Intel Xeon E5 4640 vs Intel Xeon X5650

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Intel Xeon E5-4640

Intel Xeon X5650

We compared two server CPUs: Intel Xeon E5 4640 with 8 cores 2.4GHz and Intel Xeon X5650 with 6 cores 2.666GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 4640 's Advantages

Released 2 years and 2 months late

Newer PCIe version (3 vs 2)

Larger L3 cache size (20MB vs 12MB)

Intel Xeon X5650 's Advantages

Higher base frequency (2.666GHz vs 2.4GHz)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5 4640

375

Intel Xeon X5650 +8%

407

Geekbench 6 Multi Core

Intel Xeon E5 4640

658

Intel Xeon X5650 +320%

2768

Intel Xeon E5 4640

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Intel Xeon X5650

General Parameters

May 2012

Release Date

Mar 2010

Intel

Manufacturer

Intel

Server

Type

Server

Sandy Bridge-EP

Core Architecture

Westmere-EP

Intel Socket 2011

Socket

Intel Socket 1366

N/A

Integrated Graphics

N/A

Xeon E5 (Sandy Bridge-EP)

Generation

Xeon (Westmere-EP)

Package

2.27 billions

Transistor Count

1.17 billions

32 nm

Manufacturing Process

32 nm

95 W

Power Consumption

95 W

Intel

Foundry

Intel

435 mm²

Die Size

239 mm²

CPU Performance

2.4 GHz

Performance Core Base Frequency

2.666 GHz

2.8 GHz

Performance Core Turbo Frequency

3.066 GHz

8

Total Core Count

6

16

Total Thread Count

12

100 MHz

Bus Frequency

133 MHz

24.0

Multiplier

20.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

20 MB shared

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

4

SMP

2

Memory Parameters

DDR3

Memory Types

DDR3

4

Max Memory Channels

3

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

2

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