SteveGrabowski
Diamond Member
- Oct 20, 2014
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I honestly wouldn't add anything that uses more power without checking on that psu first, be it a 970 or R9 290. If it's anything decent though I would go with the R9 290. Less driver headache for switching the cards, about $80 cheaper, and you'll probably only use 50 more watts at load.
If the psu sucks, that's even more incentive to by AMD, as you'll be able to pick up a 500+ watt 80Plus psu for $50-60, and still won't go much over $300, if at all depending on sales.
If you have the money, the 970 is by no means a bad card. It's just not worth a 25% price premium for what is more or less equal performance depending on the game. Especially considering aftermarket coolers fixed the noise and temperature issues that came with the stock cooler, which also helps to mitigate the power demands.
R9 290's can have really large peak power draws in gaming. The Sapphire Tri-X R9 290 OC was measured by Tom's Hardware to peak at 336W for the card itself in gaming. The Gigabyte Windforce R9 290 peaked at 341W.
http://www.tomshardware.com/reviews/radeon-r9-290-and-290x,3728-4.html
A nice 600W-650W PSU is enough, but say something only delivering 480W on the 12V rail (common for low end 600W PSUs) isn't up to running an aftermarket R9 290 with factory overclock.
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