Intel Xeon E5 1691 v3 vs AMD EPYC 7251

VS

Intel Xeon E5-1691 v3

AMD EPYC 7251

We compared two server CPUs: Intel Xeon E5 1691 v3 with 14 cores 2.5GHz and AMD EPYC 7251 with 8 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 1691 v3 's Advantages

Higher base frequency (2.5GHz vs 2.1GHz)

Larger L3 cache size (35MB vs 32MB)

AMD EPYC 7251 's Advantages

Released 2 years and 9 months late

Higher specification of memory (2400 vs 2133)

More modern manufacturing process (14nm vs 22nm)

Lower TDP (120W vs 135W)

Score

Intel Xeon E5 1691 v3

VS

AMD EPYC 7251

General Parameters

Sep 2014

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

135 W

Power Consumption

120 W

-

Peak Operating Temperature

81 °C

Intel

Foundry

GlobalFoundries

356 mm²

Die Size

213 mm²

CPU Performance

2.5 GHz

Performance Core Base Frequency

2.1 GHz

3.4 GHz

Performance Core Turbo Frequency

2.9 GHz

14

Total Core Count

8

28

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

25.0

Multiplier

21.0

64 K per core

L1 Cache

96 K per core

256 K per core

L2 Cache

512 K per core

35 MB shared

L3 Cache

32 MB shared

No

Unlocked Multiplier

Yes

1

SMP

2

Memory Parameters

DDR4-2133

Memory Types

DDR4-2400

4

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

40

PCIe Lanes

-

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