AMD EPYC 7261 vs Xeon E7520

VS

AMD EPYC 7261

Intel Xeon E7520

We compared two server CPUs: AMD EPYC 7261 with 8 cores 2.5GHz and Xeon E7520 with 4 cores 1.866GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7261 's Advantages

Released 8 years and 3 months late

Higher specification of memory (2666 vs 1333)

Newer PCIe version (3 vs 2)

Higher base frequency (2.5GHz vs 1.866GHz)

Larger L3 cache size (32MB vs 18MB)

More modern manufacturing process (14nm vs 45nm)

Xeon E7520 's Advantages

Lower TDP (95W vs 170W)

Score

AMD EPYC 7261

VS

Xeon E7520

General Parameters

Jun 2018

Release Date

Mar 2010

AMD

Manufacturer

Intel

Server

Type

Server

Naples

Core Architecture

Nehalem-EX

AMD Socket SP3

Socket

Intel Socket 1567

N/A

Integrated Graphics

N/A

EPYC (Zen (Naples))

Generation

Xeon(Beckton)

Package

4.8 billions

Transistor Count

2.3 billions

14 nm

Manufacturing Process

45 nm

170 W

Power Consumption

95 W

81 °C

Peak Operating Temperature

-

GlobalFoundries

Foundry

Intel

213 mm²

Die Size

684 mm²

CPU Performance

2.5 GHz

Performance Core Base Frequency

1.866 GHz

2.9 GHz

Performance Core Turbo Frequency

0

8

Total Core Count

4

16

Total Thread Count

8

100 MHz

Bus Frequency

133 MHz

25.0

Multiplier

14.0

96 K per core

L1 Cache

64 KB per core

512 K per core

L2 Cache

256 KB per core

32 MB shared

L3 Cache

18 MB shared

Yes

Unlocked Multiplier

No

2

SMP

8

Memory Parameters

DDR4-2666

Memory Types

DDR3-1333

8

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

2

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