AMD EPYC 9755 vs Xeon 6766E

VS

AMD EPYC 9755

Intel Xeon 6766E

We compared two server CPUs: AMD EPYC 9755 with 128 cores 2.7GHz and Xeon 6766E with 144 cores 1.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 9755 's Advantages

Higher base frequency (2.7GHz vs 1.9GHz)

Larger L3 cache size (512MB vs 108MB)

More modern manufacturing process (4nm vs 5nm)

Xeon 6766E 's Advantages

Higher specification of memory (6400 vs 6000)

Lower TDP (250W vs 500W)

Score

AMD EPYC 9755

VS

Xeon 6766E

General Parameters

Oct 2024

Release Date

Jun 2024

AMD

Manufacturer

Intel

Server

Type

Server

Turin

Core Architecture

Sierra Forest

AMD Socket SP5

Socket

Intel Socket 4710

N/A

Integrated Graphics

N/A

EPYC(Zen 5 (Turin))

Generation

Xeon 6(Sierra Forest-SP)

Package

133.04 billions

Transistor Count

-

4 nm

Manufacturing Process

5 nm

500 W

Power Consumption

250 W

-

Peak Operating Temperature

101°C

TSMC

Foundry

Intel

16x70.6 mm²

Die Size

-

6 nm

I/O Process Size

10 nm

mm²

I/O Die Size

-

CPU Performance

128

Performance Cores

-

256

Performance Core Threads

-

2.7 GHz

Performance Core Base Frequency

1.9 GHz

4.1 GHz

Performance Core Turbo Frequency

2.7 GHz

128

Total Core Count

144

256

Total Thread Count

144

100 MHz

Bus Frequency

100 MHz

27.0

Multiplier

19.0

80 KB per core

L1 Cache

96 KB per core

1 MB per core

L2 Cache

4 MB per module

512 MB shared

L3 Cache

108 MB shared

No

Unlocked Multiplier

No

2

SMP

2

-

AVX-512 FMA Ports

2

Memory Parameters

DDR5-6000

Memory Types

DDR5-6400

6 TB

Max Memory Size

1 TB

12

Max Memory Channels

8

576 GB/s

Max Memory Bandwidth

-

Yes

ECC Memory Support

Yes

Miscellaneous

AMD EPYC 9755

Official Website

-

5

PCIe Version

5

128

PCIe Lanes

88

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