AMD EPYC 7663 vs Intel Xeon E5 2678 v3

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AMD EPYC 7663

Intel Xeon E5-2678 v3

We compared two server CPUs: AMD EPYC 7663 with 56 cores 2GHz and Intel Xeon E5 2678 v3 with 12 cores 2.5GHz . 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 6 years and 2 months late

Higher specification of memory (3200 vs 2133)

Newer PCIe version (4 vs 3)

Larger L3 cache size (256MB vs 30MB)

More modern manufacturing process (7nm vs 22nm)

Intel Xeon E5 2678 v3 's Advantages

Higher base frequency (2.5GHz vs 2GHz)

Lower TDP (120W vs 240W)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 7663

777

Intel Xeon E5 2678 v3 +21%

945

Geekbench 6 Multi Core

AMD EPYC 7663

6330

Intel Xeon E5 2678 v3 +17%

7467

AMD EPYC 7663

VS

Intel Xeon E5 2678 v3

General Parameters

Mar 2021

Release Date

Jan 2015

AMD

Manufacturer

Intel

Server

Type

Server

Milan

Core Architecture

Haswell-EP

AMD Socket SP3

Socket

Intel Socket 2011-3

N/A

Integrated Graphics

N/A

EPYC (Zen 3 (Milan))

Generation

Xeon E5 (Haswell-EP)

Package

33.2 billions

Transistor Count

2.6 billions

7 nm

Manufacturing Process

22 nm

240 W

Power Consumption

120 W

TSMC

Foundry

Intel

8x81 mm²

Die Size

356 mm²

12 nm

I/O Process Size

-

416 mm²

I/O Die Size

-

CPU Performance

2 GHz

Performance Core Base Frequency

2.5 GHz

3.5 GHz

Performance Core Turbo Frequency

3.3 GHz

56

Total Core Count

12

112

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

20.0

Multiplier

25.0

64 KB per core

L1 Cache

64 K per core

512 KB per core

L2 Cache

256 K per core

256 MB shared

L3 Cache

30 MB shared

No

Unlocked Multiplier

No

7

Cores per CCD

-

2

SMP

2

Memory Parameters

DDR4-3200

Memory Types

DDR3,DDR4-2133

8

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

3

128

PCIe Lanes

40

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