Intel Xeon E5503 vs AMD EPYC 9645

VS

Intel Xeon E5503

AMD EPYC 9645

We compared two server CPUs: Intel Xeon E5503 with 2 cores 2GHz and AMD EPYC 9645 with 96 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5503 's Advantages

Lower TDP (80W vs 320W)

AMD EPYC 9645 's Advantages

Released 14 years and 7 months late

Higher specification of memory (6000 vs 3)

Newer PCIe version (5 vs 2)

Higher base frequency (2.3GHz vs 2GHz)

Larger L3 cache size (256MB vs 4MB)

More modern manufacturing process (3nm vs 45nm)

Score

Intel Xeon E5503

VS

AMD EPYC 9645

General Parameters

Mar 2010

Release Date

Oct 2024

Intel

Manufacturer

AMD

Server

Type

Server

Gainestown

Core Architecture

Turin

Intel Socket 1366

Socket

AMD Socket SP5

N/A

Integrated Graphics

N/A

Xeon (Gainestown)

Generation

EPYC(Zen 5c (Turin))

Package

0.731 billions

Transistor Count

45 nm

Manufacturing Process

3 nm

80 W

Power Consumption

320 W

Intel

Foundry

TSMC

263 mm²

Die Size

mm²

-

I/O Process Size

6 nm

-

I/O Die Size

mm²

CPU Performance

-

Performance Cores

96

-

Performance Core Threads

192

2 GHz

Performance Core Base Frequency

2.3 GHz

0

Performance Core Turbo Frequency

3.7 GHz

2

Total Core Count

96

2

Total Thread Count

192

133 MHz

Bus Frequency

100 MHz

15.0

Multiplier

23.0

64 K per core

L1 Cache

80 KB per core

256 K per core

L2 Cache

1 MB per core

4 MB shared

L3 Cache

256 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 9645

2

PCIe Version

5

-

PCIe Lanes

128

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