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HDMI 2.1 vs 2.0 Bandwidth, FRL Lanes & Video Resolution Compatibility Calculator

Calculate required video transmission bandwidth (Gbps), TMDS vs FRL signaling mode, chroma subsampling limits (4:4:4 vs 4:2:0), 10-bit HDR overhead, and DSC compression status.Documentation & FAQs ↓

HDMI 2.1 vs 2.0 Bandwidth, FRL & Resolution Compatibility Matrix — Interactive Console
Runs locally in your browser • Instant output
Required Bandwidth34.34Gbps transmission rate
HDMI StandardHDMI 2.1 (48 Gbps FRL)Minimum port spec
Cable CertificationUltra High Speed HDMI (48 Gbps)Certified cable logo
DSC CompressionUncompressedRaw uncompressed pixel bus

Step-by-Step Instructions

4 Steps to Completion
1Phase 1

Select or input your target resolution (e.g., 1080p, 1440p, 4K UHD 3840x2160, or 8K 7680x4320).

2Phase 2

Choose your refresh rate (60Hz, 120Hz, 144Hz, or 240Hz) and color depth (8-bit SDR, 10-bit HDR, or 12-bit Dolby Vision).

3Phase 3

Select your desired chroma format (RGB / 4:4:4 uncompressed, 4:2:2, or 4:2:0 subsampled).

4Phase 4

Inspect total required bandwidth in Gbps, compatible HDMI version, required cable rating, and DSC status.

Practical Use Cases & Real-World Scenarios

Gaming Console (PS5/Xbox Series X) 4K 120Hz Setup
Verify if your AV receiver, HDMI switcher, or soundbar passthrough supports the 32 to 40 Gbps required for uncompressed 4K 120Hz HDR.
PC Graphics Card to OLED TV Connection
Determine if an RTX 40/50 series GPU can output native 4K 144Hz 10-bit RGB 4:4:4 without triggering visual subsampling artifacts.
Troubleshooting Black Screen Flickering & Audio Drops
Identify whether an inferior 18 Gbps HDMI cable is bottlenecking high refresh rate HDR content causing signal dropouts.
Related Editorial Guide on AnshuTechy10 Best HDMI Switchers for Console Flexibility in 2026
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100% free, private in-browser utility with zero server uploads.