← The Codec
Reference Sheet

Video format cheat sheet: resolutions, frame rates, codecs


Every format question answered in one place. No explanations, no history — just the numbers. Bookmark this, print it, pin it above your desk.

Common output resolutions

Name Pixels Ratio Typical use
HD / 1080p1920 × 108016:9Club, small stage, broadcast
2K DCI2048 × 1080~17:9Cinema, film output
WQHD2560 × 144016:9High-res preview monitors
UHD 4K3840 × 216016:9LED walls, arena, stadium
4K DCI4096 × 2160~17:9High-end broadcast, Disguise
CustomvariesvariesMapped surfaces, wraps, floors

Frame rates — which and when

FPS Region Notes
25 / 50Europe, UK, AUMatches 50Hz mains — no flicker with practicals
30 / 60US, JP, KRMatches 60Hz mains
24Film / CinemaAvoid for live — motion judder on most displays
48High-frame filmRare — HFR cinema and some broadcast
120High-speed LEDSpecific LED processors only — confirm spec first

Codec quick reference

Codec Decode Alpha File size Verdict
HAPGPUMediumDefault for live
HAP AlphaGPUMedium+Transparency layers
HAP QGPULargeHigher quality, mapping
NotchLCGPULargeBest quality, needs install
Apple ProResCPU✓ (4444)Very largeEditing only
H.264CPUSmallAvoid live
H.265 / HEVCCPUSmallAvoid live

HDMI vs DisplayPort vs SDI

Interface Max distance Max res Notes
HDMI 2.0~5m passive4K@60Consumer standard. Use active cables beyond 5m.
HDMI 2.1~3m passive8K@60 / 4K@120High bandwidth. Short passive runs only.
DisplayPort 1.4~3m passive8K@60Preferred for desktop/pro monitors. Latches lock.
SDI (3G)100m+ coax1080p@60Touring standard. Robust. Requires capture card.
12G-SDI100m+ coax4K@60Broadcast and high-end touring.

Colour space cheat sheet

Space White point Gamma Use case
sRGBD652.2Web, general purpose
Rec.709D652.4Broadcast HD — VJ default
DCI-P3D632.6Cinema projectors
Display P3D652.2Apple displays — wider than sRGB
Rec.2020D65PQ / HLGHDR broadcast and future LED

← Back to The Codec