Intel Xeon E3 1265L v2 vs Intel Xeon E5 1660 v2

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Intel Xeon E3-1265L v2

Intel Xeon E5-1660 v2

We compared two server CPUs: Intel Xeon E3 1265L v2 with 4 cores 2.5GHz and Intel Xeon E5 1660 v2 with 6 cores 3.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E3 1265L v2 's Advantages

Lower TDP (45W vs 130W)

Intel Xeon E5 1660 v2 's Advantages

Released 1 years and 4 months late

Higher specification of memory (1866 vs 3)

Higher base frequency (3.7GHz vs 2.5GHz)

Larger L3 cache size (15MB vs 8MB)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E3 1265L v2

593

Intel Xeon E5 1660 v2 +37%

818

Geekbench 6 Multi Core

Intel Xeon E3 1265L v2

2208

Intel Xeon E5 1660 v2 +75%

3870

Intel Xeon E3 1265L v2

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Intel Xeon E5 1660 v2

General Parameters

May 2012

Release Date

Sep 2013

Intel

Manufacturer

Intel

Server

Type

Server

Ivy Bridge

Core Architecture

Ivy Bridge-E

Intel Socket 1155

Socket

Intel Socket 2011

Intel HD 2500

Integrated Graphics

N/A

Xeon E3 (Ivy Bridge)

Generation

Xeon E5 (Ivy Bridge-E)

Package

1.4 billions

Transistor Count

1.86 billions

22 nm

Manufacturing Process

22 nm

45 W

Power Consumption

130 W

-

Peak Operating Temperature

70 °C

Intel

Foundry

Intel

160 mm²

Die Size

257 mm²

CPU Performance

2.5 GHz

Performance Core Base Frequency

3.7 GHz

3.5 GHz

Performance Core Turbo Frequency

4 GHz

4

Total Core Count

6

8

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

25.0

Multiplier

37.0

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

Yes

1

SMP

1

Memory Parameters

DDR3

Memory Types

DDR3-1866

2

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

16

PCIe Lanes

-

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