Intel Xeon E3 1275 vs Intel Xeon E5 1620

VS

Intel Xeon E3-1275

Intel Xeon E5-1620

We compared two server CPUs: Intel Xeon E3 1275 with 4 cores 3.4GHz and Intel Xeon E5 1620 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 1275 's Advantages

Lower TDP (95W vs 130W)

Intel Xeon E5 1620 's Advantages

Released 11 months late

Higher base frequency (3.6GHz vs 3.4GHz)

Larger L3 cache size (10MB vs 8MB)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E3 1275 +95%

1347

Intel Xeon E5 1620

690

Geekbench 6 Multi Core

Intel Xeon E3 1275 +78%

4527

Intel Xeon E5 1620

2533

Intel Xeon E3 1275

VS

Intel Xeon E5 1620

General Parameters

Apr 2011

Release Date

Mar 2012

Intel

Manufacturer

Intel

Server

Type

Server

Sandy Bridge

Core Architecture

Sandy Bridge-E

Intel Socket 1155

Socket

Intel Socket 2011

Intel HD P3000

Integrated Graphics

N/A

Xeon E3 (Sandy Bridge)

Generation

Xeon E5 (Sandy Bridge-E)

Package

1.16 billions

Transistor Count

1.27 billions

32 nm

Manufacturing Process

32 nm

95 W

Power Consumption

130 W

Intel

Foundry

Intel

216 mm²

Die Size

294 mm²

CPU Performance

3.4 GHz

Performance Core Base Frequency

3.6 GHz

3.8 GHz

Performance Core Turbo Frequency

3.8 GHz

4

Total Core Count

4

8

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

34.0

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

10 MB shared

No

Unlocked Multiplier

No

1

SMP

1

Memory Parameters

DDR3

Memory Types

DDR3

2

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

16

PCIe Lanes

-

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