Intel Xeon E5 2666 v3 vs AMD EPYC 7373X

VS

Intel Xeon E5-2666 v3

AMD EPYC 7373X

We compared two server CPUs: Intel Xeon E5 2666 v3 with 10 cores 2.9GHz and AMD EPYC 7373X with 16 cores 3.05GHz . 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 240W)

AMD EPYC 7373X 's Advantages

Released 7 years and 4 months late

Higher specification of memory (3200 vs 2133)

Newer PCIe version (4 vs 3)

Higher base frequency (3.05GHz vs 2.9GHz)

Larger L3 cache size (768MB vs 25MB)

More modern manufacturing process (7nm vs 22nm)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5 2666 v3

1046

AMD EPYC 7373X +84%

1930

Geekbench 6 Multi Core

Intel Xeon E5 2666 v3

6173

AMD EPYC 7373X +155%

15766

Intel Xeon E5 2666 v3

VS

AMD EPYC 7373X

General Parameters

Nov 2014

Release Date

Mar 2022

Intel

Manufacturer

AMD

Server

Type

Server

Haswell-EP

Core Architecture

Milan-X

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

33.2 billions

22 nm

Manufacturing Process

7 nm

135 W

Power Consumption

240 W

Intel

Foundry

TSMC

356 mm²

Die Size

8x81 mm²

-

I/O Process Size

12 nm

-

I/O Die Size

416 mm²

CPU Performance

2.9 GHz

Performance Core Base Frequency

3.05 GHz

3.5 GHz

Performance Core Turbo Frequency

3.8 GHz

10

Total Core Count

16

20

Total Thread Count

32

100 MHz

Bus Frequency

100 MHz

29.0

Multiplier

30.5

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

512 K per core

25 MB shared

L3 Cache

768 MB shared

No

Unlocked Multiplier

No

-

Cores per CCD

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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