Xeon E 2456 vs Xeon E7 2820

VS

Intel Xeon E-2456

Intel Xeon E7-2820

We compared two server CPUs: Xeon E 2456 with 6 cores 3.3GHz and Xeon E7 2820 with 8 cores 2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Xeon E 2456 's Advantages

Released 12 years and 8 months late

Higher specification of memory (4800 vs 1333)

Higher base frequency (3.3GHz vs 2GHz)

More modern manufacturing process (10nm vs 32nm)

Lower TDP (80W vs 105W)

Score

Xeon E 2456

VS

Xeon E7 2820

General Parameters

Dec 2023

Release Date

Apr 2011

Intel

Manufacturer

Intel

Server

Type

Server

Raptor Lake-S

Core Architecture

Westmere-EX

Intel Socket 1700

Socket

Intel Socket 1567

N/A

Integrated Graphics

N/A

Xeon E (Raptor Lake)

Generation

Xeon E7(Westmere-EX)

Package

-

Transistor Count

2.6 billions

10 nm

Manufacturing Process

32 nm

80 W

Power Consumption

105 W

Intel

Foundry

Intel

163 mm²

Die Size

513 mm²

CPU Performance

3.3 GHz

Performance Core Base Frequency

2 GHz

5.1 GHz

Performance Core Turbo Frequency

2.266 GHz

6

Total Core Count

8

12

Total Thread Count

16

100 MHz

Bus Frequency

133 MHz

33.0

Multiplier

15.0

80 KB per core

L1 Cache

64 KB per core

1.25 MB per core

L2 Cache

256 KB per core

18 MB shared

L3 Cache

18 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR5-4800

Memory Types

DDR3-1333

2

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

5

PCIe Version

-

16

PCIe Lanes

-

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