Intel Xeon E5 2666 v3 vs Xeon 6979P

VS

Intel Xeon E5-2666 v3

Intel Xeon 6979P

We compared two server CPUs: Intel Xeon E5 2666 v3 with 10 cores 2.9GHz and Xeon 6979P with 120 cores 2.1GHz . 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 2.1GHz)

Lower TDP (135W vs 500W)

Xeon 6979P 's Advantages

Released 9 years and 10 months late

Higher specification of memory (8800 vs 2133)

Newer PCIe version (5 vs 3)

Larger L3 cache size (504MB vs 25MB)

More modern manufacturing process (5nm vs 22nm)

Score

Intel Xeon E5 2666 v3

VS

Xeon 6979P

General Parameters

Nov 2014

Release Date

Sep 2024

Intel

Manufacturer

Intel

Server

Type

Server

Haswell-EP

Core Architecture

Granite Rapids

Intel Socket 2011-3

Socket

Intel Socket 7529

N/A

Integrated Graphics

N/A

Xeon E5 (Haswell-EP)

Generation

Xeon 6(Granite Rapids-AP)

Package

2.6 billions

Transistor Count

-

22 nm

Manufacturing Process

5 nm

135 W

Power Consumption

500 W

-

Peak Operating Temperature

95°C

Intel

Foundry

Intel

356 mm²

Die Size

-

I/O Process Size

10 nm

CPU Performance

2.9 GHz

Performance Core Base Frequency

2.1 GHz

3.5 GHz

Performance Core Turbo Frequency

3.9 GHz

10

Total Core Count

120

20

Total Thread Count

240

100 MHz

Bus Frequency

100 MHz

29.0

Multiplier

21.0

64 K per core

L1 Cache

112 KB per core

256 K per core

L2 Cache

2 MB per core

25 MB shared

L3 Cache

504 MB shared

No

Unlocked Multiplier

No

2

SMP

2

-

AVX-512 FMA Ports

2

Memory Parameters

DDR4-2133,DDR3-2133

Memory Types

DDR5-6400,MRDIMM-8800

-

Max Memory Size

3 TB

4

Max Memory Channels

12

Yes

ECC Memory Support

Yes

Miscellaneous

-

Official Website

Xeon 6979P

3

PCIe Version

5

40

PCIe Lanes

96

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