Not the same.

Purple kale and purple cabbage is actually the difference is that they are different varieties, because the shape of purple kale your family's firm, the middle of the meridian part of the thicker, while the purple cabbage is more rounded, but also very firm, moisture, so the two he is actually from the whole of the morphology of the whole are completely different.

Purple cabbage form

Purple cabbage leaf blade ovoid or nearly round, color purple red or dark green, leaf veins purple-red, leaf flesh thick, leaf surface smooth, covered with gray-white wax powder. The leaf ball is firm, flat, round or highly rounded. Purple kale plant to develop the degree of 50 cm or so, about 20 pieces of outer leaves, leaves nearly round, about 33 cm long, about 30 cm wide, purple-red, slightly green near the leaf veins, deep red midrib, leaf surface white powder, leaf ball flat round, about 12 cm high, about 20 cm in diameter, purple-red glossy, the leaf ball weighs 1.5 ~ 2 kg.