Intel Xeon E3 1225 vs AMD EPYC 7643

VS

Intel Xeon E3-1225

AMD EPYC 7643

We compared two server CPUs: Intel Xeon E3 1225 with 4 cores 3.1GHz and AMD EPYC 7643 with 48 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E3 1225 's Advantages

Higher base frequency (3.1GHz vs 2.3GHz)

Lower TDP (95W vs 225W)

AMD EPYC 7643 's Advantages

Released 9 years and 11 months late

Higher specification of memory (3200 vs 3)

Newer PCIe version (4 vs 3)

Larger L3 cache size (256MB vs 6MB)

More modern manufacturing process (7nm vs 32nm)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E3 1225

1262

AMD EPYC 7643 +34%

1696

Geekbench 6 Multi Core

Intel Xeon E3 1225

3621

AMD EPYC 7643 +174%

9939

Intel Xeon E3 1225

VS

AMD EPYC 7643

General Parameters

Apr 2011

Release Date

Mar 2021

Intel

Manufacturer

AMD

Server

Type

Server

Sandy Bridge

Core Architecture

Milan

Intel Socket 1155

Socket

AMD Socket SP3

Intel HD P3000

Integrated Graphics

N/A

Xeon E3 (Sandy Bridge)

Generation

EPYC (Zen 3 (Milan))

Package

1.16 billions

Transistor Count

33.2 billions

32 nm

Manufacturing Process

7 nm

95 W

Power Consumption

225 W

Intel

Foundry

TSMC

216 mm²

Die Size

8x81 mm²

-

I/O Process Size

12 nm

-

I/O Die Size

416 mm²

CPU Performance

3.1 GHz

Performance Core Base Frequency

2.3 GHz

3.4 GHz

Performance Core Turbo Frequency

3.6 GHz

4

Total Core Count

48

4

Total Thread Count

96

100 MHz

Bus Frequency

100 MHz

31.0

Multiplier

23.0

64 K per core

L1 Cache

64 KB per core

256 K per core

L2 Cache

512 KB per core

6 MB shared

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

-

Cores per CCD

6

1

SMP

2

Memory Parameters

DDR3

Memory Types

DDR4-3200

2

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

4

16

PCIe Lanes

128

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