Blackmagic - Pocket Cinema Camera 6K Pro vs Sony - FX3

These two are evenly matched on the broad strokes, with the decision sitting on which individual spec advantages weigh more for your use.

Pick the Pocket Cinema Camera 6K Pro if you care most about max video. The biggest gaps in its favor are max video.

Pick the FX3 if you care most about sensor size. Its strongest claims are sensor size.

Both ship with comparable optical zoom, xlr input, so those specs don't separate the two — focus on the differences below.

Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity tells you both are well-rounded; the differences are about trade-offs, not quality.