CPUDesktopReleased Aug 28, 2024

Intel Xeon w5-2555X

14C/28T · 4.8 GHz · 210 W

The Intel Xeon w5-2555X is a 14-core, 28-thread workstation processor from Intel's Xeon W-2500 (Sapphire Rapids-WS Refresh) family, launched in August 2024. Built on the Intel 7 process with the Golden Cove microarchitecture, it runs at a 3.3 GHz base clock with Turbo Boost Max 3.0 speeds up to 4.8 GHz, backed by 33.75 MB of Intel Smart Cache. Designed for the LGA 4677 socket, it supports 4-channel ECC DDR5-4800 memory (up to 2 TB) and 64 lanes of PCIe 5.0 connectivity, with AVX-512 and Intel AMX acceleration for demanding professional workloads. With a 210 W base TDP (252 W maximum turbo power), it delivers strong single-socket performance for content creation, engineering simulation, and AI-assisted design.

General

Manufacturer: Intel
Model: Intel Xeon w5-2555X
Segment: Desktop
Generation: Xeon W-2500 (Sapphire Rapids-WS Refresh)
Codename: Sapphire Rapids-WS Refresh
Architecture: x86_64
Microarchitecture: Golden Cove
Release date: Aug 28, 2024
Price: $1,176Search on Amazon

Cores & clocks

Cores / threads: 14 cores / 28 threads
Base clock: 3.30 GHz
Boost clock: 4.80 GHz
TDP (design W): 210 W
Max: 252 W
Unlocked: ✕ No
L2 cache: —
L3 cache: 33.8 MB
Technology (nm): 7 nm
Intel 7

Platform

Socket: LGA 4677
2-CPU (multi-socket): ✕ No
Integrated GPU: None
Memory type: DDR5-4800
4-channel
Memory size: Up to 2,048 GB
ECC memory: ✓ Yes
PCIe: PCIe 5.0 (64 lanes)

Instructions & AI

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

OS support

Windows: Windows 10Windows 11 24H2Windows 11 25H2
ChromeOS: ChromeOS
Linux: UbuntuFedoraArch Linux

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