Is a 650-Watt Power Supply Enough for My Build?

December 5, 2025 3 answers
Asked by TechLover93
I'm planning a PC build with a 7800 XT graphics card and a Ryzen 5 5600X processor, primarily for gaming at 1080p on ultra settings. Do you think a 650-watt power supply will be sufficient for this setup?

Answers

GamerGuy42
Yeah, a 650-watt PSU should work, but it's cutting it a bit close. If you're looking to buy new, I'd suggest going for 850 watts just to be safe.
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HardwareWhiz
Definitely enough! Just make sure your PSU is decent grade. Even at peak performance, your system wonโ€™t likely go over 500 watts, so 650 watts gives you plenty of extra capacity.
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PowerNerd88
You'll be fine with 650 watts as long as you have a high-quality power supply. Under heavy load, that setup is likely to draw around 450 watts, possibly 500, so youโ€™ve got some headroom there.
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