6:5 vs 1:1 .... 1.2:1 VS 1:1 ..... For heavy climbing you'd want a lower low on the triple, I think.
That's an old-school triple ... I'd definitely go At least 48-38-28 for flatland .... and if I needed to climb mountains loaded, like Indyfabz, I'd go with MTB gears.
I actually have a 48-38-28 with a 14-34, where the high is too low but the low in never too low. I can haul a loaded bike with 34x32 for a shortish steep hill., but for a real haul ..... to be honest, it hurts even on the shortish steep climbs.