Base resolution (300 x 200 px)	Retina resolution (600 x 400 px)
Jpg compression 80 / 21 kb	Jpg compression 31 / 16 kb (75% of base)
Jpg compression 80 / 21 kb	Jpg compression 42 / 21 kb (same size as base)
Jpg compression 80 / 21 kb	Jpg compression 53 / 32 kb (1,5x base size)
Jpg compression 80 / 21 kb	Jpg compression 80 / 68 kb (full retina)

 

Base resolution (300 x 200 px)	Retina resolution (600 x 400 px)
Jpg compression 80 / 17 kb	Jpg compression 35 / 13 kb (75% of base)
Jpg compression 80 / 17 kb	Jpg compression 46 / 17 kb (same size as base)
Jpg compression 80 / 17 kb	Jpg compression 59 / 26 kb (1,5x base size)
Jpg compression 80 / 17 kb	Jpg compression 80 / 47 kb (full retina)

 

Base resolution (300 x 200 px)	Retina resolution (600 x 400 px)
Jpg compression 80 / 18 kb	Jpg compression 25 / 13 kb (75% of base)
Jpg compression 80 / 18 kb	Jpg compression 41 / 18 kb (same size as base)
Jpg compression 80 / 18 kb	Jpg compression 52 / 27 kb (1,5x base size)
Jpg compression 80 / 18 kb	Jpg compression 80 / 55 kb (full retina)

 

Base resolution (300 x 200 px)	Retina resolution (600 x 400 px)
Jpg compression 80 / 13 kb	Jpg compression 25 / 10 kb (75% of base)
Jpg compression 80 / 13 kb	Jpg compression 40 / 13 kb (same size as base)
Jpg compression 80 / 13 kb	Jpg compression 52 / 20 kb (1,5x base size)
Jpg compression 80 / 13 kb	Jpg compression 80 / 39 kb (full retina)

 

Base resolution (300 x 200 px)	Retina resolution (600 x 400 px)
Jpg compression 80 / 14 kb	Jpg compression 6 / 11 kb (75% of base)
Jpg compression 80 / 14 kb	Jpg compression 19 / 14 kb (same size as base)
Jpg compression 80 / 14 kb	Jpg compression 50 / 21 kb (1,5x base size)
Jpg compression 80 / 14 kb	Jpg compression 80 / 35 kb (full retina)