Will Lightroom benefit from "switchable" NVIDIA NVS 512MB Optimus graphics?

Hi all, I'm about to get a new laptop -- one model includes "switchable" NVIDIA NVS Optimus 512MB graphics, meaning it has both built-in Intel graphics as well as the NVIDIA NVS Optimus 512MB, and can switch between them (to Intel for better battery life, and to NVIDIA for better graphics performance).
My question is: will Lightroom perform noticeably better with the NVIDIA chip vs. the Intel chip? I've seen demos showing considerably improved 3d performance, but I'm not sure if the same performance boost applies to Lightroom graphics.
Thanks kindly for any advice!

TurnstyleNYC wrote:
fwiw, I don't necessarily mind spending more for better performance (the dual graphics is about $100) but I was hoping I could make that decision based on some sort of practical expectation (ie, such as "expect about 15% snappier Lightroom performace").
Because we are discussing a side-effect here, there is no way to come up with a number like this. That is, Lr doesn't really care about how excellent your video adapter is, but the integrated adapter uses system memory, and Lr is memory intensive. So, making sure you have maximum memory freed up for applications is just prudent. But no one can say how this might translate into specific performance issues, or affect apps at all. It depends on what you are doing, and what else is running, and the state of your OS. It's very non-deterministic.
As I said before, with lots of physical memory, all of this might be moot, except in the most extreme circumstances.
Bottom line: Lr will work with pretty much any modern video adapter. Not using integrated graphics means more memory for the system and, therefore, more memory for applications. But whether or not this will make or break your experience is not really deterministic. But more memory headroom is never a bad thing.
Make your decision based on that, not on some (probably made-up, or based on anecdotal evidence) specific application performance projection.

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