New 80GB PS3 may be sporting 65nm RSX to match 65nm Cell; Behold: Halo Wars box art

We don’t know for sure if Sony downsized the PlayStation 3’s RSX graphics chip to 65nm, matching the already 65nm Cell processor, but we might have some anecdotal evidence from an external source. A forum poster at slickdeals used a Kill-a-watt device to check the power consumption of the 40GB and 80GB models during idle phase, while spinning a DVD and with Metal Gear Solid 4 in the drive, and found a 12-20 watt difference favoring the new 80GB. It’s not enough to say Sony has finally upgraded its RSX graphics chip, but it is interesting to ponder. Now, can someone end this speculation by voiding their 80GB’s warranty and snapping a photo of the guts?

Well, we’ve got a box (from the same team that doodled the Halo 2 and Halo 3 art, no less). That’s a start. Unfortunately, we’re no closer to nailing down a release date for Halo Wars. The “first half of 2009″ is where the date stands.

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• New 80GB PS3 provides minimal power savings, might have 65nm RSX GPU