Intel Xeon E5 2640 vs Intel Xeon E3 1225 v5

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Intel Xeon E5-2640

Intel Xeon E3-1225 v5

We compared two server CPUs: Intel Xeon E5 2640 with 6 cores 2.5GHz and Intel Xeon E3 1225 v5 with 4 cores 3.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 2640 's Advantages

Larger L3 cache size (15MB vs 8MB)

Intel Xeon E3 1225 v5 's Advantages

Released 3 years and 7 months late

Higher specification of memory (2133 vs 3)

Higher base frequency (3.3GHz vs 2.5GHz)

More modern manufacturing process (14nm vs 32nm)

Lower TDP (80W vs 95W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5 2640

800

Intel Xeon E3 1225 v5 +57%

1262

Geekbench 6 Multi Core

Intel Xeon E5 2640

3177

Intel Xeon E3 1225 v5 +13%

3621

Intel Xeon E5 2640

VS

Intel Xeon E3 1225 v5

General Parameters

Mar 2012

Release Date

Oct 2015

Intel

Manufacturer

Intel

Server

Type

Server

Sandy Bridge-EP

Core Architecture

Skylake-DT

Intel Socket 2011

Socket

Intel Socket 1151

N/A

Integrated Graphics

HD Graphics P530

Xeon E5 (Sandy Bridge-EP)

Generation

Xeon E3 (Skylake-DT)

Package

2.27 billions

Transistor Count

1.75 billions

32 nm

Manufacturing Process

14 nm

95 W

Power Consumption

80 W

Intel

Foundry

Intel

435 mm²

Die Size

122 mm²

CPU Performance

2.5 GHz

Performance Core Base Frequency

3.3 GHz

3 GHz

Performance Core Turbo Frequency

3.7 GHz

6

Total Core Count

4

12

Total Thread Count

4

100 MHz

Bus Frequency

100 MHz

25.0

Multiplier

33.0

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

8 MB shared

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR3

Memory Types

DDR3,DDR4-2133

4

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

-

PCIe Lanes

16

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