Intel Xeon E5645 vs Opteron 3380

VS

Intel Xeon E5645

AMD Opteron 3380

We compared two server CPUs: Intel Xeon E5645 with 6 cores 2.4GHz and Opteron 3380 with 8 cores 2.6GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5645 's Advantages

Larger L3 cache size (12MB vs 8MB)

Opteron 3380 's Advantages

Released 2 years and 9 months late

Higher base frequency (2.6GHz vs 2.4GHz)

Lower TDP (65W vs 80W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5645

425

Opteron 3380 +9%

466

Geekbench 6 Multi Core

Intel Xeon E5645 +75%

3117

Opteron 3380

1773

Intel Xeon E5645

VS

Opteron 3380

General Parameters

Mar 2010

Release Date

Dec 2012

Intel

Manufacturer

AMD

Server

Type

Server

Westmere-EP

Core Architecture

Delhi

Intel Socket 1366

Socket

AMD Socket AM3+

N/A

Integrated Graphics

N/A

Xeon (Westmere-EP)

Generation

Opteron (Delhi)

Package

1.17 billions

Transistor Count

1.2 billions

32 nm

Manufacturing Process

32 nm

80 W

Power Consumption

65 W

Intel

Foundry

-

239 mm²

Die Size

315 mm²

CPU Performance

2.4 GHz

Performance Core Base Frequency

2.6 GHz

2.666 GHz

Performance Core Turbo Frequency

3.6 GHz

6

Total Core Count

8

12

Total Thread Count

8

133 MHz

Bus Frequency

200 MHz

18.0

Multiplier

13.0

64 K per core

L1 Cache

384 K

256 K per core

L2 Cache

8 MB

12 MB shared

L3 Cache

8 MB shared

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR3

Memory Types

DDR3

3

Max Memory Channels

2

Yes

ECC Memory Support

No

Miscellaneous

2

PCIe Version

2

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