Intel Xeon E5 2678 v3 vs AMD EPYC 7663

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Intel Xeon E5-2678 v3

AMD EPYC 7663

We compared two server CPUs: Intel Xeon E5 2678 v3 with 12 cores 2.5GHz and AMD EPYC 7663 with 56 cores 2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 2678 v3 's Advantages

Higher base frequency (2.5GHz vs 2GHz)

Lower TDP (120W vs 240W)

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)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5 2678 v3 +21%

945

AMD EPYC 7663

777

Geekbench 6 Multi Core

Intel Xeon E5 2678 v3 +17%

7467

AMD EPYC 7663

6330

Intel Xeon E5 2678 v3

VS

AMD EPYC 7663

General Parameters

Jan 2015

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

33.2 billions

22 nm

Manufacturing Process

7 nm

120 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

2.5 GHz

Performance Core Base Frequency

2 GHz

3.3 GHz

Performance Core Turbo Frequency

3.5 GHz

12

Total Core Count

56

24

Total Thread Count

112

100 MHz

Bus Frequency

100 MHz

25.0

Multiplier

20.0

64 K per core

L1 Cache

64 KB per core

256 K per core

L2 Cache

512 KB per core

30 MB shared

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

-

Cores per CCD

7

2

SMP

2

Memory Parameters

DDR3,DDR4-2133

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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