for igpu based gaming, amd a10 7850k is much better than core if 4440. but the way 7850k is priced right now, you should be able to buy cpu+ discreet gfx card and get higher gaming performance.
flipkart says "coming soon". do you already have a price? how much is it?
http://www.flipkart.com/amd-4-ghz-fm2-a-series-accelerated-processor-unit-a10-7850k/p/itmdthg25zftyqty?pid=PSRDTHHZFUKM6BS2&srno=b_14&ref=94888af6-f28b-4609-8b14-c507ded4e9bc