AMD Ryzen 9 PRO 7945
vs
AMD EPYC 7643
vs
CPU Comparison Result
Below are the results of a comparison of
AMD Ryzen 9 PRO 7945
and
AMD EPYC 7643
processors based on key performance characteristics, as well as power consumption and much more.
Advantages
- Higher Max Turbo Frequency: Up to 5.4GHz (Up to 5.4GHz vs Up to 3.6 GHz)
- Higher Memory Type: DDR5 (DDR5 vs DDR4)
- Newer Launch Date: June 2023 (June 2023 vs March 2021)
- More Total Cores: 48 (12 vs 48)
- Larger L3 Cache: 256 MB (64MB vs 256 MB)
- Newer PCI Express Version: PCIe® 4.0 x128 (PCIe® 5.0 vs PCIe® 4.0 x128)
Basic
AMD
Label Name
AMD
June 2023
Launch Date
March 2021
Desktop
Platform
Server
-
Model Name
?
The Intel processor number is just one of several factors - along with processor brand, system configurations, and system-level benchmarks - to be considered when choosing the right processor for your computing needs.
EPYC 7643
Raphael
Code Name
-
CPU Specifications
12
Total Cores
?
Cores is a hardware term that describes the number of independent central processing units in a single computing component (die or chip).
48
24
Total Threads
?
Where applicable, Intel® Hyper-Threading Technology is only available on Performance-cores.
96
3.7GHz
Basic Frequency
2.3 GHz
Up to 5.4GHz
Max Turbo Frequency
?
Max Turbo Frequency is the maximum single-core frequency at which the processor is capable of operating using Intel® Turbo Boost Technology and, if present, Intel® Turbo Boost Max Technology 3.0 and Intel® Thermal Velocity Boost. Frequency is typically measured in gigahertz (GHz), or billion cycles per second.
Up to 3.6 GHz
768KB
L1 Cache
-
12MB
L2 Cache
-
64MB
L3 Cache
256 MB
AM5
CPU Socket
?
The socket is the component that provides the mechanical and electrical connections between the processor and motherboard.
SP3
No
Unlocked for Overclocking
?
AMD`s product warranty does not cover damages caused by overclocking, even when overclocking is enabled via AMD hardware and/or software. GD-26.
-
TSMC 5nm FinFET
Technology
?
Lithography refers to the semiconductor technology used to manufacture an integrated circuit, and is reported in nanometer (nm), indicative of the size of features built on the semiconductor.
-
65W
TDP
225W
95°C
Max. Operating Temperature
?
Junction Temperature is the maximum temperature allowed at the processor die.
-
PCIe® 5.0
PCI Express Version
?
PCI Express Revision is the supported version of the PCI Express standard. Peripheral Component Interconnect Express (or PCIe) is a high-speed serial computer expansion bus standard for attaching hardware devices to a computer. The different PCI Express versions support different data rates.
PCIe® 4.0 x128
Memory Specifications
DDR5
Memory Type
?
Intel® processors come in four different types: Single Channel, Dual Channel, Triple Channel, and Flex Mode. Maximum supported memory speed may be lower when populating multiple DIMMs per channel on products that support multiple memory channels.
DDR4
2
Memory Channels
?
The number of memory channels refers to the bandwidth operation for real world application.
8
-
Bus Speed
Up to 3200 MT/s
GPU Specifications
AMD Radeon™ Graphics
Integrated Graphics Model
?
An integrated GPU refers to the graphics core that is integrated into the CPU processor. Leveraging the processor's powerful computational capabilities and intelligent power efficiency management, it delivers outstanding graphics performance and a smooth application experience at a lower power consumption.
-
2200 MHz
Graphics Frequency
?
Graphics max dynamic frequency refers to the maximum opportunistic graphics render clock frequency (in MHz) that can be supported using Intel® HD Graphics with Dynamic Frequency feature.
-
2
Graphics Core Count
-
Miscellaneous
Windows 11 - 64-Bit Edition, Windows 10 - 64-Bit Edition, RHEL x86 64-Bit, Ubuntu x86 64-Bit *Operating System (OS) support will vary by manufacturer.
OS Support
-
Benchmarks
Geekbench 6 Single Core
Ryzen 9 PRO 7945
2852
+70%
EPYC 7643
1674
Geekbench 6 Multi Core
Ryzen 9 PRO 7945
15946
EPYC 7643
18236
+14%
Geekbench 5 Single Core
Ryzen 9 PRO 7945
2121
+81%
EPYC 7643
1173
Geekbench 5 Multi Core
Ryzen 9 PRO 7945
16653
+216%
EPYC 7643
5266
Passmark CPU Single Core
Ryzen 9 PRO 7945
4184
+55%
EPYC 7643
2695
Passmark CPU Multi Core
Ryzen 9 PRO 7945
47938
EPYC 7643
76455
+59%
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