AMD Ryzen 9 PRO 7945 vs Intel Xeon E5 4640 v3

VS

AMD Ryzen 9 PRO 7945

Intel Xeon E5-4640 v3

We compared two server CPUs: AMD Ryzen 9 PRO 7945 with 12 cores 3.7GHz and Intel Xeon E5 4640 v3 with 12 cores 1.9GHz . 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 8 years late

Higher specification of memory (5200 vs 1866)

Newer PCIe version (5 vs 3)

Higher base frequency (3.7GHz vs 1.9GHz)

Larger L3 cache size (64MB vs 30MB)

More modern manufacturing process (5nm vs 22nm)

Lower TDP (65W vs 105W)

Score

AMD Ryzen 9 PRO 7945

VS

Intel Xeon E5 4640 v3

General Parameters

Jun 2023

Release Date

Jun 2015

AMD

Manufacturer

Intel

Server

Type

Server

Raphael

Core Architecture

Haswell-EP

AMD Socket AM5

Socket

Intel Socket 2011-3

Radeon Graphics

Integrated Graphics

N/A

Ryzen 9 (Zen 4 (Raphael))

Generation

Xeon E5 (Haswell-EP)

Package

13.14 billions

Transistor Count

2.6 billions

5 nm

Manufacturing Process

22 nm

65 W

Power Consumption

105 W

47 °C

Peak Operating Temperature

78 °C

TSMC

Foundry

Intel

2x71 mm²

Die Size

356 mm²

6 nm

I/O Process Size

-

122 mm²

I/O Die Size

-

CPU Performance

3.7 GHz

Performance Core Base Frequency

1.9 GHz

5.4 GHz

Performance Core Turbo Frequency

2.6 GHz

12

Total Core Count

12

24

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

37.0

Multiplier

19.0

64 KB per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

256 K per core

64 MB shared

L3 Cache

30 MB shared

No

Unlocked Multiplier

No

1

SMP

4

Memory Parameters

DDR5-5200

Memory Types

DDR4-1866

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

5

PCIe Version

3

24

PCIe Lanes

40

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