I've had my own troubles on my PC with the ads manager which has a 2070 GPU, i9 processor, and 32GB RAM. so your issue might not even be related to your laptop's specs and could be something to do with where and how the ads manager is hosted through Facebook and the high traffic FB has in general. But to kind of piggyback off everything that was said, if you are looking for performance for having a ton of tabs and other stuff open at once, you would look at your RAM and processor for task functionality. I personally think an i7 7th generation is far better than the 6 generation you are running. Not only is it about a 20% performance increase, its iGPU is much better equipped for media and 4k resolution kinds of things. Now if those things are irrelevant, an i7 6th generation should work fine. As for RAM. 12 GB is probably fine, but going 16GB will free up a lot more of that running memory on your laptop. And if you are doing any photoshop, illustrator, or video editing, having a good graphics card becomes more important. when it comes to higher end graphic stuff, you can get by with a 1060, but I would get one that uses 6GB of VRAM vs the 3GB that are the lower end ones. You can't go wrong with a 1070 though, I personally think that's the best value. 1080 is overkill TBH unless you're also using your computer for gaming on max settings. Hope at least some of this helps you.