Xeon 6979P vs Intel Xeon E5 2666 v3

VS

Intel Xeon 6979P

Intel Xeon E5-2666 v3

We compared two server CPUs: Xeon 6979P with 120 cores 2.1GHz and Intel Xeon E5 2666 v3 with 10 cores 2.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

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)

Intel Xeon E5 2666 v3 's Advantages

Higher base frequency (2.9GHz vs 2.1GHz)

Lower TDP (135W vs 500W)

Score

Xeon 6979P

VS

Intel Xeon E5 2666 v3

General Parameters

Sep 2024

Release Date

Nov 2014

Intel

Manufacturer

Intel

Server

Type

Server

Granite Rapids

Core Architecture

Haswell-EP

Intel Socket 7529

Socket

Intel Socket 2011-3

N/A

Integrated Graphics

N/A

Xeon 6(Granite Rapids-AP)

Generation

Xeon E5 (Haswell-EP)

Package

-

Transistor Count

2.6 billions

5 nm

Manufacturing Process

22 nm

500 W

Power Consumption

135 W

95°C

Peak Operating Temperature

-

Intel

Foundry

Intel

-

Die Size

356 mm²

10 nm

I/O Process Size

-

CPU Performance

2.1 GHz

Performance Core Base Frequency

2.9 GHz

3.9 GHz

Performance Core Turbo Frequency

3.5 GHz

120

Total Core Count

10

240

Total Thread Count

20

100 MHz

Bus Frequency

100 MHz

21.0

Multiplier

29.0

112 KB per core

L1 Cache

64 K per core

2 MB per core

L2 Cache

256 K per core

504 MB shared

L3 Cache

25 MB shared

No

Unlocked Multiplier

No

2

SMP

2

AVX-512 FMA Ports

-

Memory Parameters

DDR5-6400,MRDIMM-8800

Memory Types

DDR4-2133,DDR3-2133

3 TB

Max Memory Size

-

12

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

Xeon 6979P

Official Website

-

5

PCIe Version

3

96

PCIe Lanes

40

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