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What PSU would be best for an AMD Vega 56 or GTX 1070?

Hi guys,

So I'm looking to score either a GTX 1070 or an AMD Vega 56 (once better cooled 3rd party brands come out). Hopefully by end of the year. I'm wondering what PSU would best support either card?

And while I'm here, is there anything you guys would recommend changing in my build to go with the GPU upgrade? Thanks!

My build:
NZXT H440 Mid Tower
Gigabyte H170-Gaming 3 Motherboard
Core i5 6600
Kingston HyperX Fury 8GB (2x4GB) 2133MHz DDR4
Asus GTX 750ti OC 2GB
Corsair CX 600 PSU
PNY 480GB SSD
Windows 10 64bit
Asus VG245H 75hz Gaming Monitor (FreeSync)

Also, One of my monitors is going bad (not the ASUS), so I may be looking to snag a new 1440p monitor down the road! Just FYI :)
Reply to steverserrano
11 answers Last reply Best Answer
More about psu amd vega gtx 1070
  1. i use a 650watt just fine, no need to go over board, unless you are thinking of doing SLI builds
    Reply to freercurse
  2. freercurse said:
    i use a 650watt just fine, no need to go over board, unless you are thinking of doing SLI builds


    What kind of PSU is it? You running a 1070 or vega? And nope, I do not plan to SLI.
    Reply to steverserrano
  3. i run a corsair v650s run it for heavy gaming hours a day had it for a couple of years and found no problems, not much expandability to it, but it does what i need it to do.
    here is a great resource when looking for PSU's :http://www.tomshardware.co.uk/forum/id-2547993/psu-tier-list.html
    oh and i run an i7 7700k and a asus 1070 strix
    Reply to freercurse
  4. 550w of a good PSU is more than enough. I suggest a Seasonic Focus, EVGA G2, EVGA G3, Corsair RMX, or BITFENIX Whisper, which are all great quality.

    These two are currently cheaper: https://pcpartpicker.com/products/compare/CZvZxr,bkp323/
    Reply to Rexper
  5. Best answer
    Depends on your budget and the card you choose. While the 1070 draws around 150w region typically, the Vega on the other hand draws somewhere around the 250w to 300w region depending on load.
    Since you have a locked cpu, all the components combined, if you include a 1070, it should not draw more than 350w to 400w. So a decent 450w and upwards should suffice. But with the Vega, a decent 550w and upwards should be good.
    Now depending on the card, you should typically look for the required wattage among the following variants...
    Corsair CXM/RMX
    Seasonic S12II/M12II/FOCUS
    EVGA G2/G3/P2

    Use these as loose reference...
    https://linustechtips.com/main/topic/631048-psu-tier-list-updated/
    http://www.tomshardware.com/forum/id-2547993/psu-tier-list.html
    Reply to Hellfire13
  6. Hellfire13 said:
    Depends on your budget and the card you choose. While the 1070 draws around 150w region typically, the Vega on the other hand draws somewhere around the 250w to 300w region depending on load.
    Since you have a locked cpu, all the components combined, if you include a 1070, it should not draw more than 350w to 400w. So a decent 450w and upwards should suffice. But with the Vega, a decent 550w and upwards should be good.
    Now depending on the card, you should typically look for the required wattage among the following variants...
    Corsair CXM/RMX
    Seasonic S12II/M12II/FOCUS
    EVGA G2/G3/P2

    Use these as loose reference...
    https://linustechtips.com/main/topic/631048-psu-tier-list-updated/
    http://www.tomshardware.com/forum/id-2547993/psu-tier-list.html


    Hm, interesting. OK, so if that is the case why not stick with the CX 600 that I currently have? Will I have to worry about temps?
    Reply to steverserrano
  7. CX is a mediocre unit with cheap internals like mosfets and hsf. Although the wattage is enough, I wont trust my brand new high end card on it, as I have seen how defective psus can take out other components at times.
    Reply to Hellfire13
  8. Also that CX600 is the old version, which is worse than mediocre. Get one like suggested by Rexper above.
    Reply to Kasper Jorgensen
  9. Hellfire13 said:
    CX is a mediocre unit with cheap internals like mosfets and hsf. Although the wattage is enough, I wont trust my brand new high end card on it, as I have seen how defective psus can take out other components at times.


    I see. So How about the Seasonic FOCUS Plus Series SSR-650FX (since they dont make a 600W)?
    Reply to steverserrano
  10. steverserrano said:
    Hellfire13 said:
    CX is a mediocre unit with cheap internals like mosfets and hsf. Although the wattage is enough, I wont trust my brand new high end card on it, as I have seen how defective psus can take out other components at times.


    I see. So How about the Seasonic FOCUS Plus Series SSR-650FX (since they dont make a 600W)?


    Yes, that is a good PSU.
    Reply to Kasper Jorgensen
  11. steverserrano said:
    Hellfire13 said:
    CX is a mediocre unit with cheap internals like mosfets and hsf. Although the wattage is enough, I wont trust my brand new high end card on it, as I have seen how defective psus can take out other components at times.


    I see. So How about the Seasonic FOCUS Plus Series SSR-650FX (since they dont make a 600W)?


    Thats a good unit as i have suggested in the post above. You should get that.
    Reply to Hellfire13
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