Which power supply should I buy

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mrscrewu

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May 17, 2015
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Hi, I am planning on buying an evga 970 gtx, or r9 380 (which one do you recommend?), and I have an Intel i5 6600k, ddr3l 8gb, mother gigabyte socket 1151 (don't remember the exact model), water cooler corsair h100i gtx, and ssd Samsung 850 evo.
I wanted to know which power supply is suitable for me? Do I need to buy a gold or silver rated one, or just bronze is ok? Of how many watts does it have to be? I was told by a friend to buy one that says pc-active or something like that is this true? Regards
 
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Karadjgne
Yes the zotac 980 is decent. As to wattage for a psu, for your setup, generally a top quality 550w is acceptable. If you have any designs for overclocking, it is accepted practice to add another 100w, so you'd be looking at a 650w psu. As to an exact one, that'll depend on your location.

As for bronze/silver/gold, those are not honestly pertinent to most applications. What they are is a voluntary certificate of efficiency. Gold units should be more efficient than a Bronze unit but under normal usage over 1 week this equates to roughly the same amount of power used by a light bulb for an hour. Realistically, there are several bronze rated units that are much better than others rated gold or even platinum. The Evga B2 or Seasonic...
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Karadjgne

Karadjgne

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Yes the zotac 980 is decent. As to wattage for a psu, for your setup, generally a top quality 550w is acceptable. If you have any designs for overclocking, it is accepted practice to add another 100w, so you'd be looking at a 650w psu. As to an exact one, that'll depend on your location.

As for bronze/silver/gold, those are not honestly pertinent to most applications. What they are is a voluntary certificate of efficiency. Gold units should be more efficient than a Bronze unit but under normal usage over 1 week this equates to roughly the same amount of power used by a light bulb for an hour. Realistically, there are several bronze rated units that are much better than others rated gold or even platinum. The Evga B2 or Seasonic s/m12-II or Antec HCG being a couple.

If you look in my signature is a list of psus. For the quality of your build, you should be looking at tier1 or tier2 units. Exactly which will depend on your location and budget, but 650w will be good or even a 750w Evga B2, depending on sales.
 
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mrscrewu

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May 17, 2015
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Thank you, it was a great explanation. What can you tell me about ati? Are their graphic cards good too? There is some big difference in prices of the msi r9 380 and the zotac one. Is the msi much more inferior than the zotac one?
And what is that tier thing? I've looked up on google but didn't find anything
 
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Hawkshot

Hawkshot

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get the GTX 970, this has a much lower power draw and better performance than the r9 380, as stated before its way closer in performance to the r9 390 than the 380, also if you get the GTX970 you can get a good 550W PSU to run that system, I currently have an i5-6600k and R9 290X and I use a EVGA 650W G2 and its amazing, ive overclocked both CPU and GPU and this power supply is more than enough :)
 
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Karadjgne

Karadjgne

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ATI was bought out years ago by AMD. As far as differences go, realistically there's very little difference between a nvidia gtx970 and an AMD r9 390, although benchmarks will tell you different. Some games the 970 does a little better, some the 390 does better. On average, at 1080p they are equitable to everyone except the nit-pickie. As far as physical differences go, apart from general looks, the 2 cards are night and day, so are physically impossible to accurately assess by clock speeds and bandwidth and all the other ways a gpu works. They do things entirely differently, to end up with the same result, a picture on your screen.

Gtx 960 - r9 380
Gtx 970 - r9 390
Gtx 980 - r9 390x
Gtx 980ti - r9 fury
Gtx titan X - r9 fury X

Rough equivalents
 
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