Xeon E7520 vs Intel Xeon E3 1585L v5

VS

Intel Xeon E7520

Intel Xeon E3-1585L v5

We compared two server CPUs: Xeon E7520 with 4 cores 1.866GHz and Intel Xeon E3 1585L v5 with 4 cores 3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Xeon E7520 's Advantages

Larger L3 cache size (18MB vs 8MB)

Intel Xeon E3 1585L v5 's Advantages

Released 6 years and 2 months late

Higher specification of memory (2133 vs 1333)

Newer PCIe version (3 vs 2)

Higher base frequency (3GHz vs 1.866GHz)

More modern manufacturing process (14nm vs 45nm)

Lower TDP (45W vs 95W)

Score

Xeon E7520

VS

Intel Xeon E3 1585L v5

General Parameters

Mar 2010

Release Date

May 2016

Intel

Manufacturer

Intel

Server

Type

Server

Nehalem-EX

Core Architecture

Skylake-H

Intel Socket 1567

Socket

Intel BGA 1440

N/A

Integrated Graphics

Iris Pro Graphics P580

Xeon(Beckton)

Generation

Xeon E3 (Skylake-H)

Package

2.3 billions

Transistor Count

2.3 billions

45 nm

Manufacturing Process

14 nm

95 W

Power Consumption

45 W

Intel

Foundry

Intel

684 mm²

Die Size

171 mm²

CPU Performance

1.866 GHz

Performance Core Base Frequency

3 GHz

0

Performance Core Turbo Frequency

3.7 GHz

4

Total Core Count

4

8

Total Thread Count

8

133 MHz

Bus Frequency

100 MHz

14.0

Multiplier

30.0

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

8 MB shared

No

Unlocked Multiplier

No

8

SMP

1

Memory Parameters

DDR3-1333

Memory Types

DDR3,DDR4-2133

4

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

3

-

PCIe Lanes

16

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