CPUs

AMD EPYC 7532 vs Intel Xeon 6556P-B Full Specs

32 Cores
64 Threads
2.4GHz
36 Cores
72 Threads
2.3GHz
TDP
200W
TDP
215W
Bandwidth
204.8GB/s
DDR4
Bandwidth
204.8GB/s
DDR5
iGPU
0
iGPU
0
Socket
Socket

EPYC 7532EPYC 75321,190
x1
Xeon 6556P-BXeon 6556P-B-
-

32 Cores
36 Cores
64 Threads
72 Threads

Base Clock
2.4GHz
Base Clock
2.3GHz
Boost Clock
3.3GHz
Boost Clock
3.5GHz
Overclocking
Locked
Overclocking
Locked

L1i
32KB
L1i
64KB
L1d
32KB
L1d
48KB
L2
512KB
L2
2MB
L3
256MB
L3
144MB

Type
DDR4
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
3200MT/s
Speed
6400MT/s
Bandwidth
204.8GB/s
Bandwidth
204.8GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
204.8GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
204.8GB/s

TDP
200W
TDP
215W
T-Case
-
T-Case
85°C Max

Bus Type
PCIe
Bus Type
-
Bus Config
8 lanes
Bus Config
-
Bus Speed
16GT/s
Bus Speed
-
Bus Bandwidth
16GB/s
Bus Bandwidth
-

PCIe
PCIe 4.0 x128
252GB/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
EPYC 2017 branding
Branding
Xeon 2024 branding
Codename
Rome
Aspen HighlandsDie
Rome 8CCDVariant
-
-
Codename
Granite Rapids-D
27Die
Granite Rapids-HCCVariant
Redwood CoveP-Core
36M-Core
Market Segment
Server
Market Segment
Server
Release Date
Aug 7, 2019
Release Date
Feb 24, 2025

Foundry
TSMC
Foundry
Intel
Other Foundries
GlobalFoundriesIO
Other Foundries
IntelIO
Fabrication Node
N7
12LPIO
Fabrication Node
Intel 3
Intel 7IO
Die Size
592mm²
416mm²IO
Die Size
598mm²
482mm²IO
Transistor Count
30.4 Billion
8.3 BillionIO
Transistor Count
-
Transistor Density
51 MTr/mm²
20 MTr/mm²IO
Transistor Density
-

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