OVERALL
ALTERNATIVES
SPECS
VS AVERAGE
REVIEWS
Scored using Processors Methodology v3.0
Processors Methodology v3.0
Mathematical & Unbiased Scoring
Products in this category are scored under Frontum Processors Methodology v3.0: the technical score from the specifications is the base, and independent expert and video reviews (up to ±0.5 points), owner opinions (up to ±0.3) and best-of lists (up to +0.3) move it up or down.
Explore Processors Methodology v3.0

AMD Ryzen Threadripper PRO 3955WX review: 74 specs compared

Avg. price:~£1,190PassMark multi-core score:39867N. of physical cores:16CPU boost clock speed:4.3 GHzCPU socket:sWRX8TDP (Thermal design power):280 W

AMD Ryzen Threadripper PRO 3955WX Review: Compare 74 technical specifications and 3 expert and video reviews to see how this product ranks in the Processors category and whether it is worth buying.

AMD Ryzen Threadripper PRO 3955WX
7.5/10

Overall score

Score
7.5/ 10
✕
What it is
Our main score for this model, 1–10. It combines specs, expert reviews, best-of lists and owners.
How we count it
Parts: Technical score 40%, Reviews score 25%, List score 25%, Sentiment score 10%
Marks: Each part gets a mark out of 10. For reviews, lists and owners, a typical model in this category gets about 8 and the best one gets 10.
No data yet: A part with no data shows "?". It counts as the mark of a weaker model in this category (4 in 5 models with data score higher). This way, models with reviews, lists and owners usually come out ahead.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 80% of models
Score components

40%

7.6

Technical score

25%

7.6

Reviews score

25%

?

List scoreNot enough data yet, so we use 7.5, the mark of a weaker model in this category

10%

?

Sentiment scoreNot enough data yet, so we use 7.0, the mark of a weaker model in this category

â–²Better than 80% of processors
6.5

Value for money

Value for money
6.5/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 88% of models
Score components

70%

7.5

Overall score

30%

4.2

Price

â–¼Worse than 88%
7.6

Technical score

Technical score
7.6/ 10
✕
What it is
How good the specs are compared with the other models in this category, 1–10.
How we count it
Areas: We rate the specs in each area against the other models in this category.
Weighting: The areas that matter most to buyers count more. The shares are shown under Score components.
Share: The technical score is 40% of the overall score.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 78% of models
Score components

60%

8.2

Performance

18%

6.7

Architecture

10%

8.0

Memory & PCIe

7%

4.2

Power & Thermal

4%

9.0

Platform

1%

4.0

Integrated graphics

â–²Better than 78%
7.6

Reviews score

Reviews score
7.6/ 10
✕
What it is
Average grade from independent test sites, magazines and video reviewers, 1–10.
How we count it
Grades: Each review's own score is converted to 1–10; without one, we grade the review ourselves. Big test sites count more, short reviews half as much as full tests. A video review counts half.
Score: The average grade is 80% of the review mark; the number of reviews is the other 20% (1 review = 5, the typical number in this category = 8, the most-reviewed model = 10).
Enough data: With few reviews, the average grade is pulled toward the typical grade of this category. No reviews yet: 7.2 for now.
Share: Reviews count 25% of the overall score.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 50% of models

80%

7.7

Average grade

20%

7.4

Popularity

Grades by review (3)
2 reviews: 0 with a printed score, 2 estimated from the review. 1 video review, counting half as much as a written test. Reviews count 25% of the overall score.
User ratings collected online are not part of this score.
â–²Better than 50%
?

List score

List score
7.5/ 10
✕
What it is
How often independent test sites, magazines and video reviewers put this model in their best-of lists for this category.
How we count it
Points: The model in the most lists of this category gets 10; the others get 8 to 10 in proportion. In no list yet: 7.5. Lists count 25% of the overall score.
Enough data: Every list counts, even a single one. With fewer than 5 best-of lists in the category, this part is left out.
Lists with this model (0)
Not in any best-of list yet, so this part counts as 7.5. Models in a list get 8 to 10.
Not in any best-of list yet
  • amd-ryzen-threadripper-pro-3955wx
  • amd-ryzen-threadripper-pro-3955wx
  • amd-ryzen-threadripper-pro-3955wx
  • amd-ryzen-threadripper-pro-3955wx
  • amd-ryzen-threadripper-pro-3955wx
  • amd-ryzen-threadripper-pro-3955wx
amd-ryzen-threadripper-pro-3955wx
amd-ryzen-threadripper-pro-3955wx
amd-ryzen-threadripper-pro-3955wx
amd-ryzen-threadripper-pro-3955wx
amd-ryzen-threadripper-pro-3955wx
amd-ryzen-threadripper-pro-3955wx
Where to buy
*As an Amazon Associate, we earn from qualifying purchases.
Best rankings
Available: ranking among products currently available (including other versions of this product).All: ranking among all products in the database.

What reviewers say about the AMD Ryzen Threadripper PRO 3955WX

Based on 2 · 1

Reviewers all praise its connectivity, which offers plenty of expansion options for demanding workstation builds.
Praised
Pick a topic to see who said what
Loading category ranking...

Technical Specifications of processor AMD Ryzen Threadripper PRO 3955WX

Technical score
Technical score
7.6/ 10
✕
What it is
How good the specs are compared with the other models in this category, 1–10.
How we count it
Areas: We rate the specs in each area against the other models in this category.
Weighting: The areas that matter most to buyers count more. The shares are shown under Score components.
Share: The technical score is 40% of the overall score.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 78% of models
Score components:

60%

8.2

Performance

18%

6.7

Architecture

10%

8.0

Memory & PCIe

7%

4.2

Power & Thermal

4%

9.0

Platform

1%

4.0

Integrated graphics

7.6
Reviews score
7.6
List score
?
Value for money
Value for money
6.5/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 88% of models
Score components:

70%

7.5

Overall score

30%

4.2

Price

6.5
Processor type
workstation
This processor belongs to the workstation processor class, which is more advanced than that of 95.4% of processors and equal to that of 4.6% of processors.
desktop workstation
CPU socket
sWRX8
This processor uses the sWRX8 CPU socket, which is newer than that of 93% of processors and equal to that of 0.6% of processors.
Chipset
WRX80
This processor supports WRX80 chipsets, which is broader compatibility than 97.9% of processors and equal to that of 0.7% of processors.
CPU architecture
x86-64
This processor uses the x86-64 architecture, which is more advanced than that of 1.8% of processors and equal to that of 98.2% of processors.
Instruction sets
MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, FMA3, AES, SHA, AMD-V
This processor supports MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, FMA3, AES, SHA, AMD-V instruction sets, which is broader support than 69.3% of processors and equal to that of 7.1% of processors.
Show more
N. of physical cores
16
Market range: <2 – >12
This processor has 16 CPU cores, which is more than 90% of processors and equal to 4.6% of processors.
CPU threads
32
Market range: <4 – >24
This processor offers 32 CPU threads, which is more than 94.9% of processors and equal to 3.2% of processors.
CPU boost clock speed
4.3 GHz
Market range: <3 GHz – >5.5 GHz
This processor reaches a boost clock of 4.3 GHz which is lower than that of 51.5% of processors and equal to that of 2.9% of processors.
CPU base clock speed
16x 3.9 GHz
This processor has a base clock of 16x3.9 GHz which is higher than that of 96.9% of processors.
PassMark multi-core score
39,867
Market range: <2.5k – >32.5k
This processor scores 39,867 in PassMark, which is higher than 91.9% of processors.
Show more
Semiconductor size
7 nm
Market range: <4 nm – >24 nm
This processor uses a 7 nm process node, which is more advanced than that of 70.4% of processors and equal to that of 10.5% of processors.
Foundry
TSMC 7 nm
This processor is built on the TSMC 7 nm foundry process, which is more advanced than that of 55.6% of processors and equal to that of 9.2% of processors.
L3 cache
64 MB
Market range: <2 MB – >32 MB
This processor has an L3 cache of 64 MB which is larger than that of 94.5% of processors and equal to that of 2.8% of processors.
L2 cache
8 MB
Market range: <1 MB – >16 MB
This processor has an L2 cache of 8 MB which is larger than that of 72% of processors and equal to that of 4.4% of processors.
L1 cache
1,024 KB
Market range: <128 KB – >1.2k KB
This processor has an L1 cache of 1,024 KB which is larger than that of 85.7% of processors and equal to that of 1.5% of processors.
Show more
DDR memory version
DDR4
This processor supports DDR DDR4, which is newer than that of 25.2% of processors and equal to that of 31.1% of processors.
Maximum memory speed
3,200 MHz
Market range: <1.5k MHz – >6.5k MHz
This processor supports memory speeds up to 3,200 MHz, which is higher than that of 49.8% of processors and equal to 8.5% of processors.
Max memory speed (JEDEC)
DDR4-3200 MHz
This processor supports JEDEC memory speeds up to DDR4-3200 MHz, which is higher than that of 46.1% of processors and equal to 9.4% of processors.
Max memory speed (XMP / EXPO)
3,200 MHz
This processor supports XMP/EXPO memory speeds up to 3,200 MHz, which is higher than that of 91.2% of processors and equal to 1.4% of processors.
Maximum memory capacity
2 GB
Market range: <32 GB – >256 GB
This processor supports up to 2 TB of memory, which is more than 98.4% of processors and equal to 1.6% of processors.
Show more
What reviewers say
Integrated graphics
no
This processor does not include integrated graphics. 85.4% of processors offer this.
Integrated GPU model
N/A
Integrated GPU execution units
N/A
Integrated GPU base frequency
N/A
Integrated media encoders/decoders
N/A
Show more
TDP (Thermal design power)
280 W
Market range: <15 W – >90 W
This processor has a TDP of 280 W which is higher than that of 97.9% of processors and equal to that of 0.8% of processors.
Base power (PL1)
280 W
Market range: <15 W – >90 W
This processor has a base power of 280 W which is higher than that of 97.9% of processors and equal to that of 0.7% of processors.
Boost power (PL2)
?
Tau (power duration limit)
N/A
Configurable TDP
no
This processor does not support configurable TDP. 53.7% of processors offer this.
Show more

AMD Ryzen Threadripper PRO 3955WX vs the average processor

246810TotalPlatformPerformanceArchitectureMemory & PCIeIntegrated graphicsPower & Thermal
  • 3.48x higher PassMark score
    This processor has a higher PassMark benchmark score than the average processor (39,867 vs 11,469). The average processor scores 11,469 in PassMark benchmark.
    39,867 vs 11,469
  • 10 more CPU cores
    This processor has more CPU cores than the average processor (16 vs 6). The average processor has 6 CPU cores.
    16 vs 6
  • 2.4x higher multi-core score
    This processor has a higher Geekbench 6 multi-core score than the average processor (12,490 vs 5,209). The average processor scores 5,209 in Geekbench 6 multi-core.
    12,490 vs 5,209
  • 12 more performance cores
    This processor has more performance cores than the average processor (16 vs 4). The average processor has 4 performance cores.
    16 vs 4
  • 24 more CPU threads
    This processor has more CPU threads than the average processor (32 vs 8). The average processor has 8 CPU threads.
    32 vs 8
  • 112 more PCIe lanes
    This processor has more PCIe lanes than the average processor (128 vs 16). The average processor offers 16 PCIe lanes.
    128 vs 16
  • Higher base clock
    This processor has a higher base clock than the average processor (16x3.9 GHz vs 4x3.4 GHz).
    16x3.9 GHz vs 4x3.4 GHz
  • 7.11x larger L3 cache
    This processor has a higher L3 cache than the average processor (64 MB vs 9 MB). The average processor has L3 cache of 9 MB.
    64 MB vs 9 MB
  • 13.4% higher review score
    Reviews score
    7.6/ 10
    ✕
    What it is
    Average grade from independent test sites, magazines and video reviewers, 1–10.
    How we count it
    Grades: Each review's own score is converted to 1–10; without one, we grade the review ourselves. Big test sites count more, short reviews half as much as full tests. A video review counts half.
    Score: The average grade is 80% of the review mark; the number of reviews is the other 20% (1 review = 5, the typical number in this category = 8, the most-reviewed model = 10).
    Enough data: With few reviews, the average grade is pulled toward the typical grade of this category. No reviews yet: 7.2 for now.
    Share: Reviews count 25% of the overall score.
    Score distribution
    â–¼
    <55-66-77-88-99-10
    â–² Better than 50% of models

    80%

    7.7

    Average grade

    20%

    7.4

    Popularity

    Grades by review (3)
    2 reviews: 0 with a printed score, 2 estimated from the review. 1 video review, counting half as much as a written test. Reviews count 25% of the overall score.
    User ratings collected online are not part of this score.
    7.6 vs 6.7
  • Modern CPU socket
    This processor uses a more modern CPU socket than the average processor (sWRX8 vs FP5).
    sWRX8 vs FP5
  • Higher-end processor class
    This processor belongs to a higher-end processor class than the average processor (workstation vs mobile).
    desktop workstation
    workstation vs mobile
  • More extensive crypto acceleration
    This processor offers more extensive crypto acceleration than the average processor (AES, SHA, RSA/PKA vs AES, SHA).
    AES, SHA, RSA/PKA vs AES, SHA
  • 3.48x higher PassMark score
    This processor has a higher PassMark benchmark score than the average processor (39,867 vs 11,469). The average processor scores 11,469 in PassMark benchmark.
    39,867 vs 11,469
  • 10 more CPU cores
    This processor has more CPU cores than the average processor (16 vs 6). The average processor has 6 CPU cores.
    16 vs 6
  • 2.4x higher multi-core score
    This processor has a higher Geekbench 6 multi-core score than the average processor (12,490 vs 5,209). The average processor scores 5,209 in Geekbench 6 multi-core.
    12,490 vs 5,209
  • 12 more performance cores
    This processor has more performance cores than the average processor (16 vs 4). The average processor has 4 performance cores.
    16 vs 4
  • 24 more CPU threads
    This processor has more CPU threads than the average processor (32 vs 8). The average processor has 8 CPU threads.
    32 vs 8
  • Higher base clock
    This processor has a higher base clock than the average processor (16x3.9 GHz vs 4x3.4 GHz).
    16x3.9 GHz vs 4x3.4 GHz
  • 11 higher clock multiplier
    This processor has a higher clock multiplier than the average processor (39 vs 28). The average processor has a clock multiplier of 28.
    39 vs 28
  • 9.4% higher single-core score
    This processor has a higher Geekbench 6 single-core score than the average processor (1,680 vs 1,535). The average processor scores 1,535 in Geekbench 6 single-core.
    1,680 vs 1,535
  • 7.11x larger L3 cache
    This processor has a higher L3 cache than the average processor (64 MB vs 9 MB). The average processor has L3 cache of 9 MB.
    64 MB vs 9 MB
  • 2.16x more L3 per core
    This processor has more L3 cache per core than the average processor (4 MB/core vs 1.85 MB/core). The average processor provides 1.85 MB/core of L3 cache per core.
    4 MB/core vs 1.85 MB/core
  • 2.67x larger L2 cache
    This processor has a higher L2 cache than the average processor (8 MB vs 3 MB). The average processor has L2 cache of 3 MB.
    8 MB vs 3 MB
  • 2.67x larger L1 cache
    This processor has a higher L1 cache than the average processor (1,024 KB vs 384 KB). The average processor has L1 cache of 384 KB.
    1,024 KB vs 384 KB
  • 58.2% smaller die size
    This processor has a lower die size than the average processor (74 mm² vs 177 mm²). The average processor has a die size of 177 mm².
    74 mm² vs 177 mm²
  • 41.7% smaller process node
    This processor has a lower process node than the average processor (7 nm vs 12 nm). The average processor uses a process node of 12 nm.
    7 nm vs 12 nm
  • More advanced foundry
    This processor uses a more advanced foundry process than the average processor (TSMC 7 nm vs Intel 14 nm).
    TSMC 7 nm vs Intel 14 nm
  • 112 more PCIe lanes
    This processor 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
    This processor has more maximum memory capacity than the average processor (2 TB vs 64 GB). The average processor supports 64 GB of memory.
    2 TB vs 64 GB
  • 4.37x higher memory bandwidth
    This processor has a higher memory bandwidth than the average processor (204.8 GB/s vs 46.9 GB/s). The average processor offers memory bandwidth of 46.9 GB/s.
    204.8 GB/s vs 46.9 GB/s
  • Newer PCIe version
    This processor supports a newer PCIe version than the average processor (4 vs 3).
    4 vs 3
  • Supports ECC memory
    This processor supports ECC memory, while the average processor does not. 32% of processors support it.
  • 10 °C lower CPU temperature
    This processor 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.
    90 °C vs 100 °C
  • 6.22x higher base power
    This processor 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
  • No configurable TDP
    This processor does not support configurable TDP, while the average processor does. 53.7% of processors support configurable TDP.
  • Less advanced microarchitecture
    This processor uses a less advanced microarchitecture than the average processor (Castle Peak vs Kaby Lake).
    Castle Peak vs Kaby Lake
  • Limited PCIe bifurcation
    This processor supports less flexible PCIe bifurcation than the average processor (x4/x4/x4/x4 vs x16, x8/x8, x4/x4/x4/x4).
    x4/x4/x4/x4 vs x16, x8/x8, x4/x4/x4/x4
  • 10 °C lower temperature limit
    This processor has a lower temperature limit than the average processor (90 °C vs 100 °C). The average processor can run up to 100 °C.
    90 °C vs 100 °C
  • 6.22x higher TDP
    This processor 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
  • 4.76x more expensive
    AMD Ryzen Threadripper PRO 3955WX is more expensive than the average processor (£1,190 vs £250).
    £1,190 vs £250
  • No integrated graphics
    This processor does not include integrated graphics, while the average processor does. 85.4% of processors include integrated graphics.
  • 4.76x more expensive
    AMD Ryzen Threadripper PRO 3955WX is more expensive than the average processor (£1,190 vs £250).
    £1,190 vs £250
  • 11.5% worse value for money
    AMD Ryzen Threadripper PRO 3955WX has worse value for money than the average processor (6.53 vs 7.3).
    6.53 vs 7.29
  • Older TPM support
    This processor supports an older TPM version than the average processor (fTPM 2 vs PTT 2).
    fTPM 2.0 vs PTT 2.0
  • 2.3% lower boost clock
    This processor has a lower boost clock speed than the average processor (4.3 GHz vs 4.4 GHz). The average processor reaches boost clock speed of 4.4 GHz.
    4.3 GHz vs 4.4 GHz
  • Less advanced microarchitecture
    This processor uses a less advanced microarchitecture than the average processor (Castle Peak vs Kaby Lake).
    Castle Peak vs Kaby Lake
  • Limited PCIe bifurcation
    This processor supports less flexible PCIe bifurcation than the average processor (x4/x4/x4/x4 vs x16, x8/x8, x4/x4/x4/x4).
    x4/x4/x4/x4 vs x16, x8/x8, x4/x4/x4/x4
  • 6 fewer memory channels
    This processor has fewer memory channels than the average processor (8 vs 2). The average processor supports 2 memory channels.
    8 vs 2
  • No integrated graphics
    This processor does not include integrated graphics, while the average processor does. 85.4% of processors include integrated graphics.
  • 6.22x higher base power
    This processor 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
  • No configurable TDP
    This processor does not support configurable TDP, while the average processor does. 53.7% of processors support configurable TDP.
  • 6.22x higher TDP
    This processor 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 temperature limit
    This processor has a lower temperature limit than the average processor (90 °C vs 100 °C). The average processor can run up to 100 °C.
    90 °C vs 100 °C

Video reviews

Hands-on testing, unboxing, and real-world video evaluations

8.0
Miyconst
≈ estimated
20/03/2026
Benchmark comparison · work tasks and games vs Xeon
Verdict
AMD Ryzen Threadripper PRO 3955WX is recommended for buyers who need its connectivity, though power draw and some gaming performance are weak.
Hands-on video, no verdict
Shop video
Not graded

Expert reviews

In-depth analysis and verdict from leading tech publications

7.0
servethehome.com
≈ estimated
26/04/2021
Lab review · Workstation CPU
Verdict
The AMD Ryzen Threadripper PRO 3955WX offers full workstation features and high clocks in a 16-core chip, but its cache layout resembles basic EPYC chips rather than cache-rich models.

Third-party reviews

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 don't like 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.

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.

Compare AMD Ryzen Threadripper PRO 3955WX with other processors

1Product to compare no. 1
VS
2Product to compare no. 2
VS
3Product to compare no. 3 (optional)

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

No results found