AMD EPYC 7451 vs Xeon E7 2803

VS

AMD EPYC 7451

Intel Xeon E7-2803

We compared two server CPUs: AMD EPYC 7451 with 24 cores 2.3GHz and Xeon E7 2803 with 6 cores 1.733GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7451 's Advantages

Released 6 years and 2 months late

Higher specification of memory (2666 vs 1333)

Higher base frequency (2.3GHz vs 1.733GHz)

Larger L3 cache size (64MB vs 18MB)

More modern manufacturing process (14nm vs 32nm)

Xeon E7 2803 's Advantages

Lower TDP (105W vs 180W)

Score

AMD EPYC 7451

VS

Xeon E7 2803

General Parameters

Jun 2017

Release Date

Apr 2011

AMD

Manufacturer

Intel

Server

Type

Server

Naples

Core Architecture

Westmere-EX

AMD Socket SP3

Socket

Intel Socket 1567

N/A

Integrated Graphics

N/A

EPYC (Zen (Naples))

Generation

Xeon E7(Westmere-EX)

Package

4.8 billions

Transistor Count

2.6 billions

14 nm

Manufacturing Process

32 nm

180 W

Power Consumption

105 W

81 °C

Peak Operating Temperature

-

GlobalFoundries

Foundry

Intel

213 mm²

Die Size

513 mm²

CPU Performance

2.3 GHz

Performance Core Base Frequency

1.733 GHz

3.2 GHz

Performance Core Turbo Frequency

0

24

Total Core Count

6

48

Total Thread Count

12

100 MHz

Bus Frequency

133 MHz

23.0

Multiplier

13.0

96 K per core

L1 Cache

64 KB per core

512 K per core

L2 Cache

256 KB per core

64 MB shared

L3 Cache

18 MB shared

Yes

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR4-2666

Memory Types

DDR3-1333

8

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

-

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