AMD Ryzen Threadripper Pro 3945WX
AMD Ryzen Threadripper Pro 3955WX
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AMD Ryzen Threadripper Pro 3945WX vs AMD Ryzen Threadripper Pro 3955WX. Specifications, performance, tests

Overall score
star star star star star
Released
Q1/2021
AMD Ryzen Threadripper Pro 3945WX
AMD Ryzen Threadripper Pro 3945WX
Released
Q1/2021
Overall score
star star star star star
AMD Ryzen Threadripper Pro 3955WX
AMD Ryzen Threadripper Pro 3955WX

What's the best choice AMD Ryzen Threadripper Pro 3945WX or AMD Ryzen Threadripper Pro 3955WX? Which processor is faster?

We have prepared a comparison to help you choose the best processor. Compare their specifications and benchmarks.

AMD Ryzen Threadripper Pro 3945WX has a maximum frequency of 4.00 GHz. 12 Cores. Power consumption of 280 W. Released in Q1/2021.

AMD Ryzen Threadripper Pro 3955WX has a maximum frequency of 3.90 GHz. 16 Cores. Power consumption of 280 W. Released in Q1/2021.

Differences

  • Place in the overall ranking

    (based on several benchmarks)

    179 left arrow score
  • Higher clock speed

    Around 3% better clock speed

    4.00 GHz left arrow 3.90 GHz

Positions in all rankings

Common positions AMD Ryzen Threadripper Pro 3945WX CPU in popular benchmarks, for comparison with other models.

  • Geekbench 5, 64bit (Single-Core)
    303 place
  • Geekbench 5, 64bit (Multi-Core)
    130 place
  • Estimated results for PassMark CPU Mark
    97 place
  • Place in the overall ranking

    (based on several benchmarks)

    46 left arrow score
  • More number of cores

    About 1.33 times more cores

    16 left arrow 12

Positions in all rankings

Common positions AMD Ryzen Threadripper Pro 3955WX CPU in popular benchmarks, for comparison with other models.

  • Geekbench 5, 64bit (Single-Core)
    304 place
  • Geekbench 5, 64bit (Multi-Core)
    86 place
  • iGPU - FP32 Performance (Single-precision GFLOPS)
    9 place
  • Estimated results for PassMark CPU Mark
    58 place
  • CPU-Z Benchmark 17 (Multi-Core)
    7 place
  • Geekbench 6 (Multi-Core)
    51 place

Specifications

Technical data
AMD Ryzen Threadripper Pro 3945WX AMD Ryzen Threadripper Pro 3945WX
AMD Ryzen Threadripper Pro 3955WX AMD Ryzen Threadripper Pro 3955WX
CPU family and group

Background information about the processors being compared, series, generation and market segment.

  • Segment
    Desktop / Server left arrow Desktop / Server
  • Family
    AMD Ryzen left arrow AMD Ryzen
  • Generation
    3 left arrow 3
  • CPU group
    AMD Ryzen Threadripper PRO 3000 left arrow AMD Ryzen Threadripper PRO 3000
CPU Technical specs

Basic parameters such as number of cores, number of threads, base and turbo frequency, and cache size. These parameters indirectly tell about the speed of the processor, the higher they are the better.

  • Frequency
    4.00 GHz left arrow 3.90 GHz
  • CPU Cores
    12 left arrow 16
  • Turbo (1 Core)
    4.30 GHz left arrow 4.30 GHz
  • CPU Threads
    24 left arrow 32
  • Hyperthreading
    Yes left arrow Yes
  • Overclocking
    Yes left arrow Yes
  • Core architecture
    normal left arrow normal
IGPU

Internal Graphics does not affect the performance of the CPU, performs the work of the graphics card in its absence or on mobile devices.

  • GPU name
    no iGPU left arrow no iGPU
  • GPU (Turbo)
    No turbo left arrow No turbo
Hardware codec support

Built-in codecs used to encode and decode content. Significantly speeds up the required operations.

  • h265 / HEVC (8 bit)
    No left arrow No
  • h265 / HEVC (10 bit)
    No left arrow No
  • h264
    No left arrow No
  • VP9
    No left arrow No
  • VP8
    No left arrow No
  • AV1
    No left arrow No
  • AVC
    No left arrow No
  • VC-1
    No left arrow No
  • JPEG
    No left arrow No
Memory specs & PCI

Types, channel quantity of RAM supported by AMD Ryzen Threadripper Pro 3955WX and AMD Ryzen Threadripper Pro 3945WX. Depending on the motherboards, higher or lower memory frequencies may be supported.

  • Memory type
    DDR4-3200 left arrow DDR4-3200
  • Max. Memory
    2048 GB left arrow 2048 GB
  • ECC
    Yes left arrow Yes
  • Memory channels
    8 left arrow 8
  • PCIe version
    4.0 left arrow 4.0
  • PCIe lanes
    72 left arrow 72
Encryption
  • AES-NI
    Yes left arrow Yes
Thermal Management

Compare the TDP requirements of TDP AMD Ryzen Threadripper Pro 3945WX and AMD Ryzen Threadripper Pro 3955WX to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

  • TDP (PL1)
    280 W left arrow 280 W
  • Tjunction max.
    95 °C left arrow 95 °C
Technologies and extensions

Architecture, interfaces, additional instructions supported by AMD Ryzen Threadripper Pro 3945WX and AMD Ryzen Threadripper Pro 3945WX, virtual machine technologies and process technology.

  • Instruction set (ISA)
    x86-64 (64 bit) left arrow x86-64 (64 bit)
  • Virtualization
    AMD-V, SVM left arrow AMD-V, SVM
  • ISA extensions
    SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 left arrow SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
  • L3-Cache
    64.00 MB left arrow 64.00 MB
  • Architecture
    Castle Peak (Zen 2) left arrow Castle Peak (Zen 2)
  • Technology
    7 nm left arrow 7 nm
  • Socket
    WRX8 (sWRX8) left arrow WRX8 (sWRX8)
  • Release date
    Q1/2021 left arrow Q1/2021

Benchmarks

Performance tests CPUs

Based on the results of several benchmarks, you can more accurately estimate the difference in performance between AMD Ryzen Threadripper Pro 3945WX and AMD Ryzen Threadripper Pro 3955WX.

Compare the synthetic test values and choose the best processor!

Geekbench 5, 64bit (Single-Core)
Geekbench 5 SC is a popular cross-platform performance test for desktop or mobile processors that uses system memory intensively
1307
AMD Ryzen Threadripper Pro 3945WX
1307
AMD Ryzen Threadripper Pro 3955WX
Geekbench 5, 64bit (Multi-Core)
Geekbench 5 MC is a popular cross-platform performance test for desktop or mobile processors that uses system memory intensively
12828
AMD Ryzen Threadripper Pro 3945WX
15679
AMD Ryzen Threadripper Pro 3955WX
Estimated results for PassMark CPU Mark
PassMark is a test suite that performs complex mathematical calculations to determine CPU performance on file compression, encryption and physics-related tasks
34650
AMD Ryzen Threadripper Pro 3945WX
40833
AMD Ryzen Threadripper Pro 3955WX

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