Does 4K 120Hz Monitor work with HDMI 2.0 Cable?
Quick compatibility check between 4K 120Hz Monitor and HDMI 2.0 Cable.
Not compatible
HDMI 2.0 cannot sustain 4K120 without heavy compression.
High confidence · Updated August 2026
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4K 120Hz Monitor + HDMI 2.1 Cable →
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Works
No
Confidence
High
Known issues
2 found
Workaround
Not needed
What works & limitations
- 4K at 30Hz without issues
- 4K at 60Hz at reduced color via 4:2:0 chroma subsampling
- 1080p or 1440p at higher refresh rates within bandwidth
- 4K at 120Hz at any color depth exceeds HDMI 2.0 bandwidth of 18Gbps
- 4K HDR at 120Hz is entirely out of scope for HDMI 2.0
Data & storage
Offline play
No — internet required
Results are based on publicly available data and aggregated user reports.
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Results are based on publicly available compatibility information and community feedback.