Intel Xeon E3 1265L v3 vs Intel Xeon E5 1660

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Intel Xeon E3-1265L v3

Intel Xeon E5-1660

We compared two server CPUs: Intel Xeon E3 1265L v3 with 4 cores 2.5GHz and Intel Xeon E5 1660 with 6 cores 3.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E3 1265L v3 's Advantages

Released 1 years and 3 months late

Higher specification of memory (4 vs 3)

More modern manufacturing process (22nm vs 32nm)

Lower TDP (45W vs 130W)

Intel Xeon E5 1660 's Advantages

Higher base frequency (3.3GHz vs 2.5GHz)

Larger L3 cache size (15MB vs 8MB)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E3 1265L v3 +49%

1223

Intel Xeon E5 1660

818

Geekbench 6 Multi Core

Intel Xeon E3 1265L v3

1224

Intel Xeon E5 1660 +216%

3870

Intel Xeon E3 1265L v3

VS

Intel Xeon E5 1660

General Parameters

Jun 2013

Release Date

Mar 2012

Intel

Manufacturer

Intel

Server

Type

Server

Haswell-WS

Core Architecture

Sandy Bridge-E

Intel Socket 1150

Socket

Intel Socket 2011

Intel HD (Haswell)

Integrated Graphics

N/A

Xeon E3 (Haswell-WS)

Generation

Xeon E5 (Sandy Bridge-E)

Package

1.4 billions

Transistor Count

2.27 billions

22 nm

Manufacturing Process

32 nm

45 W

Power Consumption

130 W

Intel

Foundry

Intel

160 mm²

Die Size

435 mm²

CPU Performance

2.5 GHz

Performance Core Base Frequency

3.3 GHz

3.7 GHz

Performance Core Turbo Frequency

3.9 GHz

4

Total Core Count

6

8

Total Thread Count

12

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

8 MB shared

L3 Cache

15 MB shared

No

Unlocked Multiplier

No

1

SMP

1

Memory Parameters

DDR3,DDR4

Memory Types

DDR3

2

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

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