Intel Xeon L5638 vs AMD EPYC 7251

VS

Intel Xeon L5638

AMD EPYC 7251

We compared two server CPUs: Intel Xeon L5638 with 6 cores 2GHz 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 L5638 's Advantages

Lower TDP (60W vs 120W)

AMD EPYC 7251 's Advantages

Released 7 years and 3 months late

Higher specification of memory (2400 vs 3)

Newer PCIe version (3 vs 2)

Higher base frequency (2.1GHz vs 2GHz)

Larger L3 cache size (32MB vs 12MB)

More modern manufacturing process (14nm vs 32nm)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon L5638

385

AMD EPYC 7251 +102%

781

Geekbench 6 Multi Core

Intel Xeon L5638

2487

AMD EPYC 7251 +46%

3651

Intel Xeon L5638

VS

AMD EPYC 7251

General Parameters

Mar 2010

Release Date

Jun 2017

Intel

Manufacturer

AMD

Server

Type

Server

Westmere-EP

Core Architecture

Naples

Intel Socket 1366

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

Xeon (Westmere-EP)

Generation

EPYC (Zen (Naples))

Package

1.17 billions

Transistor Count

4.8 billions

32 nm

Manufacturing Process

14 nm

60 W

Power Consumption

120 W

-

Peak Operating Temperature

81 °C

Intel

Foundry

GlobalFoundries

239 mm²

Die Size

213 mm²

CPU Performance

2 GHz

Performance Core Base Frequency

2.1 GHz

2.4 GHz

Performance Core Turbo Frequency

2.9 GHz

6

Total Core Count

8

12

Total Thread Count

16

133 MHz

Bus Frequency

100 MHz

15.0

Multiplier

21.0

64 K per core

L1 Cache

96 K per core

256 K per core

L2 Cache

512 K per core

12 MB shared

L3 Cache

32 MB shared

No

Unlocked Multiplier

Yes

2

SMP

2

Memory Parameters

DDR3

Memory Types

DDR4-2400

3

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

3

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