AMD Ryzen 9 PRO 7945 vs AMD EPYC 7H12

VS

AMD Ryzen 9 PRO 7945

AMD EPYC 7H12

We compared two server CPUs: AMD Ryzen 9 PRO 7945 with 12 cores 3.7GHz and AMD EPYC 7H12 with 64 cores 2.6GHz . 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 3 years and 9 months late

Higher specification of memory (5200 vs 3200)

Newer PCIe version (5 vs 4)

Higher base frequency (3.7GHz vs 2.6GHz)

More modern manufacturing process (5nm vs 7nm)

Lower TDP (65W vs 280W)

AMD EPYC 7H12 's Advantages

Larger L3 cache size (256MB vs 64MB)

Score

Benchmark

Geekbench 6 Single Core

AMD Ryzen 9 PRO 7945 +138%

2892

AMD EPYC 7H12

1215

Geekbench 6 Multi Core

AMD Ryzen 9 PRO 7945 +39%

14516

AMD EPYC 7H12

10386

AMD Ryzen 9 PRO 7945

VS

AMD EPYC 7H12

General Parameters

Jun 2023

Release Date

Sep 2019

AMD

Manufacturer

AMD

Server

Type

Server

Raphael

Core Architecture

Rome

AMD Socket AM5

Socket

AMD Socket SP3

Radeon Graphics

Integrated Graphics

N/A

Ryzen 9 (Zen 4 (Raphael))

Generation

EPYC (Zen 2 (Rome))

Package

13.14 billions

Transistor Count

3.8 billions

5 nm

Manufacturing Process

7 nm

65 W

Power Consumption

280 W

47 °C

Peak Operating Temperature

-

TSMC

Foundry

TSMC

2x71 mm²

Die Size

74 mm²

6 nm

I/O Process Size

-

122 mm²

I/O Die Size

-

CPU Performance

3.7 GHz

Performance Core Base Frequency

2.6 GHz

5.4 GHz

Performance Core Turbo Frequency

3.3 GHz

12

Total Core Count

64

24

Total Thread Count

128

100 MHz

Bus Frequency

100 MHz

37.0

Multiplier

26.0

64 KB per core

L1 Cache

96 K per core

1 MB per core

L2 Cache

512 K per core

64 MB shared

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

1

SMP

2

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

-

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