Xeon E5540 vs AMD Ryzen 9 PRO 7945

VS

Intel Xeon E5540

AMD Ryzen 9 PRO 7945

We compared two server CPUs: Xeon E5540 with 4 cores 2.533GHz and AMD Ryzen 9 PRO 7945 with 12 cores 3.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 9 PRO 7945 's Advantages

Released 14 years and 3 months late

Higher specification of memory (5200 vs 1066)

Newer PCIe version (5 vs 2)

Higher base frequency (3.7GHz vs 2.533GHz)

Larger L3 cache size (64MB vs 8MB)

More modern manufacturing process (5nm vs 45nm)

Lower TDP (65W vs 80W)

Score

Xeon E5540

VS

AMD Ryzen 9 PRO 7945

General Parameters

Mar 2009

Release Date

Jun 2023

Intel

Manufacturer

AMD

Server

Type

Server

Gainestown

Core Architecture

Raphael

Intel Socket 1366

Socket

AMD Socket AM5

N/A

Integrated Graphics

Radeon Graphics

Xeon(Gainestown)

Generation

Ryzen 9 (Zen 4 (Raphael))

Package

0.731 billions

Transistor Count

13.14 billions

45 nm

Manufacturing Process

5 nm

80 W

Power Consumption

65 W

-

Peak Operating Temperature

47 °C

Intel

Foundry

TSMC

263 mm²

Die Size

2x71 mm²

-

I/O Process Size

6 nm

-

I/O Die Size

122 mm²

CPU Performance

2.533 GHz

Performance Core Base Frequency

3.7 GHz

2.8 GHz

Performance Core Turbo Frequency

5.4 GHz

4

Total Core Count

12

8

Total Thread Count

24

133 MHz

Bus Frequency

100 MHz

19.0

Multiplier

37.0

64 KB per core

L1 Cache

64 KB per core

256 KB per core

L2 Cache

1 MB per core

8 MB shared

L3 Cache

64 MB shared

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR3-1066

Memory Types

DDR5-5200

3

Max Memory Channels

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

5

-

PCIe Lanes

24

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