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AMD Processor
AMD

AMD Ryzen™ 9 PRO 7945

AMD Ryzen™ 9 PRO 7945, up to 5.40 GHz, 12 cores, 64.00 MB cache, 65.00 W TDP

AMD cpu Official Site
Cores Cores
12 Cores
12 Cores
Multitasking and productivity baseline
Max Boost Clock Boost Clock
5.4 GHz
5.40 GHz
Single-core burst performance reference
L3 Cache L3 / Cache
64 MB
64.00 MB
Cache size and access efficiency reference
TDP Power
65 W
65.00 W
Cooling and power planning reference
Specifications

Specifications

Key Specs

37 items
# of CPU Cores 12 Cores
# of Threads 24
AMD EXPO™ Memory Overclocking Technology No
Base Clock 3.70 GHz
Ccd Size 71mm²
CPU Socket AM5
ECC Support Yes (Requires mobo support)
Family Ryzen PRO
Form Factor Desktops,Boxed Processor
Former Codename Raphael
Gpu Cores 2
Gpu Frequency 2200.00 MHz
Gpu Name AMD Radeon™ Graphics
Instruction Set x86-64
L1 Cache 768.00 KB
Launch Date 06/13/2023
Max Memory Speed 2x1R DDR5-5200 2x2R DDR5-5200 4x1R DDR5-3600 4x2R DDR5-3600
Max. Boost Clock 5.40 GHz
Max. Memory 128.00 GB
Max. Operating Temperature (Tjmax) 95.00 °C
Memory Channels 2
Multithreading (SMT) Yes
Name AMD Ryzen™ 9 PRO 7945
PCI Express® Version PCIe® 5.0
PCIe® Lanes 28 , 24
Processor Architecture Zen 4
Processor Technology for CPU Cores TSMC 5nm FinFET
Processor Technology for I/O Die TSMC 6nm FinFET
Series Ryzen PRO 7000 Series
Supported Extensions AES,AMD-V,AVX,AVX2,AVX512,FMA3,MMX-plus,SHA,SSE,SSE2,SSE3,SSE4.1,SSE4.2,SSE4A,SSSE3,x86-64
Supporting Chipsets A620,X670E,X670,B650E,B650,X870E,X870,B840,B850
System Memory Subtype UDIMM
System Memory Type DDR5
TDP 65.00 W
Total L2 Cache 12.00 MB
Total L3 Cache 64.00 MB
Unlocked for Overclocking No
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FAQ

FAQ

What cooler does Ryzen 9 PRO 7945 need, and how do gaming and sustained all-core loads differ? What motherboard suits Ryzen 9 PRO 7945, and how should power delivery, memory, and ports be balanced? How does Ryzen 9 PRO 7945 handle gaming, and how large is the gap versus cheaper models? No NPU on the PRO 7945 — what carries local AI in a commercial desktop? How should the core and thread counts of Ryzen 9 PRO 7945 be understood, and do more cores help in games?