Intel Xeon E7 4820 v3 vs Intel Xeon E3 1275 v2

VS

Intel Xeon E7-4820 v3

Intel Xeon E3-1275 v2

We compared two server CPUs: Intel Xeon E7 4820 v3 with 10 cores 1.9GHz and Intel Xeon E3 1275 v2 with 4 cores 3.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E7 4820 v3 's Advantages

Released 3 years and 1 months late

Higher specification of memory (1866 vs 3)

Larger L3 cache size (25MB vs 8MB)

Intel Xeon E3 1275 v2 's Advantages

Higher base frequency (3.5GHz vs 1.9GHz)

Lower TDP (77W vs 115W)

Score

Intel Xeon E7 4820 v3

VS

Intel Xeon E3 1275 v2

General Parameters

Jun 2015

Release Date

May 2012

Intel

Manufacturer

Intel

Server

Type

Server

Haswell-EX

Core Architecture

Ivy Bridge

Intel Socket 2011-1

Socket

Intel Socket 1155

N/A

Integrated Graphics

Intel HD P4000

Xeon E7 (Haswell-EX)

Generation

Xeon E3 (Ivy Bridge)

Package

5.96 billions

Transistor Count

1.4 billions

22 nm

Manufacturing Process

22 nm

115 W

Power Consumption

77 W

70 °C

Peak Operating Temperature

-

Intel

Foundry

Intel

622 mm²

Die Size

160 mm²

CPU Performance

1.9 GHz

Performance Core Base Frequency

3.5 GHz

0

Performance Core Turbo Frequency

3.9 GHz

10

Total Core Count

4

20

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

19.0

Multiplier

35.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

25 MB shared

L3 Cache

8 MB shared

No

Unlocked Multiplier

No

4

SMP

1

Memory Parameters

DDR3,DDR4-1866

Memory Types

DDR3

4

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

32

PCIe Lanes

16

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