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Quick Answer
A 600W PSU is cutting it close for the RX 7800 XT. AMD recommends a 700W minimum. With a 263W TDP and power spikes up to 310W, a 600W PSU leaves minimal headroom. We recommend 650W minimum or ideally 700W for reliable operation.
AMD's 700W recommendation accounts for high-power CPUs, multiple drives, and power spikes. With an efficient CPU like the Ryzen 5 7600, a 650W PSU works. A 600W unit is technically sufficient but runs at 70% capacity during peaks, leaving minimal headroom for transients.
A quality 600W 80+ Gold PSU from a top brand will likely work. A budget 600W unit may trigger overcurrent protection under peak loads. If you already own a quality 600W PSU, try it before buying new. If buying new, spend the extra $15-20 for 650-700W.
Our Verdict
600W is risky for the RX 7800 XT. We recommend 650W minimum and 700W for comfortable headroom. The small extra cost for a higher wattage PSU is worth the reliability and peace of mind.
Yes, a 550W PSU can run the RTX 4060 Ti 16GB. The 16GB variant has the same 160W TDP as the 8GB model. With a mid-range CPU, total system power is approximately 300-350W, well within a quality 550W PSU's capacity.
Yes, 650W is enough for the RTX 4070 and i5-13400F. This combo draws approximately 350-380W under full gaming load. A quality 650W 80+ Gold PSU provides adequate headroom with 270W to spare for drives, fans, and power spikes.
Yes, 650W is enough for the RX 7700 XT and Ryzen 5 7600. This efficient AMD combo draws approximately 320-370W under gaming load. A quality 650W PSU handles it with over 280W of headroom.