CPUs

AMD EPYC 9755 vs Intel Xeon 6781P Full Specs

128 Cores
256 Threads
2.7GHz
80 Cores
160 Threads
2GHz
TDP
500W
TDP
350W
Bandwidth
576GB/s
DDR5
Bandwidth
512GB/s
·
Socket
Socket

EPYC 9755EPYC 9755576GB/s
x1.13
Xeon 6781PXeon 6781P512GB/s
x1

128 Cores
80 Cores
256 Threads
160 Threads

Base Clock
2.7GHz
Base Clock
2GHz
Boost Clock
4.1GHz
Boost Clock
3.8GHz
Overclocking
Locked
Overclocking
Locked

L1i
32KB
L1i
64KB
L1d
48KB
L1d
48KB
L2
1MB
L2
2MB
L3
512MB
L3
336MB

Type
DDR5
Type
·
Max Memory
6.14TB
Max Memory
4.1TB
ECC
Yes
ECC
Yes
Channels
12
Channels
8
Bus Width
768-bit
Bus Width
512-bit
Speed
6000MT/s
Speed
8000MT/s
Bandwidth
576GB/s
Bandwidth
512GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
576GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
512GB/s

TDP
500W
TDP
350W
cTDP-down
450W
cTDP-down
-
cTDP-up
500W
cTDP-up
-
Max Operating Temp
-
Max Operating Temp
97°C Max
T-Case
-
T-Case
81°C Max
Included Cooler
0
Included Cooler
-

Bus Type
PCIe
Bus Type
-
Bus Config
8 lanes
Bus Config
-
Bus Speed
32GT/s
Bus Speed
-
Bus Bandwidth
32GB/s
Bus Bandwidth
-

PCIe
PCIe 5.0 x128
504.1GB/sBandwidth
PCIe
PCIe 5.0 x136
535.6GB/sBandwidth

Manufacturer
Manufacturer
ISA
x86-64
ISA
x86-64
Architecture
Architecture
Family
Family
Branding
EPYC 2017 branding
Branding
Xeon 2024 branding
Codename
Turin
EldoraDie
Turin 16CCDVariant
-
-
Codename
Granite Rapids-D
85Die
Granite Rapids-XCCVariant
Redwood CoveP-Core
80M-Core
Market Segment
Server
Market Segment
Server
Release Date
Oct 10, 2024
Release Date
Feb 24, 2025

Foundry
TSMC
Foundry
Intel
Other Foundries
TSMCIO
Other Foundries
IntelIO
Fabrication Node
N4X
N6IO
Fabrication Node
Intel 3
Intel 7IO
Die Size
1128mm²
388mm²IO
Die Size
1196mm²
482mm²IO
Transistor Count
133 Billion
11 BillionIO
Transistor Count
-
Transistor Density
118 MTr/mm²
28 MTr/mm²IO
Transistor Density
-

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