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AMD Ryzen Threadripper Pro 3945WX Review | 78 Data compared

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  • Avg. price in UK: ~£110
  • Avg. price in US: ~$120
  • PassMark benchmark result: 33457
  • N. of physical cores: 12
  • CPU boost clock speed: 4.3 GHz

AMD Ryzen Threadripper Pro 3945WX review. Compare 78 technical specifications and user reviews to see how it ranks among processors and if it is worth buying.

6.2

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%

6.2

Technical Score

10.0%

?

User score

Good
6.2

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%

5.8

Performance

18.0%

6.9

Cache & Architecture

10.0%

8.1

Memory & PCIe

7.0%

3.4

Power & Thermal

4.0%

8.9

Platform

1.0%

2.8

Integrated Graphics

Good
?

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%

?

User reviews

30.0%

?

Popularity

  • 5.8
    Gaming

    Score components:

    30.0%

    4.6

    PassMark single-core benchmark score

    25.0%

    4.7

    Geekbench 6 single-core benchmark score

    20.0%

    5.5

    CPU boost clock speed

    17.0%

    10

    L3 cache

    8.0%

    5.1

    N. of physical cores

  • 6.3
    Video editing

    Score components:

    45.0%

    5.1

    Geekbench 6 multi-core benchmark score

    20.0%

    5.1

    N. of physical cores

    20.0%

    7.6

    CPU threads

    15.0%

    10

    L3 cache

  • No image
No image

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 3945WX is a professional workstation processor based on the 7nm Zen 2 architecture, featuring 12 cores and 24 threads with a high 4.0 GHz base clock and up to 4.3 GHz boost. Its main characteristics include support for 8-channel DDR4-3200 ECC memory, 128 PCIe 4.0 lanes for massive expandability, and 64MB of L3 cache, all within a 280W TDP on the sWRX8 socket. Its primary pros are exceptional memory bandwidth (up to 204.8 GB/s), vast I/O capacity for multiple GPUs or NVMe drives, and enterprise-grade security through AMD PRO technologies. However, cons include its high power consumption, the requirement for expensive WRX80 motherboards, a lack of an unlocked multiplier for overclocking, and relatively lower core counts compared to higher-tier Threadripper models, which may limit its value in highly parallelized rendering tasks.

Technical Specifications of processor AMD Ryzen Threadripper Pro 3945WX

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%

?

Performance

18.0%

?

Cache & Architecture

10.0%

?

Memory & PCIe

7.0%

?

Power & Thermal

4.0%

?

Platform

1.0%

?

Integrated Graphics

6.2
AMD Ryzen Threadripper Pro 3945WX has a technical score of 6.16 points, which is higher than that of 67.1% 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%

0.0

User reviews

30.0%

1.0

Popularity

?
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 3945WX 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%

6.2

Overall score

40.0%

9.9

Price

7.3
AMD Ryzen Threadripper Pro 3945WX has a quality-to-price ratio of 7.3 points, which is higher than 79.4% 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 3945WX 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 3945WX 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 3945WX 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 3945WX 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+

12
AMD Ryzen Threadripper Pro 3945WX has 12 CPU cores, which is more than 81.5% of processors and equal to 5.5% 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+

24
AMD Ryzen Threadripper Pro 3945WX offers 24 CPU threads, which is more than 90.3% of processors and equal to 4% 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 3945WX 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 3945WX 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

12 x 4 GHz
AMD Ryzen Threadripper Pro 3945WX has a base clock of 12x4 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 3945WX 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 3945WX 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 3945WX 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

6 MB
AMD Ryzen Threadripper Pro 3945WX has an L2 cache of 6 MB which is larger than that of 67% of processors and equal to that of 4% 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

768 KB
AMD Ryzen Threadripper Pro 3945WX has an L1 cache of 768 KB which is larger than that of 78.2% of processors and equal to that of 3.4% 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 3945WX 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 3945WX 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 3945WX 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 3945WX 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 3945WX supports up to 2048 GB of memory, which is more than 98.4% of processors and equal to 1.7% of processors.
Show more
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 3945WX 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

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

280 W
AMD Ryzen Threadripper Pro 3945WX 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 3945WX 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

?
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 3945WX does not support configurable TDP. 52.9% of processors support configurable TDP.
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AMD Ryzen Threadripper Pro 3945WX vs the average processor

  • 8x larger L3 cache
    AMD Ryzen Threadripper Pro 3945WX 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 3945WX 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
  • 3.18x higher PassMark score
    AMD Ryzen Threadripper Pro 3945WX has a higher PassMark benchmark score than the average processor (33,457 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 3945WX has a higher PassMark benchmark score than the average processor (33,457 vs 10,532.5). The average processor scores 10,532.5 in PassMark benchmark.33,457 vs 10,532.5
  • 16 more CPU threads
    AMD Ryzen Threadripper Pro 3945WX has more CPU threads than the average processor (24 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 3945WX has more CPU threads than the average processor (24 vs 8). The average processor has 8 CPU threads.24 vs 8
  • 112 more PCIe lanes
    AMD Ryzen Threadripper Pro 3945WX 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 3945WX has more PCIe lanes than the average processor (128 vs 16). The average processor offers 16 PCIe lanes.128 vs 16
  • 6 more CPU cores
    AMD Ryzen Threadripper Pro 3945WX has more CPU cores than the average processor (12 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 3945WX has more CPU cores than the average processor (12 vs 6). The average processor has 6 CPU cores.12 vs 6
  • 2.25x higher multi-core score
    AMD Ryzen Threadripper Pro 3945WX has a higher Geekbench 6 multi-core score than the average processor (10,771 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 3945WX has a higher Geekbench 6 multi-core score than the average processor (10,771 vs 4,793). The average processor scores 4,793 in Geekbench 6 multi-core.10,771 vs 4,793
  • 32x more memory capacity
    AMD Ryzen Threadripper Pro 3945WX 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 3945WX 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 3945WX 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 3945WX 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 3945WX uses a more modern CPU socket than the average processor (sWRX8 vs FP2).
  • Higher-end processor class
    AMD Ryzen Threadripper Pro 3945WX belongs to a higher-end processor class than the average processor (workstation vs mobile).
  • Includes crypto acceleration
    AMD Ryzen Threadripper Pro 3945WX includes crypto acceleration, the average processor does not.
  • 3.18x higher PassMark score
    AMD Ryzen Threadripper Pro 3945WX has a higher PassMark benchmark score than the average processor (33,457 vs 10,532.5). The average processor scores 10,532.5 in PassMark benchmark.
  • 16 more CPU threads
    AMD Ryzen Threadripper Pro 3945WX has more CPU threads than the average processor (24 vs 8). The average processor has 8 CPU threads.
  • 6 more CPU cores
    AMD Ryzen Threadripper Pro 3945WX has more CPU cores than the average processor (12 vs 6). The average processor has 6 CPU cores.
  • 2.25x higher multi-core score
    AMD Ryzen Threadripper Pro 3945WX has a higher Geekbench 6 multi-core score than the average processor (10,771 vs 4,793). The average processor scores 4,793 in Geekbench 6 multi-core.
  • 13.1% higher single-core score
    AMD Ryzen Threadripper Pro 3945WX has a higher Geekbench 6 single-core score than the average processor (1,663 vs 1,471). The average processor scores 1,471 in Geekbench 6 single-core.
  • 8.6% better single-core performance
    AMD Ryzen Threadripper Pro 3945WX has a higher PassMark single-core score than the average processor (2,696 vs 2,483). The average processor scores 2,483 in PassMark single-core.
  • 12 higher clock multiplier
    AMD Ryzen Threadripper Pro 3945WX has a higher clock multiplier than the average processor (40 vs 28). The average processor has a clock multiplier of 28.
  • 8x larger L3 cache
    AMD Ryzen Threadripper Pro 3945WX has a higher L3 cache than the average processor (64 MB vs 8 MB). The average processor has L3 cache of 8 MB.
  • 3.09x more L3 per core
    AMD Ryzen Threadripper Pro 3945WX has more L3 cache per core than the average processor (5.3 MB/core vs 1.714 MB/core). The average processor provides 1.714 MB/core of L3 cache per core.
  • 41.7% smaller process node
    AMD Ryzen Threadripper Pro 3945WX has a lower process node than the average processor (7 nm vs 12 nm). The average processor uses a process node of 12 nm.
  • 2.4x larger L2 cache
    AMD Ryzen Threadripper Pro 3945WX has a higher L2 cache than the average processor (6 MB vs 2.5 MB). The average processor has L2 cache of 2.5 MB.
  • 2x larger L1 cache
    AMD Ryzen Threadripper Pro 3945WX has a higher L1 cache than the average processor (768 KB vs 384 KB). The average processor has L1 cache of 384 KB.
  • More advanced foundry
    AMD Ryzen Threadripper Pro 3945WX 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 3945WX 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 3945WX 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 3945WX 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 3945WX supports a newer PCIe version than the average processor (4 vs 3.0).
  • Supports ECC memory
    AMD Ryzen Threadripper Pro 3945WX supports ECC memory, the average processor does not.
  • 5 °C lower CPU temperature
    AMD Ryzen Threadripper Pro 3945WX 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 3945WX supports an older TPM version than the average processor (fTPM 2.0 vs PTT 2.0).
  • Less advanced microarchitecture
    AMD Ryzen Threadripper Pro 3945WX uses a less advanced microarchitecture than the average processor (Castle Peak vs Kaby Lake).
  • 6 fewer memory channels
    AMD Ryzen Threadripper Pro 3945WX has fewer memory channels than the average processor (8 vs 2). The average processor supports 2 memory channels.
  • No integrated graphics
    AMD Ryzen Threadripper Pro 3945WX does not include integrated graphics, the average processor does.
  • 6.22x higher base power
    AMD Ryzen Threadripper Pro 3945WX 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 3945WX 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 3945WX 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 3945WX does not support configurable TDP, the average processor does.
  • 6.22x higher base power
    AMD Ryzen Threadripper Pro 3945WX 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 3945WX 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 3945WX 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 3945WX uses a less advanced microarchitecture than the average processor (Castle Peak vs Kaby Lake).Castle Peak vs Kaby Lake
  • 6.22x higher TDP
    AMD Ryzen Threadripper Pro 3945WX 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 3945WX 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 3945WX 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 3945WX 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 3945WX 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 3945WX does not support configurable TDP, the average processor does.
  • No integrated graphics
    AMD Ryzen Threadripper Pro 3945WX 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 3945WX does not include integrated graphics, the average processor does.
  • 6 fewer memory channels
    AMD Ryzen Threadripper Pro 3945WX has fewer memory channels than the average processor (8 vs 2). The average processor supports 2 memory channels.
    What it is: The number of memory channels the processor can use.
    When it matters: When you care about memory bandwidth and platform capability.

    Importance: MEDIUM

    Good value: 2

    AMD Ryzen Threadripper Pro 3945WX has fewer memory channels than the average processor (8 vs 2). The average processor supports 2 memory channels.8 vs 2
  • Older TPM support
    AMD Ryzen Threadripper Pro 3945WX supports an older TPM version than the average processor (fTPM 2.0 vs PTT 2.0).
    What it is: The kind of TPM security support associated with the processor or its platform.
    When it matters: When operating-system requirements, device encryption, enterprise security, or platform trust features matter.

    Importance: LOW

    AMD Ryzen Threadripper Pro 3945WX supports an older TPM version than the average processor (fTPM 2.0 vs PTT 2.0).fTPM 2.0 vs PTT 2.0
Total
Platform
Cache & Architecture
Memory & PCIe
Integrated Graphics
Power & Thermal

Graphic comparison of AMD Ryzen Threadripper Pro 3945WX and other processors

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Third-party reviews

What customers like about AMD Ryzen Threadripper Pro 3945WX?

  • High 8-channel memory bandwidth support for handling massive datasets
  • Extensive expansion with 128 PCIe 4.0 lanes for multi-GPU and NVMe setups
  • Superior multi-core performance in professional rendering and simulation tasks
  • Support for up to 2TB of ECC RAM, significantly higher than consumer chips
  • Strong per-core performance compared to similar Intel Xeon 'Cascade Lake' chips
  • No requirement for expensive Windows 10 Pro for Workstations licensing

What customers dislike about AMD Ryzen Threadripper Pro 3945WX?

  • Lower single-threaded performance compared to newer Zen 3 consumer CPUs like the Ryzen 9 5900X
  • Higher total system cost due to expensive WRX80 motherboards and 8-channel RAM requirements
  • Not overclockable, unlike the standard (non-Pro) Threadripper models
  • High power consumption with a 280W TDP requiring robust cooling solutions
  • Lack of integrated graphics, necessitating a dedicated GPU for any display output
  • Limited motherboard availability compared to standard consumer sockets

Expert reviews

U
uk.pcmag.com
02/12/2020
First Tests: AMD’s Ryzen Threadripper Pro, New Muscle in Workstation CPUs

The AMD Ryzen Threadripper Pro series, based on Zen 2 architecture, disrupts the workstation market by offering up to 64 cores, 128 PCIe Gen 4 lanes, and eight-channel ECC memory, challenging Intel's dominance. Performance tests show these CPUs excel in multi-core workloads, matching or exceeding higher-core-count Intel Xeon chips while providing superior platform bandwidth. Key...Read more

B
browser.geekbench.com
Ongoing
AMD Ryzen Threadripper PRO 3945WX Benchmarks

The AMD Ryzen Threadripper PRO 3945WX is a 12-core, 24-thread workstation processor based on the "Zen 2" architecture, featuring a 4.0 GHz base clock and a 64MB L3 cache. Designed for professional environments, the chip supports 8-channel DDR4-3200 memory and provides 128 PCIe 4.0 lanes. In terms of performance, the 3945WX delivers strong multi-core results for rendering and...Read more

C
cpubenchmark.net
Q3 2020
AMD Ryzen Threadripper PRO 3945WX - CPU Benchmarks

The AMD Ryzen Threadripper PRO 3945WX is a 7nm Zen 2 workstation processor featuring 12 cores, 24 threads, and base/boost clocks of 4.0/4.3 GHz, aimed at high-end productivity. It excels in professional environments, offering 8-channel DDR4 ECC memory support and 128 PCIe 4.0 lanes for extensive connectivity, along with AMD Memory Guard security features. However, the chip has a...Read more

V
valid.x86.fr
12/08/2020
CPU-Z Benchmark for AMD Threadripper PRO 3945WX: Professional reviews and Lenovo ThinkStation P620 performance

The AMD Ryzen 9 7950X3D is a 16-core, 32-thread processor utilizing 3D V-Cache technology on one chiplet to bridge elite gaming and productivity, often outperforming competitors in games while maintaining high efficiency. Key advantages include top-tier gaming performance, especially at 1080p, and significantly lower power consumption, operating around 120W, resulting in cooler...Read more

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L
ldlc.com
07/01/2026
AMD Ryzen Threadripper PRO 3945WX (4.3 GHz Max.)

The AMD Ryzen Threadripper PRO 3945WX is a high-end workstation processor featuring 12 cores, 24 threads, and up to 4.3 GHz boost, specifically designed for intensive 3D modelling, 8K video editing, and simulation tasks. Key advantages include 8-channel DDR4 memory support for massive bandwidth, 128 PCIe 4.0 lanes for extensive connectivity, and AMD PRO security features....Read more

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B
browser.geekbench.com
30/06/2026
Geekbench Benchmark Results for AMD Ryzen Threadripper PRO 3945WX

The AMD Ryzen Threadripper PRO 3945WX is a 12-core, 7nm Zen 2 workstation processor featuring a 4.0 GHz base clock and 64 MB of L3 cache, designed for high-end professional multitasking. Key advantages include extensive I/O with 128 PCIe Gen 4 lanes and 8-channel memory support up to 2TB, ideal for heavy data applications, alongside AMD PRO security features. However, the chip has a...Read more

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T
technologyinsider.nl
09/09/2025
NAS Performance - Page 4

The TechnologyInsider review identifies the Synology DS1825+ as a robust 8-bay NAS, highlighted by support for up to 18 drives via DX525 expansion units and the ability to utilize internal M.2 NVMe slots for storage volumes rather than just cache. Hardware upgrades include a shift to dual 2.5GbE ports, 8GB of ECC DDR4 memory, and a high-quality chassis, though it retains an aging...Read more

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T
technologyinsider.nl
26/07/2025
Test results: 1 disk via 2.5 Gigabit

The QNAP TVS-h874T is a powerful 8-bay NAS designed for creative professionals, featuring 12th Gen Intel Core processors and dual Thunderbolt 4 ports for direct, high-speed workstation connectivity. The unit runs the ZFS-based QuTS hero operating system, offering robust data protection, enterprise-class snapshots, and excellent transcoding capabilities via Intel UHD Graphics. While...Read more

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