Intel Xeon E5645 vs Intel Xeon w5 2445

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Intel Xeon E5645

Intel Xeon w5-2445

We compared two server CPUs: Intel Xeon E5645 with 6 cores 2.4GHz and Intel Xeon w5 2445 with 10 cores 3.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5645 's Advantages

Lower TDP (80W vs 175W)

Intel Xeon w5 2445 's Advantages

Released 12 years and 11 months late

Higher specification of memory (4800 vs 3)

Newer PCIe version (5 vs 2)

Higher base frequency (3.1GHz vs 2.4GHz)

Larger L3 cache size (26.25MB vs 12MB)

More modern manufacturing process (10nm vs 32nm)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5645

425

Intel Xeon w5 2445 +443%

2311

Geekbench 6 Multi Core

Intel Xeon E5645

3117

Intel Xeon w5 2445 +315%

12954

Intel Xeon E5645

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Intel Xeon w5 2445

General Parameters

Mar 2010

Release Date

Feb 2023

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EP

Core Architecture

Sapphire Rapids

Intel Socket 1366

Socket

Intel Socket 4677

N/A

Integrated Graphics

N/A

Xeon (Westmere-EP)

Generation

Xeon W (Sapphire Rapids)

Package

1.17 billions

Transistor Count

-

32 nm

Manufacturing Process

10 nm

80 W

Power Consumption

175 W

-

Peak Operating Temperature

72 °C

Intel

Foundry

Intel

239 mm²

Die Size

-

CPU Performance

2.4 GHz

Performance Core Base Frequency

3.1 GHz

2.666 GHz

Performance Core Turbo Frequency

4.6 GHz

6

Total Core Count

10

12

Total Thread Count

20

133 MHz

Bus Frequency

100 MHz

18.0

Multiplier

31.0

64 K per core

L1 Cache

80 K per core

256 K per core

L2 Cache

2 MB per core

12 MB shared

L3 Cache

26.25 MB

No

Unlocked Multiplier

No

2

SMP

1

-

AVX-512 FMA Ports

2

Memory Parameters

DDR3

Memory Types

DDR5-4800

-

Max Memory Size

2 TB

3

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

5

-

PCIe Lanes

64

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