Intel Xeon W 3345 vs Intel Xeon E5645

VS

Intel Xeon W-3345

Intel Xeon E5645

We compared two server CPUs: Intel Xeon W 3345 with 24 cores 3GHz and Intel Xeon E5645 with 6 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon W 3345 's Advantages

Released 11 years and 4 months late

Higher specification of memory (3200 vs 3)

Newer PCIe version (4 vs 2)

Higher base frequency (3GHz vs 2.4GHz)

Larger L3 cache size (36MB vs 12MB)

More modern manufacturing process (10nm vs 32nm)

Intel Xeon E5645 's Advantages

Lower TDP (80W vs 250W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon W 3345 +216%

1345

Intel Xeon E5645

425

Geekbench 6 Multi Core

Intel Xeon W 3345 +287%

12075

Intel Xeon E5645

3117

Intel Xeon W 3345

VS

Intel Xeon E5645

General Parameters

Jul 2021

Release Date

Mar 2010

Intel

Manufacturer

Intel

Server

Type

Server

Ice Lake-W

Core Architecture

Westmere-EP

Intel Socket 4189

Socket

Intel Socket 1366

N/A

Integrated Graphics

N/A

Xeon W (Ice Lake-W)

Generation

Xeon (Westmere-EP)

Package

-

Transistor Count

1.17 billions

10 nm

Manufacturing Process

32 nm

250 W

Power Consumption

80 W

81 °C

Peak Operating Temperature

-

Intel

Foundry

Intel

-

Die Size

239 mm²

CPU Performance

3 GHz

Performance Core Base Frequency

2.4 GHz

4 GHz

Performance Core Turbo Frequency

2.666 GHz

24

Total Core Count

6

48

Total Thread Count

12

100 MHz

Bus Frequency

133 MHz

30.0

Multiplier

18.0

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

256 K per core

36 MB shared

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR4-3200

Memory Types

DDR3

8

Max Memory Channels

3

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

2

64

PCIe Lanes

-

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