Whey protein GYMON, 1 kg or Whey Protein MY PROTEIN GAINER, Vanilla Flavor, 2.5 kg?

Energy 401 kcal 388 kcal
Fat 6,5 g 6,2 g
of which saturates 3,8 g 1,3 g
Carbohydrate 9 g 50 g
of which sugars 3,3 g 2,6 g
Protein 77 g 31,4 g
Salt 0,4 g 0,4 g

Figures from the product labels. Green is the better value.

Whey protein GYMON, 1 kg
B
Whey protein GYMON, 1 kg
401 kcal Fat 6,5 g Carbs 9 g Prot. 77 g
Sat. fat 3,8 g Sugars 3,3 g
1 kg
Whey Protein MY PROTEIN GAINER, Vanilla Flavor, 2.5 kg
A
Whey Protein MY PROTEIN GAINER, Vanilla Flavor, 2.5 kg
388 kcal Fat 6,2 g Carbs 50 g Prot. 31,4 g
Sat. fat 1,3 g Sugars 2,6 g
2,5 kg