Intel Xeon E5645 vs Xeon E 2276M

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Intel Xeon E5645

Intel Xeon E-2276M

We compared two server CPUs: Intel Xeon E5645 with 6 cores 2.4GHz and Xeon E 2276M with 6 cores 2.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Xeon E 2276M 's Advantages

Released 9 years and 2 months late

Higher specification of memory (2666 vs 3)

Newer PCIe version (3 vs 2)

Higher base frequency (2.8GHz vs 2.4GHz)

More modern manufacturing process (14nm vs 32nm)

Lower TDP (45W vs 80W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5645

425

Xeon E 2276M +93%

823

Geekbench 6 Multi Core

Intel Xeon E5645 +7%

3117

Xeon E 2276M

2907

Intel Xeon E5645

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Xeon E 2276M

General Parameters

Mar 2010

Release Date

May 2019

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EP

Core Architecture

Coffee Lake-H

Intel Socket 1366

Socket

Intel BGA 1440

N/A

Integrated Graphics

UHD Graphics P630

Xeon (Westmere-EP)

Generation

Xeon E (Coffee Lake)

Package

1.17 billions

Transistor Count

-

32 nm

Manufacturing Process

14 nm

80 W

Power Consumption

45 W

Intel

Foundry

Intel

239 mm²

Die Size

154 mm²

CPU Performance

2.4 GHz

Performance Core Base Frequency

2.8 GHz

2.666 GHz

Performance Core Turbo Frequency

4.7 GHz

6

Total Core Count

6

12

Total Thread Count

12

133 MHz

Bus Frequency

100 MHz

18.0

Multiplier

28.0

64 K per core

L1 Cache

64 KB per core

256 K per core

L2 Cache

256 KB per core

12 MB shared

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR3

Memory Types

DDR4-2666

3

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

3

-

PCIe Lanes

16

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