AMD's 64-core Threadripper 3990x is now available

AMD Threadripper 3990x Wide
AMD Threadripper 3990x Wide (Image credit: AMD)

What you need to know

  • The AMD Threadripper 3990x is now available.
  • The CPU has 64 cores and 128 threads to deliver high performance.
  • The Threadripper 3990x is avaialble now from NewEgg for $3990

The AMD Threadripper 3990x is now available through NewEgg. AMD's latest Threadripper CPU brings 64 cores and 128 threads to help you render the most demanding workloads and games. AMD announced the CPU at CES 2020, including its impressive spec sheet. The Threadripper 3990x costs $3,990.

The Threadripper 3990x has 64 cores, 128 threads, and a combined cache of 288MB. It has 88 total PCIe 4.0 lanes to accommodate large GPU and NVMe requirements. It also has quad-channel DDR4 with ECC support.

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CategoryAMD Ryzen Threadripper 3990x
CPU cores64
Threads128
Base clock2.9GHz
Max boost clock4.3GHz
Total L1 cache4MB
Total L2 Cache32MB
Total L3 Cache256MB
UnlockedYes
CMOSTSMC 7nm FinFET
PackagesTRX4
PCI Express VersionPCIe 4.0
Default TDP/TDP280W
Max temperature95°C
OS supportWindows 10 - 64-Bit Edition
RHEL x86 64-Bit

It has NVMe RAID support, meaning you can combine up to six NVMe disks with Threadripper processors. You can double that bandwidth with PCIe 4.0 on AMD's TRX40 motherboards.

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AMD positioned the Threadripper 3990x as a value proposition when compared to more expensive Intel hardware. AMD stated at CES that the Threadripper 3990x is around 30 percent faster than a dual Intel Xeon 8280 configuration, which costs around $20,000. The Threadripper 3990x is geared towards high-end professionals, so a price tag measured in thousands is normal.

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Sean Endicott
News Writer

Sean Endicott is a News Writer at Windows Central, where he covers Windows 11, Surface hardware, Microsoft 365, AI, apps, and the broader PC ecosystem. Since joining the site in 2017, he has written well over a thousand articles across the Microsoft landscape, covering breaking news, analysis, and feature reporting.

He writes Windows Wrap, a weekly column covering the biggest stories in Windows and the PC industry, and what they mean for the platform going forward.

Before joining Windows Central full-time, Sean worked in journalism and media production after earning a First Class degree in Broadcast Journalism from Nottingham Trent University. Outside of tech, he is an award-winning American football coach based in Nottingham, England, and was named BAFCA Youth Coach of the Year in 2024.