Intel Xeon E5 2640 vs Intel Xeon E3 1105C

VS

Intel Xeon E5-2640

Intel Xeon E3-1105C

We compared two server CPUs: Intel Xeon E5 2640 with 6 cores 2.5GHz and Intel Xeon E3 1105C with 4 cores 1GHz . 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

Higher base frequency (2.5GHz vs 1GHz)

Larger L3 cache size (15MB vs 6MB)

Intel Xeon E3 1105C 's Advantages

Lower TDP (25W vs 95W)

Score

Intel Xeon E5 2640

VS

Intel Xeon E3 1105C

General Parameters

Mar 2012

Release Date

May 2012

Intel

Manufacturer

Intel

Server

Type

Server

Sandy Bridge-EP

Core Architecture

Gladden

Intel Socket 2011

Socket

Intel BGA 1283

N/A

Integrated Graphics

N/A

Xeon E5 (Sandy Bridge-EP)

Generation

Xeon E3 (Gladden)

Package

2.27 billions

Transistor Count

1.16 billions

32 nm

Manufacturing Process

32 nm

95 W

Power Consumption

25 W

Intel

Foundry

Intel

435 mm²

Die Size

216 mm²

CPU Performance

2.5 GHz

Performance Core Base Frequency

1 GHz

3 GHz

Performance Core Turbo Frequency

0

6

Total Core Count

4

12

Total Thread Count

4

100 MHz

Bus Frequency

100 MHz

25.0

Multiplier

10.0

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

6 MB shared

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR3

Memory Types

DDR3

4

Max Memory Channels

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

-

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