Intel Xeon E5645 vs AMD Ryzen Threadripper PRO 5955WX

VS

Intel Xeon E5645

AMD Ryzen Threadripper PRO 5955WX

We compared two server CPUs: Intel Xeon E5645 with 6 cores 2.4GHz and AMD Ryzen Threadripper PRO 5955WX with 16 cores 4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5645 's Advantages

Lower TDP (80W vs 280W)

AMD Ryzen Threadripper PRO 5955WX 's Advantages

Released 12 years late

Higher specification of memory (3200 vs 3)

Newer PCIe version (4 vs 2)

Higher base frequency (4GHz vs 2.4GHz)

Larger L3 cache size (64MB vs 12MB)

More modern manufacturing process (7nm vs 32nm)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5645

425

AMD Ryzen Threadripper PRO 5955WX +375%

2020

Geekbench 6 Multi Core

Intel Xeon E5645

3117

AMD Ryzen Threadripper PRO 5955WX +420%

16222

Intel Xeon E5645

VS

AMD Ryzen Threadripper PRO 5955WX

General Parameters

Mar 2010

Release Date

Mar 2022

Intel

Manufacturer

AMD

Server

Type

Server

Westmere-EP

Core Architecture

Chagall PRO

Intel Socket 1366

Socket

AMD Socket WRX8

N/A

Integrated Graphics

N/A

Xeon (Westmere-EP)

Generation

Ryzen Threadripper (Zen 3 (Chagall))

Package

1.17 billions

Transistor Count

16.6 billions

32 nm

Manufacturing Process

7 nm

80 W

Power Consumption

280 W

-

Peak Operating Temperature

95 °C

Intel

Foundry

TSMC

239 mm²

Die Size

4x81 mm²

-

I/O Process Size

14 nm

-

I/O Die Size

416 mm²

CPU Performance

2.4 GHz

Performance Core Base Frequency

4 GHz

2.666 GHz

Performance Core Turbo Frequency

4.5 GHz

6

Total Core Count

16

12

Total Thread Count

32

133 MHz

Bus Frequency

100 MHz

18.0

Multiplier

40.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

512 K per core

12 MB shared

L3 Cache

64 MB

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR3

Memory Types

DDR4-3200

3

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

4

-

PCIe Lanes

128

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