Intel Xeon E3 1245 v3 vs Intel Xeon E5640

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Intel Xeon E3-1245 v3

Intel Xeon E5640

We compared two server CPUs: Intel Xeon E3 1245 v3 with 4 cores 3.4GHz and Intel Xeon E5640 with 4 cores 2.666GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E3 1245 v3 's Advantages

Released 3 years and 3 months late

Higher specification of memory (4 vs 3)

Newer PCIe version (3 vs 2)

Higher base frequency (3.4GHz vs 2.666GHz)

More modern manufacturing process (22nm vs 32nm)

Intel Xeon E5640 's Advantages

Larger L3 cache size (12MB vs 8MB)

Lower TDP (80W vs 84W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E3 1245 v3 +168%

1173

Intel Xeon E5640

437

Geekbench 6 Multi Core

Intel Xeon E3 1245 v3 +59%

3919

Intel Xeon E5640

2456

Intel Xeon E3 1245 v3

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Intel Xeon E5640

General Parameters

Jun 2013

Release Date

Mar 2010

Intel

Manufacturer

Intel

Server

Type

Server

Haswell-WS

Core Architecture

Westmere-EP

Intel Socket 1150

Socket

Intel Socket 1366

Intel HD P4600

Integrated Graphics

N/A

Xeon E3 (Haswell-WS)

Generation

Xeon (Westmere-EP)

Package

1.4 billions

Transistor Count

1.17 billions

22 nm

Manufacturing Process

32 nm

84 W

Power Consumption

80 W

Intel

Foundry

Intel

160 mm²

Die Size

239 mm²

CPU Performance

3.4 GHz

Performance Core Base Frequency

2.666 GHz

3.8 GHz

Performance Core Turbo Frequency

2.933 GHz

4

Total Core Count

4

8

Total Thread Count

8

100 MHz

Bus Frequency

133 MHz

34.0

Multiplier

20.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

8 MB shared

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR3,DDR4

Memory Types

DDR3

2

Max Memory Channels

3

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

2

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