CPUs

Intel Xeon 656 vs Intel Xeon 654 Full Specs

20 Cores
40 Threads
2.9GHz
18 Cores
36 Threads
3.1GHz
TDP
210W
TDP
200W
Bandwidth
409.6GB/s
DDR5
Bandwidth
409.6GB/s
DDR5
iGPU
0
iGPU
0
Socket
Socket

Xeon 656Xeon 656409.6GB/s
x1
Xeon 654Xeon 654409.6GB/s
x1

20 Cores
18 Cores
40 Threads
36 Threads

Base Clock
2.9GHz
Base Clock
3.1GHz
Boost Clock
4.8GHz
Boost Clock
4.8GHz
Overclocking
Locked
Overclocking
Locked

L1i
64KB
L1i
64KB
L1d
48KB
L1d
48KB
L2
2MB
L2
2MB
L3
72MB
L3
72MB

Type
DDR5
Type
DDR5
Max Memory
4.1TB
Max Memory
4.1TB
ECC
Yes
ECC
Yes
Channels
8
Channels
8
Bus Width
512-bit
Bus Width
512-bit
Speed
6400MT/s
Speed
6400MT/s
Bandwidth
409.6GB/s
Bandwidth
409.6GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
409.6GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
409.6GB/s

TDP
210W
TDP
200W
Peak Power
252W
Peak Power
240W
Max Operating Temp
98°C Max
Max Operating Temp
96°C Max
T-Case
74°C Max
T-Case
72°C Max

PCIe
PCIe 5.0 x128
504.1GB/sBandwidth
PCIe
PCIe 5.0 x128
504.1GB/sBandwidth

Manufacturer
Manufacturer
ISA
x86-64
ISA
x86-64
Architecture
Architecture
Family
Family
Branding
Xeon 2024 branding
Branding
Xeon 2024 branding
Codename
Granite Rapids-D
27Die
Granite Rapids-HCCVariant
Redwood CoveP-Core
20M-Core
Codename
Granite Rapids-D
27Die
Granite Rapids-HCCVariant
Redwood CoveP-Core
18M-Core
Market Segment
Workstation
Market Segment
Workstation
Release Date
Feb 2, 2026
Release Date
Feb 2, 2026

Foundry
Intel
Foundry
Intel
Other Foundries
IntelIO
Other Foundries
IntelIO
Fabrication Node
Intel 3
Intel 7IO
Fabrication Node
Intel 3
Intel 7IO
Die Size
598mm²
482mm²IO
Die Size
598mm²
482mm²IO

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