AMD EPYC 7281 vs Xeon 6766E

VS

AMD EPYC 7281

Intel Xeon 6766E

We compared two server CPUs: AMD EPYC 7281 with 16 cores 2.1GHz 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 7281 's Advantages

Higher base frequency (2.1GHz vs 1.9GHz)

Lower TDP (170W vs 250W)

Xeon 6766E 's Advantages

Released 7 years late

Higher specification of memory (6400 vs 2666)

Newer PCIe version (5 vs 3)

Larger L3 cache size (108MB vs 32MB)

More modern manufacturing process (5nm vs 14nm)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 7281

560

Xeon 6766E +85%

1037

Geekbench 6 Multi Core

AMD EPYC 7281

456

Xeon 6766E +2335%

11106

AMD EPYC 7281

VS

Xeon 6766E

General Parameters

Jun 2017

Release Date

Jun 2024

AMD

Manufacturer

Intel

Server

Type

Server

Naples

Core Architecture

Sierra Forest

AMD Socket SP3

Socket

Intel Socket 4710

N/A

Integrated Graphics

N/A

EPYC (Zen (Naples))

Generation

Xeon 6(Sierra Forest-SP)

Package

4.8 billions

Transistor Count

-

14 nm

Manufacturing Process

5 nm

170 W

Power Consumption

250 W

85 °C

Peak Operating Temperature

101°C

GlobalFoundries

Foundry

Intel

213 mm²

Die Size

-

I/O Process Size

10 nm

CPU Performance

2.1 GHz

Performance Core Base Frequency

1.9 GHz

2.7 GHz

Performance Core Turbo Frequency

2.7 GHz

16

Total Core Count

144

32

Total Thread Count

144

100 MHz

Bus Frequency

100 MHz

21.0

Multiplier

19.0

96 K per core

L1 Cache

96 KB per core

512 K per core

L2 Cache

4 MB per module

32 MB shared

L3 Cache

108 MB shared

Yes

Unlocked Multiplier

No

2

SMP

2

-

AVX-512 FMA Ports

2

Memory Parameters

DDR4-2666

Memory Types

DDR5-6400

-

Max Memory Size

1 TB

8

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

5

-

PCIe Lanes

88

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