Intel Xeon 638 vs Intel Xeon W-3223 Full Specs

Summary

16 Cores 32 Threads 3.2GHz	8 Cores 16 Threads 3.5GHz
TDP 180W	TDP 160W
Bandwidth 204.8GB/s DDR5	Bandwidth 128GB/s DDR4
iGPU 0	iGPU 0
Socket LGA 4710	Socket LGA 3647

Highlights

Max Bandwidth

Max Bandwidth TDP

Xeon 638204.8GB/s

x1.60

Xeon W-3223128GB/s

x1

Core Config

16 Cores	8 Cores
32 Threads	16 Threads

Clocks

Base Clock 3.2GHz	Base Clock 3.5GHz
Boost Clock 4.8GHz	Boost Clock 4.2GHz
Overclocking Locked	Overclocking Locked

Cache

L1i 64KB	L1i 32KB
L1d 48KB	L1d 32KB
L2 2MB	L2 1MB
L3 72MB	L3 16.5MB

Memory

Type DDR5	Type DDR4
Max Memory 2.05TB	Max Memory 1.02TB
ECC Yes	ECC Yes
Channels 4	Channels 6
Bus Width 256-bit	Bus Width 384-bit
Speed 6400MT/s	Speed 2666MT/s
Bandwidth 204.8GB/s	Bandwidth 128GB/s
Bandwidth Calculator Channels Transfer Rate6400MT/s Calculated Bandwidth 204.8GB/s	Bandwidth Calculator Channels Transfer Rate2666MT/s Calculated Bandwidth 128GB/s

Power & Thermals

TDP 180W	TDP 160W
Peak Power 216W	Peak Power -
Max Operating Temp 100°C Max	Max Operating Temp 68°C Max
T-Case 76°C Max	T-Case -

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 x64 63GB/sBandwidth

Chip

Manufacturer Intel	Manufacturer Intel
ISA x86-64	ISA x86-64
Architecture Granite Rapids	Architecture Skylake
Family Xeon 6	Family Xeon 2
Branding	Branding
Codename Granite Rapids-D 16Die Granite Rapids-LCCVariant Redwood CoveP-Core 16M-Core	Codename Cascade Lake-SP - Cascade Lake-SP-LCCVariant - -
Market Segment Workstation	Market Segment Workstation
Release Date Feb 2, 2026	Release Date Jun 3, 2019

Fabrication

Foundry Intel	Foundry Intel
Other Foundries IntelIO	Other Foundries -
Fabrication Node Intel 3 Intel 7IO	Fabrication Node 14nm++ -
Die Size - 482mm²IO	Die Size 324mm² -
Transistor Count -	Transistor Count 5.7 Billion
Transistor Density -	Transistor Density 18 MTr/mm²

Images

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