Intel Xeon E7 8870 v3 vs Intel Xeon E3 1275 v5

VS

Intel Xeon E7-8870 v3

Intel Xeon E3-1275 v5

We compared two server CPUs: Intel Xeon E7 8870 v3 with 18 cores 2.1GHz 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 E7 8870 v3 's Advantages

Larger L3 cache size (45MB vs 8MB)

Intel Xeon E3 1275 v5 's Advantages

Higher specification of memory (2133 vs 1866)

Higher base frequency (3.6GHz vs 2.1GHz)

More modern manufacturing process (14nm vs 22nm)

Lower TDP (80W vs 140W)

Score

Intel Xeon E7 8870 v3

VS

Intel Xeon E3 1275 v5

General Parameters

Jun 2015

Release Date

Oct 2015

Intel

Manufacturer

Intel

Server

Type

Server

Haswell-EX

Core Architecture

Skylake-DT

Intel Socket 2011-3

Socket

Intel Socket 1151

N/A

Integrated Graphics

HD Graphics P530

Xeon E7 (Haswell-EX)

Generation

Xeon E3 (Skylake-DT)

Package

1.4 billions

Transistor Count

1.75 billions

22 nm

Manufacturing Process

14 nm

140 W

Power Consumption

80 W

75 °C

Peak Operating Temperature

-

Intel

Foundry

Intel

160 mm²

Die Size

122 mm²

CPU Performance

2.1 GHz

Performance Core Base Frequency

3.6 GHz

2.9 GHz

Performance Core Turbo Frequency

4 GHz

18

Total Core Count

4

36

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

21.0

Multiplier

36.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

45 MB shared

L3 Cache

8 MB shared

No

Unlocked Multiplier

No

8

SMP

1

Memory Parameters

DDR3,DDR4-1866

Memory Types

DDR3,DDR4-2133

2

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

32

PCIe Lanes

16

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