Intel Xeon E3 1275 v3 vs Intel Xeon E5 2620 v3

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Intel Xeon E3-1275 v3

Intel Xeon E5-2620 v3

We compared two server CPUs: Intel Xeon E3 1275 v3 with 4 cores 3.5GHz and Intel Xeon E5 2620 v3 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 E3 1275 v3 's Advantages

Higher base frequency (3.5GHz vs 2.4GHz)

Lower TDP (84W vs 85W)

Intel Xeon E5 2620 v3 's Advantages

Released 1 years and 3 months late

Higher specification of memory (1866 vs 4)

Larger L3 cache size (15MB vs 8MB)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E3 1275 v3 +10%

1140

Intel Xeon E5 2620 v3

1032

Geekbench 6 Multi Core

Intel Xeon E3 1275 v3

3063

Intel Xeon E5 2620 v3 +21%

3719

Intel Xeon E3 1275 v3

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Intel Xeon E5 2620 v3

General Parameters

Jun 2013

Release Date

Sep 2014

Intel

Manufacturer

Intel

Server

Type

Server

Haswell-WS

Core Architecture

Haswell-EP

Intel Socket 1150

Socket

Intel Socket 2011-3

Intel HD P4600

Integrated Graphics

N/A

Xeon E3 (Haswell-WS)

Generation

Xeon E5 (Haswell-EP)

Package

1.4 billions

Transistor Count

2.6 billions

22 nm

Manufacturing Process

22 nm

84 W

Power Consumption

85 W

Intel

Foundry

Intel

160 mm²

Die Size

356 mm²

CPU Performance

3.5 GHz

Performance Core Base Frequency

2.4 GHz

3.9 GHz

Performance Core Turbo Frequency

3.2 GHz

4

Total Core Count

6

8

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

35.0

Multiplier

24.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

8 MB shared

L3 Cache

15 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR3,DDR4

Memory Types

DDR4-1866

2

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

-

PCIe Lanes

40

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