Unlike a "transcode" or "WEB-DL" (a direct download from a streaming source), a REMUX retains the original bitrate. It is, for all intents and purposes, the physical disc, minus the physical plastic.
Before you delete your Netflix account, understand the costs: 4k remux movies
| Format | Video Quality | File Size (for ~2hr movie) | Key Characteristics | | :--- | :--- | :--- | :--- | | | Reference / Perfect | 50GB – 90GB | Bit-for-bit identical to the disc. Uncompressed audio. No quality loss. | | 4K Blu-ray Disc | Reference / Perfect | 50GB – 100GB | The source. Requires a disc player. Identical quality to REMUX. | | 4K Web-DL | Very Good | 15GB – 30GB | Sourced from streaming (Netflix, Apple, Amazon). Lower bitrate, sometimes different color grading. | | 4K Re-encode (x265) | Good to Excellent | 10GB – 40GB | A REMUX that has been compressed. Size vs. quality trade-off. Quality varies wildly by encoder skill. | | 1080p Blu-ray | Good (but not 4K) | 20GB – 40GB | Half the resolution. No HDR. Often better than a poorly compressed 4K file. | Unlike a "transcode" or "WEB-DL" (a direct download
