AMD EPYC 7663 vs Xeon E6540

VS

AMD EPYC 7663

Intel Xeon E6540

We compared two server CPUs: AMD EPYC 7663 with 56 cores 2GHz and Xeon E6540 with 6 cores 2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7663 's Advantages

Released 11 years late

Higher specification of memory (3200 vs 1333)

Newer PCIe version (4 vs 2)

Larger L3 cache size (256MB vs 18MB)

More modern manufacturing process (7nm vs 45nm)

Xeon E6540 's Advantages

Lower TDP (105W vs 240W)

Score

AMD EPYC 7663

VS

Xeon E6540

General Parameters

Mar 2021

Release Date

Mar 2010

AMD

Manufacturer

Intel

Server

Type

Server

Milan

Core Architecture

Nehalem-EX

AMD Socket SP3

Socket

Intel Socket 1567

N/A

Integrated Graphics

N/A

EPYC (Zen 3 (Milan))

Generation

Xeon(Beckton)

Package

33.2 billions

Transistor Count

2.3 billions

7 nm

Manufacturing Process

45 nm

240 W

Power Consumption

105 W

TSMC

Foundry

Intel

8x81 mm²

Die Size

684 mm²

12 nm

I/O Process Size

-

416 mm²

I/O Die Size

-

CPU Performance

2 GHz

Performance Core Base Frequency

2 GHz

3.5 GHz

Performance Core Turbo Frequency

2.266 GHz

56

Total Core Count

6

112

Total Thread Count

12

100 MHz

Bus Frequency

133 MHz

20.0

Multiplier

15.0

64 KB per core

L1 Cache

64 KB per core

512 KB per core

L2 Cache

256 KB per core

256 MB shared

L3 Cache

18 MB shared

No

Unlocked Multiplier

No

7

Cores per CCD

-

2

SMP

2

Memory Parameters

DDR4-3200

Memory Types

DDR3-1333

8

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

2

128

PCIe Lanes

-

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