HD4870 vs HD4890 power consumption

Out of these card's which take more power , my HD4870 has died and Sapphire are replacing it with a HD4890 does the HD4890 need a lot more power?
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More about hd4870 hd4890 power consumption
  1. http://www.guru3d.com/article/radeon-hd-4890-review-test/5
    It draws 30W more higher than HD4870 and needs 2x6pin power connector.

    What is your PSU? brand? model?
    Well, HD4890 is faster than HD4870...
  2. True^ 4890 consumes more power, but i think since your PSU handled a 4870 fine, it can handle a 4890 fine without any problems.
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