Intel Xeon E5 4660 v3 vs Xeon 6766E

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Intel Xeon E5-4660 v3

Intel Xeon 6766E

We compared two server CPUs: Intel Xeon E5 4660 v3 with 14 cores 2.1GHz and Xeon 6766E with 144 cores 1.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 4660 v3 's Advantages

Higher base frequency (2.1GHz vs 1.9GHz)

Lower TDP (120W vs 250W)

Xeon 6766E 's Advantages

Released 9 years late

Higher specification of memory (6400 vs 2133)

Newer PCIe version (5 vs 3)

Larger L3 cache size (108MB vs 35MB)

More modern manufacturing process (5nm vs 22nm)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5 4660 v3

743

Xeon 6766E +39%

1037

Geekbench 6 Multi Core

Intel Xeon E5 4660 v3

1428

Xeon 6766E +677%

11106

Intel Xeon E5 4660 v3

VS

Xeon 6766E

General Parameters

Jun 2015

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

120 W

Power Consumption

250 W

83 °C

Peak Operating Temperature

101°C

Intel

Foundry

Intel

356 mm²

Die Size

-

I/O Process Size

10 nm

CPU Performance

2.1 GHz

Performance Core Base Frequency

1.9 GHz

2.9 GHz

Performance Core Turbo Frequency

2.7 GHz

14

Total Core Count

144

28

Total Thread Count

144

100 MHz

Bus Frequency

100 MHz

21.0

Multiplier

19.0

64 K per core

L1 Cache

96 KB per core

256 K per core

L2 Cache

4 MB per module

35 MB shared

L3 Cache

108 MB shared

No

Unlocked Multiplier

No

4

SMP

2

-

AVX-512 FMA Ports

2

Memory Parameters

DDR4-2133

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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