AMD Ryzen 9 PRO 7945 vs Ryzen 5 PRO 7645

VS

AMD Ryzen 9 PRO 7945

AMD Ryzen 5 PRO 7645

We compared two server CPUs: AMD Ryzen 9 PRO 7945 with 12 cores 3.7GHz and Ryzen 5 PRO 7645 with 6 cores 3.8GHz . 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

Larger L3 cache size (64MB vs 32MB)

Ryzen 5 PRO 7645 's Advantages

Higher base frequency (3.8GHz vs 3.7GHz)

Score

Benchmark

Geekbench 6 Single Core

AMD Ryzen 9 PRO 7945 +3%

2892

Ryzen 5 PRO 7645

2782

Geekbench 6 Multi Core

AMD Ryzen 9 PRO 7945 +17%

14516

Ryzen 5 PRO 7645

12396

AMD Ryzen 9 PRO 7945

VS

Ryzen 5 PRO 7645

General Parameters

Jun 2023

Release Date

Jun 2023

AMD

Manufacturer

AMD

Server

Type

Server

Raphael

Core Architecture

Raphael

AMD Socket AM5

Socket

AMD Socket AM5

Radeon Graphics

Integrated Graphics

Radeon Graphics

Ryzen 9 (Zen 4 (Raphael))

Generation

Ryzen 5 (Zen 4 (Raphael))

Package

13.14 billions

Transistor Count

6.57 billions

5 nm

Manufacturing Process

5 nm

65 W

Power Consumption

65 W

47 °C

Peak Operating Temperature

61 °C

TSMC

Foundry

TSMC

2x71 mm²

Die Size

71 mm²

6 nm

I/O Process Size

6 nm

122 mm²

I/O Die Size

122 mm²

CPU Performance

3.7 GHz

Performance Core Base Frequency

3.8 GHz

5.4 GHz

Performance Core Turbo Frequency

5.1 GHz

12

Total Core Count

6

24

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

37.0

Multiplier

38.0

64 KB per core

L1 Cache

64 KB per core

1 MB per core

L2 Cache

1 MB per core

64 MB shared

L3 Cache

32 MB shared

No

Unlocked Multiplier

No

1

SMP

1

Memory Parameters

DDR5-5200

Memory Types

DDR5-5200

Yes

ECC Memory Support

Yes

Miscellaneous

5

PCIe Version

5

24

PCIe Lanes

24

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