CPUs

Intel Xeon 6736P vs Intel Xeon 6556P-B Full Specs

36 Cores
72 Threads
2GHz
36 Cores
72 Threads
2.3GHz
TDP
205W
TDP
215W
Bandwidth
409.6GB/s
DDR5
Bandwidth
204.8GB/s
DDR5
iGPU
0
iGPU
0
Socket
Socket

Xeon 6736PXeon 6736P409.6GB/s
x2.00
Xeon 6556P-BXeon 6556P-B204.8GB/s
x1

36 Cores
36 Cores
72 Threads
72 Threads

Base Clock
2GHz
Base Clock
2.3GHz
Boost Clock
4.1GHz
Boost Clock
3.5GHz
Overclocking
Locked
Overclocking
Locked

L1i
64KB
L1i
64KB
L1d
48KB
L1d
48KB
L2
2MB
L2
2MB
L3
144MB
L3
144MB

Type
DDR5
Type
DDR5
Max Memory
4.1TB
Max Memory
1.13TB
ECC
Yes
ECC
Yes
Channels
8
Channels
4
Bus Width
512-bit
Bus Width
256-bit
Speed
6400MT/s
Speed
6400MT/s
Bandwidth
409.6GB/s
Bandwidth
204.8GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
409.6GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
204.8GB/s

TDP
205W
TDP
215W
Max Operating Temp
98°C Max
Max Operating Temp
-
T-Case
87°C Max
T-Case
85°C Max

Bus Type
UPI
Bus Type
-
Bus Config
24-bit
Bus Config
-
Bus Speed
24GT/s
Bus Speed
-
Bus Bandwidth
72GB/s
Bus Bandwidth
-

PCIe
PCIe 5.0 x88
346.5GB/sBandwidth
PCIe
PCIe 5.0 x32
126GB/sBandwidth
-
PCIe Secondary
PCIe 4.0 x16
31.5GB/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
36M-Core
Codename
Granite Rapids-D
27Die
Granite Rapids-HCCVariant
Redwood CoveP-Core
36M-Core
Market Segment
Server
Market Segment
Server
Release Date
Feb 24, 2025
Release Date
Feb 24, 2025

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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