I have a method to pick between equally performing products.
Go to Newegg and find the candidates.
Filter on the reviews by verified buyers.
Then look at what percent of the reviews have zero or one eggs indicating some sort of a problem.
In particular, look at the reasons for a bad review. Some are not very valid, so exclude those.
By that method, the gigabyte card should be better.
A quick scan tells me that the EVGA cards are likely to be better than either of your choices:
Here is one:
https://www.newegg.com/Product/Product.aspx?Item=N82E16814487336