My laptop runs Oblivion pretty good on low settings, how would it fare with FNV?

Here's my laptop specs...

http://www.laptopsdirect.co.uk/Acer_E1-570_15.6__I3_4G_750_DVDR_WIN8.1_NX.MEPEK.022/version.asp?refsource=LDadwords&crtag=LD&gclid=Cj0KEQjw7IWgBRCjv8Cv4vfC3ckBEiQAE7nvR-RmvrlWgjp4xtUHWsJSotEpI84B_2d0yM7qJdQU3_0aAkwv8P8HAQ

I am on a laptop, and it runs New Vegas pretty well except for the lag once-in-a-while.