Intel Xeon E5 2666 v3 vs Intel Xeon E 2314

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We compared two server CPUs: Intel Xeon E5 2666 v3 with 10 cores 2.9GHz and Intel Xeon E 2314 with 4 cores 2.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 2666 v3 's Advantages

Higher base frequency (2.9GHz vs 2.8GHz)

Larger L3 cache size (25MB vs 8MB)

Intel Xeon E 2314 's Advantages

Released 6 years and 10 months late

Higher specification of memory (DDR4-3200 vs DDR4-2133)

Newer PCIe version (4 vs 3)

More modern manufacturing process (14nm vs 22nm)

Lower TDP (65W vs 135W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5 2666 v3

1046

Intel Xeon E 2314 +98%

2077

Geekbench 6 Multi Core

Intel Xeon E5 2666 v3 +29%

6173

Intel Xeon E 2314

4782

Intel Xeon E5 2666 v3

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Intel Xeon E 2314

General Parameters

Nov 2014

Release Date

Sep 2021

Intel

Manufacturer

Intel

Server

Type

Server

Haswell-EP

Core Architecture

Rocket Lake-E

Intel Socket 2011-3

Socket

Intel Socket 1200

N/A

Integrated Graphics

N/A

Xeon E5 (Haswell-EP)

Generation

Xeon (Rocket Lake-E)

Package

2.6 billions

Transistor Count

-

22 nm

Manufacturing Process

14 nm

Intel Socket 2011-3

Socket

Intel Socket 1200

135 W

Power Consumption

65 W

Intel

Foundry

Intel

356 mm²

Die Size

276 mm²

FC-LGA12A

Package

FC-LGA1200

CPU Performance

2.9 GHz

Performance Core Base Frequency

2.8 GHz

3.5 GHz

Performance Core Turbo Frequency

4.5 GHz

10

Total Core Count

4

20

Total Thread Count

4

100 MHz

Bus Frequency

100 MHz

29.0

Multiplier

28.0

64 K per core

L1 Cache

80 K per core

256 K per core

L2 Cache

512 K per core

25 MB shared

L3 Cache

8 MB shared

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR4-2133,DDR3-2133

Memory Types

DDR4-3200

4

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

4

40

PCIe Lanes

20

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