AMD Ryzen 7 9800X3D vs AMD Ryzen 9 7900
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Key differences
- •AMD Ryzen 9 7900 has lower Base TDP (65 W vs 120 W)
- •AMD Ryzen 9 7900 has higher Total cores (12 vs 8)
- •AMD Ryzen 9 7900 has higher Performance cores (12 vs 8)
- •AMD Ryzen 9 7900 has higher Threads (24 vs 16)
- •AMD Ryzen 9 7900 has higher L2 cache (12 MB vs 8 MB)
Full spec comparison
Spec
AMD Ryzen 7 9800X3D
AMD Ryzen 9 7900
Performance
Total cores812▲
Performance cores812▲
Efficiency cores00
Threads1624▲
Base clock4.7 GHz▲3.7 GHz
Max boost clock5.2 GHz5.4 GHz▲
L2 cache8 MB12 MB▲
L3 cache96 MB▲64 MB
Process nodeTSMC 4nmTSMC 5nm
Integrated graphicsAMD Radeon Graphics (2 CU)AMD Radeon Graphics (2 CU)
OverclockableYesYes
Platform
SocketAM5AM5
Base TDP120 W65 W▲
Max turbo power162 W142 W▲
Supported memoryDDR5DDR5
Max memory speed5600 MT/s▲5200 MT/s
Max memory capacity256 GB256 GB
Memory channels22
PCIe version5.05.0
PCIe lanes2828