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Intel Overclockable Xeon W Workstation CPUs up to 56 Cores: a Return to HEDT-Class Chips

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(Image credit: Tom’s Hardware)

Intel announced its Xeon W-3400 and W-2400 workstation processors, codenamed Fishawk Falls, with 15 new chips spanning from the flagship 56-core $5,889 Xeon w-3495X to the eight-core $359 w3-2423. Eight of the new models are also overclockable, thus marking Intel’s return to HEDT-class desktop processors (lower-cost overclockable server processors), for the first time since it launched the Core i9-10980XE back in 2019.

AMD’s competing Threadripper Pro currently holds the top spots on our list of best CPUs for workstations and still has the core count lead with the 64-core Threadripper Pro 5995WX, but Intel’s support for the latest connectivity options, including up to 112 PCIe 5.0 lanes and eight channels of DDR5 memory while AMD still relies on PCIe 4.0 and DDR4, could give it the edge in some workloads.

Intel claims the new Xeon W chips are up to 28% faster in single-threaded and 120% faster in multi-threaded work than its own previous-gen Xeon W processors, but didn’t share any performance comparisons to AMD’s Threadripper Pro series processors that address the same core workstation market segments. Intel also didn’t share any gaming performance benchmarks to give us a sense of where these chips will land on the list of the best CPUs for gaming. This makes sense, given the workstation focus, but the chips’ overclockability will make game testing results interesting once the silicon is in the wild.

Intel Xeon W-3400 W-2400 Specifications and Pricing

Swipe to scroll horizontally
Row 0 – Cell 0 Cores / Threads MSRP/SEP Base / Boost (GHz) TDP PCIe L3 Cache (MB)
Threadripper Pro 5995WX 64 / 128 $6,499 2.7 / 4.5 280W 128 256 (8CCD + I/OD)
Xeon w9-3495X 56 / 112 $5,889 1.9 / 4.8 350W 112 105
Xeon w9-3475X 36 / 72 $3,739 2.2 / 4.8 300W 112 82.5
Threadripper Pro 5975WX 32 / 64 $3,299 3.6 / 4.5 280W 128 128 (4CCD + I/OD)
Xeon w7-3455 24 / 48 $2,489 2.5 / 4.8 270W 112 75
Threadripper Pro 5965WX 24 / 48 $2,399 3.8 / 4.5 280W 128 128 (4CCD + I/OD)
Intel Xeon w5-3435X 16 / 32 $1,589 3.1 / 4.7 270W 112 45
Threadripper 5955WX 16 / 32 OEM-only 4.0 / 4.5 280W 128 64

Here’s a quick comparison of a few of Intel’s flagship chips to AMD’s competing Threadripper Pro. Intel’s workstation family includes four tiers with w9, w7, w5, and w3 models, mostly analogous to Intel’s Core i9, i7, i5, and i3 branding scheme. Intel carves the Xeon W stack into four tiers, including dual socket models. We’ll dive into the families in more detail below, but the single-socket W-2400 and W-3400 tiers are the focus of this launch:

  • Intel Xeon W-3400: “Expert,” 12 to 56 hyperthreaded cores, 112 Lanes PCIe 5.0 from CPU, Eight Channels up to DDR5-4800 (4TB), 270W to 350W (w5, w7, w9), single LGA-4677 socket, W790 chipset
  • Intel Xeon W-2400: “Mainstream,” 6 to 24 hyperthreaded cores, 64 Lanes PCIe 5.0 from CPU, Four Channels up to DDR5-4800 (2TB), 120W to 225W (w3, w5, w7), single LGA-4677 socket, W790 chipset
  • Maximum Turbo Power (MTP) is 1.2X the Processor Base Power (PBP)

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