Intel Xeon E5645 vs AMD EPYC 8534PN

VS

Intel Xeon E5645

AMD EPYC 8534PN

We compared two server CPUs: Intel Xeon E5645 with 6 cores 2.4GHz and AMD EPYC 8534PN with 64 cores 2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5645 's Advantages

Higher base frequency (2.4GHz vs 2GHz)

Lower TDP (80W vs 175W)

AMD EPYC 8534PN 's Advantages

Released 13 years and 6 months late

Higher specification of memory (4800 vs 3)

Newer PCIe version (5 vs 2)

Larger L3 cache size (128MB vs 12MB)

More modern manufacturing process (5nm vs 32nm)

Score

Intel Xeon E5645

VS

AMD EPYC 8534PN

General Parameters

Mar 2010

Release Date

Sep 2023

Intel

Manufacturer

AMD

Server

Type

Server

Westmere-EP

Core Architecture

Siena

Intel Socket 1366

Socket

AMD Socket SP6

N/A

Integrated Graphics

N/A

Xeon (Westmere-EP)

Generation

EPYC (Zen 4c (Siena))

Package

1.17 billions

Transistor Count

35.5 billions

32 nm

Manufacturing Process

5 nm

80 W

Power Consumption

175 W

-

Peak Operating Temperature

85 °C

Intel

Foundry

TSMC

239 mm²

Die Size

4x73 mm²

-

I/O Process Size

6 nm

-

I/O Die Size

397 mm²

CPU Performance

2.4 GHz

Performance Core Base Frequency

2 GHz

2.666 GHz

Performance Core Turbo Frequency

3.1 GHz

6

Total Core Count

64

12

Total Thread Count

128

133 MHz

Bus Frequency

100 MHz

18.0

Multiplier

20.0

64 K per core

L1 Cache

64 K 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

1

Memory Parameters

DDR3

Memory Types

DDR5-4800

3

Max Memory Channels

6

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

5

-

PCIe Lanes

96

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