Intel Xeon E5 2660 vs Xeon E7 2820

VS

Intel Xeon E5-2660

Intel Xeon E7-2820

We compared two server CPUs: Intel Xeon E5 2660 with 8 cores 2.2GHz and Xeon E7 2820 with 8 cores 2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 2660 's Advantages

Released 11 months late

Higher base frequency (2.2GHz vs 2GHz)

Larger L3 cache size (20MB vs 18MB)

Lower TDP (95W vs 105W)

Xeon E7 2820 's Advantages

Higher specification of memory (1333 vs 3)

Score

Intel Xeon E5 2660

VS

Xeon E7 2820

General Parameters

Mar 2012

Release Date

Apr 2011

Intel

Manufacturer

Intel

Server

Type

Server

Sandy Bridge-EP

Core Architecture

Westmere-EX

Intel Socket 2011

Socket

Intel Socket 1567

N/A

Integrated Graphics

N/A

Xeon E5 (Sandy Bridge-EP)

Generation

Xeon E7(Westmere-EX)

Package

2.27 billions

Transistor Count

2.6 billions

32 nm

Manufacturing Process

32 nm

95 W

Power Consumption

105 W

Intel

Foundry

Intel

435 mm²

Die Size

513 mm²

CPU Performance

2.2 GHz

Performance Core Base Frequency

2 GHz

3 GHz

Performance Core Turbo Frequency

2.266 GHz

8

Total Core Count

8

16

Total Thread Count

16

100 MHz

Bus Frequency

133 MHz

22.0

Multiplier

15.0

64 K per core

L1 Cache

64 KB per core

256 K per core

L2 Cache

256 KB per core

20 MB shared

L3 Cache

18 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR3

Memory Types

DDR3-1333

4

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

-

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