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I think I may have bought the wrong PSU

V33DaA

Hey Everyone!

 

First post here, just built my first PC which I am insanely hyped about! Just had a couple of questions so was hoping for some advice on what to do. I planned my PC out on PC part picker, it is Ryzen 5 7600x, 1 tb samsung 980 pro M.2 ssd, Gigabyte Gaming X AX, AMD Radeon RX 6950 XT, 32 GB trident RGB DDR5 RAM, has 2 case fans that came with the case (Phanteks MAGNIUMGEAR NEO Air) and I added a be quiet pure rock 2 as the CPU cooler and an extra exhaust fan. Here is my problem: When I planned my build, PC part picker made my estimate power consumption to 550W so I decided to be safe and get a Cooler master MWE 750W 80 plus gold full modular PSU, but now its been around a month-ish and saw that AMD recommends a 850W PSU for this GPU and i experience stutters sometimes in games running 4k ultra settings (no Ray tracing). I finally decided to check other PSU calculator sites now and they estimate my system to have a consumption to be around 690W and i'm worried about running my PSU at 92% load and that the stutters I mentioned above are due to this. Any advice on what to do right now would be amazing as i don't know if i can use this PSU or need to shell out and get a 850w PSU again since returns won't be possible because I noticed it a month late and been using the system regularly.

 

I would really appreciate any advice on how to approach this.

 

Thanks again!

 

 

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10 minutes ago, V33DaA said:

i'm worried about running my PSU at 92% load and that the stutters I mentioned above are due to this.

Nope. A power supply will not cause stutters in games. The issues you are experiencing with stutters will lie elsewhere, such as background tasks, bugs in the game, etc.

 

Under heavy load the 7600X will draw around 100W and the 6950XT will draw around 350-400W depending on the model. The rest of the system is rather negligible, probably under 50W. Under heavy load you're probably looking around 500-550W power consumption in total for the system. The Cooler Master MWE Gold 750W is a decent power supply and should be suitable for the system.

Power supply calculator websites make money through advertising power supplies and affiliate links, it's their business to recommend people replace their power supply and they often inflate the power consumption of systems.

CPU: Intel i7 6700k  | Motherboard: Gigabyte Z170x Gaming 5 | RAM: 2x16GB 3000MHz Corsair Vengeance LPX | GPU: Gigabyte Aorus GTX 1080ti | PSU: Corsair RM750x (2018) | Case: BeQuiet SilentBase 800 | Cooler: Arctic Freezer 34 eSports | SSD: Samsung 970 Evo 500GB + Samsung 840 500GB + Crucial MX500 2TB | Monitor: Acer Predator XB271HU + Samsung BX2450

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34 minutes ago, V33DaA said:

Hey Everyone!

 

First post here, just built my first PC which I am insanely hyped about! Just had a couple of questions so was hoping for some advice on what to do. I planned my PC out on PC part picker, it is Ryzen 5 7600x, 1 tb samsung 980 pro M.2 ssd, Gigabyte Gaming X AX, AMD Radeon RX 6950 XT, 32 GB trident RGB DDR5 RAM, has 2 case fans that came with the case (Phanteks MAGNIUMGEAR NEO Air) and I added a be quiet pure rock 2 as the CPU cooler and an extra exhaust fan. Here is my problem: When I planned my build, PC part picker made my estimate power consumption to 550W so I decided to be safe and get a Cooler master MWE 750W 80 plus gold full modular PSU, but now its been around a month-ish and saw that AMD recommends a 850W PSU for this GPU and i experience stutters sometimes in games running 4k ultra settings (no Ray tracing). I finally decided to check other PSU calculator sites now and they estimate my system to have a consumption to be around 690W and i'm worried about running my PSU at 92% load and that the stutters I mentioned above are due to this. Any advice on what to do right now would be amazing as i don't know if i can use this PSU or need to shell out and get a 850w PSU again since returns won't be possible because I noticed it a month late and been using the system regularly.

 

I would really appreciate any advice on how to approach this.

 

Thanks again!

 

 

Look at the system in my signature. Peak 730W under Prime95+Furmark, from the wall socket, including the PC, the monitors, and other peripherals.

Your PSU is adequate. But it's not a 4K Ultra system, it's more of a 1440p High system, cause it's a low-end CPU and a mid-range GPU.

 

M.S.C.E. (M.Sc. Computer Engineering), IT specialist in a hospital, 30+ years of gaming, 20+ years of computer enthusiasm, Geek, Trekkie, anime fan

  • Main PC: AMD Ryzen 7 5800X3D - EK AIO 360 D-RGB - Arctic Cooling MX-4 - Asus Prime X570-P - 4x8GB DDR4 3200 HyperX Fury CL16 - Sapphire AMD Radeon 6950XT Nitro+ - 1TB Kingston Fury Renegade - 2TB Kingston Fury Renegade - 512GB ADATA SU800 - 960GB Kingston A400 - Seasonic PX-850 850W  - custom black ATX and EPS cables - Fractal Design Define R5 Blackout - Windows 11 x64 23H2 - 3 Arctic Cooling P14 PWM PST - 5 Arctic Cooling P12 PWM PST
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You're fine with the PSU you have. It's not going to get anywhere those peak calculated loads during gaming. I always advocate for having some headroom "just in case", but your PSU isn't going to cause you issues

 

 

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Okay sweet guess i was stressed for no reason, thank you again for clearing this up for me everyone! I really appreciate it!

 

Glad I decided to ask here first before getting a new PSU 💀

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