SMALL Cute kitten on a shoulder at 30 pixels width resolution example of quantization noise

Full size 53 × 30 pixels 4K? 1080p? What does it all mean?
SMALL Cute kitten on a shoulder at 30 pixels width resolution example of quantization noise

SMALL Cute kitten on a shoulder at 30 pixels width resolution example of quantization noise

SMALL Cute kitten on a shoulder at 30 pixels width resolution example of quantization noise