AMD Ryzen 9 PRO 7945 vs AMD EPYC 7663P

VS

AMD Ryzen 9 PRO 7945

AMD EPYC 7663P

We compared two server CPUs: AMD Ryzen 9 PRO 7945 with 12 cores 3.7GHz and AMD EPYC 7663P with 56 cores 2GHz . 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

Higher specification of memory (5200 vs 3200)

Newer PCIe version (5 vs 4)

Higher base frequency (3.7GHz vs 2GHz)

More modern manufacturing process (5nm vs 7nm)

Lower TDP (65W vs 240W)

AMD EPYC 7663P 's Advantages

Larger L3 cache size (256MB vs 64MB)

Score

AMD Ryzen 9 PRO 7945

VS

AMD EPYC 7663P

General Parameters

Jun 2023

Release Date

Sep 2023

AMD

Manufacturer

AMD

Server

Type

Server

Raphael

Core Architecture

Milan

AMD Socket AM5

Socket

AMD Socket SP3

Radeon Graphics

Integrated Graphics

N/A

Ryzen 9 (Zen 4 (Raphael))

Generation

EPYC (Zen 3 (Milan))

Package

13.14 billions

Transistor Count

33.2 billions

5 nm

Manufacturing Process

7 nm

65 W

Power Consumption

240 W

47 °C

Peak Operating Temperature

-

TSMC

Foundry

TSMC

2x71 mm²

Die Size

8x81 mm²

6 nm

I/O Process Size

12 nm

122 mm²

I/O Die Size

416 mm²

CPU Performance

3.7 GHz

Performance Core Base Frequency

2 GHz

5.4 GHz

Performance Core Turbo Frequency

3.5 GHz

12

Total Core Count

56

24

Total Thread Count

112

100 MHz

Bus Frequency

100 MHz

37.0

Multiplier

20.0

64 KB per core

L1 Cache

64 KB per core

1 MB per core

L2 Cache

512 KB per core

64 MB shared

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

-

Cores per CCD

8

1

SMP

1

Memory Parameters

DDR5-5200

Memory Types

DDR4-3200

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

5

PCIe Version

4

24

PCIe Lanes

128

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