Intel Xeon E5 2649 v3 vs Xeon E5540

VS

Intel Xeon E5-2649 v3

Intel Xeon E5540

We compared two server CPUs: Intel Xeon E5 2649 v3 with 10 cores 2.3GHz and Xeon E5540 with 4 cores 2.533GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 2649 v3 's Advantages

Released 5 years and 6 months late

Higher specification of memory (2133 vs 1066)

Newer PCIe version (3 vs 2)

Larger L3 cache size (25MB vs 8MB)

More modern manufacturing process (22nm vs 45nm)

Xeon E5540 's Advantages

Higher base frequency (2.533GHz vs 2.3GHz)

Lower TDP (80W vs 105W)

Score

Intel Xeon E5 2649 v3

VS

Xeon E5540

General Parameters

Sep 2014

Release Date

Mar 2009

Intel

Manufacturer

Intel

Server

Type

Server

Haswell-EP

Core Architecture

Gainestown

Intel Socket 2011-3

Socket

Intel Socket 1366

N/A

Integrated Graphics

N/A

Xeon E5 (Haswell-EP)

Generation

Xeon(Gainestown)

Package

2.6 billions

Transistor Count

0.731 billions

22 nm

Manufacturing Process

45 nm

105 W

Power Consumption

80 W

Intel

Foundry

Intel

356 mm²

Die Size

263 mm²

CPU Performance

2.3 GHz

Performance Core Base Frequency

2.533 GHz

3 GHz

Performance Core Turbo Frequency

2.8 GHz

10

Total Core Count

4

20

Total Thread Count

8

100 MHz

Bus Frequency

133 MHz

23.0

Multiplier

19.0

64 K per core

L1 Cache

64 KB per core

256 K per core

L2 Cache

256 KB per core

25 MB shared

L3 Cache

8 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR3,DDR4-2133

Memory Types

DDR3-1066

4

Max Memory Channels

3

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

2

40

PCIe Lanes

-

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