Default display problem, moto g show less colors?

when i see this pictures that show very well on samsung display and on my computer display on moto g display shows very bad, specially the red top right angle, ive taken a pic of my phone screen but dont looks good to understand fully what i mean, the red part is not smooth at all, its squared from different block of colors instead having the full gradients colors like in others displays, do your moto g show that pics fine or r u having the same problem?

this is the high res pic
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