Founders Edition graphics cards are generally expensive than the third party graphics cards. They also have the less overclocking capability because their heatsink and fan is not designed for that. The main advantage of Founders Edition cooling is that its heasink and fan (blower fan) is designed to push the hot air out from the backside of the card rather than keeping it in the case.
Compatible with Aftermarket Coolers
Less room for Overclocking
3rd party graphics cards are generally cheaper than the Founders Edition cards having the same GPU and provides better performance. Only the cards that comes with liquid cooling are a bit expensive than the Founders Edition cards.
Various choices available
Good Overclocking Potential
Some are bigger in size