Intel Xeon E5503 vs Intel Xeon E3 1275 v5

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Intel Xeon E5503

Intel Xeon E3-1275 v5

We compared two server CPUs: Intel Xeon E5503 with 2 cores 2GHz and Intel Xeon E3 1275 v5 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 v5 's Advantages

Released 5 years and 7 months late

Higher specification of memory (2133 vs 3)

Newer PCIe version (3 vs 2)

Higher base frequency (3.6GHz vs 2GHz)

Larger L3 cache size (8MB vs 4MB)

More modern manufacturing process (14nm vs 45nm)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5503

223

Intel Xeon E3 1275 v5 +504%

1347

Geekbench 6 Multi Core

Intel Xeon E5503

670

Intel Xeon E3 1275 v5 +575%

4527

Intel Xeon E5503

VS

Intel Xeon E3 1275 v5

General Parameters

Mar 2010

Release Date

Oct 2015

Intel

Manufacturer

Intel

Server

Type

Server

Gainestown

Core Architecture

Skylake-DT

Intel Socket 1366

Socket

Intel Socket 1151

N/A

Integrated Graphics

HD Graphics P530

Xeon (Gainestown)

Generation

Xeon E3 (Skylake-DT)

Package

0.731 billions

Transistor Count

1.75 billions

45 nm

Manufacturing Process

14 nm

80 W

Power Consumption

80 W

Intel

Foundry

Intel

263 mm²

Die Size

122 mm²

CPU Performance

2 GHz

Performance Core Base Frequency

3.6 GHz

0

Performance Core Turbo Frequency

4 GHz

2

Total Core Count

4

2

Total Thread Count

8

133 MHz

Bus Frequency

100 MHz

15.0

Multiplier

36.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

4 MB shared

L3 Cache

8 MB shared

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR3

Memory Types

DDR3,DDR4-2133

3

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

3

-

PCIe Lanes

16

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