Xeon E7520 vs Intel Xeon E5 2658

VS

Intel Xeon E7520

Intel Xeon E5-2658

We compared two server CPUs: Xeon E7520 with 4 cores 1.866GHz and Intel Xeon E5 2658 with 8 cores 2.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Xeon E7520 's Advantages

Higher specification of memory (1333 vs 3)

Intel Xeon E5 2658 's Advantages

Released 2 years late

Newer PCIe version (3 vs 2)

Higher base frequency (2.1GHz vs 1.866GHz)

Larger L3 cache size (20MB vs 18MB)

More modern manufacturing process (32nm vs 45nm)

Score

Xeon E7520

VS

Intel Xeon E5 2658

General Parameters

Mar 2010

Release Date

Mar 2012

Intel

Manufacturer

Intel

Server

Type

Server

Nehalem-EX

Core Architecture

Sandy Bridge-EP

Intel Socket 1567

Socket

Intel Socket 2011

N/A

Integrated Graphics

N/A

Xeon(Beckton)

Generation

Xeon E5 (Sandy Bridge-EP)

Package

2.3 billions

Transistor Count

2.27 billions

45 nm

Manufacturing Process

32 nm

95 W

Power Consumption

95 W

Intel

Foundry

Intel

684 mm²

Die Size

435 mm²

CPU Performance

1.866 GHz

Performance Core Base Frequency

2.1 GHz

0

Performance Core Turbo Frequency

2.4 GHz

4

Total Core Count

8

Total Thread Count

16

133 MHz

Bus Frequency

100 MHz

14.0

Multiplier

21.0

64 KB per core

L1 Cache

64 K per core

256 KB per core

L2 Cache

256 K per core

18 MB shared

L3 Cache

20 MB shared

No

Unlocked Multiplier

No

8

SMP

2

Memory Parameters

DDR3-1333

Memory Types

DDR3

4

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

3

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