Intel Xeon E5 2666 v3 vs AMD EPYC 7343

VS

Intel Xeon E5-2666 v3

AMD EPYC 7343

We compared two server CPUs: Intel Xeon E5 2666 v3 with 10 cores 2.9GHz and AMD EPYC 7343 with 16 cores 3.2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 2666 v3 's Advantages

Lower TDP (135W vs 190W)

AMD EPYC 7343 's Advantages

Released 6 years and 4 months late

Higher specification of memory (3200 vs 2133)

Newer PCIe version (4 vs 3)

Higher base frequency (3.2GHz vs 2.9GHz)

Larger L3 cache size (128MB vs 25MB)

More modern manufacturing process (7nm vs 22nm)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5 2666 v3 +3%

1046

AMD EPYC 7343

1014

Geekbench 6 Multi Core

Intel Xeon E5 2666 v3 +139%

6173

AMD EPYC 7343

2582

Intel Xeon E5 2666 v3

VS

AMD EPYC 7343

General Parameters

Nov 2014

Release Date

Mar 2021

Intel

Manufacturer

AMD

Server

Type

Server

Haswell-EP

Core Architecture

Milan

Intel Socket 2011-3

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

Xeon E5 (Haswell-EP)

Generation

EPYC (Zen 3 (Milan))

Package

2.6 billions

Transistor Count

16.6 billions

22 nm

Manufacturing Process

7 nm

135 W

Power Consumption

190 W

Intel

Foundry

TSMC

356 mm²

Die Size

4x81 mm²

-

I/O Process Size

12 nm

-

I/O Die Size

416 mm²

CPU Performance

2.9 GHz

Performance Core Base Frequency

3.2 GHz

3.5 GHz

Performance Core Turbo Frequency

3.9 GHz

10

Total Core Count

16

20

Total Thread Count

32

100 MHz

Bus Frequency

100 MHz

29.0

Multiplier

32.0

64 K per core

L1 Cache

64 KB per core

256 K per core

L2 Cache

512 KB per core

25 MB shared

L3 Cache

128 MB shared

No

Unlocked Multiplier

No

-

Cores per CCD

4

2

SMP

2

Memory Parameters

DDR4-2133,DDR3-2133

Memory Types

DDR4-3200

4

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

4

40

PCIe Lanes

128

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