CPUDesktopReleased Aug 28, 2024

Intel Xeon w7-3555

28C/56T · 4.8 GHz · 325 W

The Xeon w7-3555 is a 28-core, 56-thread model of Intel's Xeon W-3500 (Sapphire Rapids-WS Refresh) workstation family, launched on 28 August 2024. It is the highest-core-count locked processor of the series, aimed at OEM workstations for rendering, simulation and engineering work that favour stable clocks over overclocking headroom.

General

Manufacturer
Intel
Model
Intel Xeon w7-3555
Segment
Desktop
Generation
Xeon W-3500 (Sapphire Rapids-WS Refresh)
Codename
Sapphire Rapids-WS Refresh
Architecture
x86_64
Microarchitecture
Golden Cove
Release date
Aug 28, 2024
Price

Cores & clocks

Cores / threads
28 cores / 56 threads
Base clock
2.70 GHz
Boost clock
4.80 GHz
TDP (design W)
325 W
Max: 390 W
Unlocked
✕ No
L2 cache
56 MB
L3 cache
75 MB
Technology (nm)
7 nm
Intel 7

Platform

Socket
FCLGA4677
2-CPU (multi-socket)
✕ No
Integrated GPU
None
Memory type
DDR5-4800
8-channel
Memory size
Up to 4,096 GB
ECC memory
✓ Yes
PCIe
PCIe 5.0 (112 lanes)

Instructions & AI

Instruction extensions
SSE4.1SSE4.2AVX2AVX-512Intel AMX
NPU
None

OS support

Windows
Windows 10Windows 11 24H2Windows 11 25H2Windows 11 26H2
Linux
UbuntuFedoraArch Linux
Notes
Microsoft lists support at series level (Xeon W-3500 Series), which covers this Sapphire Rapids-WS Refresh part for Windows 10 and Windows 11 24H2/25H2/26H2. Current Linux distributions install and run normally on this workstation platform; ChromeOS is not applicable and macOS is tracked for Apple-designed cores only.
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