Intel Xeon E3 1280 vs Intel Xeon E5 4640

VS

Intel Xeon E3-1280

Intel Xeon E5-4640

We compared two server CPUs: Intel Xeon E3 1280 with 4 cores 3.5GHz and Intel Xeon E5 4640 with 8 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E3 1280 's Advantages

Higher base frequency (3.5GHz vs 2.4GHz)

Intel Xeon E5 4640 's Advantages

Released 1 years and 1 months late

Larger L3 cache size (20MB vs 8MB)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E3 1280 +259%

1348

Intel Xeon E5 4640

375

Geekbench 6 Multi Core

Intel Xeon E3 1280 +588%

4533

Intel Xeon E5 4640

658

Intel Xeon E3 1280

VS

Intel Xeon E5 4640

General Parameters

Apr 2011

Release Date

May 2012

Intel

Manufacturer

Intel

Server

Type

Server

Sandy Bridge

Core Architecture

Sandy Bridge-EP

Intel Socket 1155

Socket

Intel Socket 2011

N/A

Integrated Graphics

N/A

Xeon E3 (Sandy Bridge)

Generation

Xeon E5 (Sandy Bridge-EP)

Package

1.16 billions

Transistor Count

2.27 billions

32 nm

Manufacturing Process

32 nm

95 W

Power Consumption

95 W

Intel

Foundry

Intel

216 mm²

Die Size

435 mm²

CPU Performance

3.5 GHz

Performance Core Base Frequency

2.4 GHz

3.9 GHz

Performance Core Turbo Frequency

2.8 GHz

4

Total Core Count

8

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

35.0

Multiplier

24.0

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

20 MB shared

No

Unlocked Multiplier

No

1

SMP

4

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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