max memory speed (XMP / EXPO)
What it is: The highest memory speed supported through XMP or EXPO profiles.
When it matters: When you want faster RAM through memory profiles.

Importance: MEDIUM

Good value: >=5200 MHz

6,400 MHz
AMD Ryzen Threadripper Pro 9955WX supports XMP/EXPO memory speeds up to 6,400 MHz, which is higher than that of 97.3% of processors and equal to 2% of processors.
Maximum memory capacity
What it is: The largest total amount of memory officially supported by the processor.
When it matters: When you plan a system with very large RAM capacity.

Importance: HIGH

Good value: >=128 GB

2048 GB
AMD Ryzen Threadripper Pro 9955WX supports up to 2,048 GB of memory, which is more than 98.4% of processors and equal to 1.7% of processors.
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Integrated graphics
What it is: Includes built-in graphics, so the system can output video without a separate graphics card.
When it matters: When you want the PC to work without a dedicated GPU, or you are building an office, media, compact, or troubleshooting-friendly system.

Importance: HIGH

no
AMD Ryzen Threadripper Pro 9955WX does not include integrated graphics. 87.6% include integrated graphics.
Integrated GPU model
What it is: The model name of the integrated graphics processor, if present.
When it matters: When you plan to use the CPU's built-in graphics.

Importance: MEDIUM

N/A
Integrated GPU execution units
What it is: The number of execution units available in the integrated graphics part of the processor.
When it matters: When you plan to rely on built-in graphics and want a better sense of its light gaming, display, or media capability.

Importance: MEDIUM

Good value: >=24

N/A
Integrated GPU base frequency
What it is: The base operating frequency of the integrated GPU.
When it matters: When integrated graphics performance matters to you.

Importance: MEDIUM

Good value: >=350 MHz

N/A
Integrated media encoders/decoders
What it is: The hardware media formats the processor can encode or decode directly.
When it matters: When you stream, edit video, or rely on hardware media acceleration.

Importance: LOW

N/A
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TDP (Thermal design power)
What it is: The rated thermal design power, which gives a general idea of cooling and power needs.
When it matters: When you choose a cooler or build in a tighter case.

Importance: HIGH

Good value: <30 W

350 W
AMD Ryzen Threadripper Pro 9955WX has a TDP of 350 W which is higher than that of 98.7% of processors and equal to that of 1.3% of processors.
Base power (PL1)
What it is: The sustained power target used for longer CPU loads.
When it matters: When you choose cooling and power delivery for sustained workloads.

Importance: MEDIUM

Good value: <30 W

350 W
AMD Ryzen Threadripper Pro 9955WX has a base power of 350 W which is higher than that of 98.7% of processors and equal to that of 1.3% of processors.
Boost power (PL2)
What it is: The short-term boost power limit the processor may draw under heavier turbo loads.
When it matters: When you size cooling and power delivery for peak turbo behavior.

Importance: MEDIUM

Good value: <50 W

?
Tau (power duration limit)
What it is: The time limit the CPU can stay at higher boost power before dropping toward sustained power.
When it matters: When you want to understand turbo behavior under longer loads.

Importance: MEDIUM

Good value: <=28 s

N/A
Configurable TDP
What it is: Allows the processor to run in alternate power modes instead of being fixed to one default TDP target.
When it matters: When you want more control over heat, noise, and power draw in compact systems, quieter builds, or thermally limited machines.

Importance: LOW

no
AMD Ryzen Threadripper Pro 9955WX does not support configurable TDP. 52.9% support configurable TDP.
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AMD Ryzen Threadripper Pro 9955WX vs the average processor

  • 6.41x higher PassMark score
    AMD Ryzen Threadripper Pro 9955WX has a higher PassMark benchmark score than the average processor (67,473 vs 10,532.5). The average processor scores 10,532.5 in PassMark benchmark.
    What it is: A benchmark score that gives a broad idea of overall processor performance.
    When it matters: When you want a quick overall performance comparison.

    Importance: HIGH

    Good value: >19000

    AMD Ryzen Threadripper Pro 9955WX has a higher PassMark benchmark score than the average processor (67,473 vs 10,532.5). The average processor scores 10,532.5 in PassMark benchmark.67,473 vs 10,532.5
  • 4.58x higher multi-core score
    AMD Ryzen Threadripper Pro 9955WX has a higher Geekbench 6 multi-core score than the average processor (21,965 vs 4,793). The average processor scores 4,793 in Geekbench 6 multi-core.
    What it is: A Geekbench 6 score that reflects multi-core CPU performance in mixed modern workloads.
    When it matters: When you want a quick picture of multi-core speed in everyday mixed workloads, multitasking, and broadly optimized software.

    Importance: HIGH

    Good value: >8500

    AMD Ryzen Threadripper Pro 9955WX has a higher Geekbench 6 multi-core score than the average processor (21,965 vs 4,793). The average processor scores 4,793 in Geekbench 6 multi-core.21,965 vs 4,793
  • 81.6% better single-core performance
    AMD Ryzen Threadripper Pro 9955WX has a higher PassMark single-core score than the average processor (4,510 vs 2,483). The average processor scores 2,483 in PassMark single-core.
    What it is: A benchmark score that reflects single-core CPU performance.
    When it matters: When you care about responsiveness in lighter or older software.

    Importance: HIGH

    Good value: >3200

    AMD Ryzen Threadripper Pro 9955WX has a higher PassMark single-core score than the average processor (4,510 vs 2,483). The average processor scores 2,483 in PassMark single-core.4,510 vs 2,483
  • 2.08x higher single-core score
    AMD Ryzen Threadripper Pro 9955WX has a higher Geekbench 6 single-core score than the average processor (3,067 vs 1,471). The average processor scores 1,471 in Geekbench 6 single-core.
    What it is: A Geekbench 6 score that reflects single-core CPU performance in mixed modern workloads.
    When it matters: When you care about snappy everyday performance in lighter apps, browsing, office work, or tasks that do not scale well across many cores.

    Importance: HIGH

    Good value: >2000

    AMD Ryzen Threadripper Pro 9955WX has a higher Geekbench 6 single-core score than the average processor (3,067 vs 1,471). The average processor scores 1,471 in Geekbench 6 single-core.3,067 vs 1,471
  • 24 more CPU threads
    AMD Ryzen Threadripper Pro 9955WX has more CPU threads than the average processor (32 vs 8). The average processor has 8 CPU threads.
    What it is: The total number of processing threads the CPU can handle at once.
    When it matters: When you run heavily threaded workloads or multitask a lot.

    Importance: HIGH

    Good value: 16+

    AMD Ryzen Threadripper Pro 9955WX has more CPU threads than the average processor (32 vs 8). The average processor has 8 CPU threads.32 vs 8
  • 10 more CPU cores
    AMD Ryzen Threadripper Pro 9955WX has more CPU cores than the average processor (16 vs 6). The average processor has 6 CPU cores.
    What it is: The number of physical CPU cores on the processor.
    When it matters: When you run workloads that benefit from more real cores.

    Importance: HIGH

    Good value: 8+

    AMD Ryzen Threadripper Pro 9955WX has more CPU cores than the average processor (16 vs 6). The average processor has 6 CPU cores.16 vs 6
  • 8x larger L3 cache
    AMD Ryzen Threadripper Pro 9955WX has a higher L3 cache than the average processor (64 MB vs 8 MB). The average processor has L3 cache of 8 MB.
    What it is: The total amount of L3 cache available on the processor.
    When it matters: When you want better performance in cache-sensitive workloads and games.

    Importance: MEDIUM

    Good value: >=16 MB

    AMD Ryzen Threadripper Pro 9955WX has a higher L3 cache than the average processor (64 MB vs 8 MB). The average processor has L3 cache of 8 MB.64 MB vs 8 MB
  • 25.6% higher boost clock
    AMD Ryzen Threadripper Pro 9955WX has a higher boost clock speed than the average processor (5.4 GHz vs 4.3 GHz). The average processor reaches boost clock speed of 4.3 GHz.
    What it is: The highest clock speed the processor can reach under boost conditions.
    When it matters: When you care about peak speed in short bursts.

    Importance: HIGH

    Good value: >4.7 GHz

    AMD Ryzen Threadripper Pro 9955WX has a higher boost clock speed than the average processor (5.4 GHz vs 4.3 GHz). The average processor reaches boost clock speed of 4.3 GHz.5.4 GHz vs 4.3 GHz
  • Modern CPU socket
    AMD Ryzen Threadripper Pro 9955WX uses a more modern CPU socket than the average processor (sTR5 vs FP2).
  • 5 year/s newer release date
    AMD Ryzen Threadripper Pro 9955WX has a newer release date than the average processor (2025 vs 2020).
  • Higher-end processor class
    AMD Ryzen Threadripper Pro 9955WX belongs to a higher-end processor class than the average processor (workstation vs mobile).
  • 6.41x higher PassMark score
    AMD Ryzen Threadripper Pro 9955WX has a higher PassMark benchmark score than the average processor (67,473 vs 10,532.5). The average processor scores 10,532.5 in PassMark benchmark.
  • 4.58x higher multi-core score
    AMD Ryzen Threadripper Pro 9955WX has a higher Geekbench 6 multi-core score than the average processor (21,965 vs 4,793). The average processor scores 4,793 in Geekbench 6 multi-core.
  • 81.6% better single-core performance
    AMD Ryzen Threadripper Pro 9955WX has a higher PassMark single-core score than the average processor (4,510 vs 2,483). The average processor scores 2,483 in PassMark single-core.
  • 2.08x higher single-core score
    AMD Ryzen Threadripper Pro 9955WX has a higher Geekbench 6 single-core score than the average processor (3,067 vs 1,471). The average processor scores 1,471 in Geekbench 6 single-core.
  • 24 more CPU threads
    AMD Ryzen Threadripper Pro 9955WX has more CPU threads than the average processor (32 vs 8). The average processor has 8 CPU threads.
  • 10 more CPU cores
    AMD Ryzen Threadripper Pro 9955WX has more CPU cores than the average processor (16 vs 6). The average processor has 6 CPU cores.
  • 25.6% higher boost clock
    AMD Ryzen Threadripper Pro 9955WX has a higher boost clock speed than the average processor (5.4 GHz vs 4.3 GHz). The average processor reaches boost clock speed of 4.3 GHz.
  • Unlocked for overclocking
    AMD Ryzen Threadripper Pro 9955WX has an unlocked multiplier, the average processor does not.
  • 4 wider front-end design
    AMD Ryzen Threadripper Pro 9955WX has a higher front-end width than the average processor (8 vs 4). The average processor uses front-end width of 4.
  • 17 higher clock multiplier
    AMD Ryzen Threadripper Pro 9955WX has a higher clock multiplier than the average processor (45 vs 28). The average processor has a clock multiplier of 28.
  • 8x larger L3 cache
    AMD Ryzen Threadripper Pro 9955WX has a higher L3 cache than the average processor (64 MB vs 8 MB). The average processor has L3 cache of 8 MB.
  • 6.4x larger L2 cache
    AMD Ryzen Threadripper Pro 9955WX has a higher L2 cache than the average processor (16 MB vs 2.5 MB). The average processor has L2 cache of 2.5 MB.
  • More advanced microarchitecture
    AMD Ryzen Threadripper Pro 9955WX uses a more advanced microarchitecture than the average processor (Shimada Peak vs Kaby Lake).
  • 66.7% smaller process node
    AMD Ryzen Threadripper Pro 9955WX has a lower process node than the average processor (4 nm vs 12 nm). The average processor uses a process node of 12 nm.
  • 2.33x more L3 per core
    AMD Ryzen Threadripper Pro 9955WX has more L3 cache per core than the average processor (4 MB/core vs 1,714 MB/core). The average processor provides 1,714 MB/core of L3 cache per core.
  • 3.33x larger L1 cache
    AMD Ryzen Threadripper Pro 9955WX has a higher L1 cache than the average processor (1,280 KB vs 384 KB). The average processor has L1 cache of 384 KB.
  • More advanced foundry
    AMD Ryzen Threadripper Pro 9955WX uses a more advanced foundry process than the average processor (TSMC 4 nm vs Intel 14 nm).
  • 2x more L2 per core
    AMD Ryzen Threadripper Pro 9955WX has more L2 cache per core than the average processor (1 MB/core vs 0.5 MB/core). The average processor provides 0.5 MB/core of L2 cache per core.
  • 3.36x more transistors
    AMD Ryzen Threadripper Pro 9955WX has more transistors than the average processor (16.6 billion vs 4.95 billion). The average processor has 4.95 billion transistors.
  • 132 more PCIe lanes
    AMD Ryzen Threadripper Pro 9955WX has more PCIe lanes than the average processor (148 vs 16). The average processor offers 16 PCIe lanes.
  • Newer PCIe version
    AMD Ryzen Threadripper Pro 9955WX supports a newer PCIe version than the average processor (5 vs 3.0).
  • 32x more memory capacity
    AMD Ryzen Threadripper Pro 9955WX has more maximum memory capacity than the average processor (2,048 GB vs 64 GB). The average processor supports 64 GB of memory.
  • 8.94x higher memory bandwidth
    AMD Ryzen Threadripper Pro 9955WX has a higher memory bandwidth than the average processor (409.6 GB/s vs 45.8 GB/s). The average processor offers memory bandwidth of 45.8 GB/s.
  • 2.18x higher memory speed
    AMD Ryzen Threadripper Pro 9955WX has a higher maximum memory speed than the average processor (6,400 MHz vs 2,933 MHz). The average processor supports memory speed of 2,933 MHz.
  • Supports memory overclocking
    AMD Ryzen Threadripper Pro 9955WX supports memory overclocking, the average processor does not.
  • Newer DDR support
    AMD Ryzen Threadripper Pro 9955WX supports a newer DDR generation than the average processor (DDR5 vs DDR4).
  • Supports ECC memory
    AMD Ryzen Threadripper Pro 9955WX supports ECC memory, the average processor does not.
  • 5 °C lower CPU temperature
    AMD Ryzen Threadripper Pro 9955WX has a lower CPU temperature than the average processor (95 °C vs 100 °C). The average processor runs at a CPU temperature of 100 °C.

Total
Platform
Performance
Cache & Architecture
Memory & PCIe
Power & Thermal
  • Older TPM support
    AMD Ryzen Threadripper Pro 9955WX supports an older TPM version than the average processor (fTPM 2.0 vs PTT 2.0).
  • 6 fewer memory channels
    AMD Ryzen Threadripper Pro 9955WX has fewer memory channels than the average processor (8 vs 2). The average processor supports 2 memory channels.
  • Limited PCIe bifurcation
    AMD Ryzen Threadripper Pro 9955WX supports less flexible PCIe bifurcation than the average processor (x4/x4/x4/x4 vs x16, x8/x8).
  • No integrated graphics
    AMD Ryzen Threadripper Pro 9955WX does not include integrated graphics, the average processor does.
  • 7.78x higher base power
    AMD Ryzen Threadripper Pro 9955WX has a higher base power draw than the average processor (350 W vs 45 W). The average processor has a base power draw of 45 W.
  • 7.78x higher TDP
    AMD Ryzen Threadripper Pro 9955WX has a higher TDP than the average processor (350 W vs 45 W). The average processor has a TDP of 45 W.
  • No configurable TDP
    AMD Ryzen Threadripper Pro 9955WX does not support configurable TDP, the average processor does.
  • 5 °C lower TJ Max
    AMD Ryzen Threadripper Pro 9955WX has a lower TJ Max than the average processor (95 °C vs 100 °C). The average processor has a TJ Max of 100 °C.
  • 7.78x higher base power
    AMD Ryzen Threadripper Pro 9955WX has a higher base power draw than the average processor (350 W vs 45 W). The average processor has a base power draw of 45 W.
    What it is: The sustained power target used for longer CPU loads.
    When it matters: When you choose cooling and power delivery for sustained workloads.

    Importance: MEDIUM

    Good value: <30 W

    AMD Ryzen Threadripper Pro 9955WX has a higher base power draw than the average processor (350 W vs 45 W). The average processor has a base power draw of 45 W.350 W vs 45 W
  • 7.78x higher TDP
    AMD Ryzen Threadripper Pro 9955WX has a higher TDP than the average processor (350 W vs 45 W). The average processor has a TDP of 45 W.
    What it is: The rated thermal design power, which gives a general idea of cooling and power needs.
    When it matters: When you choose a cooler or build in a tighter case.

    Importance: HIGH

    Good value: <30 W

    AMD Ryzen Threadripper Pro 9955WX has a higher TDP than the average processor (350 W vs 45 W). The average processor has a TDP of 45 W.350 W vs 45 W
  • No configurable TDP
    AMD Ryzen Threadripper Pro 9955WX does not support configurable TDP, the average processor does.
    What it is: Allows the processor to run in alternate power modes instead of being fixed to one default TDP target.
    When it matters: When you want more control over heat, noise, and power draw in compact systems, quieter builds, or thermally limited machines.

    Importance: LOW

    AMD Ryzen Threadripper Pro 9955WX does not support configurable TDP, the average processor does.
  • 5.4x more expensive
    AMD Ryzen Threadripper Pro 9955WX is more expensive than the average processor (£1,350 vs £250).
    AMD Ryzen Threadripper Pro 9955WX is more expensive than the average processor (£1,350 vs £250).£1,350 vs £250
  • 5 °C lower TJ Max
    AMD Ryzen Threadripper Pro 9955WX has a lower TJ Max than the average processor (95 °C vs 100 °C). The average processor has a TJ Max of 100 °C.
    What it is: The highest safe operating junction temperature before the CPU starts throttling or protecting itself.
    When it matters: When you tune cooling or monitor thermals under load.

    Importance: LOW

    Good value: >=100 °C

    AMD Ryzen Threadripper Pro 9955WX has a lower TJ Max than the average processor (95 °C vs 100 °C). The average processor has a TJ Max of 100 °C.95 °C vs 100 °C
  • No integrated graphics
    AMD Ryzen Threadripper Pro 9955WX does not include integrated graphics, the average processor does.
    What it is: Includes built-in graphics, so the system can output video without a separate graphics card.
    When it matters: When you want the PC to work without a dedicated GPU, or you are building an office, media, compact, or troubleshooting-friendly system.

    Importance: HIGH

    AMD Ryzen Threadripper Pro 9955WX does not include integrated graphics, the average processor does.
  • 9.6% lower user score
    AMD Ryzen Threadripper Pro 9955WX has a lower user score than the average processor (7.30 vs 8,000).
    What it is: A rating that combines user reviews and the total number of reviews received by the processor.
    When it matters: When you want to know how a processor performs in real workloads and how reliable it is for gaming, productivity, and efficiency according to user feedback.
    AMD Ryzen Threadripper Pro 9955WX has a lower user score than the average processor (7.30 vs 8,000).7.3 vs 8
  • Limited PCIe bifurcation
    AMD Ryzen Threadripper Pro 9955WX supports less flexible PCIe bifurcation than the average processor (x4/x4/x4/x4 vs x16, x8/x8).
    What it is: The supported ways PCIe lanes can be split across multiple slots or devices.
    When it matters: When you plan multiple expansion cards or NVMe adapters.

    Importance: LOW

    AMD Ryzen Threadripper Pro 9955WX supports less flexible PCIe bifurcation than the average processor (x4/x4/x4/x4 vs x16, x8/x8).x4/x4/x4/x4 vs x16, x8/x8
Total
Overall
Platform
Memory & PCIe
Integrated Graphics
Power & Thermal

Graphic comparison of AMD Ryzen Threadripper Pro 9955WX and other processors

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Third-party reviews

United Kingdom
amazon
5.0
1 Reviews

(Reviews last updated: May 2026)

What customers like about AMD Ryzen Threadripper Pro 9955WX?

  • High clock speeds with a 4.5 GHz base and 5.4 GHz boost, making it excellent for single-threaded and responsive creative workflows.
  • Industry-leading platform expandability with 128 PCIe 5.0 lanes for high-end GPUs and NVMe arrays.
  • Supports 8-channel DDR5 memory up to 6400 MT/s, providing significantly higher bandwidth than consumer-grade Ryzen platforms.
  • Unlocked for overclocking, allowing enthusiasts to fine-tune performance beyond stock specifications.
  • Enterprise-grade stability and security features, including ECC memory support, DASH manageability, and AMD Memory Guard.
  • Excellent for specialized multi-instance tasks, such as running multiple high-demand applications or games simultaneously without throttling.

What customers dislike about AMD Ryzen Threadripper Pro 9955WX?

  • High price premium compared to standard desktop Ryzen CPUs like the 9950X, which can offer similar performance for significantly less in many workloads.
  • Limited and expensive motherboard options (WRX90 or TRX50), which often lack consumer-friendly aesthetics or features.
  • High power consumption and thermal output (350W TDP), requiring substantial and potentially loud cooling solutions.
  • Memory bandwidth on this 16-core model can be lower than some server-grade EPYC counterparts with more memory channels.
  • Not recommended for dedicated gaming-only PCs as it is 'overkill' and can sometimes perform worse in specific consumer tasks due to architectural complexity.
  • Iterative generational improvement over the 7000 series, which some users feel doesn't justify the 10-20% price increase.

Expert reviews

B
browser.geekbench.com
Ongoing (March 2026)
AMD Ryzen Threadripper PRO 9955WX Benchmarks

The AMD Ryzen Threadripper PRO 9955WX is a 16-core, 32-thread Zen 5 processor designed for professional workstations, featuring high clock speeds up to 5.4 GHz and support for 8-channel DDR5 memory. According to Geekbench 6 data, it achieves a single-core score of approximately 3,067 and a multi-core score around 21,965, positioning it as a top-tier performer for lightly-threaded,...Read more

P
pugetsystems.com
23/07/2025
AMD Ryzen Threadripper PRO 9000WX Content Creation Review

The AMD Ryzen Threadripper PRO 9000WX series, as tested by Puget Systems, offers a 15-25% performance boost over the 7000WX generation, driven by Zen 5 architecture and official support for faster DDR5 6400 MT/s memory. Key pros include exceptional multi-threaded performance in rendering and simulation, 128 PCIe 5.0 lanes, and platform longevity, as they are compatible with existing...Read more

C
cpubenchmark.net
01/01/2026
AMD Ryzen Threadripper PRO 9955WX - CPU Benchmarks

The AMD Ryzen Threadripper PRO 9955WX is a 16-core/32-thread Zen 5 workstation processor featuring 128 PCIe 5.0 lanes and 8-channel DDR5 support, ideal for professionals requiring massive I/O capacity and up to 2TB of RAM. It delivers a 17% performance boost over the previous generation, boasting a 4.5 GHz base clock and 5.4 GHz boost, alongside unlocked overclocking capability via...Read more

A
aecmag.com
03/02/2026
Review: AMD Ryzen Threadripper 9000 Series - AEC Magazine

The AMD Ryzen Threadripper 9000 Series, reviewed by AEC Magazine, sets a new high-end workstation standard utilizing Zen 5 architecture for substantial performance gains. While maintaining 350W TDP and similar core counts as the 7000 series, the new lineup boasts a 16% IPC uplift, faster DDR5-6400 memory support, and up to 96 cores (Pro) or 64 cores (HEDT). Pros highlighted include...Read more

M
mifcom.de
30/03/2026
Workstation Ryzen TR PRO 9955WX - RTX 5060 | MIFCOM

The MIFCOM Workstation featuring the 16-core AMD Ryzen Threadripper PRO 9955WX (Zen 5) delivers exceptional multi-threaded performance and 8-channel memory support, making it highly responsive for 3D design and engineering applications. Built on the ASUS Pro WS WRX90E-SAGE SE motherboard with 128 PCIe 5.0 lanes, it offers immense expansion potential, 64GB ECC RAM, and robust AMD PRO...Read more

(Translated)Show original
H
hardwareluxx.de
27/08/2025
Testing AMD's New Ryzen Threadripper 9000 CPUs [Hardwareluxx]", "AMD's New Ryzen Threadripper 9000 CPUs Under Review [Hardwareluxx]

The AMD Ryzen Threadripper 9980X (64 cores) and 9970X (32 cores), based on Zen 5, deliver a significant performance leap, offering 12% to 15% overall improvements and up to 25% faster rendering in V-Ray compared to the 7000 series. These processors utilize an improved memory controller supporting DDR5-6400 while maintaining a 350W TDP and operating cooler than their predecessors,...Read more

(Translated)Show original
T
tweakers.net
30/03/2026
AMD Ryzen Threadripper Pro: News and Reviews

The AMD Ryzen Threadripper PRO 7000 WX-series delivers unmatched workstation performance, featuring up to 96 Zen 4 cores, 128 PCIe 5.0 lanes, and 8-channel DDR5 memory, significantly outperforming competitors in heavily threaded tasks like 3D rendering. While offering immense I/O capabilities for professionals, the platform demands high investment in WRX90 motherboards and...Read more

(Translated)Show original

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