Ryzen Threadripper PRO 3945WX vs Ryzen Threadripper 2900X

Primary details

Comparing Ryzen Threadripper 2900X and Ryzen Threadripper PRO 3945WX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated256
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorServer
Seriesno dataAMD Ryzen Threadripper
Power efficiencyno data7.14
Architecture codenameZen (2017−2020)Matisse (2019−2020)
Release dateAugust 2018 (6 years ago)14 July 2020 (4 years ago)

Detailed specifications

Ryzen Threadripper 2900X 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 cores8 (Octa-Core)12 (Dodeca-Core)
Threadsno data24
Base clock speedno data4 GHz
Boost clock speed3.1 GHz4.3 GHz
Multiplierno data40
L1 cache96 KB (per core)64K (per core)
L2 cache512 KB (per core)512K (per core)
L3 cache32768 KB64 MB
Chip lithography14 nm7 nm, 12 nm
Die size213 mm274 mm2
Maximum case temperature (TCase)no data95 °C
Number of transistors9600 million3,800 million
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier++

Compatibility

Information on Ryzen Threadripper 2900X 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
Socketno dataTR4
Power consumption (TDP)125 Watt280 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen Threadripper 2900X and Ryzen Threadripper PRO 3945WX. You'll probably need this information if you require some particular technology.

AES-NI-+
AVX-+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen Threadripper 2900X and Ryzen Threadripper PRO 3945WX are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper 2900X and Ryzen Threadripper PRO 3945WX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4-3200
Maximum memory sizeno data2 TiB
Maximum memory bandwidthno data204.8 GB/s

Peripherals

Specifications and connection of peripherals supported by Ryzen Threadripper 2900X and Ryzen Threadripper PRO 3945WX.

PCIe versionno data4.0
PCI Express lanesno data128

Pros & cons summary


Physical cores 8 12
Chip lithography 14 nm 7 nm
Power consumption (TDP) 125 Watt 280 Watt

Ryzen Threadripper 2900X has 124% lower power consumption.

Ryzen Threadripper PRO 3945WX, on the other hand, has 50% more physical cores, and a 100% more advanced lithography process.

We couldn't decide between Ryzen Threadripper 2900X and Ryzen Threadripper PRO 3945WX. We've got no test results to judge.

Note that Ryzen Threadripper 2900X is a desktop processor while Ryzen Threadripper PRO 3945WX is a server/workstation one.


Should you still have questions on choice between Ryzen Threadripper 2900X and Ryzen Threadripper PRO 3945WX, ask them in Comments section, and we shall answer.

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AMD Ryzen Threadripper 2900X
Ryzen Threadripper 2900X
AMD Ryzen Threadripper PRO 3945WX
Ryzen Threadripper PRO 3945WX

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Community ratings

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3.9 7 votes

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3.7 30 votes

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Questions & comments

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