Buying new gpu... need to know if my psu has enough wattage

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TheNerdySausage

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Oct 20, 2015
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So i'm buying an MSI R9 390 8G and needed to know if the new graphic card uses too much power from psu or not

PSU Model: Cooler Master V2 Elite 500W PSU

System Specs:
Asus M5A78L-M LX V2 Motherboard
AMD FX4300 4 Core 3.8 GHZ Processor
Kingston Hyper X DDR3 1600 Mhz 8GB x 2 (16GB) RAM
Seagate SSHD 1TB HDD
 
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TheFluffyDog

TheFluffyDog

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Oct 22, 2013
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your CPU doesnt "bottleneck" a GPU, both the GPU, and CPU have to work together to spit out frames, because of this the time before a frame hits the screen depends on how long it takes both to finish their respective job. In the majority of games, your GPU limitted, so for most games, your gonna be fine. There will be games where you see performance go down, but most of the reviews done even on Tom's show a small scope of popular games and how the react to system changes. so for your overall gaming purposes your still gonna see a performance increase.
 
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TheFluffyDog

TheFluffyDog

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Oct 22, 2013
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and please if your gonna try to "help" people on a forum make sure you understand how instructions are executed in a computer. For example,
GPU performace and CPU performance are COMPLETELY independent. IT is the game engine that determines how to UTILIZE the computer.

What you are refering to is that in most of your competitive onlone multiplayer games, which are designed specifically to be easier to run than single player RPG's on the graphics side (to ensure the company is making alot of money and keeping new players coming regardless of there PC specs), anyway, most of those games require a High IPC because the instructions are written in such a way that the next step in the calculation is heavily based on the out put of the previous function. Becasue theses games are very popular it has become some weird irrational consensus that this is how games run in general, this is not true in the least bit.

Yes, it is true that Intel is always better, but overall in the gaming scene you'll see that youve got a 50/50 shot of being GPU or CPU limited, and thats if you were already running a card in the 390 class. And the games that are GPU limited are the ones where you can pair an FX-4300 with a 390 and get the same performance as OC'd i5@5.0GHz paired with the same GPU.

since you are just now getting into the 390 class GPU's your ""NEXT"" upgrade could be either or, depending on what you play, until you have a 390, 770, 970, class GPU, your almost always GPU limited. (this is assuming you want to run 1080p at high detail)
 
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TheFluffyDog

TheFluffyDog

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Oct 22, 2013
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And as for the post itself, you'll be coming close to that 500W mark, and infact may have even reached it, it would be in your best interest to upgrade the PSU. However, if you buy a gtx 970, you can run it on the PSU you have easily. and it will actually end up saving you money because you wont have to upgrade anything else
 
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TheFluffyDog

TheFluffyDog

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Oct 22, 2013
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You don't know anything about computers do you. It's not about pairing, your assuming that the CPU and gpu somehow share the same instruction set. Which contradicts the entire reason why we use GPU's, which is to offload only the graphics portion of the game. If the CPU can handle a certain number of frames worth of CPU instructions, that level of performance is constant. It's relative to the game, not the pairing of a GPU to a CPU. You are unfortunately referring to a phenomenon where games rely on IPC. These are case by case performance issues.
 
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sizzling

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Your not telling me anything I dont know already. You are however completely avoiding the reality that a FX4300 paired with a 390 or 970 in a gaming build is pointless. You have latched onto a term which you obviously dont like but the underlying point I was trying to get across explained in simple terms remains 100% correct. If you think otherwise go and build it yourself and see how badly it performs for the money
 
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TheFluffyDog

TheFluffyDog

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Oct 22, 2013
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What I'm saying is if the game is not cpu limited you could game in 4k on 2 titan z's with an fx-4300 and for this persons case he shouldn't worry about having a 4300.
 
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TheFluffyDog

TheFluffyDog

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Whether or not it's the "best" makes no difference when the best compared to the fx is 200fps vs 120 fps. Especially when his monitor is probably only 60Hz. This person can have a nice rig and your going to steer him away. Yes, he could benefit from a cpu upgrade, but he's not asking about that.
 
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