Intel Xeon E3 1265L v3 vs Intel Xeon E3 1275 v5

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Intel Xeon E3-1265L v3

Intel Xeon E3-1275 v5

We compared two server CPUs: Intel Xeon E3 1265L v3 with 4 cores 2.5GHz and Intel Xeon E3 1275 v5 with 4 cores 3.6GHz . 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

Lower TDP (45W vs 80W)

Intel Xeon E3 1275 v5 's Advantages

Released 2 years and 4 months late

Higher specification of memory (2133 vs 4)

Higher base frequency (3.6GHz vs 2.5GHz)

More modern manufacturing process (14nm vs 22nm)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E3 1265L v3

1223

Intel Xeon E3 1275 v5 +10%

1347

Geekbench 6 Multi Core

Intel Xeon E3 1265L v3

1224

Intel Xeon E3 1275 v5 +269%

4527

Intel Xeon E3 1265L v3

VS

Intel Xeon E3 1275 v5

General Parameters

Jun 2013

Release Date

Oct 2015

Intel

Manufacturer

Intel

Server

Type

Server

Haswell-WS

Core Architecture

Skylake-DT

Intel Socket 1150

Socket

Intel Socket 1151

Intel HD (Haswell)

Integrated Graphics

HD Graphics P530

Xeon E3 (Haswell-WS)

Generation

Xeon E3 (Skylake-DT)

Package

1.4 billions

Transistor Count

1.75 billions

22 nm

Manufacturing Process

14 nm

45 W

Power Consumption

80 W

Intel

Foundry

Intel

160 mm²

Die Size

122 mm²

CPU Performance

2.5 GHz

Performance Core Base Frequency

3.6 GHz

3.7 GHz

Performance Core Turbo Frequency

4 GHz

4

Total Core Count

4

8

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

25.0

Multiplier

36.0

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

8 MB shared

No

Unlocked Multiplier

No

1

SMP

1

Memory Parameters

DDR3,DDR4

Memory Types

DDR3,DDR4-2133

2

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

-

PCIe Lanes

16

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