EVGA

650w with 3080

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Bmandi747
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2021/06/14 23:47:15 (permalink)
Is a 650 watt psu enough to game on an evga rtx 3080 ftw3 with an i5 9600k or do I need to upgrade my psu?
#1

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    Red_Infern013
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    Re: 650w with 3080 2021/06/14 23:55:29 (permalink)
    The 9600k OCed to 5Ghz pulls almost 180w while running Prime95 and the 3080 has a TDP of 320w (Assuming you're not gonna OC with the new XOC bios). That's 500w not counting the other components. I'd say it's risky running this configuration on a 650w PSU unless you're extremely careful. 750w minimum is my recommendation.

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    #2
    Bmandi747
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    Re: 650w with 3080 2021/06/15 00:16:07 (permalink)
    If I manage to get a 3080 and don't upgrade my psu, I most likely will not oc my 9600k.
    #3
    FireDragon754
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    Re: 650w with 3080 2021/06/15 00:31:56 (permalink)
    I believe that you need 750 or 850 because the 3080 eats power for breakfast lol
    #4
    aceroccola
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    Re: 650w with 3080 2021/06/15 00:47:06 (permalink)
    General consensus seems to be that 750w is the minimum. I believe that is the recommendation from EVGA as well. 
     
    You might be able to technically run it on a 650w, but you'll be cutting it very close and perhaps asking for some hardware failure. 
    #5
    Stubbies
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    Re: 650w with 3080 2021/06/15 04:27:11 (permalink)
    aceroccola
    General consensus seems to be that 750w is the minimum. I believe that is the recommendation from EVGA as well. 
     
    You might be able to technically run it on a 650w, but you'll be cutting it very close and perhaps asking for some hardware failure. 



    By hardware failure he means the PSU itself.  Running it at it's rated max is bad news even if you can make it work.  That will shorten the lifespan of the PSU.  Hopefully you bought a good quality one if you actually try to run it on that 650 so when it decides to die it doesn't take the mobo with it.
     
    If it exceeds the PSUs ability to power the system it won't hurt the mobo, CPU, or GPU.  It will just crash in some fashion.
    #6
    DrAmerica
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    Re: 650w with 3080 2021/06/16 12:33:03 (permalink)
    When I was first getting into PC gaming I bought a CyberPowerPC (who I later found out was well known for using low-quality PSU's) on sale for an actually good price (maybe $600 for the whole thing, and it had an RX480 in it). After a mere 2 months or so, some smoke came out of the back of the computer. I decided at that point to build my own PC because it was better to know exactly what I was buying than to have to return it for broken parts only 2 months after buying.
     
    Long story short, don't underestimate the importance of a good PSU.
    #7
    trophlin
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    Re: 650w with 3080 2021/06/20 01:10:58 (permalink)
    I've read to select your PSU rating by 20% over your required power draw.
    #8
    rmorse27
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    Re: 650w with 3080 2021/06/20 06:04:40 (permalink)
    always go above the minimum suggestion for future upgrades I would get at least a 850 or above.

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    #9
    andross182
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    Re: 650w with 3080 2021/06/20 12:44:59 (permalink)
    It makes no sense to skimp on a PSU when running top tier hardware like a 3080.
    #10
    Bmandi747
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    Re: 650w with 3080 2021/06/20 15:50:32 (permalink)
    I'm pretty sure my psu is good quality since I bought an enermax revolution D.F 650w 80 plus gold psu.
    #11
    Shikhee
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    Re: 650w with 3080 2021/06/20 16:17:16 (permalink)
    I had an 8600k @ 5ghz + rtx 3080 running on a 620w bronze rated psu from seasonic. It handled it just fine but I've since upgraded that. Now on a 850w gold from seasonic. While you can I would not recommend. 
    #12
    Bmandi747
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    Re: 650w with 3080 2021/06/20 16:20:58 (permalink)
    Well I already have a 650w psu and don't want to buy another unless I really have to since I'll be spending a lot of money on the 3080
    #13
    kevinc313
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    Re: 650w with 3080 2021/06/20 16:23:58 (permalink)
    Bmandi747
    I'm pretty sure my psu is good quality since I bought an enermax revolution D.F 650w 80 plus gold psu.



    I'd usually say 850W minimum for your setup, but there is a chance this unit could be fine under gaming load with no cpu overclock or GPU power limit increase.  The 9600K should be under 100w at gaming load and the 3080 FTW3 is 380w stock.  That Revo DF seems to be a modern, well regarded PSU but not widely used. 
     
    Make sure you use individual cables for each plug on the 3080 and they are solidly installed.  Make sure the PSU fan gets good air flow and isn't clogged by dust on a filter.  Don't be surprised if the system shuts down under load.
    post edited by kevinc313 - 2021/06/20 16:28:18
    #14
    demon09
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    Re: 650w with 3080 2021/06/20 17:23:33 (permalink)
    With a 9600k I'm sure it will be fine. Nvidia recommendeds a 750w and with some of the higher tdp cards 850 may be safer but thats with a 10900k which is far more power hungry then a 9600k
    #15
    Jstandaert
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    Re: 650w with 3080 2021/06/20 20:35:15 (permalink)
    for reference I have a 3090 ftw3 ultra and 6800 and 9700k. I mine when my office gets cold and i pull up to 775 when all fans are kicked up on high. I have a meter in the wall that the PC plugs into. I have an 850 EVGA G3 gold. so I doubt your 3080 will get to 750 full draw. but the question is do you want to make your PSU work almost max anytime you game?

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    #16
    kraade
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    Re: 650w with 3080 2021/06/20 21:39:08 (permalink)
    no way a 3080 FTW 3 is going to run on a 650 unless your favorite game is solitaire , 750 is maybe...850 if you play anything new


    #17
    tattude69
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    Re: 650w with 3080 2021/06/20 22:09:27 (permalink)
    It might work but if you have a problem its completely your fault for ignoring the recommendations. Good way to void your warranty.
    post edited by tattude69 - 2021/06/20 22:11:40


     
      
    #18
    invik
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    Re: 650w with 3080 2021/06/20 23:48:39 (permalink)
    I just happened to have a Seasonic 650w PSU with a oc'ed 8700k and a 3080Ti FTW3 Hybrid.
    The PSU just shutdown on me on my first run of 3dmark. Same in Control.
    I replaced it with a 850w and no problem whatsoever since
    #19
    ShredderZX
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    Re: 650w with 3080 2021/06/21 00:38:34 (permalink)
    It is not wise to do it is like this.. if you get a ferrari to do a 100 kph/miles per hour and then a simple toyota to do 100 kph or miles.. which one do you think is going to stress out more and quicker if that continues?
     
    You guessed it the toyota.. even though they both "can" go a 100 miles per hour it doesnt mean that one of them "should"... so your 3080 with 650w can buuuut, you are stressing out the PSU so i would advise you to buy a 1000w for your 3080 just to make it not stress and have plenty of space to just be at ease when using the GPU to the fullest..
    #20
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