AMD Ryzen 7 9700X vs AMD Ryzen 5 7600X
TDP, sustained power draw, transient peaks, overclocking power limits, and PSU wattage impact.
| Specification | AMD Ryzen 7 9700X | AMD Ryzen 5 7600X |
|---|---|---|
| Brand | AMD | AMD |
| Socket | AM5 | AM5 |
| Generation | Zen 5 | Zen 4 |
| Core Count | 8 | 6 |
| Base TDP (PL1) | 65W | 105W |
| Sustained Power (PL2 / All-Core) | 65W | 105W |
| Transient Peak (×1.20 model) | 78W | 126W |
| Overclockable | Limited | Limited |
| MSRP | $299 | $199 |
PSU Wattage Impact
AMD Ryzen 7 9700X adds 78W to your system's transient peak (65W sustained × 1.20 transient factor).AMD Ryzen 5 7600X adds 126W (105W × 1.20).
When pairing with a high-end GPU (RTX 5090: 902W transient peak), the CPU transient adds 78W or 126W respectively.
Frequently Asked Questions
How much power does AMD Ryzen 7 9700X use at full load?
AMD Ryzen 7 9700X draws 65W sustained (PL2 / all-core boost) and can spike to 78W during transient loads. Its base TDP is 65W. For PSU calculations, always use the sustained draw (65W), not the base TDP.
How much power does AMD Ryzen 5 7600X use at full load?
AMD Ryzen 5 7600X draws 105W sustained and peaks at 126W. Base TDP is 105W. Use 105W in your PSU sizing calculation.
Which CPU needs a bigger PSU?
AMD Ryzen 5 7600X requires more PSU wattage with 105W sustained vs 65W. The difference of 40W sustained matters most when combined with a high-end GPU. Use PSUCheck's full PSU calculator to get the total system recommendation.