Intel Xeon E5649 vs Intel Xeon Platinum 8581V

VS

Intel Xeon E5649 Intel Xeon Platinum 8581V

We compared two server CPUs: Intel Xeon E5649 with 6 cores 2.533GHz and Intel Xeon Platinum 8581V with 64 cores 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

Higher base frequency (2.533GHz vs 2GHz)

Lower TDP (80W vs 270W)

Intel Xeon Platinum 8581V 's Advantages

Released 12 years and 10 months late

Higher specification of memory (DDR5-4800 vs DDR3)

Newer PCIe version (5 vs 2)

Larger L3 cache size (300MB vs 12MB)

More modern manufacturing process (10nm vs 32nm)

Score

Intel Xeon E5649

VS

Intel Xeon Platinum 8581V

General Parameters

Feb 2011

Release Date

Dec 2023

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EP

Core Architecture

Emerald Rapids

Intel Socket 1366

Socket

Intel Socket 4677

N/A

Integrated Graphics

N/A

Xeon (Westmere-EP)

Generation

Xeon Platinum (Emerald Rapids-SP)

Package

1.17 billions

Transistor Count

-

32 nm

Manufacturing Process

10 nm

Intel Socket 1366

Socket

Intel Socket 4677

80 W

Power Consumption

270 W

-

Peak Operating Temperature

74 °C

Intel

Foundry

Intel

239 mm²

Die Size

2x763 mm²

FC-LGA10

Package

FC-LGA16A

CPU Performance

2.533 GHz

Performance Core Base Frequency

2 GHz

2.8 GHz

Performance Core Turbo Frequency

3.9 GHz

6

Total Core Count

64

12

Total Thread Count

128

133 MHz

Bus Frequency

100 MHz

19.0

Multiplier

20.0

64 K per core

L1 Cache

80 KB per core

256 K per core

L2 Cache

2 MB per core

12 MB shared

L3 Cache

300 MB shared

No

Unlocked Multiplier

No

2

SMP

1

-

AVX-512 FMA Ports

2

Memory Parameters

DDR3

Memory Types

DDR5-4800

3

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

5

-

PCIe Lanes

80

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