AMD Ryzen 9 7900 vs AMD Ryzen 9 7900X
Affiliate disclosure: As an Amazon Associate, PCTalkTalk Compare earns from qualifying purchases. We may also earn a commission from Newegg and B&H Photo Video links, at no extra cost to you.
Key differences
- •AMD Ryzen 9 7900 has lower Base TDP (65 W vs 170 W)
- •AMD Ryzen 9 7900 has higher Max memory capacity (256 GB vs 128 GB)
- •AMD Ryzen 9 7900 has lower Max turbo power (142 W vs 230 W)
- •AMD Ryzen 9 7900X has higher Base clock (4.7 GHz vs 3.7 GHz)
- •AMD Ryzen 9 7900X has higher Max boost clock (5.6 GHz vs 5.4 GHz)
Full spec comparison
Spec
AMD Ryzen 9 7900
AMD Ryzen 9 7900X
Performance
Total cores1212
Performance cores1212
Efficiency cores00
Threads2424
Base clock3.7 GHz4.7 GHz▲
Max boost clock5.4 GHz5.6 GHz▲
L2 cache12 MB12 MB
L3 cache64 MB64 MB
Process nodeTSMC 5nmTSMC 5nm
Integrated graphicsAMD Radeon Graphics (2 CU)AMD Radeon Graphics (2 CU)
OverclockableYesYes
Platform
SocketAM5AM5
Base TDP65 W▲170 W
Max turbo power142 W▲230 W
Supported memoryDDR5DDR5
Max memory speed5200 MT/s5200 MT/s
Max memory capacity256 GB▲128 GB
Memory channels22
PCIe version5.05.0
PCIe lanes2828