: While both are labeled "1080p," a higher-bitrate file (typically labeled as "BluRay REMUX" or from high-tier encode groups) will have significantly more detail than a 1.4GB encode. Better viewing options High-Quality Digital Rent/Buy : You can find the film on platforms like Amazon Video Fandango At Home Physical Blu-ray : The original Detachment Blu-ray
The specific phrase you provided describes a high-definition digital copy of the film: 1080p BluRay x264
Director Tony Kaye uses a mix of animation, interviews, and gritty realism.