Graphics Model
AMD Radeon™ Graphics
Graphics Core Count
2
Graphics Frequency
2200 MHz
USB Type-C® DisplayPort™ Alternate Mode
Yes
Name
AMD Ryzen™ 9 PRO 9945
Family
Ryzen PRO
Series
Ryzen PRO 9000 Series
Form Factor
Desktops, Boxed Processor
AMD PRO Technologies
Yes
Regional Availability
Global
Former Codename
Granite Ridge AM5
Processor Architecture
Zen 5
# of CPU Cores
12
Multithreading (SMT)
Yes
# of Threads
24
Max. Boost Clock
Up to 5.4 GHz
Base Clock
3.4 GHz
L1 Cache
960 KB
L2 Cache
12 MB
L3 Cache
64 MB
Default TDP
65W
Processor Technology for CPU Cores
TSMC 4nm FinFET
Processor Technology for I/O Die
TSMC 6nm FinFET
Package Die Count
3
Unlocked for Overclocking
No
AMD EXPO™ Memory Overclocking Technology
No
Precision Boost Overdrive
No
Curve Optimizer Voltage Offsets
No
CPU Socket
AM5
Supporting Chipsets
A620 , X670E , X670 , B650E , B650 , X870E , X870 , B840 , B850
CPU Boost Technology
Precision Boost 2
Instruction Set
x86-64
Supported Extensions
AES , AMD-V , AVX , AVX2 , AVX512 , FMA3 , MMX-plus , SHA , SSE , SSE2 , SSE3 , SSE4.1 , SSE4.2 , SSE4A , SSSE3 , x86-64
Thermal Solution (PIB)
AMD Wraith Stealth
Max. Operating Temperature (Tjmax)
95°C
Launch Date
9/16/2025
*OS Support
Windows 11 - 64-Bit Edition , Windows 10 - 64-Bit Edition , RHEL x86 64-Bit , Ubuntu x86 64-Bit
Native USB 3.2 Gen 2 (10Gbps)
4
Native USB 2.0 (480Mbps)
1
PCI Express® Version
PCIe® 5.0
Native PCIe® Lanes (Total/Usable)
28 , 24
NVMe Support
Boot , RAID0 , RAID1 , RAID5 , RAID10
System Memory Type
DDR5
Memory Channels
2
Max. Memory
192 GB
System Memory Subtype
UDIMM
Max Memory Speed
ECC Support
Yes (Requires mobo support)
https://www.amd.com/en/products/processors/desktops/ryzen-pro/9000-series/amd-ryzen-9-pro-9945.html