Xeon E7 2820 vs Opteron 6344

VS

Intel Xeon E7-2820

AMD Opteron 6344

We compared two server CPUs: Xeon E7 2820 with 8 cores 2GHz and Opteron 6344 with 12 cores 2.6GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Xeon E7 2820 's Advantages

Larger L3 cache size (18MB vs 8MB)

Lower TDP (105W vs 115W)

Opteron 6344 's Advantages

Released 1 years and 7 months late

Higher specification of memory (1866 vs 1333)

Higher base frequency (2.6GHz vs 2GHz)

Score

Xeon E7 2820

VS

Opteron 6344

General Parameters

Apr 2011

Release Date

Nov 2012

Intel

Manufacturer

AMD

Server

Type

Server

Westmere-EX

Core Architecture

Abu Dhabi

Intel Socket 1567

Socket

AMD Socket G34

N/A

Integrated Graphics

N/A

Xeon E7(Westmere-EX)

Generation

Opteron (Abu Dhabi)

Package

2.6 billions

Transistor Count

2.4 billions

32 nm

Manufacturing Process

32 nm

105 W

Power Consumption

115 W

-

Peak Operating Temperature

70 °C

Intel

Foundry

GlobalFoundries

513 mm²

Die Size

2x315 mm²

CPU Performance

2 GHz

Performance Core Base Frequency

2.6 GHz

2.266 GHz

Performance Core Turbo Frequency

3.2 GHz

8

Total Core Count

12

16

Total Thread Count

12

133 MHz

Bus Frequency

200 MHz

15.0

Multiplier

13.0

64 KB per core

L1 Cache

576 KB

256 KB per core

L2 Cache

2 MB per module

18 MB shared

L3 Cache

8 MB per die

No

Unlocked Multiplier

No

2

SMP

4

Memory Parameters

DDR3-1333

Memory Types

DDR3-1866

4

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

-

PCIe Version

2

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