Intel Xeon E5 2666 v3 vs Xeon 6756E

VS

Intel Xeon E5-2666 v3

Intel Xeon 6756E

We compared two server CPUs: Intel Xeon E5 2666 v3 with 10 cores 2.9GHz 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

Intel Xeon E5 2666 v3 's Advantages

Higher base frequency (2.9GHz vs 1.8GHz)

Lower TDP (135W vs 225W)

Xeon 6756E 's Advantages

Released 9 years and 7 months late

Higher specification of memory (6400 vs 2133)

Newer PCIe version (5 vs 3)

Larger L3 cache size (96MB vs 25MB)

More modern manufacturing process (5nm vs 22nm)

Score

Intel Xeon E5 2666 v3

VS

Xeon 6756E

General Parameters

Nov 2014

Release Date

Jun 2024

Intel

Manufacturer

Intel

Server

Type

Server

Haswell-EP

Core Architecture

Sierra Forest

Intel Socket 2011-3

Socket

Intel Socket 4710

N/A

Integrated Graphics

N/A

Xeon E5 (Haswell-EP)

Generation

Xeon 6(Sierra Forest-SP)

Package

2.6 billions

Transistor Count

-

22 nm

Manufacturing Process

5 nm

135 W

Power Consumption

225 W

-

Peak Operating Temperature

96°C

Intel

Foundry

Intel

356 mm²

Die Size

-

I/O Process Size

10 nm

CPU Performance

2.9 GHz

Performance Core Base Frequency

1.8 GHz

3.5 GHz

Performance Core Turbo Frequency

2.6 GHz

10

Total Core Count

128

20

Total Thread Count

128

100 MHz

Bus Frequency

100 MHz

29.0

Multiplier

18.0

64 K per core

L1 Cache

96 KB per core

256 K per core

L2 Cache

4 MB per module

25 MB shared

L3 Cache

96 MB shared

No

Unlocked Multiplier

No

2

SMP

2

-

AVX-512 FMA Ports

2

Memory Parameters

DDR4-2133,DDR3-2133

Memory Types

DDR5-6400

-

Max Memory Size

1 TB

4

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

5

40

PCIe Lanes

88

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