Intel Xeon E5 4640 v3 vs AMD EPYC 7281

VS

Intel Xeon E5-4640 v3

AMD EPYC 7281

We compared two server CPUs: Intel Xeon E5 4640 v3 with 12 cores 1.9GHz and AMD EPYC 7281 with 16 cores 2.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 4640 v3 's Advantages

Lower TDP (105W vs 170W)

AMD EPYC 7281 's Advantages

Released 2 years late

Higher specification of memory (2666 vs 1866)

Higher base frequency (2.1GHz vs 1.9GHz)

Larger L3 cache size (32MB vs 30MB)

More modern manufacturing process (14nm vs 22nm)

Score

Intel Xeon E5 4640 v3

VS

AMD EPYC 7281

General Parameters

Jun 2015

Release Date

Jun 2017

Intel

Manufacturer

AMD

Server

Type

Server

Haswell-EP

Core Architecture

Naples

Intel Socket 2011-3

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

Xeon E5 (Haswell-EP)

Generation

EPYC (Zen (Naples))

Package

2.6 billions

Transistor Count

4.8 billions

22 nm

Manufacturing Process

14 nm

105 W

Power Consumption

170 W

78 °C

Peak Operating Temperature

85 °C

Intel

Foundry

GlobalFoundries

356 mm²

Die Size

213 mm²

CPU Performance

1.9 GHz

Performance Core Base Frequency

2.1 GHz

2.6 GHz

Performance Core Turbo Frequency

2.7 GHz

12

Total Core Count

16

24

Total Thread Count

32

100 MHz

Bus Frequency

100 MHz

19.0

Multiplier

21.0

64 K per core

L1 Cache

96 K per core

256 K per core

L2 Cache

512 K per core

30 MB shared

L3 Cache

32 MB shared

No

Unlocked Multiplier

Yes

4

SMP

2

Memory Parameters

DDR4-1866

Memory Types

DDR4-2666

4

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

40

PCIe Lanes

-

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