I don't know what that means, but I was referring to this thread:
https://forums.macrumors.com/threads/2016-macbook-pro-15-will-be-a-lagfest-in-parallels.2012812/
I was wondering if the old or the new MBP 15" will run games better.
I am the OP of that thread. What I meant was that integrated GPU in the new model is twice as slow as 2015 model.
Integrated GPU is used for general computing tasks such as safari, scrolling and everything else that's not games and not GPU intensive.
Games will actually use the dedicated GPU and depending on which model you pick you may get the same or better performance in the new model.
The base 2016 model which comes with Radeon 450 actually has about the same performance (or slightly worse) than 2015 model's Radeon M370X. Obviously Radeon 455 and 460 will be faster, but you have to pay more for them.
Here is the comparison of dedicated GPU performance of 2016 and 2015 models:
Radeon M370X inside 2015 Macbook Pro 15" :
1024 GFLOPS
Radeon Pro 450 inside 2016 Macbook Pro 15" base :
992 GFLOPS
Radeon Pro 455 inside 2016 Macbook Pro 15" :
1305 GFLOPS
Radeon Pro 460 inside 2016 Macbook Pro 15" :
1800 GFLOPS
Here is the comparison of integrated GPU performance of 2016 and 2015 models:
New 2016 MBP 15" model uses Intel HD 530 which has performance of
441.6 GFLOPS
2015 MBP 15" model uses Iris Pro Graphics 5200 which has performance of
832 GFLOPS.
In other words if you are picking a 2016 model with Radeon 450, then you will be getting much worse GPU performance all around (both integrated and dedicated) than 2015 model.
This is the first time ever, when Apple actually downgraded integrated GPU by such a drastic number.