Intel Xeon E3 1275 v2 vs Intel Xeon E5 2637

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Intel Xeon E3-1275 v2

Intel Xeon E5-2637

We compared two server CPUs: Intel Xeon E3 1275 v2 with 4 cores 3.5GHz and Intel Xeon E5 2637 with 2 cores 3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E3 1275 v2 's Advantages

Higher base frequency (3.5GHz vs 3GHz)

Larger L3 cache size (8MB vs 5MB)

More modern manufacturing process (22nm vs 32nm)

Lower TDP (77W vs 80W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E3 1275 v2

624

Intel Xeon E5 2637 +75%

1094

Geekbench 6 Multi Core

Intel Xeon E3 1275 v2

2088

Intel Xeon E5 2637 +101%

4199

Intel Xeon E3 1275 v2

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Intel Xeon E5 2637

General Parameters

May 2012

Release Date

Mar 2012

Intel

Manufacturer

Intel

Server

Type

Server

Ivy Bridge

Core Architecture

Sandy Bridge-EP

Intel Socket 1155

Socket

Intel Socket 2011

Intel HD P4000

Integrated Graphics

N/A

Xeon E3 (Ivy Bridge)

Generation

Xeon E5 (Sandy Bridge-EP)

Package

1.4 billions

Transistor Count

1.27 billions

22 nm

Manufacturing Process

32 nm

77 W

Power Consumption

80 W

Intel

Foundry

Intel

160 mm²

Die Size

294 mm²

CPU Performance

3.5 GHz

Performance Core Base Frequency

3 GHz

3.9 GHz

Performance Core Turbo Frequency

3.5 GHz

4

Total Core Count

2

8

Total Thread Count

4

100 MHz

Bus Frequency

100 MHz

35.0

Multiplier

30.0

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

5 MB shared

No

Unlocked Multiplier

No

1

SMP

2

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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