AMD Ryzen 9 9900 vs AMD Ryzen 9 9900X
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Key differences
- •AMD Ryzen 9 9900 has lower Base TDP (65 W vs 120 W)
- •AMD Ryzen 9 9900 has lower Max turbo power (142 W vs 162 W)
- •AMD Ryzen 9 9900X has higher Base clock (4.4 GHz vs 4 GHz)
- •AMD Ryzen 9 9900X has higher Max boost clock (5.6 GHz vs 5.4 GHz)
Full spec comparison
Spec
AMD Ryzen 9 9900
AMD Ryzen 9 9900X
Performance
Total cores1212
Performance cores1212
Efficiency cores00
Threads2424
Base clock4 GHz4.4 GHz▲
Max boost clock5.4 GHz5.6 GHz▲
L2 cache12 MB12 MB
L3 cache64 MB64 MB
Process nodeTSMC 4nmTSMC 4nm
Integrated graphicsAMD Radeon Graphics (2 CU)AMD Radeon Graphics (2 CU)
OverclockableYesYes
Platform
SocketAM5AM5
Base TDP65 W▲120 W
Max turbo power142 W▲162 W
Supported memoryDDR5DDR5
Max memory speed5600 MT/s5600 MT/s
Max memory capacity256 GB256 GB
Memory channels22
PCIe version5.05.0
PCIe lanes2828