I've recently upgraded my PC from an i7 3770 to an i7 8700, and while my specs include an RTX 2060, 16GB of RAM, and both an SSD and HDD, I'm still using a 450W EVGA power supply that I've had for 7-8 years. Since the upgrade, I haven't seen much of a performance boost, and sometimes the PC shuts down during heavy use or experiences low FPS spikes that don't make sense for what I'm playing. I'm wondering if my PSU is underpowered or degraded and could be affecting performance?
5 Answers
Could you share a diagram or photo of your connections? Sometimes, even if the PSU provides enough power, poor wiring setups can affect performance.
It sounds like your CPU might be overheating due to heat throttling. Are you monitoring temperatures while gaming? You should run a CPU stress test and check those temps!
A 450W unit is usually enough unless it's faulty or significantly aged. If your PSU is working fine, you might look elsewhere for the throttling issues.
Typically, a power supply either works or it doesn't, so it shouldn't throttle components. If it's overloaded, it might just shut off to protect itself. However, if your PSU is old, it could be failing. That's something to keep in mind.
From what I've read, a 450W PSU should be sufficient unless you're overclocking. Your issues might stem from thermal throttling rather than power supply issues. Check your CPU temperatures to be sure.
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