4KFilmDb · UHD Reference
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What this is
Streaming Reference answers one question: how good does this 4K title look and sound on each streaming service? Every verdict is a composite score measuring HDR quality, bitrate, resolution, colour gamut and audio (service-normalised against each platform's own baseline). The same bitrate can produce different verdicts on Netflix vs Paramount+ because the bar is different on each service. Real measurements, not marketing claims.

Data is captured at a point in time. Titles no longer available are shown at reduced opacity for reference. Availability is tracked primarily for the US region, titles marked as having left a service may still be available in your region.

Use ⌥ Smart Presets above to browse curated filter combinations or save your own · verdict, service, format and region filters all captured in one tap.

Verdict scale
Stream ReferenceThe best streaming has to offer · confirmed HDR + Atmos · demo-worthy
Strong StreamExcellent delivery · strong HDR and audio performance
Good StreamSolid stream · where most of the 4K catalogue honestly lands
Weak StreamCompromised delivery · below average for the service
Poor StreamPoor delivery · treat with caution
SDR titles are scored on their merits and flagged.
How scores work
Every verdict is computed from five sub-scores: HDR Impact, Bitrate Health, Resolution Integrity, Colour Gamut and Audio Immersion. Bitrate is service-normalised, the same Mbps scores differently on Netflix vs Paramount+ because each service has a different delivery baseline. Scores are pre-computed and refreshed nightly.

PRO members see each sub-score, a confidence rating reflecting data completeness and scoring notes flagging any adjustments made, such as conservative resolution scoring when DI status is unverified.
Service baselines
Median bitrate across all titles captured in the 4KFilmDb database.
Apple TV+ 26 · HBO Max 21 · Prime Video 19 · Netflix 16 · Stan 16 · Disney+ 15 · Paramount+ 12 Mbps
PRO members
Unlock the full verdict breakdown: HDR Impact, Bitrate Health, Resolution Integrity, Colour Gamut and Audio Immersion sub-scores showing exactly how each stream was scored. Also includes confidence rating, scoring notes explaining any adjustments made, all captured metrics (peak brightness, average brightness, avg bitrate, frame rate, Native 4K, colour gamut) and disc-vs-stream comparisons.

Coming next for PRO: genre & year filters and preset alerts.

About the curator
Built and maintained by an ISF-certified display calibrator and home cinema enthusiast. Data is hand-captured and verified, not scraped.

UHD Reference · aggregated 4K Blu-ray transfer scores.
My Library · personal 4K disc collection tracker.
Advanced filters coming for PRO members · Native 4K, BT.2020, bitrate range and more.
Built by one person, for the community
No ads. No sponsors. Community support keeps it updated and expanding.
Join the discussion on r/4kfilmdb