Is My 650W PSU Enough for a New GPU and CPU?

May 15, 2025 5 answers
Asked by GamerDude98
Hey everyone! I've been using a Corsair TX650M for about six years now, and I'm about to upgrade my setup with a new GPU (most likely a 7700 XT or something equivalent) and a 5700X3D processor. Given that my PSU is getting old and the power demands are increasing, I'm a bit worried it might not be enough. What do you all think?

Answers

OverclockerKyle
Youโ€™ve got plenty of headroom with a 650W PSU for your rig!
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TechieTom123
A 650W power supply is actually more than enough for a 7700XT and a 5700X3D. The TX650M is a reliable unit, and you're still under warranty, so no need to stress!

PowerPlay23: Totally agree! Iโ€™ve had a TX550M and a TX750M, and they're some of the best semi-modular PSUs out there.

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UpgradeGenius
I recommend an upgrade to at least 750W with an 80+ gold rating. It would give you more breathing space!

BudgetBuilder99: Iโ€™m looking at the SeaSonic FOCUS GX myself. Iโ€™d love to get the PRIME, but itโ€™s a bit too pricey for me right now. Iโ€™ve heard great things about SeaSonic!

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FutureProofed
Even though AMD suggests a 700W PSU, a 650W should work well for you. Since yours is still under warranty, you might consider upgrading to an 850W or 1000W PSU later on. Right now, the NZXT C850 is a decent choice in the UK for around 100 quid.
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StellarSavvy
The TX650M is a top-notch 650W PSU, and it should handle your setup just fine. The GPU pulls under 250W, while the CPU consumes less than 120W, and the rest of your components wonโ€™t likely exceed around 100W. Long story short, youโ€™re looking at a max draw of about 400W in real-world situations, so youโ€™re good!
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