ΔE 15.2, loose: different enough that you should pick on purpose. Gal Vorbak Red is a little darker, more saturated, warmer than Mulled Berry.
✓ Army Painter Fanatic conversion chart lists these two as equivalents.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 15). Gal Vorbak Red is a little darker, more saturated, warmer than Mulled Berry.
The same difference applies the other way round: Mulled Berry is a little lighter, more muted, cooler.
ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.
See Mulled Berry on the colour wheel See Gal Vorbak Red on the colour wheel
All matches: Mulled Berry equivalents · Gal Vorbak Red equivalents