Intel Xeon E5-2450 vs Intel Xeon E3-1275 v2

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Intel Xeon E5-2450 Intel Xeon E3-1275 v2

We compared two server CPUs: Intel Xeon E5 2450 with 8 cores 2.1GHz 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 E5-2450 's Advantages

Larger L3 cache size (20MB vs 8MB)

Intel Xeon E3-1275 v2 's Advantages

Higher base frequency (3.5GHz vs 2.1GHz)

More modern manufacturing process (22nm vs 32nm)

Lower TDP (77W vs 95W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5 2450

409

Intel Xeon E3 1275 v2 +52%

624

Geekbench 6 Multi Core

Intel Xeon E5 2450 +90%

3972

Intel Xeon E3 1275 v2

2088

Intel Xeon E5 2450

VS

Intel Xeon E3 1275 v2

General Parameters

May 2012

Release Date

May 2012

Intel

Manufacturer

Intel

Server

Type

Server

-

Instruction Set

-

Sandy Bridge-EN

Core Architecture

Ivy Bridge

-

Processor Number

-

Intel Socket 1356

Socket

Intel Socket 1155

N/A

Integrated Graphics

Intel HD P4000

Xeon E5 (Sandy Bridge-EN)

Generation

Xeon E3 (Ivy Bridge)

Package

1.27 billions

Transistor Count

1.4 billions

32 nm

Manufacturing Process

22 nm

Intel Socket 1356

Socket

Intel Socket 1155

95 W

Power Consumption

77 W

-

Max Turbo Power Consumption

-

Peak Operating Temperature

-

Intel

Foundry

Intel

294 mm²

Die Size

160 mm²

-

I/O Process Size

-

I/O Die Size

-

Package

FC-LGA12C

CPU Performance

-

Performance Cores

-

Performance Core Threads

-

2.1 GHz

Performance Core Base Frequency

3.5 GHz

2.9 GHz

Performance Core Turbo Frequency

3.9 GHz

-

Efficiency Cores

-

Efficiency Core Threads

-

Efficiency Core Base Frequency

-

Efficiency Core Turbo Frequency

-

8

Total Core Count

4

16

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

21.0

Multiplier

35.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

20 MB shared

L3 Cache

8 MB shared

No

Unlocked Multiplier

No

CCDs

-

Cores per CCD

-

2

SMP

1

-

AVX-512 FMA Ports

-

HBM

-

Memory Parameters

DDR3

Memory Types

DDR3

-

Max Memory Size

-

Max Memory Channels

2

-

Max Memory Bandwidth

-

Yes

ECC Memory Support

Yes

Graphics Card Parameters

-

Integrated Graphics

-

GPU Base Frequency

-

GPU Max Dynamic Frequency

-

Shader Units

-

Texture Units

-

Raster Operation Units

-

Execution Units

-

Power Consumption

-

Max Resolution

-

Graphics Performance

-

AI Accelerator

-

NPU

-

Theoretical performance

-

Miscellaneous

-

Official Website

-

PCIe Version

3

-

PCIe Lanes

16

-

Extended Instruction Set

-

UPI Links

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