ati radeon HD 6670 1 GB GDDR5 vs HD 7750 2 GB GDDR3 vs HD 7750 1 GB GDDR3 which is best,second,and worst. im just worried about the ram speed GDDR5 and GDDR3
7750 card is much better than the 6670, even with GDDR3 memory.
GDDR5 version of the 7750 is better again.
You can compare single precision processing power, pixel fillrate and texture fillrate on the following pages (scroll down about one third of the page to the chart): http://en.wikipedia.org/wiki/Radeon_HD_6000_Series
http://en.wikipedia.org/wiki/Radeon_HD_7000_Series
7750 card is much better than the 6670, even with GDDR3 memory.
GDDR5 version of the 7750 is better again.
You can compare single precision processing power, pixel fillrate and texture fillrate on the following pages (scroll down about one third of the page to the chart): http://en.wikipedia.org/wiki/Radeon_HD_6000_Series
http://en.wikipedia.org/wiki/Radeon_HD_7000_Series