Intel Xeon E5645 vs Intel Xeon E7 4809 v3

VS

Intel Xeon E5645

Intel Xeon E7-4809 v3

We compared two server CPUs: Intel Xeon E5645 with 6 cores 2.4GHz and Intel Xeon E7 4809 v3 with 8 cores 2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5645 's Advantages

Higher base frequency (2.4GHz vs 2GHz)

Lower TDP (80W vs 115W)

Intel Xeon E7 4809 v3 's Advantages

Released 5 years and 3 months late

Higher specification of memory (1866 vs 3)

Newer PCIe version (3 vs 2)

Larger L3 cache size (20MB vs 12MB)

More modern manufacturing process (22nm vs 32nm)

Score

Intel Xeon E5645

VS

Intel Xeon E7 4809 v3

General Parameters

Mar 2010

Release Date

Jun 2015

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EP

Core Architecture

Haswell-EX

Intel Socket 1366

Socket

Intel Socket 2011-1

N/A

Integrated Graphics

N/A

Xeon (Westmere-EP)

Generation

Xeon E7 (Haswell-EX)

Package

1.17 billions

Transistor Count

2.6 billions

32 nm

Manufacturing Process

22 nm

80 W

Power Consumption

115 W

-

Peak Operating Temperature

70 °C

Intel

Foundry

Intel

239 mm²

Die Size

356 mm²

CPU Performance

2.4 GHz

Performance Core Base Frequency

2 GHz

2.666 GHz

Performance Core Turbo Frequency

0

6

Total Core Count

8

12

Total Thread Count

16

133 MHz

Bus Frequency

100 MHz

18.0

Multiplier

20.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

12 MB shared

L3 Cache

20 MB shared

No

Unlocked Multiplier

No

2

SMP

4

Memory Parameters

DDR3

Memory Types

DDR3,DDR4-1866

3

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

3

-

PCIe Lanes

32

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