I've left mine in a drawer for several days connected to WiFi with occasional RSS feed synchronization during that time. I have no idea what WiFi chip is in the N800/N810, but it is possible for many of these parts to power down completely while still associated.
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Neither of these terms really mean much in modern designs. It's more precise to refer to ARM, PPC, SPARC, etc. as load-store architectures as this is what differentiates them from x86 most.