First review: Sapphire HD 3850 512MB fanless version
PAGE 1: Introduction
PAGE 2: A closer look of Sapphire HD3850 512MB
PAGE 3: closer look part 2
PAGE 4: Test Bed and descriptions
PAGE 5: Temperature and OC test
PAGE 6: HD 3850 512M vs HD 3850 256M
PAGE 7: HD 3870 512M VS HD 3850 512M
PAGE 8: final thoughts
Final thoughts
Both cards are using 512MB memory and 256bit memory interface, but HD 3870 have a better performance. That’s because HD 3870 used GDDR4 and have a higher frequency so the 15% gap is reasonable.What our focusing is that the HD 3850 256MB vs HD 3850 512MB. The Zero HD 3850 256MB and Sapphire HD 3850 512MB have the same frequency so the only difference is their memory. Except they are equal in Half-life2 timedemo , in other items 512MB HD 3850 have a better performance compare to HD 3850 256M. But please notice though in high resolution the 512MB version have advantage, but the FPS is too low to play (not even 30FPS ). So the extra 256MB’s advantage is almost nothing in common use.

If you are going to buy this product, do not trust the fanless design 100%. Because if you did not build a nice chassis with a good air flue, then in the load mode the heat could be a danger.
Sapphire said this card will hit the market in Dec 15. The price is just a few bucks more than a reference card, so if you cares about the noise level and you have a good air flue then this card is a good choice.

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