You really don't have any case to show then so be it.
Despite utilizing higher-detailed character models, fitting the 16:9 widescreen aspect ratio, and running at 480p resolution – all hefty boosts over previous Nintendo titles that involved this much on-screen intensity –Brawl managed to run at 60fps even before it was cool. There are a few compromises in background detail to achieve this – just take a look at the Bridge of Eldin level for a good example – but by and large the game manages to look impressive despite running at a smooth-as-silk pace