Xeon E7 2820 vs Xeon 6766E

VS

Intel Xeon E7-2820

Intel Xeon 6766E

We compared two server CPUs: Xeon E7 2820 with 8 cores 2GHz 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

Xeon E7 2820 's Advantages

Higher base frequency (2GHz vs 1.9GHz)

Lower TDP (105W vs 250W)

Xeon 6766E 's Advantages

Released 13 years and 2 months late

Higher specification of memory (6400 vs 1333)

Larger L3 cache size (108MB vs 18MB)

More modern manufacturing process (5nm vs 32nm)

Score

Xeon E7 2820

VS

Xeon 6766E

General Parameters

Apr 2011

Release Date

Jun 2024

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EX

Core Architecture

Sierra Forest

Intel Socket 1567

Socket

Intel Socket 4710

N/A

Integrated Graphics

N/A

Xeon E7(Westmere-EX)

Generation

Xeon 6(Sierra Forest-SP)

Package

2.6 billions

Transistor Count

-

32 nm

Manufacturing Process

5 nm

105 W

Power Consumption

250 W

-

Peak Operating Temperature

101°C

Intel

Foundry

Intel

513 mm²

Die Size

-

I/O Process Size

10 nm

CPU Performance

2 GHz

Performance Core Base Frequency

1.9 GHz

2.266 GHz

Performance Core Turbo Frequency

2.7 GHz

8

Total Core Count

144

16

Total Thread Count

144

133 MHz

Bus Frequency

100 MHz

15.0

Multiplier

19.0

64 KB per core

L1 Cache

96 KB per core

256 KB per core

L2 Cache

4 MB per module

18 MB shared

L3 Cache

108 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

4

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

-

PCIe Version

5

-

PCIe Lanes

88

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