When it comes to Identical LapTops;
Then Carrefour is cheaper,
yet that does not mean that Carrefour provides the best choices.[Note: what you buy from them has warrenty].
If you are looking for acertain brand with special specificatins, you might not find it at carrefour...
So what you pay for is what you get according to what you want whether in Jarrir , Carrefour or any other place.
We can say one thing: they both are the most popular and saffest to buy from.
:-)