Intel Xeon E5 2620 vs Intel Xeon E5 2643 v3

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Intel Xeon E5-2620

Intel Xeon E5-2643 v3

We compared two server CPUs: Intel Xeon E5 2620 with 6 cores 2GHz and Intel Xeon E5 2643 v3 with 6 cores 3.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 2620 's Advantages

Lower TDP (95W vs 135W)

Intel Xeon E5 2643 v3 's Advantages

Released 2 years and 6 months late

Higher specification of memory (2133 vs 3)

Higher base frequency (3.4GHz vs 2GHz)

Larger L3 cache size (20MB vs 15MB)

More modern manufacturing process (22nm vs 32nm)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5 2620

422

Intel Xeon E5 2643 v3 +181%

1188

Geekbench 6 Multi Core

Intel Xeon E5 2620

3412

Intel Xeon E5 2643 v3 +145%

8391

Intel Xeon E5 2620

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Intel Xeon E5 2643 v3

General Parameters

Mar 2012

Release Date

Sep 2014

Intel

Manufacturer

Intel

Server

Type

Server

Sandy Bridge-EP

Core Architecture

Haswell-EP

Intel Socket 2011

Socket

Intel Socket 2011-3

N/A

Integrated Graphics

N/A

Xeon E5 (Sandy Bridge-EP)

Generation

Xeon E5 (Haswell-EP)

Package

2.27 billions

Transistor Count

2.6 billions

32 nm

Manufacturing Process

22 nm

95 W

Power Consumption

135 W

Intel

Foundry

Intel

435 mm²

Die Size

356 mm²

CPU Performance

2 GHz

Performance Core Base Frequency

3.4 GHz

2.5 GHz

Performance Core Turbo Frequency

3.7 GHz

6

Total Core Count

6

12

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

20.0

Multiplier

34.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

15 MB shared

L3 Cache

20 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR3

Memory Types

DDR4-2133

4

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

-

PCIe Lanes

40

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