Intel Xeon E5 2690 vs Xeon L5645

VS

Intel Xeon E5-2690

Intel Xeon L5645

We compared two server CPUs: Intel Xeon E5 2690 with 8 cores 2.9GHz and Xeon L5645 with 6 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 2690 's Advantages

Released 1 years and 1 months late

Newer PCIe version (3 vs 2)

Higher base frequency (2.9GHz vs 2.4GHz)

Larger L3 cache size (20MB vs 12MB)

Xeon L5645 's Advantages

Higher specification of memory (1333 vs 3)

Lower TDP (60W vs 135W)

Score

Intel Xeon E5 2690

VS

Xeon L5645

General Parameters

Mar 2012

Release Date

Feb 2011

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

135 W

Power Consumption

60 W

Intel

Foundry

Intel

435 mm²

Die Size

239 mm²

CPU Performance

2.9 GHz

Performance Core Base Frequency

2.4 GHz

3.8 GHz

Performance Core Turbo Frequency

2.933 GHz

8

Total Core Count

6

16

Total Thread Count

12

100 MHz

Bus Frequency

133 MHz

29.0

Multiplier

18.0

64 K per core

L1 Cache

64 KB per core

256 K per core

L2 Cache

256 KB per core

20 MB shared

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR3

Memory Types

DDR3-1333

4

Max Memory Channels

3

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

2

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