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AMD Ryzen Threadripper Pro 3955WX Review | 78 Data compared

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  • Avg. price in UK: ~£1,190
  • Avg. price in US: ~$900
  • PassMark benchmark result: 39867
  • N. of physical cores: 16
  • CPU boost clock speed: 4.3 GHz

AMD Ryzen Threadripper Pro 3955WX review. Compare 78 technical specifications and user reviews to see how it ranks among processors and if it is worth buying.

6.4

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%

6.3

Technical Score

10.0%

7.0

User score

Good
6.3

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%

6.2

Performance

18.0%

7.1

Cache & Architecture

10.0%

8.1

Memory & PCIe

7.0%

1.9

Power & Thermal

4.0%

9.0

Platform

1.0%

3.4

Integrated Graphics

Good
7.0

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%

8.4

User reviews

30.0%

3.6

Popularity

User score:
United Kingdom
amazon
4.2
(35)

(Reviews last updated: May 2026)

Very good
  • 5.9
    Gaming

    Score components:

    30.0%

    4.6

    PassMark single-core benchmark score

    25.0%

    4.8

    Geekbench 6 single-core benchmark score

    20.0%

    5.5

    CPU boost clock speed

    17.0%

    10

    L3 cache

    8.0%

    6.7

    N. of physical cores

  • 7.5
    Video editing

    Score components:

    45.0%

    5.8

    Geekbench 6 multi-core benchmark score

    20.0%

    6.7

    N. of physical cores

    20.0%

    10

    CPU threads

    15.0%

    10

    L3 cache

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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 3955WX is a professional workstation processor based on the 7nm Zen 2 architecture, featuring 16 cores, 32 threads, a 3.9 GHz base clock, and a 4.3 GHz boost frequency. Designed for the sWRX8 socket and WRX80 chipset, it offers a massive 128 PCIe 4.0 lanes and supports 8-channel DDR4-3200 ECC memory with a maximum capacity of 2 TB. Its primary strengths include exceptional I/O expansion, high memory bandwidth, and professional-grade security features like AMD Memory Guard, making it ideal for rendering and data-heavy workloads. However, notable drawbacks include its high 280W TDP, lack of support for overclocking, and limited motherboard availability compared to standard consumer platforms.

Technical Specifications of processor AMD Ryzen Threadripper Pro 3955WX

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%

6.2

Performance

18.0%

7.1

Cache & Architecture

10.0%

8.1

Memory & PCIe

7.0%

1.9

Power & Thermal

4.0%

9.0

Platform

1.0%

3.4

Integrated Graphics

6.3
AMD Ryzen Threadripper Pro 3955WX has a technical score of 6.33 points, which is higher than that of 70.1% 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%

8.4

User reviews

30.0%

3.6

Popularity

User score:
United Kingdom
amazon
4.2
(35)

(Reviews last updated: May 2026)

7.0
AMD Ryzen Threadripper Pro 3955WX has a user score of 6.96 points, which is lower than that of 95.3% 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.
3.6
AMD Ryzen Threadripper Pro 3955WX has a popularity of 3.6 points, which is higher than 79.6% 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%

6.4

Overall score

40.0%

4.2

Price

5.7
AMD Ryzen Threadripper Pro 3955WX has a quality-to-price ratio of 5.7 points, which is lower than 78% 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 3955WX 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

sWRX8
AMD Ryzen Threadripper Pro 3955WX uses the sWRX8 CPU socket, which is newer than that of 93.6% of processors and equal to that of 0.6% 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

WRX80
AMD Ryzen Threadripper Pro 3955WX supports WRX80 chipsets, which is broader compatibility than 97.8% of processors and equal to that of 0.7% 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 3955WX 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 3955WX 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 3955WX 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 3955WX 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

4.3 GHz
AMD Ryzen Threadripper Pro 3955WX reaches a boost clock of 4.3 GHz which is higher than that of 48.2% of processors and equal to that of 2.9% 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 3.9 GHz
AMD Ryzen Threadripper Pro 3955WX has a base clock of 16x3.9 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

7 nm
AMD Ryzen Threadripper Pro 3955WX uses a 7 nm process node, which is more advanced than that of 71.5% of processors and equal to that of 10.9% 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 7 nm
AMD Ryzen Threadripper Pro 3955WX is built on the TSMC 7 nm foundry process, which is more advanced than that of 56.7% of processors and equal to that of 9.4% 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 3955WX 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

8 MB
AMD Ryzen Threadripper Pro 3955WX has an L2 cache of 8 MB which is larger than that of 73.5% of processors and equal to that of 4.3% 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

1,024 KB
AMD Ryzen Threadripper Pro 3955WX has an L1 cache of 1024 KB which is larger than that of 86.1% of processors and equal to that of 1.4% 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

DDR4
AMD Ryzen Threadripper Pro 3955WX supports DDR DDR4, which is newer than that of 26.3% of processors and equal to that of 31.7% 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

3,200 MHz
AMD Ryzen Threadripper Pro 3955WX supports memory speeds up to 3200 MHz, which is higher than that of 51.5% of processors and equal to 8.3% 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

DDR4-3200 MHz
AMD Ryzen Threadripper Pro 3955WX supports JEDEC memory speeds up to DDR4-3200 MHz, which is higher than that of 51.1% of processors and equal to 8.4% 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

3,200 MHz
AMD Ryzen Threadripper Pro 3955WX supports XMP/EXPO memory speeds up to 3200 MHz, which is higher than that of 90.7% of processors and equal to 1.5% 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 3955WX supports up to 2048 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 3955WX does not include integrated graphics. 87.6% of processors 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

?
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

280 W
AMD Ryzen Threadripper Pro 3955WX has a TDP of 280 W which is higher than that of 97.8% of processors and equal to that of 0.8% 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

280 W
AMD Ryzen Threadripper Pro 3955WX has a base power of 280 W which is higher than that of 97.8% of processors and equal to that of 0.8% 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

280 W
AMD Ryzen Threadripper Pro 3955WX has a boost power of 280 W which is higher than that of 98.1% of processors and equal to that of 0.9% of processors.
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 3955WX does not support configurable TDP. 52.9% of processors support configurable TDP.
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AMD Ryzen Threadripper Pro 3955WX vs the average processor

  • 24 more CPU threads
    AMD Ryzen Threadripper Pro 3955WX 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 3955WX has more CPU threads than the average processor (32 vs 8). The average processor has 8 CPU threads.32 vs 8
  • 3.79x higher PassMark score
    AMD Ryzen Threadripper Pro 3955WX has a higher PassMark benchmark score than the average processor (39,867 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 3955WX has a higher PassMark benchmark score than the average processor (39,867 vs 10,532.5). The average processor scores 10,532.5 in PassMark benchmark.39,867 vs 10,532.5
  • 10 more CPU cores
    AMD Ryzen Threadripper Pro 3955WX 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 3955WX 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 3955WX 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 3955WX 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
  • 2.61x higher multi-core score
    AMD Ryzen Threadripper Pro 3955WX has a higher Geekbench 6 multi-core score than the average processor (12,490 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 3955WX has a higher Geekbench 6 multi-core score than the average processor (12,490 vs 4,793). The average processor scores 4,793 in Geekbench 6 multi-core.12,490 vs 4,793
  • 112 more PCIe lanes
    AMD Ryzen Threadripper Pro 3955WX has more PCIe lanes than the average processor (128 vs 16). The average processor offers 16 PCIe lanes.
    What it is: The number of PCIe lanes provided directly by the processor.
    When it matters: When you connect fast GPUs, SSDs, or expansion cards.

    Importance: HIGH

    Good value: >=20

    AMD Ryzen Threadripper Pro 3955WX has more PCIe lanes than the average processor (128 vs 16). The average processor offers 16 PCIe lanes.128 vs 16
  • 32x more memory capacity
    AMD Ryzen Threadripper Pro 3955WX has more maximum memory capacity than the average processor (2,048 GB vs 64 GB). The average processor supports 64 GB of memory.
    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

    AMD Ryzen Threadripper Pro 3955WX has more maximum memory capacity than the average processor (2,048 GB vs 64 GB). The average processor supports 64 GB of memory.2048 GB vs 64 GB
  • 4.47x higher memory bandwidth
    AMD Ryzen Threadripper Pro 3955WX has a higher memory bandwidth than the average processor (204.8 GB/s vs 45.8 GB/s). The average processor offers memory bandwidth of 45.8 GB/s.
    What it is: The maximum theoretical memory bandwidth the processor can support.
    When it matters: When memory-heavy workloads matter to you.

    Importance: MEDIUM

    Good value: >75 GB/s

    AMD Ryzen Threadripper Pro 3955WX has a higher memory bandwidth than the average processor (204.8 GB/s vs 45.8 GB/s). The average processor offers memory bandwidth of 45.8 GB/s.204.8 GB/s vs 45.8 GB/s
  • Modern CPU socket
    AMD Ryzen Threadripper Pro 3955WX uses a more modern CPU socket than the average processor (sWRX8 vs FP2).
  • Higher-end processor class
    AMD Ryzen Threadripper Pro 3955WX belongs to a higher-end processor class than the average processor (workstation vs mobile).
  • Includes crypto acceleration
    AMD Ryzen Threadripper Pro 3955WX includes crypto acceleration, the average processor does not.
  • 24 more CPU threads
    AMD Ryzen Threadripper Pro 3955WX has more CPU threads than the average processor (32 vs 8). The average processor has 8 CPU threads.
  • 3.79x higher PassMark score
    AMD Ryzen Threadripper Pro 3955WX has a higher PassMark benchmark score than the average processor (39,867 vs 10,532.5). The average processor scores 10,532.5 in PassMark benchmark.
  • 10 more CPU cores
    AMD Ryzen Threadripper Pro 3955WX has more CPU cores than the average processor (16 vs 6). The average processor has 6 CPU cores.
  • 2.61x higher multi-core score
    AMD Ryzen Threadripper Pro 3955WX has a higher Geekbench 6 multi-core score than the average processor (12,490 vs 4,793). The average processor scores 4,793 in Geekbench 6 multi-core.
  • 14.2% higher single-core score
    AMD Ryzen Threadripper Pro 3955WX has a higher Geekbench 6 single-core score than the average processor (1,680 vs 1,471). The average processor scores 1,471 in Geekbench 6 single-core.
  • 7.9% better single-core performance
    AMD Ryzen Threadripper Pro 3955WX has a higher PassMark single-core score than the average processor (2,680 vs 2,483). The average processor scores 2,483 in PassMark single-core.
  • 11 higher clock multiplier
    AMD Ryzen Threadripper Pro 3955WX has a higher clock multiplier than the average processor (39 vs 28). The average processor has a clock multiplier of 28.
  • 13.1% faster Blender rendering
    AMD Ryzen Threadripper Pro 3955WX has a lower Blender BMW27 render time than the average processor (375.3 vs 331.88). The average processor needs 331.88 for the Blender BMW27 test.
  • 8x larger L3 cache
    AMD Ryzen Threadripper Pro 3955WX has a higher L3 cache than the average processor (64 MB vs 8 MB). The average processor has L3 cache of 8 MB.
  • 2.33x more L3 per core
    AMD Ryzen Threadripper Pro 3955WX 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.
  • 3.2x larger L2 cache
    AMD Ryzen Threadripper Pro 3955WX has a higher L2 cache than the average processor (8 MB vs 2.5 MB). The average processor has L2 cache of 2.5 MB.
  • 2.67x larger L1 cache
    AMD Ryzen Threadripper Pro 3955WX has a higher L1 cache than the average processor (1,024 KB vs 384 KB). The average processor has L1 cache of 384 KB.
  • 41.7% smaller process node
    AMD Ryzen Threadripper Pro 3955WX has a lower process node than the average processor (7 nm vs 12 nm). The average processor uses a process node of 12 nm.
  • More advanced foundry
    AMD Ryzen Threadripper Pro 3955WX uses a more advanced foundry process than the average processor (TSMC 7 nm vs Intel 14 nm).
  • 112 more PCIe lanes
    AMD Ryzen Threadripper Pro 3955WX has more PCIe lanes than the average processor (128 vs 16). The average processor offers 16 PCIe lanes.
  • 32x more memory capacity
    AMD Ryzen Threadripper Pro 3955WX has more maximum memory capacity than the average processor (2,048 GB vs 64 GB). The average processor supports 64 GB of memory.
  • 4.47x higher memory bandwidth
    AMD Ryzen Threadripper Pro 3955WX has a higher memory bandwidth than the average processor (204.8 GB/s vs 45.8 GB/s). The average processor offers memory bandwidth of 45.8 GB/s.
  • Newer PCIe version
    AMD Ryzen Threadripper Pro 3955WX supports a newer PCIe version than the average processor (4 vs 3.0).
  • Supports ECC memory
    AMD Ryzen Threadripper Pro 3955WX supports ECC memory, the average processor does not.
  • 8x more memory per DIMM
    AMD Ryzen Threadripper Pro 3955WX has more memory per DIMM than the average processor (256 GB vs 32 GB). The average processor supports 32 GB of memory per DIMM.
  • 10 °C lower CPU temperature
    AMD Ryzen Threadripper Pro 3955WX has a lower CPU temperature than the average processor (90 °C vs 100 °C). The average processor runs at a CPU temperature of 100 °C.

Total
Overall
Platform
Performance
Cache & Architecture
Memory & PCIe
Power & Thermal
  • Older TPM support
    AMD Ryzen Threadripper Pro 3955WX supports an older TPM version than the average processor (fTPM 2.0 vs PTT 2.0).
  • 52.6% slower classroom rendering
    AMD Ryzen Threadripper Pro 3955WX has a higher Blender Classroom render time than the average processor (375.3 vs 791.745). The average processor needs 791.745 for the Blender Classroom test.
  • Less advanced microarchitecture
    AMD Ryzen Threadripper Pro 3955WX uses a less advanced microarchitecture than the average processor (Castle Peak vs Kaby Lake).
  • 6 fewer memory channels
    AMD Ryzen Threadripper Pro 3955WX 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 3955WX supports less flexible PCIe bifurcation than the average processor (x4/x4/x4/x4 vs x16, x8/x8).
  • No integrated graphics
    AMD Ryzen Threadripper Pro 3955WX does not include integrated graphics, the average processor does.
  • 4.38x higher boost power
    AMD Ryzen Threadripper Pro 3955WX has a higher boost power draw than the average processor (280 W vs 64 W). The average processor has a boost power draw of 64 W.
  • 6.22x higher base power
    AMD Ryzen Threadripper Pro 3955WX has a higher base power draw than the average processor (280 W vs 45 W). The average processor has a base power draw of 45 W.
  • 6.22x higher TDP
    AMD Ryzen Threadripper Pro 3955WX has a higher TDP than the average processor (280 W vs 45 W). The average processor has a TDP of 45 W.
  • 10 °C lower TJ Max
    AMD Ryzen Threadripper Pro 3955WX has a lower TJ Max than the average processor (90 °C vs 100 °C). The average processor has a TJ Max of 100 °C.
  • No configurable TDP
    AMD Ryzen Threadripper Pro 3955WX does not support configurable TDP, the average processor does.
  • 4.38x higher boost power
    AMD Ryzen Threadripper Pro 3955WX has a higher boost power draw than the average processor (280 W vs 64 W). The average processor has a boost power draw of 64 W.
    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

    AMD Ryzen Threadripper Pro 3955WX has a higher boost power draw than the average processor (280 W vs 64 W). The average processor has a boost power draw of 64 W.280 W vs 64 W
  • 6.22x higher base power
    AMD Ryzen Threadripper Pro 3955WX has a higher base power draw than the average processor (280 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 3955WX has a higher base power draw than the average processor (280 W vs 45 W). The average processor has a base power draw of 45 W.280 W vs 45 W
  • Less advanced microarchitecture
    AMD Ryzen Threadripper Pro 3955WX uses a less advanced microarchitecture than the average processor (Castle Peak vs Kaby Lake).
    What it is: The internal core-design codename used for this processor generation.
    When it matters: When you are comparing CPUs at a deeper design level and want to identify the exact architecture behind marketing names.

    Importance: LOW

    AMD Ryzen Threadripper Pro 3955WX uses a less advanced microarchitecture than the average processor (Castle Peak vs Kaby Lake).Castle Peak vs Kaby Lake
  • 52.6% slower classroom rendering
    AMD Ryzen Threadripper Pro 3955WX has a higher Blender Classroom render time than the average processor (375.3 vs 791.745). The average processor needs 791.745 for the Blender Classroom test.
    What it is: A Blender render result based on the Classroom scene, used to show how quickly the processor can complete a demanding rendering workload.
    When it matters: When rendering speed matters for 3D work, content creation, or other workloads that behave like long multi-core renders.

    Importance: HIGH

    Good value: >1500

    AMD Ryzen Threadripper Pro 3955WX has a higher Blender Classroom render time than the average processor (375.3 vs 791.745). The average processor needs 791.745 for the Blender Classroom test.375.33 vs 791.745
  • 6.22x higher TDP
    AMD Ryzen Threadripper Pro 3955WX has a higher TDP than the average processor (280 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 3955WX has a higher TDP than the average processor (280 W vs 45 W). The average processor has a TDP of 45 W.280 W vs 45 W
  • 10 °C lower TJ Max
    AMD Ryzen Threadripper Pro 3955WX has a lower TJ Max than the average processor (90 °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 3955WX has a lower TJ Max than the average processor (90 °C vs 100 °C). The average processor has a TJ Max of 100 °C.90 °C vs 100 °C
  • No configurable TDP
    AMD Ryzen Threadripper Pro 3955WX 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 3955WX does not support configurable TDP, the average processor does.
  • 4.76x more expensive
    AMD Ryzen Threadripper Pro 3955WX is more expensive than the average processor (£1,190 vs £250).
    AMD Ryzen Threadripper Pro 3955WX is more expensive than the average processor (£1,190 vs £250).£1,190 vs £250
Total
Overall
Platform
Performance
Cache & Architecture
Memory & PCIe
Integrated Graphics
Power & Thermal

Graphic comparison of AMD Ryzen Threadripper Pro 3955WX and other processors

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Third-party reviews

United Kingdom
amazon
4.2
35 Reviews

(Reviews last updated: May 2026)

What customers like about AMD Ryzen Threadripper Pro 3955WX?

  • Massive connectivity with 128 PCIe 4.0 lanes for multi-GPU and high-speed storage setups.
  • Support for up to 2TB of 8-channel ECC RAM, ideal for memory-intensive professional workloads.
  • Excellent workstation platform features via the WRX80 chipset, including IPMI management and 10Gbps USB.
  • Strong multi-threaded performance in rendering (Blender, Cinebench) and data compiling compared to standard desktop CPUs.
  • Enterprise-grade security features and reliable longevity for mission-critical systems.

What customers dislike about AMD Ryzen Threadripper Pro 3955WX?

  • Extremely high platform cost, including expensive WRX80 motherboards and specialized cooling.
  • Locked multiplier prevents overclocking, limiting performance gains compared to non-Pro models.
  • Lower single-threaded clock speeds and smaller L3 cache per core compared to some consumer Ryzen 9 and Intel Xeon counterparts.
  • High power consumption (280W TDP) requiring top-tier air or liquid cooling solutions.
  • Poor value for gaming, as many modern games cannot fully utilize the high core count and benefit more from higher clock speeds.

Expert reviews

C
cpubenchmark.net
30/03/2026
AMD Ryzen Threadripper PRO 3955WX - CPU Benchmarks Would you like to compare these results against the Intel Xeon W-2295, which is often cited as its...

The AMD Ryzen Threadripper PRO 3955WX is a 7nm "Zen 2" professional workstation processor featuring 16 cores and 32 threads, boasting a PassMark CPU Mark score of roughly 39,867. Operating with a 3.9 GHz base clock, it requires an sWRX8 socket and WRX80 motherboard to utilize its professional-grade 8-channel memory support. The processor delivers high-performance workstation...Read more

S
servethehome.com
26/04/2021
AMD Ryzen Threadripper Pro 3955WX Review the Lower-end of the High-end

The AMD Ryzen Threadripper Pro 3955WX, reviewed by ServeTheHome, serves as an entry-level workstation CPU (16-core/32-thread) designed to bring EPYC-level I/O—specifically 128 PCIe Gen4 lanes and 8-channel memory support—to the WRX80 platform. Built on the 7nm Zen 2 architecture, it targets users requiring massive connectivity rather than maximum core count. Key advantages include...Read more

P
pugetsystems.com
19/02/2021
Adobe After Effects - AMD Ryzen Threadripper PRO 3000 Series CPU Performance

Puget Systems concludes that while AMD Ryzen Threadripper Pro 3000 Series CPUs are powerful, they represent a niche choice for After Effects, as standard Ryzen 5000 series chips offer better value through higher single-threaded performance. The platform's main advantages are massive, eight-channel memory support up to 2TB of RAM and 128 PCIe Gen4 lanes for high-end, heavy-duty...Read more

P
pugetsystems.com
19/02/2021
Adobe Premiere Pro - AMD Ryzen Threadripper PRO 3000 Series CPU Performance

AMD Ryzen Threadripper PRO 3000 Series processors offer a roughly 8-10% performance increase in Adobe Premiere Pro over standard Threadripper models, with significant gains in live playback. The platform supports eight memory channels (up to 2TB RAM) and 128 PCIe Gen4 lanes, providing substantial advantages for workstation users requiring massive memory and multiple GPUs. While...Read more

C
cpu-monkey.com
03/03/2026
AMD Ryzen Threadripper PRO 7955WX Benchmark and Comparison

The AMD Ryzen Threadripper PRO 7955WX (Zen 4, 5nm) offers a massive performance leap over the 3955WX (Zen 2, 7nm), delivering roughly 50% higher synthetic benchmark scores and significantly higher boost clocks (5.3 GHz vs 4.3 GHz). The 7955WX boasts key advantages in platform capabilities, including DDR5 memory support, doubled L2 cache (16MB), and PCIe 5.0 connectivity, though it...Read more

(Translated)Show original
T
tweakers.net
n.v.t.
News about AMD Ryzen Threadripper PRO 3955WX - Tweakers Overview

The AMD Ryzen Threadripper PRO 3955WX is a 16-core, 32-thread workstation processor based on the Zen 2 architecture, offering 8-channel memory support and 128 PCIe 4.0 lanes for high I/O throughput. Pros include superior multi-threaded performance in professional rendering, ECC memory support, and robust platform stability. However, the chip requires an expensive, specialized WRX80...Read more

(Translated)Show original

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