If they have the exact same specs and one isn't GSync Compatible, then it most likely ships with VRR turned off in the OSD menu (you know, for compatibility reasons), which would prevent it from getting Nvidia's blessing, as I've mentioned twice already.
If these two fictitious monitors are the exact same price (and one doesn't look better to you, or have a height-adjustable stand, or whatnot X-factor), then technically having VRR turned on by default (out of the box) and having Nvidia control panel recognize the monitor and auto-enable VRR could be considered a benefit. But doing those two steps manually is a one-time setting, unless you're constantly disconnecting/reconnecting said monitor to one/multiple systems.