The 3950X comes with an AMD-defined 105W TDP just like the 3900X, but the four extra active cores require a more robust cooling solution. Spoiler alert: We had no issues reaching the rated 4.7 GHz (and slightly beyond), though it isn't a sustained boost like we see with Intel's chips.Ĭooling comes into play, though. We put that to the test, which we'll cover on the next page. The 3950X features a 100 MHz higher boost clock than the 3900X, so naturally there has been some speculation that it, too, will not satisfy its boost specfication. The Ryzen 9 3900X seems to suffer the most from the issues, leaving some users unable to hit its 4.6 GHz boost clock. The Ryzen 9 3950X comes with AMD's highest-binned silicon to enable a 4.7 GHz boost clock, but like other Ryzen 3000 processors, it comes with a mix of faster and slower cores.ĪMD weathered plenty of criticism in the immediate aftermath of its Ryzen 3000 launch because not all of its chips could hit the rated boost clocks, but a series of BIOS fixes have mostly addressed those shortcomings. You can learn more about the design here. All told, the chip sports ~9.89 billion transistors, and they are all active: Unlike the 12-core 3900X, all 16 of the 3950X's hyper-threaded cores are enabled, forging a 16-core 32-thread beast that fits inside the confines of a chip that drops into the AM4 socket on mainstream motherboards. Like the Ryzen 9 3900X, the 3950X comes packing AMD's Zen 2 microarchitecture spread across two small 7nm eight-core compute chiplets tied together with the Infinity Fabric interconnect via a larger 12nm I/O die (IOD).Įach small compute chiplet, referred to as a CCD (Core Chiplet Die), comes with eight physical cores. Ryzen's 7nm process offers density advantages that manifest as higher performance, better power efficiency, more cores, and more cache packed into a smaller area than the first-gen Ryzen models. Perhaps Intel tipped its hat on its perception of the 3950X and Threadripper 3000 chips when it slashed its Cascade Lake-X pricing in half before either of AMD's competing chips even came to market.īut while we await the Threadripper 3000 goodness, we have the beefiest chip to ever drop into a mainstream motherboard: The Ryzen 9 3950X that features nearly as many cores as Intel's HEDT flagship. Meanwhile, AMD leads the industry with PCIe 4.0.įrom early indications, Intel's mainstream Comet Lake processors will arrive next year with a maximum of 10 cores, leaving AMD with the uncontested core count lead for quite some time. But Intel's chips will still top out at 18 cores, only two more than AMD's 3950X, and require a pricey X299 platform that comes equipped with the PCIe 3.0 interface. To say this chip blurs the lines between the mainstream desktop and HEDT is an understatement: In reality, it brings HEDT-class performance to the friendlier pricing of mainstream motherboards, placing it in a class of its own.īoth companies will update their HEDT lineups later this month, with AMD plowing ahead to 32-core Threadripper 3000 chips (possibly 64 cores in the future), while Intel releases yet another iteration of its Skylake-derived 14nm silicon with its Cascade Lake-X lineup. ![]() Of course, process technology doesn't solve all the challenges of fielding a competitive chip, but that advantage is hard to beat when paired with a solid microarchitecture like AMD's Zen 2.Ī few months ago, AMD moved the industry again with the 12-core Ryzen 9 3900X but left us with the promise of something even more powerful: The Ryzen 9 3950X that completely upsets the paradigm with 16 cores and 32 threads, encroaching on both Intel's Skylake-X Refresh HEDT lineup and AMD's own Threadripper platform. The company has slowly dialed up the frequency of its aging 14nm process and added more cores, but those tweaks can't offset the reality that AMD has moved onto a denser and more efficient 7nm process that enables higher core counts. But Dell did a questionable job on the cooling front, including a single intake fan and a small radiator with the AIO liquid cooler.ĪMD's Ryzen family has completely redefined our expectations for desktop processors, and Intel has struggled to respond. That system trounced competing high-end gaming rigs in many productivity tests. The CPU upsets Intel's positioning in mainstream desktops and disrupts it's vaunted high-end desktop (HEDT) lineup in the process.Īside from the deep dive on the CPU that we're tackling here, we've also tested and reviewed they Ryzen 9 3950X in Alienware's redesigned Aurora R10 gaming desktop. AMD's Ryzen 9 3950X lands today, bringing the ultimate threaded performance to the mainstream desktop with an industry-leading and unprecedented 16 cores and 32 threads, paired with the bandwidth-doubling PCIe 4.0 interface for $749.
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