What PSU and CPU should I choose for an RTX 3070 gaming build?

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Asked By MistyCedar42 On

I'm planning a gaming PC in Bulgaria with a budget of around €750, centered around an RTX 3070. I'll mainly play at 1080p, including games such as Spider-Man 2, The Last of Us, GTA V, and potentially GTA VI. I may buy the graphics card and RAM used. For the processor, I'm deciding between the Ryzen 5 5600X and Ryzen 7 5700X, though I'm also considering a 5700X3D or 5800X3D if one is available at a reasonable price. I'm unsure which PSU brands and wattage are reliable and would appreciate advice on what to choose or avoid.

3 Answers

Answered By OrbitLemon7 On

For an RTX 3070, a quality 650W PSU is enough, but 750W gives you more headroom and makes future upgrades easier. Look for a reputable Gold-rated model such as the Corsair RM750e or Seasonic Focus series. The exact model matters more than the logo, so avoid very cheap units from unknown brands.

Answered By QuietMaple19 On

The Ryzen 7 5700X is faster than the 5600X, but the gaming difference usually isn’t huge, especially if you move to a higher resolution. At 1080p, an X3D chip would be the better gaming choice if you can find one without blowing the budget. The 5700X3D is generally the sweet spot; the 5800X3D is still excellent but often costs too much for the performance it adds.

Answered By CopperNoodle6 On

If the 5700X3D is hard to find locally and costs significantly more, the regular 5700X is a perfectly reasonable option. Put the saved money toward a reliable PSU, a decent motherboard, or a larger SSD rather than stretching for the 5800X3D. An 850W Core Reactor 2 is also a solid choice, although it’s more wattage than this system strictly needs.

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