i don´t think so
as i see it shukaku is a whole unleashed biju, the one tailed cloak is just a tiny fraction of the whole kyuubi power
i also don´t think that double the tails have double the power, i always thought that the scale is much higher
i think the one tailed naruto is just as strong as gaara when partially transformed in shukaku.however when shukaku comes out as a whole then shukaku owns