Intel Xeon E5 2603 vs Intel Xeon E3 1280

VS

Intel Xeon E5-2603

Intel Xeon E3-1280

We compared two server CPUs: Intel Xeon E5 2603 with 4 cores 1.8GHz and Intel Xeon E3 1280 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 2603 's Advantages

Released 11 months late

Larger L3 cache size (10MB vs 8MB)

Lower TDP (80W vs 95W)

Intel Xeon E3 1280 's Advantages

Higher base frequency (3.5GHz vs 1.8GHz)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5 2603

571

Intel Xeon E3 1280 +136%

1348

Geekbench 6 Multi Core

Intel Xeon E5 2603

2875

Intel Xeon E3 1280 +57%

4533

Intel Xeon E5 2603

VS

Intel Xeon E3 1280

General Parameters

Mar 2012

Release Date

Apr 2011

Intel

Manufacturer

Intel

Server

Type

Server

Sandy Bridge-EP

Core Architecture

Sandy Bridge

Intel Socket 2011

Socket

Intel Socket 1155

N/A

Integrated Graphics

N/A

Xeon E5 (Sandy Bridge-EP)

Generation

Xeon E3 (Sandy Bridge)

Package

1.27 billions

Transistor Count

1.16 billions

32 nm

Manufacturing Process

32 nm

80 W

Power Consumption

95 W

Intel

Foundry

Intel

294 mm²

Die Size

216 mm²

CPU Performance

1.8 GHz

Performance Core Base Frequency

3.5 GHz

0

Performance Core Turbo Frequency

3.9 GHz

4

Total Core Count

4

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

18.0

Multiplier

35.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

10 MB shared

L3 Cache

8 MB shared

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR3

Memory Types

DDR3

4

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

-

PCIe Lanes

16

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