Intel Xeon X5677 vs AMD EPYC 9255

VS

Intel Xeon X5677

AMD EPYC 9255

We compared two server CPUs: Intel Xeon X5677 with 4 cores 3.466GHz and AMD EPYC 9255 with 24 cores 3.25GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon X5677 's Advantages

Higher base frequency (3.466GHz vs 3.25GHz)

Lower TDP (130W vs 200W)

AMD EPYC 9255 's Advantages

Released 14 years and 7 months late

Higher specification of memory (6000 vs 3)

Newer PCIe version (5 vs 2)

Larger L3 cache size (128MB vs 12MB)

More modern manufacturing process (4nm vs 32nm)

Score

Intel Xeon X5677

VS

AMD EPYC 9255

General Parameters

Mar 2010

Release Date

Oct 2024

Intel

Manufacturer

AMD

Server

Type

Server

Westmere-EP

Core Architecture

Turin

Intel Socket 1366

Socket

AMD Socket SP5

N/A

Integrated Graphics

N/A

Xeon (Westmere-EP)

Generation

EPYC(Zen 5 (Turin))

Package

1.17 billions

Transistor Count

33.26 billions

32 nm

Manufacturing Process

4 nm

130 W

Power Consumption

200 W

Intel

Foundry

TSMC

239 mm²

Die Size

4x70.6 mm²

-

I/O Process Size

6 nm

-

I/O Die Size

mm²

CPU Performance

-

Performance Cores

24

-

Performance Core Threads

48

3.466 GHz

Performance Core Base Frequency

3.25 GHz

3.733 GHz

Performance Core Turbo Frequency

4.8 GHz

4

Total Core Count

24

8

Total Thread Count

48

133 MHz

Bus Frequency

100 MHz

26.0

Multiplier

32.5

64 K per core

L1 Cache

80 KB per core

256 K per core

L2 Cache

1 MB per core

12 MB shared

L3 Cache

128 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR3

Memory Types

DDR5-6000

-

Max Memory Size

6 TB

3

Max Memory Channels

12

-

Max Memory Bandwidth

576 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

-

Official Website

AMD EPYC 9255

2

PCIe Version

5

-

PCIe Lanes

128

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