Intel Xeon E5645 vs AMD EPYC 7252

VS

Intel Xeon E5645

AMD EPYC 7252

We compared two server CPUs: Intel Xeon E5645 with 6 cores 2.4GHz and AMD EPYC 7252 with 8 cores 2.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5645 's Advantages

Lower TDP (80W vs 120W)

AMD EPYC 7252 's Advantages

Released 9 years and 5 months late

Higher specification of memory (3200 vs 3)

Newer PCIe version (4 vs 2)

Higher base frequency (2.8GHz vs 2.4GHz)

Larger L3 cache size (64MB vs 12MB)

More modern manufacturing process (7nm vs 32nm)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5645

425

AMD EPYC 7252 +186%

1219

Geekbench 6 Multi Core

Intel Xeon E5645

3117

AMD EPYC 7252 +90%

5929

Intel Xeon E5645

VS

AMD EPYC 7252

General Parameters

Mar 2010

Release Date

Aug 2019

Intel

Manufacturer

AMD

Server

Type

Server

Westmere-EP

Core Architecture

Rome

Intel Socket 1366

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

Xeon (Westmere-EP)

Generation

EPYC (Zen 2 (Rome))

Package

1.17 billions

Transistor Count

3.8 billions

32 nm

Manufacturing Process

7 nm

80 W

Power Consumption

120 W

Intel

Foundry

TSMC

239 mm²

Die Size

74 mm²

CPU Performance

2.4 GHz

Performance Core Base Frequency

2.8 GHz

2.666 GHz

Performance Core Turbo Frequency

3.2 GHz

6

Total Core Count

8

12

Total Thread Count

16

133 MHz

Bus Frequency

100 MHz

18.0

Multiplier

28.0

64 K per core

L1 Cache

96 K per core

256 K per core

L2 Cache

512 K per core

12 MB shared

L3 Cache

64 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR3

Memory Types

DDR4-3200

3

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

4

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