I'm considering upgrading my setup from a Ryzen 5800X to a newer Intel i7-14700K along with a DDR5 motherboard, mainly because I found a great deal on the CPU. I'm also evaluating the power requirements since my current PSU is 750W. I've heard that the 9070XT can consume around 350W, and the i7-14700K may draw close to 250W, which totals about 600W. Does anyone think that a 750W PSU would suffice for this configuration without risking any issues?
5 Answers
Going with a 750W PSU might be cutting it too close. I'd recommend at least an 850W to ensure stable performance. You don't want to risk system shutdowns or other issues during intense gaming or heavy tasks.
If you're upgrading to the 14700K, consider that it and the 9070XT can pull significant power. A quality 750W could work, but I personally suggest getting a 1000W PSU to avoid any potential problems with power spikes.
I would say minimum 850W for your setup. While it could technically work, you'd be pushing the limits of efficiency. A slightly higher wattage gives you more headroom for any power spikes.
I think you'll be fine if it's a quality PSU. Not many uses can max out both the CPU and GPU simultaneously, but keep in mind the power spikes can catch you off guard.
You might want to look into AMD's 7000 or 9000 series instead of the 14th gen Intel. The 750W PSU can handle the load, but upgrades in performance and power efficiency could be a better investment.
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