The F1 is an excellent general purpose stalking / outdoors knife, strong, takes and holds an excellent edge. I can split the ribcage of a fallow or sika easily with mine, would not be without it.
The Frost clipper is a decent little cheap knife, basically disposable.
The F1 blade is a bit deep for doing the back passage on a Munty, probably on a Roe also (never did a Roe). The Frost would be ideal for that I am sure.
Tell the truth, I carry one of each, the F1 on my belt, the frost in the bag as a back-up. Never used the Frost yet though.