Intel Xeon 656 Full Specs

Summary

20 Cores 40 Threads 2.9GHz

TDP 210W

Bandwidth 409.6GB/s DDR5

Socket LGA 4710

Highlights

Geekbench 6 Single

Geekbench 6 Single Geekbench 6 Multi Max Bandwidth

Xeon 6562,960

x1

Top Score4,349DesktopM5 Max (18C40G)

x1.47

Core Config

20 Cores

40 Threads

Clocks

Base Clock 2.9GHz

Boost Clock 4.8GHz

Overclocking Locked

Cache

L1i 64KB

L1d 48KB

L2 2MB

L3 72MB

Memory

Type DDR5

Max Memory 4.1TB

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 210W

Peak Power 252W

Max Operating Temp 98°C Max

T-Case 74°C Max

Expansion

PCIe PCIe 5.0 x128 504.1GB/sBandwidth

Chip

Manufacturer Intel

ISA x86-64

Architecture Granite Rapids

Family Xeon 6

Branding

Codename Granite Rapids-WS Granite Rapids-HCCVariant 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 598mm² 482mm²IO

Images