Intel Xeon E5645 vs Xeon Platinum 8276

VS

Intel Xeon E5645

Intel Xeon Platinum 8276

We compared two server CPUs: Intel Xeon E5645 with 6 cores 2.4GHz and Xeon Platinum 8276 with 28 cores 2.2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5645 's Advantages

Higher base frequency (2.4GHz vs 2.2GHz)

Lower TDP (80W vs 165W)

Xeon Platinum 8276 's Advantages

Released 8 years and 9 months late

Higher specification of memory (4 vs 3)

Larger L3 cache size (38.5MB vs 12MB)

More modern manufacturing process (14nm vs 32nm)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5645

425

Xeon Platinum 8276 +65%

702

Geekbench 6 Multi Core

Intel Xeon E5645 +17%

3117

Xeon Platinum 8276

2654

Intel Xeon E5645

VS

Xeon Platinum 8276

General Parameters

Mar 2010

Release Date

Dec 2018

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EP

Core Architecture

Cascade Lake-SP

Intel Socket 1366

Socket

Intel Socket 3647

N/A

Integrated Graphics

N/A

Xeon (Westmere-EP)

Generation

Xeon Platinum(Cascade Lake-SP)

Package

1.17 billions

Transistor Count

8 billions

32 nm

Manufacturing Process

14 nm

80 W

Power Consumption

165 W

Intel

Foundry

Intel

239 mm²

Die Size

-

CPU Performance

2.4 GHz

Performance Core Base Frequency

2.2 GHz

2.666 GHz

Performance Core Turbo Frequency

4 GHz

6

Total Core Count

28

12

Total Thread Count

56

133 MHz

Bus Frequency

100 MHz

18.0

Multiplier

22.0

64 K per core

L1 Cache

64 KB per core

256 K per core

L2 Cache

1 MB per core

12 MB shared

L3 Cache

38.5 MB shared

No

Unlocked Multiplier

No

2

SMP

8

Memory Parameters

DDR3

Memory Types

DDR4

3

Max Memory Channels

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

-

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