Intel Xeon E5649 vs Intel Xeon w5 2455X

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Intel Xeon E5649

Intel Xeon w5-2455X

We compared two server CPUs: Intel Xeon E5649 with 6 cores 2.533GHz and Intel Xeon w5 2455X with 12 cores 3.2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5649 's Advantages

Lower TDP (80W vs 200W)

Intel Xeon w5 2455X 's Advantages

Released 12 years late

Higher specification of memory (4800 vs 3)

Newer PCIe version (5 vs 2)

Higher base frequency (3.2GHz vs 2.533GHz)

Larger L3 cache size (30MB vs 12MB)

More modern manufacturing process (10nm vs 32nm)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5649

411

Intel Xeon w5 2455X +406%

2081

Geekbench 6 Multi Core

Intel Xeon E5649

1727

Intel Xeon w5 2455X +541%

11071

Intel Xeon E5649

VS

Intel Xeon w5 2455X

General Parameters

Feb 2011

Release Date

Feb 2023

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EP

Core Architecture

Sapphire Rapids

Intel Socket 1366

Socket

Intel Socket 4677

N/A

Integrated Graphics

N/A

Xeon (Westmere-EP)

Generation

Xeon W (Sapphire Rapids)

Package

1.17 billions

Transistor Count

-

32 nm

Manufacturing Process

10 nm

80 W

Power Consumption

200 W

-

Peak Operating Temperature

77 °C

Intel

Foundry

Intel

239 mm²

Die Size

-

CPU Performance

2.533 GHz

Performance Core Base Frequency

3.2 GHz

2.8 GHz

Performance Core Turbo Frequency

4.6 GHz

6

Total Core Count

12

Total Thread Count

24

133 MHz

Bus Frequency

100 MHz

19.0

Multiplier

32.0

64 K per core

L1 Cache

80 K per core

256 K per core

L2 Cache

2 MB per core

12 MB shared

L3 Cache

30 MB

No

Unlocked Multiplier

Yes

2

SMP

1

-

AVX-512 FMA Ports

2

Memory Parameters

DDR3

Memory Types

DDR5-4800

-

Max Memory Size

2 TB

3

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

5

-

PCIe Lanes

64

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