Ryzen Threadripper PRO 3945WX vs Ryzen 9 3900XT

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Aggregate performance score

Ryzen 9 3900XT
2020
12 cores / 24 threads, 105 Watt
20.56
Ryzen Threadripper PRO 3945WX
2020
12 cores / 24 threads, 280 Watt
21.10
+2.6%

Ryzen Threadripper PRO 3945WX outperforms Ryzen 9 3900XT by a minimal 3% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 3900XT and Ryzen Threadripper PRO 3945WX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking274261
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation26.06no data
Market segmentDesktop processorServer
SeriesAMD Ryzen 9AMD Ryzen Threadripper
Power efficiency18.537.13
Architecture codenameMatisse 2 (2020)Matisse (2019−2020)
Release date16 June 2020 (4 years ago)14 July 2020 (4 years ago)
Launch price (MSRP)$499no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 9 3900XT and Ryzen Threadripper PRO 3945WX basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores12 (Dodeca-Core)12 (Dodeca-Core)
Threads2424
Base clock speed3.8 GHz4 GHz
Boost clock speed4.7 GHz4.3 GHz
Multiplierno data40
L1 cache768 KB768 KB
L2 cache6 MB6 MB
L3 cache64 MB64 MB
Chip lithography7 nm, 12 nm7 nm, 12 nm
Die size74 mm274 mm2
Maximum case temperature (TCase)95 °C95 °C
Number of transistors3,800 million15940 Million
64 bit support++
Windows 11 compatibility++
Unlocked multiplier++

Compatibility

Information on Ryzen 9 3900XT and Ryzen Threadripper PRO 3945WX compatibility with other computer components: 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 configuration11
SocketAM4TR4
Power consumption (TDP)105 Watt280 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 3900XT and Ryzen Threadripper PRO 3945WX. You'll probably need this information if you require some particular technology.

AES-NI++
AVX++
Precision Boost 2+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 3900XT and Ryzen Threadripper PRO 3945WX are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 3900XT and Ryzen Threadripper PRO 3945WX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200DDR4-3200
Maximum memory size128 GB2 TiB
Max memory channels2no data
Maximum memory bandwidth51.196 GB/s204.8 GB/s
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card--

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 3900XT and Ryzen Threadripper PRO 3945WX.

PCIe version4.04.0
PCI Express lanesno data128

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score 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 9 3900XT 20.56
Ryzen Threadripper PRO 3945WX 21.10
+2.6%

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 9 3900XT 32660
Ryzen Threadripper PRO 3945WX 33521
+2.6%

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 9 3900XT 1741
+3.6%
Ryzen Threadripper PRO 3945WX 1680

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 9 3900XT 9909
Ryzen Threadripper PRO 3945WX 10867
+9.7%

Gaming performance

Pros & cons summary


Performance score 20.56 21.10
Power consumption (TDP) 105 Watt 280 Watt

Ryzen 9 3900XT has 166.7% lower power consumption.

Ryzen Threadripper PRO 3945WX, on the other hand, has a 2.6% higher aggregate performance score.

Given the minimal performance differences, no clear winner can be declared between Ryzen 9 3900XT and Ryzen Threadripper PRO 3945WX.

Note that Ryzen 9 3900XT is a desktop processor while Ryzen Threadripper PRO 3945WX is a server/workstation one.


Should you still have questions on choice between Ryzen 9 3900XT and Ryzen Threadripper PRO 3945WX, ask them in Comments section, and we shall answer.

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AMD Ryzen 9 3900XT
Ryzen 9 3900XT
AMD Ryzen Threadripper PRO 3945WX
Ryzen Threadripper PRO 3945WX

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


4.7 424 votes

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Questions & comments

Here you can ask a question about Ryzen 9 3900XT or Ryzen Threadripper PRO 3945WX, agree or disagree with our judgements, or report an error or mismatch.