Intel Xeon E5645 vs Opteron 8346 HE (B3)

VS

Intel Xeon E5645

AMD Opteron 8346 HE (B3)

We compared two server CPUs: Intel Xeon E5645 with 6 cores 2.4GHz and Opteron 8346 HE (B3) with 4 cores 1.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5645 's Advantages

Released 1 years and 10 months late

Higher base frequency (2.4GHz vs 1.8GHz)

Larger L3 cache size (12MB vs 2MB)

More modern manufacturing process (32nm vs 65nm)

Opteron 8346 HE (B3) 's Advantages

Higher specification of memory (667 vs 3)

Lower TDP (68W vs 80W)

Score

Intel Xeon E5645

VS

Opteron 8346 HE (B3)

General Parameters

Mar 2010

Release Date

May 2008

Intel

Manufacturer

AMD

Server

Type

Server

Westmere-EP

Core Architecture

Barcelona

Intel Socket 1366

Socket

AMD Socket Fr2

N/A

Integrated Graphics

N/A

Xeon (Westmere-EP)

Generation

Opteron(Barcelona)

Package

1.17 billions

Transistor Count

0.463 billions

32 nm

Manufacturing Process

65 nm

80 W

Power Consumption

68 W

Intel

Foundry

-

239 mm²

Die Size

285 mm²

CPU Performance

2.4 GHz

Performance Core Base Frequency

1.8 GHz

2.666 GHz

Performance Core Turbo Frequency

0

6

Total Core Count

4

12

Total Thread Count

4

133 MHz

Bus Frequency

200 MHz

18.0

Multiplier

9.0

64 K per core

L1 Cache

64 KB per core

256 K per core

L2 Cache

512 KB per core

12 MB shared

L3 Cache

2 MB shared

No

Unlocked Multiplier

No

2

SMP

8

Memory Parameters

DDR3

Memory Types

DDR2-667

3

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

-

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