Can I crossfire the same card but of different memory?

Cenx

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Apr 15, 2014
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I have an VTX 3D Radeon HD 5450 1GB version and I was going to buy the 2GB version, if I did, could I be able to crossfire the two cards?
 
Solution
Yes you can but the 2gb card will only use 1gb of vram and will downclock if it has higher base clock frequency to the slower card.