Sony FX3 vs Sony A7R IVa

Sony FX3

Sony FX3

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Sony A7R IVa

Sony A7R IVa

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Sony FX3 vs Sony A7R IVa

When comparing Sony A7R IVa and Sony FX3, which one is better?

1. Compare lens mount

Both Sony FX3 and Sony A7R IVa have the same lens mount; Sony E. This means that lenses with this mount will fit both cameras.

Winner: Tied

Regarding lens mount: The camera's lens mount determines which type of lenses you can attach to the camera. Popular lens mounts include Canon EF and RF, Nikon Z and F, Sigma L, Micro Four Thirds, and the professional PL mount.

2. Internal Raw Recording



Winner: Tied — Neither have this feature

Regarding internal raw recording: The ability to record raw video internally is found in cameras such as Blackmagic models. It takes up more storage space but is also more flexible afterwards. We don't think internal raw video recording is a requirement.


Specifications

Full specifications table of Sony FX3 and Sony A7R IVa:

Sony FX3 Sony A7R IVa
Sony FX3Sony A7R IVa

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BrandSonySony
YearMissing2021
Weight715 gMissing
Lens MountSony ESony E
Shutter TypeRolling ShutterRolling Shutter
Film Camera or Still CameraCinemaStills
Digital or analogDigitalDigital
Internal Raw RecordingNoNo
StabilizationYesYes
ColourGreyBlack
Resolution12.1 MPMissing
USB StreamingYesMissing
AutofocusPhase Detection Autofocus, Contrast Detection AutofocusPhase Detection Autofocus
Interchangeable lensYesMissing


Camera Verdict

This comparison of Sony FX3 and Sony A7R IVa was last updated on August 14, 2025.