GTX 660 VS GTX 750 ti VS R7 265

Fu11meta1

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Jul 18, 2013
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Which one is better FOR ME ?
I only want to play high graphic games like GTA 5
Also my PSU is Cooler Master Thunder 450W

My other specs :
i3 3220 3.3GHz
6GB CORSAIR RAM
Gigabyte h61m-hd2 mobo
 
Solution
Solution

Fu11meta1

Honorable
Jul 18, 2013
106
0
10,680


Currently I have only 4GB Corsair Vengeance RAM but i will buy 2GB more thats why i wrote 6GB.
and i cannot buy PSU :/ i don't have enough money . Can you tell me whats the best deal with this PSU ?

WHAT DOES DUAL CHANNEL MEANS ?
 

Fu11meta1

Honorable
Jul 18, 2013
106
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10,680


So suppose if currently i have 4GB corsair vengeance RAM and now i buy 2GB corsair RAM or 4GB Kingston RAM . They don't work with it ?