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If you are going to get an RTX 5090 in your PC, make sure your PSU is up to spec. You will will require a 1000 watt+ power supply.

 

Ryzen 7 7700x - 105w

RTX 5090 - 575w

+ power from cooler, fans, motherboard/IO, RGB, and anything i forgot about.

 

5090 Power Spec (From: https://www.nvidia.com/en-us/geforce/graphics-cards/50-series/rtx-5090/ > Spec > View Full spec)

image.png.9c0571309a9340766765e11f4b12824d.png

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17 minutes ago, -Ezra said:

If you are going to get an RTX 5090 in your PC, make sure your PSU is up to spec. You will will require a 1000 watt+ power supply.

 

Ryzen 7 7700x - 105w

RTX 5090 - 575w

+ power from cooler, fans, motherboard/IO, RGB, and anything i forgot about.

 

5090 Power Spec (From: https://www.nvidia.com/en-us/geforce/graphics-cards/50-series/rtx-5090/ > Spec > View Full spec)

image.png.9c0571309a9340766765e11f4b12824d.png

No you wont, a solid 850W will be MORE then enough with a 100W CPU. 
Always remember that when Nvidia or AMD say "required" PSU wattage, they are assuming you bought actual trash. Yes OP needs to check their PSU, but they dont need a 1000W one. 

 

 

43 minutes ago, Aritra Roy said:

Hi everyone

I bought a new pc with a ryzen 7 7700x and a rtx 4070. Will I get bottleneck if I paired it with. Rtx 5090 in future?

You already are bottlenecked. You are always bottlenecked, Bottlenecks dont damage anything. There is no such thing as a PC that isn't bottlenecked one way or the other. 

Hell the 9800x3d bottlenecks the 4090 in many situations, even at 4k depending on the game. 

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I agree with @starsmine

 

Also: Don't ask yourself how to keep the Bottleneck small or where one might be.

 

Ask yourself: "Do i get enough fps?"

 

If you play an older shooter and you get a CPU-Bottleneck at 300 fps, because GPU could do 500 fps.. Is that any issue? Do you need more than 300? I think it's plenty.

You could get a weaker Card that can do 250 fps, and voilá, no CPU-Bottleneck (but instead GPU Bottleneck). Is that better now? No CPU-Bottleneck, but still less fps.

 

If GPU is bored, give it more to do. Increase Settings, use DL-DSR or simply be happy that you get plenty fps to enjoy your Game while the GPU doesn't run at full speed. Less than 100% usage means less power consumption, less heat output, slower and quieter Fans.

 

I often use fps-locks with Rivatuner on games where it's enough. 120 on FF14 for example, 90 fps on Yakuza games, even tho i could go all the way up to 144 on my 144 Hz Monitor. Because it's absolutely plenty in that Game for me, and i prefer the Card consuming less Power instead.

On Games like Cyberpunk, Alan Wake 2, etc, i can make it sweat, because i need all the fps with Raytracing 😛

 

As long your 7700X delivers enough fps for you, you're golden. If your GPU could do more: increase visual Quality.

If you need more fps than that, then you need a new CPU regardless of GPU.

 

If there's a Bottleneck or not, or where how much is, is irrelevant because YOU decide that. With Graphic Settings.

 

Trust me on this one thing: If you really want to bring a RTX 5090 down to its Knees, you can bring it down (unless it's a 20 year old game or whatever).

Even on a 1080p Display, you can still use DSR x4.00 which renders in a 4k resolution just to scale down to 1080p

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