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Sapphire HD7790 1G GDDR5 DUAL-X OC VERSION vs Hd 7770 ghz oc Edition

Tags:
  • Performance
  • Dual
  • Sapphire
  • HD
  • Graphics
Last response: in Graphics & Displays
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December 25, 2013 9:05:57 AM

which one Performance is better ? i heard hd 7790 vram is no efficient. both will run in 420W?

More about : sapphire hd7790 gddr5 dual version 7770 ghz edition

December 25, 2013 9:13:26 AM

Both GPU needs 6/8 pin supplementary power connectors from PSU. Do your PSU have it ? And what is the make/model of PSU ?
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December 25, 2013 9:17:15 AM

My psu is thermaltake tr2 420np
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December 25, 2013 10:07:12 AM

No, that's not a trusted unit. Replacing it would be better. Do your PSU has a 6 pin connector ? If yes, than go with HD7790 better in performance.
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