Intel Xeon 6766P-B Full Specs

Summary

64 Cores 128 Threads 2.3GHz

TDP 305W

Bandwidth 409.6GB/s DDR5

Socket BGA 5026

Highlights

Geekbench 6 Single

Geekbench 6 Single Geekbench 6 Multi Max Bandwidth

Xeon 6766P-B1,748

x1

Top Score4,349DesktopM5 Max (18C40G)

x2.49

Core Config

64 Cores

128 Threads

Clocks

Base Clock 2.3GHz

Boost Clock 3.5GHz

Overclocking Locked

Cache

L1i 64KB

L1d 48KB

L2 2MB

L3 256MB

Memory

Type DDR5

Max Memory 2.26TB

ECC Yes

Channels 8

Bus Width 512-bit

Speed 6400MT/s

Bandwidth 409.6GB/s

Bandwidth Calculator Channels Transfer Rate6400MT/s UC·Spec·OC 409.6GB/s

Power & Thermals

TDP 305W

T-Case 85°C Max

Expansion

PCIe PCIe 5.0 x32 126GB/sBandwidth

PCIe Secondary PCIe 4.0 x16 31.5GB/sBandwidth

Chip

Manufacturer Intel

ISA x86-64

Architecture Granite Rapids

Family Xeon 6

Branding

Codename Granite Rapids-D Granite Rapids-XCCVariant Redwood CoveP-Core

Market Segment Server

Release Date Dec 1, 2025

Fabrication

Foundry Intel

Other Foundries IntelIO

Fabrication Node Intel 3 Intel 7IO

Die Size 1196mm² 482mm²IO

Images