Intel Xeon E5649 vs AMD Ryzen Threadripper Pro 3945WX

VS

Intel Xeon E5649

AMD Ryzen Threadripper Pro 3945WX

We compared the server Intel Xeon E5649 with 6 cores 2.533GHz and the desktop AMD Ryzen Threadripper Pro 3945WX with 12 cores 4.0GHz . 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 280W)

AMD Ryzen Threadripper Pro 3945WX 's Advantages

Released 9 years and 5 months late

Higher specification of memory (3200 vs 3)

Newer PCIe version (4.0 vs 2)

Higher base frequency (4.0GHz vs 2.533GHz)

Larger L3 cache size (64MB vs 12MB)

More modern manufacturing process (7nm vs 32nm)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5649

411

AMD Ryzen Threadripper Pro 3945WX +279%

1561

Geekbench 6 Multi Core

Intel Xeon E5649

1727

AMD Ryzen Threadripper Pro 3945WX +534%

10957

Intel Xeon E5649

VS

AMD Ryzen Threadripper Pro 3945WX

General Parameters

Feb 2011

Release Date

Jul 2020

Intel

Manufacturer

AMD

Server

Type

Desktop

-

Instruction Set

x86-64

Westmere-EP

Core Architecture

Zen 2

Intel Socket 1366

Socket

sWRX8

N/A

Integrated Graphics

N/A

Xeon (Westmere-EP)

Generation

-

Package

1.17 billions

Transistor Count

-

32 nm

Manufacturing Process

7 nm

80 W

Power Consumption

280 W

-

Peak Operating Temperature

90 °C

Intel

Foundry

-

239 mm²

Die Size

-

CPU Performance

-

Performance Cores

12

-

Performance Core Threads

24

2.533 GHz

Performance Core Base Frequency

4.0 GHz

2.8 GHz

Performance Core Turbo Frequency

4.3 GHz

6

Total Core Count

12

Total Thread Count

24

133 MHz

Bus Frequency

100 MHz

19.0

Multiplier

40x

64 K per core

L1 Cache

96 K per core

256 K per core

L2 Cache

512 K per core

12 MB shared

L3 Cache

64 MB shared

No

Unlocked Multiplier

No

2

SMP

-

Memory Parameters

DDR3

Memory Types

DDR4-3200

-

Max Memory Size

2048 GB

3

Max Memory Channels

8

-

Max Memory Bandwidth

204.8 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

-

Official Website

AMD Ryzen Threadripper Pro 3945WX

2

PCIe Version

4.0

-

PCIe Lanes

128

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