Xeon L5645 vs Xeon E7 8837

VS

Intel Xeon L5645

Intel Xeon E7-8837

We compared two server CPUs: Xeon L5645 with 6 cores 2.4GHz and Xeon E7 8837 with 8 cores 2.667GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Xeon L5645 's Advantages

Lower TDP (60W vs 130W)

Xeon E7 8837 's Advantages

Higher base frequency (2.667GHz vs 2.4GHz)

Larger L3 cache size (24MB vs 12MB)

Score

Xeon L5645

VS

Xeon E7 8837

General Parameters

Feb 2011

Release Date

Apr 2011

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EP

Core Architecture

Westmere-EX

Intel Socket 1366

Socket

Intel Socket 1567

N/A

Integrated Graphics

N/A

Xeon(Westmere-EP)

Generation

Xeon E7(Westmere-EX)

Package

1.17 billions

Transistor Count

2.6 billions

32 nm

Manufacturing Process

32 nm

60 W

Power Consumption

130 W

Intel

Foundry

Intel

239 mm²

Die Size

513 mm²

CPU Performance

2.4 GHz

Performance Core Base Frequency

2.667 GHz

2.933 GHz

Performance Core Turbo Frequency

2.8 GHz

6

Total Core Count

8

12

Total Thread Count

8

133 MHz

Bus Frequency

133 MHz

18.0

Multiplier

20.0

64 KB per core

L1 Cache

64 KB per core

256 KB per core

L2 Cache

256 KB per core

12 MB shared

L3 Cache

24 MB shared

No

Unlocked Multiplier

No

2

SMP

8

Memory Parameters

DDR3-1333

Memory Types

DDR3-1333

3

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

-

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