Intel Xeon E5 2643 v3 vs Opteron 6378

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Intel Xeon E5-2643 v3

AMD Opteron 6378

We compared two server CPUs: Intel Xeon E5 2643 v3 with 6 cores 3.4GHz and Opteron 6378 with 16 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 2643 v3 's Advantages

Released 1 years and 10 months late

Higher specification of memory (2133 vs 1866)

Newer PCIe version (3 vs 2)

Higher base frequency (3.4GHz vs 2.4GHz)

Larger L3 cache size (20MB vs 8MB)

More modern manufacturing process (22nm vs 32nm)

Opteron 6378 's Advantages

Lower TDP (115W vs 135W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5 2643 v3 +179%

1188

Opteron 6378

425

Geekbench 6 Multi Core

Intel Xeon E5 2643 v3 +137%

8391

Opteron 6378

3530

Intel Xeon E5 2643 v3

VS

Opteron 6378

General Parameters

Sep 2014

Release Date

Nov 2012

Intel

Manufacturer

AMD

Server

Type

Server

Haswell-EP

Core Architecture

Abu Dhabi

Intel Socket 2011-3

Socket

AMD Socket G34

N/A

Integrated Graphics

N/A

Xeon E5 (Haswell-EP)

Generation

Opteron (Abu Dhabi)

Package

2.6 billions

Transistor Count

2.4 billions

22 nm

Manufacturing Process

32 nm

135 W

Power Consumption

115 W

-

Peak Operating Temperature

69 °C

Intel

Foundry

GlobalFoundries

356 mm²

Die Size

2x315 mm²

CPU Performance

3.4 GHz

Performance Core Base Frequency

2.4 GHz

3.7 GHz

Performance Core Turbo Frequency

3.3 GHz

6

Total Core Count

16

12

Total Thread Count

16

100 MHz

Bus Frequency

200 MHz

34.0

Multiplier

12.0

64 K per core

L1 Cache

768 KB

256 K per core

L2 Cache

2 MB per module

20 MB shared

L3 Cache

8 MB per die

No

Unlocked Multiplier

No

2

SMP

4

Memory Parameters

DDR4-2133

Memory Types

DDR3-1866

4

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

2

40

PCIe Lanes

-

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