AMD EPYC 7663 vs Ryzen 9 PRO 7945

VS

AMD EPYC 7663 Ryzen 9 PRO 7945

We compared two server CPUs: AMD EPYC 7663 with 56 cores 2GHz and 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 EPYC 7663 's Advantages

Larger L3 cache size (256MB vs 64MB)

Ryzen 9 PRO 7945 's Advantages

Released 2 years and 3 months late

Higher specification of memory (DDR5-5200 vs DDR4-3200)

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)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 7663

777

Ryzen 9 PRO 7945 +255%

2764

Geekbench 6 Multi Core

AMD EPYC 7663

6330

Ryzen 9 PRO 7945 +129%

14516

AMD EPYC 7663

VS

Ryzen 9 PRO 7945

General Parameters

Mar 2021

Release Date

Jun 2023

AMD

Manufacturer

AMD

Server

Type

Server

Milan

Core Architecture

Raphael

AMD Socket SP3

Socket

AMD Socket AM5

N/A

Integrated Graphics

Radeon Graphics

EPYC (Zen 3 (Milan))

Generation

Ryzen 9 (Zen 4 (Raphael))

Package

33.2 billions

Transistor Count

13.14 billions

7 nm

Manufacturing Process

5 nm

AMD Socket SP3

Socket

AMD Socket AM5

240 W

Power Consumption

65 W

-

Peak Operating Temperature

47 °C

TSMC

Foundry

TSMC

8x81 mm²

Die Size

2x71 mm²

12 nm

I/O Process Size

6 nm

416 mm²

I/O Die Size

122 mm²

FCLGA-4094

Package

FC-LGA1718

CPU Performance

2 GHz

Performance Core Base Frequency

3.7 GHz

3.5 GHz

Performance Core Turbo Frequency

5.4 GHz

56

Total Core Count

12

112

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

20.0

Multiplier

37.0

64 KB per core

L1 Cache

64 KB per core

512 KB per core

L2 Cache

1 MB per core

256 MB shared

L3 Cache

64 MB shared

No

Unlocked Multiplier

No

7

Cores per CCD

-

2

SMP

1

Memory Parameters

DDR4-3200

Memory Types

DDR5-5200

8

Max Memory Channels

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

5

128

PCIe Lanes

24

Related CPU Comparisons

1

Opteron X2 185 vs AMD EPYC 7663

2

AMD EPYC 7663 vs Intel Xeon E5 2622 v3

3

AMD EPYC Embedded 9354P vs AMD EPYC 7663

4

AMD EPYC 7663 vs Intel Xeon Gold 6342

5

Intel Xeon Platinum 8562Y vs AMD EPYC 7663

6

AMD EPYC 7551P vs AMD EPYC 7663

7

Ryzen 9 PRO 7945 vs AMD Ryzen 9 7945HX3D

8

Ryzen 9 PRO 7945 vs Xeon W 1390P

9

AMD EPYC 7663 vs AMD EPYC Embedded 9254

10

AMD EPYC 7663 vs Intel Xeon Gold 6438N

Related News

1

Initial Test Results of AMD Ryzen AI 9 365 Revealed: IPC Improvement Meets Expectations

2

Elon Musk Responds to Nvidia’s Jensen Huang: Humanoid Robots Will Be Ten Times More Common than Cars

3

AMD Revives Multi-GPU Support: Up to Four Cards and 192GB VRAM

4

TSMC Explores Advanced Chip Packaging Technology: Switches to Rectangular Substrate, Nearly Tripling Usable Area on 300mm Wafers

5

Western Digital WD Blue SN5000 SSD Launched: Up to 8TB Capacity with Mixed TLC/QLC Flash

6

Apple's Most Powerful Laptop is Coming: A Preview of the New MacBook Pro

7

AMD Breakthrough: Ryzen AI HX 370 Processor Benchmark Revealed with Aggressive Performance

8

Russian Cosplayer as Marika from 'Elden Ring': Stunning Figure in a High-Slit Gown

9

AMD Patents Multi-Chip Design GPU with Configurable Multi-Mode Capabilities

10

MSI Unveils Laptop with AMD Ryzen AI 300 Chip at Computex Taipei 2024