Ryzen Threadripper PRO 3945WX: specs and benchmarks

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Aggregate performance score

Ryzen Threadripper PRO 3945WX
2020
12 cores / 24 threads, 280 Watt
21.10

Ryzen Threadripper PRO 3945WX provides good benchmark performance at 21.10% of a leader's which is a 96-core EPYC 9655P.

Summary

AMD started Ryzen Threadripper PRO 3945WX sales 14 July 2020. This is a Matisse architecture desktop processor primarily aimed at office systems. It has 12 cores and 24 threads, and is based on 7 nm, 12 nm manufacturing technology, with a max turbo frequency of 4300 MHz and an unlocked multiplier.

Compatibility-wise, this is AMD Socket TR4 processor with a TDP of 280 Watt and a maximum temperature of 95 °C. It supports DDR4-3200 memory.

Primary details

Ryzen Threadripper PRO 3945WX processor market type (desktop or notebook), architecture, sales start time and pricing.

Place in the ranking261
Place by popularitynot in top-100
Market segmentServer
SeriesAMD Ryzen Threadripper
Power efficiency7.13of 100.00 (Core Ultra 7 164U)
Architecture codenameMatisse (2019−2020)
Release date14 July 2020 (4 years ago)

Detailed specifications

Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.

Physical cores12 (Dodeca-Core)
Threads24
Base clock speed4 GHzof 4.7 GHz (Ryzen 9 7900X)
Boost clock speed4.3 GHzof 6.2 GHz (Core i9-14900KS)
Multiplier40of 42 (Core i7-7700K)
L1 cache64K (per core)of 80 KB (EPYC 9965)
L2 cache512K (per core)of 2 MB (Xeon 6980P)
L3 cache64 MBof 1152 MB (EPYC 9684X)
Chip lithography7 nm, 12 nmof 3 nm (Core Ultra 9 285K)
Die size74 mm2
Maximum case temperature (TCase)95 °Cof 105 °C (Core i7-5950HQ)
Number of transistors3,800 millionof 135,240 million (EPYC 9684X)
64 bit support+
Windows 11 compatibility+
Unlocked multiplier+

Compatibility

Information on Ryzen Threadripper PRO 3945WX compatibility with other computer components and devices: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration1of 8 (Xeon Platinum 8454H)
SocketTR4
Power consumption (TDP)280 Wattof 500 Watt (Xeon 6960P)

Technologies and extensions

Technological capabilities and additional instructions supported by Ryzen Threadripper PRO 3945WX. You'll probably need this information if you require some particular technology.

AES-NI+
AVX+

Virtualization technologies

Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.

AMD-V+

Memory specs

Types, maximum amount and channel number of RAM supported by Ryzen Threadripper PRO 3945WX's memory controller. Depending on the motherboard, higher memory frequency may be supported.

Supported memory typesDDR4-3200
Maximum memory size2 TiBof 6 TiB (EPYC 9654)
Maximum memory bandwidth204.8 GB/sof 460.8 GB/s (EPYC 9654)

Graphics specifications

General parameters of a GPU integrated into Ryzen Threadripper PRO 3945WX.

Integrated graphics card-

Peripherals

Specifications and connection types of supported peripherals.

PCIe version4.0of 5.0 (EPYC 9655P)
PCI Express lanes128

Benchmark performance

Single-core and multi-core benchmark results of Ryzen Threadripper PRO 3945WX. Overall benchmark performance is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Ryzen Threadripper PRO 3945WX 21.10

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Ryzen Threadripper PRO 3945WX 33521

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Ryzen Threadripper PRO 3945WX 1679

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Ryzen Threadripper PRO 3945WX 10838

Gaming performance

Closest competitors

Ryzen Threadripper PRO 3945WX's performance relative to its closest rivals among server CPUs.


Xeon D-2799 100.81
Ryzen Threadripper PRO 3945WX 100

Similar processors

Here is our recommendation of several processors that are more or less close in performance to the one reviewed.

Recommended GPUs

People consider these graphics cards to be good for Ryzen Threadripper PRO 3945WX, according to our PC configuration statistics.

These are the fastest graphics cards for Ryzen Threadripper PRO 3945WX in our user configuration statistics. There is a total of 15 configurations using Ryzen Threadripper PRO 3945WX in our database.

All comparisons with Ryzen Threadripper PRO 3945WX

Community ratings

Here is the rating given to the reviewed processor by our users. Let others know your opinion by rating it yourself.


3.7 30 votes

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