Intel Xeon 638 Full Specs

Summary

16 Cores 32 Threads 3.2GHz

TDP 180W

Bandwidth 204.8GB/s DDR5

Socket LGA 4710

Highlights

Geekbench 6 Single

Geekbench 6 Single Geekbench 6 Multi Max Bandwidth

Xeon 6382,400

x1

Top Score4,349DesktopM5 Max (18C40G)

x1.81

Core Config

16 Cores

32 Threads

Clocks

Base Clock 3.2GHz

Boost Clock 4.8GHz

Overclocking Locked

Cache

L1i 64KB

L1d 48KB

L2 2MB

L3 72MB

Memory

Type DDR5

Max Memory 2.05TB

ECC Yes

Channels 4

Bus Width 256-bit

Speed 6400MT/s

Bandwidth 204.8GB/s

Bandwidth Calculator Channels Transfer Rate6400MT/s UC·Spec·OC 204.8GB/s

Power & Thermals

TDP 180W

Peak Power 216W

Max Operating Temp 100°C Max

T-Case 76°C Max

Expansion

PCIe PCIe 5.0 x80 315GB/sBandwidth

Chip

Manufacturer Intel

ISA x86-64

Architecture Granite Rapids

Family Xeon 6

Branding

Codename Granite Rapids-WS Granite Rapids-LCCVariant Redwood CoveP-Core

Market Segment Workstation

Release Date Feb 2, 2026

Fabrication

Foundry Intel

Other Foundries IntelIO

Fabrication Node Intel 3 Intel 7IO

Die Size 482mm²IO

Images