Xeon E5345 vs Intel Xeon E5 2666 v3

VS

Intel Xeon E5345

Intel Xeon E5-2666 v3

We compared two server CPUs: Xeon E5345 with 4 cores 2.333GHz and Intel Xeon E5 2666 v3 with 10 cores 2.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Xeon E5345 's Advantages

Lower TDP (80W vs 135W)

Intel Xeon E5 2666 v3 's Advantages

Released 8 years late

Higher specification of memory (2133 vs 3)

Higher base frequency (2.9GHz vs 2.333GHz)

More modern manufacturing process (22nm vs 65nm)

Score

Benchmark

Geekbench 6 Single Core

Xeon E5345

263

Intel Xeon E5 2666 v3 +297%

1046

Geekbench 6 Multi Core

Xeon E5345

1210

Intel Xeon E5 2666 v3 +410%

6173

Xeon E5345

VS

Intel Xeon E5 2666 v3

General Parameters

Nov 2006

Release Date

Nov 2014

Intel

Manufacturer

Intel

Server

Type

Server

Clovertown

Core Architecture

Haswell-EP

Intel Socket 771

Socket

Intel Socket 2011-3

N/A

Integrated Graphics

N/A

Xeon (Clovertown)

Generation

Xeon E5 (Haswell-EP)

Package

0.582 billions

Transistor Count

2.6 billions

65 nm

Manufacturing Process

22 nm

80 W

Power Consumption

135 W

66 °C

Peak Operating Temperature

-

Foundry

Intel

2x143 mm²

Die Size

356 mm²

CPU Performance

2.333 GHz

Performance Core Base Frequency

2.9 GHz

0

Performance Core Turbo Frequency

3.5 GHz

4

Total Core Count

10

4

Total Thread Count

20

333 MHz

Bus Frequency

100 MHz

7.0

Multiplier

29.0

64 KB per core

L1 Cache

64 K per core

4 MB per die

L2 Cache

256 K per core

-

L3 Cache

25 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR2, DDR3

Memory Types

DDR4-2133,DDR3-2133

2

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

0

PCIe Version

3

-

PCIe Lanes

40

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