Xeon E7520 vs Xeon E7 8850

VS

Intel Xeon E7520

Intel Xeon E7-8850

We compared two server CPUs: Xeon E7520 with 4 cores 1.866GHz and Xeon E7 8850 with 10 cores 2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Xeon E7520 's Advantages

Lower TDP (95W vs 130W)

Xeon E7 8850 's Advantages

Released 1 years and 1 months late

Higher base frequency (2GHz vs 1.866GHz)

Larger L3 cache size (24MB vs 18MB)

More modern manufacturing process (32nm vs 45nm)

Score

Xeon E7520

VS

Xeon E7 8850

General Parameters

Mar 2010

Release Date

Apr 2011

Intel

Manufacturer

Intel

Server

Type

Server

Nehalem-EX

Core Architecture

Westmere-EX

Intel Socket 1567

Socket

Intel Socket 1567

N/A

Integrated Graphics

N/A

Xeon(Beckton)

Generation

Xeon E7(Westmere-EX)

Package

2.3 billions

Transistor Count

2.6 billions

45 nm

Manufacturing Process

32 nm

95 W

Power Consumption

130 W

Intel

Foundry

Intel

684 mm²

Die Size

513 mm²

CPU Performance

1.866 GHz

Performance Core Base Frequency

2 GHz

0

Performance Core Turbo Frequency

2.4 GHz

4

Total Core Count

10

8

Total Thread Count

20

133 MHz

Bus Frequency

133 MHz

14.0

Multiplier

15.0

64 KB per core

L1 Cache

64 KB per core

256 KB per core

L2 Cache

256 KB per core

18 MB shared

L3 Cache

24 MB shared

No

Unlocked Multiplier

No

8

SMP

8

Memory Parameters

DDR3-1333

Memory Types

DDR3-1333

4

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

-

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