AMD Ryzen 9 PRO 7945 vs Opteron 6378

VS

AMD Ryzen 9 PRO 7945

AMD Opteron 6378

We compared two server CPUs: AMD Ryzen 9 PRO 7945 with 12 cores 3.7GHz and Opteron 6378 with 16 cores 2.4GHz . 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 10 years and 7 months late

Higher specification of memory (5200 vs 1866)

Newer PCIe version (5 vs 2)

Higher base frequency (3.7GHz vs 2.4GHz)

Larger L3 cache size (64MB vs 8MB)

More modern manufacturing process (5nm vs 32nm)

Lower TDP (65W vs 115W)

Score

Benchmark

Geekbench 6 Single Core

AMD Ryzen 9 PRO 7945 +580%

2892

Opteron 6378

425

Geekbench 6 Multi Core

AMD Ryzen 9 PRO 7945 +311%

14516

Opteron 6378

3530

AMD Ryzen 9 PRO 7945

VS

Opteron 6378

General Parameters

Jun 2023

Release Date

Nov 2012

AMD

Manufacturer

AMD

Server

Type

Server

Raphael

Core Architecture

Abu Dhabi

AMD Socket AM5

Socket

AMD Socket G34

Radeon Graphics

Integrated Graphics

N/A

Ryzen 9 (Zen 4 (Raphael))

Generation

Opteron (Abu Dhabi)

Package

13.14 billions

Transistor Count

2.4 billions

5 nm

Manufacturing Process

32 nm

65 W

Power Consumption

115 W

47 °C

Peak Operating Temperature

69 °C

TSMC

Foundry

GlobalFoundries

2x71 mm²

Die Size

2x315 mm²

6 nm

I/O Process Size

-

122 mm²

I/O Die Size

-

CPU Performance

3.7 GHz

Performance Core Base Frequency

2.4 GHz

5.4 GHz

Performance Core Turbo Frequency

3.3 GHz

12

Total Core Count

16

24

Total Thread Count

16

100 MHz

Bus Frequency

200 MHz

37.0

Multiplier

12.0

64 KB per core

L1 Cache

768 KB

1 MB per core

L2 Cache

2 MB per module

64 MB shared

L3 Cache

8 MB per die

No

Unlocked Multiplier

No

1

SMP

4

Memory Parameters

DDR5-5200

Memory Types

DDR3-1866

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

5

PCIe Version

2

24

PCIe Lanes

-

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