Intel Xeon E5645 vs Xeon E5 2650 v4

VS

Intel Xeon E5645

Intel Xeon E5-2650 v4

We compared two server CPUs: Intel Xeon E5645 with 6 cores 2.4GHz and Xeon E5 2650 v4 with 12 cores 2.2GHz . 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 2.2GHz)

Lower TDP (80W vs 105W)

Xeon E5 2650 v4 's Advantages

Released 6 years late

Higher specification of memory (2133 vs 3)

Newer PCIe version (3 vs 2)

Larger L3 cache size (30MB vs 12MB)

More modern manufacturing process (14nm vs 32nm)

Score

Intel Xeon E5645

VS

Xeon E5 2650 v4

General Parameters

Mar 2010

Release Date

Mar 2016

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EP

Core Architecture

Broadwell-EP

Intel Socket 1366

Socket

Intel Socket 2011-3

N/A

Integrated Graphics

N/A

Xeon (Westmere-EP)

Generation

Xeon E5 (Broadwell-EP)

Package

1.17 billions

Transistor Count

3.4 billions

32 nm

Manufacturing Process

14 nm

80 W

Power Consumption

105 W

Intel

Foundry

Intel

239 mm²

Die Size

246 mm²

CPU Performance

2.4 GHz

Performance Core Base Frequency

2.2 GHz

2.666 GHz

Performance Core Turbo Frequency

2.9 GHz

6

Total Core Count

12

Total Thread Count

24

133 MHz

Bus Frequency

100 MHz

18.0

Multiplier

22.0

64 K per core

L1 Cache

64 KB per core

256 K per core

L2 Cache

256 KB per core

12 MB shared

L3 Cache

30 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR3

Memory Types

DDR4-2133

3

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

3

-

PCIe Lanes

40

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