I see that you are inquiring for a comparison between the Intel(R) Core(TM) i3 Processor with the Intel® HD Graphics and the GeForce* GT440 video card.
In regards to your inquire, there is no direct way to answer your inquire without having a benchmark between the 2 of them running the same applications that you use so that you can have a response to your question. This sort of information is called benchmarking and we don't provide such information.
I can recommend you to look over the Internet as some web sites will run these sort of tests running benchmarking software or games that will give you a performance idea for both video controllers.
Here you can find some useful information for the video controller inside your processor: