Xeon L5639 vs Xeon E 2456

VS

Intel Xeon L5639

Intel Xeon E-2456

We compared two server CPUs: Xeon L5639 with 6 cores 2.133GHz and Xeon E 2456 with 6 cores 3.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Xeon L5639 's Advantages

Lower TDP (60W vs 80W)

Xeon E 2456 's Advantages

Released 12 years and 10 months late

Higher specification of memory (4800 vs 1333)

Newer PCIe version (5 vs 2)

Higher base frequency (3.3GHz vs 2.133GHz)

Larger L3 cache size (18MB vs 12MB)

More modern manufacturing process (10nm vs 32nm)

Score

Xeon L5639

VS

Xeon E 2456

General Parameters

Feb 2011

Release Date

Dec 2023

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EP

Core Architecture

Raptor Lake-S

Intel Socket 1366

Socket

Intel Socket 1700

N/A

Integrated Graphics

N/A

Xeon(Westmere-EP)

Generation

Xeon E (Raptor Lake)

Package

1.17 billions

Transistor Count

-

32 nm

Manufacturing Process

10 nm

60 W

Power Consumption

80 W

Intel

Foundry

Intel

239 mm²

Die Size

163 mm²

CPU Performance

2.133 GHz

Performance Core Base Frequency

3.3 GHz

2.667 GHz

Performance Core Turbo Frequency

5.1 GHz

6

Total Core Count

6

12

Total Thread Count

12

133 MHz

Bus Frequency

100 MHz

16.0

Multiplier

33.0

64 KB per core

L1 Cache

80 KB per core

256 KB per core

L2 Cache

1.25 MB per core

12 MB shared

L3 Cache

18 MB shared

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR3-1333

Memory Types

DDR5-4800

3

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

5

-

PCIe Lanes

16

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