Name
AMD Ryzen™ 9 7900
Family
Ryzen
Series
Ryzen 7000 Series
Form Factor
Desktops , Boxed Processor
Market Segment
Enthusiast Desktop
AMD PRO Technologies
No
Consumer Use
Yes
Regional Availability
Global , China , NA , EMEA , APJ , LATAM
Former Codename
Raphael AM5
Architecture
Zen 4
# of CPU Cores
12
Multithreading (SMT)
Yes
# of Threads
24
Max. Boost Clock
Up to 5.4 GHz
Base Clock
3.7 GHz
L1 Cache
768 KB
L2 Cache
12 MB
L3 Cache
64 MB
Default TDP
65W
Processor Technology for CPU Cores
TSMC 5nm FinFET
Processor Technology for I/O Die
TSMC 6nm FinFET
CPU Compute Die (CCD) Size
71mm²
I/O Die (IOD) Size
122mm²
Package Die Count
3
Unlocked for Overclocking
Yes
AMD EXPO™ Memory Overclocking Technology
Yes
Precision Boost Overdrive
Yes
Curve Optimizer Voltage Offsets
Yes
AMD Ryzen™ Master Support
Yes
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 Prism
Max. Operating Temperature (Tjmax)
95°C
tive USB 3.2 Gen 2 (10Gbps) Ports
4
Native USB 3.2 Gen 1 (5Gbps) Ports
0
Native USB 2.0 (480Mbps) Ports
1
Native SATA Ports
0
PCI Express® Version
PCIe® 5.0
Native PCIe® Lanes (Total/Usable)
28 , 24
Additional Usable PCIe Lanes from Motherboard
NVMe Support
Boot , RAID0 , RAID1 , RAID10
System Memory Type
DDR5
Memory Channels
2
Max. Memory
128 GB
System Memory Subtype
UDIMM
Max Memory Speed