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Video

Video bandwidth

Resolution + refresh + chroma + bit depth → link rate, and what it fits on.

Uncompressed rate from the full raster (CEA-861 / CVT-RB timing, not just active pixels), TMDS character rate for HDMI ≤ 2.0, FRL and DisplayPort coding overhead, and a fits-on list across HDMI, DP, SDI and Ethernet. Compressed transports (SDVoE, JPEG XS, NDI, H.264/H.265) shown as honest typical bitrate ranges.

inputs
Uncompressed rate (full raster)
17.82Gbps
Pixel clock 594.00 MHz (CEA-861) × 30 bits/px
TMDS character rate 742.5 MHz · FRL link 20.05 Gbps
fits on
  • noHDMI 1.4 (TMDS, 10.2 Gbps)≤ 340 MHz character rate742.5 MHz · 22.27 Gbps link
  • noHDMI 2.0 (TMDS, 18 Gbps)≤ 600 MHz character rate742.5 MHz · 22.27 Gbps link
  • yesHDMI 2.1 FRL 24G21.3 Gbps payload (16b/18b)needs 20.05 Gbps link · DSC could still carry it
  • yesHDMI 2.1 FRL 32G28.4 Gbps payload (16b/18b)needs 20.05 Gbps link · DSC could still carry it
  • yesHDMI 2.1 FRL 40G35.6 Gbps payload (16b/18b)needs 20.05 Gbps link · DSC could still carry it
  • yesHDMI 2.1 FRL 48G42.7 Gbps payload (16b/18b)needs 20.05 Gbps link · DSC could still carry it
  • yesDisplayPort 1.4 HBR325.92 Gbps payload (8b/10b)
  • yesDisplayPort 2.1 UHBR2077.4 Gbps payload (128b/132b)
  • no3G-SDI2.97 Gbps full rastercheck SDI level / mapping for this format
  • no6G-SDI5.94 Gbps full rastercheck SDI level / mapping for this format
  • no12G-SDI11.88 Gbps full rastercheck SDI level / mapping for this format
  • no1 GbE~0.95 Gbps usable
  • no10 GbE~9.5 Gbps usable
  • yes25 GbE~23.5 Gbps usable

▸ Pixel-exact. The full-raster rate below is what the link has to clock out.

HDMI ≤ 2.0 is limited by TMDS character rate, so 10/12-bit 4:4:4 costs 1.25×/1.5× the clock. HDMI 2.1 FRL and DP carry the payload with 16b/18b or 128b/132b coding; DSC 1.2a can compress ~3:1 to fit formats that exceed the link (8K60 4:4:4, 4K120 10-bit).