Bit depth and banding
The colour depth of processing or display, often given as '1.07 billion colours' (10-bit).
- Unit
- bit
- Standard
- ISO/IEC 21118 ('number of colours')
- ISO 21118
- ISO 21118 optional
How to compare it
Bit depth / 'number of colours'(bit)
Weak signal. Panel or DMD effective depth and processing quality (banding) matter, and reviews catch banding.
Marketing traps
- Bit depth / 'number of colours': '1.07 billion colours' usually describes the input or processing path. DLP reaches its grey levels by dithering.
Across the catalogue
Bit depth / 'number of colours'
3 of 24 projectors list itHighest
- BenQ TK710STi30 bit
- BenQ W580030 bit
- BenQ X3100i30 bit
Deep cut
Bit depth / 'number of colours'. Rec.709 SDR is 8-bit in most delivery; HDR10 is 10-bit; Dolby Vision allows 12-bit. 10-bit HDR at 4K60 4:4:4 won't fit in 18 Gbps HDMI (see inputs).