Intel Xeon E5649 vs AMD EPYC 9555P

VS

Intel Xeon E5649

AMD EPYC 9555P

We compared two server CPUs: Intel Xeon E5649 with 6 cores 2.533GHz and AMD EPYC 9555P with 64 cores 3.2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5649 's Advantages

Lower TDP (80W vs 360W)

AMD EPYC 9555P 's Advantages

Released 13 years and 8 months late

Higher specification of memory (6000 vs 3)

Newer PCIe version (5 vs 2)

Higher base frequency (3.2GHz vs 2.533GHz)

Larger L3 cache size (256MB vs 12MB)

More modern manufacturing process (4nm vs 32nm)

Score

Intel Xeon E5649

VS

AMD EPYC 9555P

General Parameters

Feb 2011

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

66.52 billions

32 nm

Manufacturing Process

4 nm

80 W

Power Consumption

360 W

Intel

Foundry

TSMC

239 mm²

Die Size

8x70.6 mm²

-

I/O Process Size

6 nm

-

I/O Die Size

mm²

CPU Performance

-

Performance Cores

64

-

Performance Core Threads

128

2.533 GHz

Performance Core Base Frequency

3.2 GHz

2.8 GHz

Performance Core Turbo Frequency

4.4 GHz

6

Total Core Count

64

12

Total Thread Count

128

133 MHz

Bus Frequency

100 MHz

19.0

Multiplier

32.0

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

256 MB shared

No

Unlocked Multiplier

No

2

SMP

1

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 9555P

2

PCIe Version

5

-

PCIe Lanes

128

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