Minimum amount of video card memory needed for maxed 1080p gaming?

I'm looking for the minimum amount of graphics memory needed for maximum-settings 1080p gaming. The memory will be GDDR5. If the processor is an i7 2670QM or 2760QM, what would you say the maximum Crysis 2 or any of the latest games would use? (Also, this is for laptops, not desktops. Will that matter?)
From this forum post:
It would seem like the minimum amount is 1GB, but no one said so explicitly.

Thanks all!
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More about minimum amount video card memory needed maxed 1080p gaming
  1. Agree with that, 1GB.
  2. 1gb or more.
  3. Best answer
    for gaming, the main strength depends on the gpu. the better the gpu, the better it will be at utilizing gfx components e.g. it's vram.
    even for laptops, 1 gb gddr5 dedicated vram would be minimum for good 1080p gaming. make sure the laptop can handle the heat the gpu will dissipate. use a laptop cooler if necessary.
    as for crysis 2, google 'crysis 2 benchmark for core i7 2xxxqm with <your gfx card name>'
    and search tom's gfx card/laptop/video games forums.
    gaming gfx card hierarchy chart (includes mobile chips):,3085-7.html
  4. Best answer selected by oamasood.
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