Sparkling drink with sweetener PEPSI MAX, 330ml or Sparkling drink PEPSI MAX, 500 ml?

Energy — 1 kcal
Fat — 0 g
of which saturates — 0 g
Carbohydrate — 0 g
of which sugars — 0 g
Protein — 0 g
Salt — 0,1 g

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

Sparkling drink with sweetener PEPSI MAX, 330ml
Sparkling drink with sweetener PEPSI MAX, 330ml
330 ml
Sparkling drink PEPSI MAX, 500 ml
C
Sparkling drink PEPSI MAX, 500 ml
1 kcal
Sat. fat 0 g Sugars 0 g
500 ml