Xeon E7 2820 vs Intel Xeon E5 1660

VS

Intel Xeon E7-2820

Intel Xeon E5-1660

We compared two server CPUs: Xeon E7 2820 with 8 cores 2GHz and Intel Xeon E5 1660 with 6 cores 3.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Xeon E7 2820 's Advantages

Higher specification of memory (1333 vs 3)

Larger L3 cache size (18MB vs 15MB)

Lower TDP (105W vs 130W)

Intel Xeon E5 1660 's Advantages

Released 11 months late

Higher base frequency (3.3GHz vs 2GHz)

Score

Xeon E7 2820

VS

Intel Xeon E5 1660

General Parameters

Apr 2011

Release Date

Mar 2012

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EX

Core Architecture

Sandy Bridge-E

Intel Socket 1567

Socket

Intel Socket 2011

N/A

Integrated Graphics

N/A

Xeon E7(Westmere-EX)

Generation

Xeon E5 (Sandy Bridge-E)

Package

2.6 billions

Transistor Count

2.27 billions

32 nm

Manufacturing Process

32 nm

105 W

Power Consumption

130 W

Intel

Foundry

Intel

513 mm²

Die Size

435 mm²

CPU Performance

2 GHz

Performance Core Base Frequency

3.3 GHz

2.266 GHz

Performance Core Turbo Frequency

3.9 GHz

8

Total Core Count

6

16

Total Thread Count

12

133 MHz

Bus Frequency

100 MHz

15.0

Multiplier

33.0

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

15 MB shared

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR3-1333

Memory Types

DDR3

4

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

-

PCIe Version

3

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