Xeon L5639 vs Xeon 6756E

VS

Intel Xeon L5639

Intel Xeon 6756E

We compared two server CPUs: Xeon L5639 with 6 cores 2.133GHz and Xeon 6756E with 128 cores 1.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Xeon L5639 's Advantages

Higher base frequency (2.133GHz vs 1.8GHz)

Lower TDP (60W vs 225W)

Xeon 6756E 's Advantages

Released 13 years and 4 months late

Higher specification of memory (6400 vs 1333)

Newer PCIe version (5 vs 2)

Larger L3 cache size (96MB vs 12MB)

More modern manufacturing process (5nm vs 32nm)

Score

Xeon L5639

VS

Xeon 6756E

General Parameters

Feb 2011

Release Date

Jun 2024

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EP

Core Architecture

Sierra Forest

Intel Socket 1366

Socket

Intel Socket 4710

N/A

Integrated Graphics

N/A

Xeon(Westmere-EP)

Generation

Xeon 6(Sierra Forest-SP)

Package

1.17 billions

Transistor Count

-

32 nm

Manufacturing Process

5 nm

60 W

Power Consumption

225 W

-

Peak Operating Temperature

96°C

Intel

Foundry

Intel

239 mm²

Die Size

-

I/O Process Size

10 nm

CPU Performance

2.133 GHz

Performance Core Base Frequency

1.8 GHz

2.667 GHz

Performance Core Turbo Frequency

2.6 GHz

6

Total Core Count

128

12

Total Thread Count

128

133 MHz

Bus Frequency

100 MHz

16.0

Multiplier

18.0

64 KB per core

L1 Cache

96 KB per core

256 KB per core

L2 Cache

4 MB per module

12 MB shared

L3 Cache

96 MB shared

No

Unlocked Multiplier

No

2

SMP

2

-

AVX-512 FMA Ports

2

Memory Parameters

DDR3-1333

Memory Types

DDR5-6400

-

Max Memory Size

1 TB

3

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

5

-

PCIe Lanes

88

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