They utilized advanced compression techniques to shrink a 2GB BluRay file down to 450MB without losing the "crisp" feel of 720p.
The physical 4K or standard Blu-ray box sets remain the gold standard for bitrate and "uncompressed" visual fidelity. gameofthroness02e02720pbluray450mbshaanigcom top
To recap the episode you're looking for, "The Night Lands" is a pivotal hour that sets the stage for the rest of the season: They utilized advanced compression techniques to shrink a