Intel Xeon 634 vs Intel Xeon W-2191B Full Specs

Summary

12 Cores 24 Threads 2.7GHz	18 Cores 36 Threads 2.3GHz
TDP 150W	TDP 140W
Bandwidth 204.8GB/s DDR5	Bandwidth 85.3GB/s DDR4
Socket LGA 4710	Socket LGA 2066

Highlights

Geekbench 6 Single

Geekbench 6 Single Geekbench 6 Multi Max Bandwidth TDP

Xeon 634-

-

Xeon W-2191B1,300

x1

Show Top Score

Core Config

12 Cores	18 Cores
24 Threads	36 Threads

Clocks

Base Clock 2.7GHz	Base Clock 2.3GHz
Boost Clock 4.6GHz	Boost Clock 4.3GHz
Overclocking Locked	Overclocking Locked

Cache

L1i 64KB	L1i 32KB
L1d 48KB	L1d 32KB
L2 2MB	L2 1MB
L3 48MB	L3 24.8MB

Memory

Type DDR5	Type DDR4
Max Memory 2.05TB	Max Memory 512GB
ECC Yes	ECC Yes
Channels 4	Channels 4
Bus Width 256-bit	Bus Width 256-bit
Speed 6400MT/s	Speed 2666MT/s
Bandwidth 204.8GB/s	Bandwidth 85.3GB/s
Bandwidth Calculator Channels Transfer Rate6400MT/s Calculated Bandwidth 204.8GB/s	Bandwidth Calculator Channels Transfer Rate2666MT/s Calculated Bandwidth 85.3GB/s

Power & Thermals

TDP 150W	TDP 140W
Peak Power 180W	Peak Power -
Max Operating Temp 87°C Max	Max Operating Temp 100°C Max
T-Case 68°C Max	T-Case -
Included Cooler -	Included Cooler 0

Chipset Bus

Bus Type -	Bus Type DMI
Bus Config -	Bus Config 4 lanes
Bus Speed -	Bus Speed 8GT/s
Bus Bandwidth -	Bus Bandwidth 4GB/s

Expansion

PCIe PCIe 5.0 x80 315GB/sBandwidth

PCIe PCIe 3.0 x48 47.3GB/sBandwidth

Chip

Manufacturer Intel	Manufacturer Intel
ISA x86-64	ISA x86-64
Architecture Granite Rapids	Architecture Skylake
Family Xeon 6	Family Xeon 1
Branding	Branding
Codename Granite Rapids-D 16Die Granite Rapids-LCCVariant Redwood CoveP-Core 12M-Core	Codename Skylake-E - Skylake-SP-HCCVariant - -
Market Segment Workstation	Market Segment Workstation
Release Date Feb 2, 2026	Release Date Dec 21, 2017

Fabrication

Foundry Intel	Foundry Intel
Other Foundries IntelIO	Other Foundries -
Fabrication Node Intel 3 Intel 7IO	Fabrication Node 14nm -
Die Size - 482mm²IO	Die Size 484mm² -
Transistor Count -	Transistor Count 8.3 Billion
Transistor Density -	Transistor Density 17 MTr/mm²

Images

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Used In

All-in-Ones -

All-in-Ones iMac Pro(Late 2017)

Competitors

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