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It's hard to watch, but I can't look away - Threadripper 3990X

Linus Tech Tips@LinusTechTips4.3M viewsFeb 7, 202019:43
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Promos

Check out the Massdrop Object 2 Headphone Amp Desktop Edition at dro.ps Use code LINUS and get 25% off GlassWire at lmg.gg With 64 cores and 128 threads, Threadripper has finally dethroned even Intel’s biggest configurations at a price far lower, to boot. Could it be too good to be true? Buy a Threadripper 3990X: On Micro Center: lmg.gg On Amazon (PAID LINK): TBD On Newegg (PAID LINK): TBD Buy a Threadripper 3970X: On Amazon (PAID LINK): geni.us On Newegg (PAID LINK): geni.us Buy a Ryzen 9 3950X: On Amazon (PAID LINK): geni.us On Newegg (PAID LINK): geni.us Purchases made through some store links may provide some compensation to Linus Media Group. Discuss on the forum: linustechtips.com Our Affiliates, Referral Programs, and Sponsors: lmg.gg Get a Displate Metal Print at lmg.gg Get a 30-day free trial of Amazon Prime at lmg.gg Linus Tech Tips merchandise at lttstore.com Our Test Benches on Amazon: amazon.com Our production gear: geni.us Come see us at LTX 2020: ltxexpo.com Twitter - twitter.com Facebook - @LinusTech Instagram - @linustech Twitch - twitch.tv Intro Screen Music Credit: Title: Laszlo - Supernova Video Link: youtube.com iTunes Download Link: itunes.apple.com Artist Link: soundcloud.com Outro Screen Music Credit: Approaching Nirvana - Sugar High youtube.com

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AI OverviewDefault language

The video opens with a quick setup and a promise to deliver the full story behind AMD’s Threadripper 3990X, the first desktop processor with 64 cores and 128 threads. The host frames the product as a flagship halo piece that pushes the envelope of desktop computing and discusses the motivations behind AMD’s release, including market visibility and the halo effect. Early on, the discussion centers on core specifications, including 64 cores, 128 threads, 288 MB of cache, and memory support for up to 3,200 MHz with single rank 8 GB sticks. The team notes that while the CPU is expensive, it leverages silicon closely related to the epic server line, with differences in PCIe lanes and memory channels, which raises questions about value and bottlenecks in real workloads. They also point out the unusual performance profile for high core counts in certain lightly threaded tasks, which defies traditional expectations about large-core CPUs. The introductory segment sets the stage for a deep dive into whether the 3990X is a practical workstation tool or primarily a showcase piece for AMD’s technology leadership, highlighting the balance between raw compute power and real-world usability.

Topics · Technology · Computing · Hardware Review · CPUs · Performance Benchmarking

Questions answered

What is the Threadripper 3990X best suited for in professional workflows?
It is well suited for workloads that can utilize many cores in parallel, such as VFX rendering, large-scale compilations, and virtualization environments where multiple isolated workloads can run simultaneously.
Does the 3990X replace servers or epics in all scenarios?
No, it does not replace data center CPUs in all scenarios. For some workloads, dual-socket or higher memory capacity advantages and different workloads still favor server-class CPUs.
Is memory capacity a bottleneck for this chip?
Yes, because despite high theoretical memory support, the platform is limited by unbuffered DIMMs and practical RAM capacity ceilings.