To understand why BRrip is superior, you have to look at the source.
| Format | Source | File Size (2hr movie) | Video Quality | Audio Quality | | :--- | :--- | :--- | :--- | :--- | | | Raw Blu-ray Disc | 25GB – 50GB | Lossless (Perfect) | Lossless (DTS-HD / TrueHD) | | BDRip | Raw Blu-ray Disc | 8GB – 15GB | Near-lossless | High-bitrate AC3 / DTS | | BRRip | Pre-encoded BDRip | 1.5GB – 4GB | Good (visible compression) | Moderate (AAC / AC3) | | Web-DL | Streaming services (Netflix, iTunes) | 3GB – 10GB | Very Good (transparent) | Good (E-AC3) | brrip movies
