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gtx 780 vs ati 7990 which one is better?

Gigabyte gtx 780 windforce oc edition vs sapphire 7990 ?
Also, How much power does these cards need?
Thank you
5 answers Last reply Best Answer
More about gtx 780 ati 7990
  1. The 7990 is the better card. Both will work great but the 7990 is going to be a little better. The card itself under load will use up to 500 watts. Should have at least a 750 watt power supply for it.
  2. 7990 isn't a good choice right now, neither is the 780, arguably. Give it two weeks, buy the 290X, faster than the 7990 and only uses 1 GPU.
  3. Best answer
    Performance wise the 7990 is better than the 780. However, the 7990 is loud and is way too hot to work properly (you may need liquid cooling to make a 7990 work properly). Also the 7990 is two 7970 video cards fused into 1. This means that you have to deal with crossfire issues like microstutter. 7990 requires a 750W power supply. GTX 780 requires a 600W power supply.

    I recommend the GTX780 if you're thinking of buying.
  4. I would wait for the 290X. A titan killer for $600 c'mon? don't know if its more powerful than 2 7970's but its damn up there. AMD's new drivers are excellent with CF systems. I would know. \/
  5. cookybiscuit said:
    7990 isn't a good choice right now, neither is the 780, arguably. Give it two weeks, buy the 290X, faster than the 7990 and only uses 1 GPU.


    If you are going to post help in forums, at least use facts and not speculation.
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