Sony FX3 vs Sony A7R IVa

Sony FX3

Sony FX3

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Sony A7R IVa

Sony A7R IVa

Price Check ➔



Sony FX3 vs Sony A7R IVa

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

1. Lens Mount

Both the Sony FX3 and Sony A7R IVa use the same lens mount; the Sony E. This means that you can use the same lenses on both cameras, as long as they cover the full sensor. Full format lenses will work on all cameras with the same mount.

Winner: Tied

2. Internal Raw Video Support

Neither Sony A7R IVa or Sony FX3 features internal raw video recording.

Winner: Tied — Neither have this feature

Regarding internal raw video: The ability to record raw video internally is becoming more and more common in cinema cameras, and this may or may not be an advantage depending on how you shoot. While raw offers the most flexibility, it also requires more powerful editing computers, faster memory cards and more storage.


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
Internal Video Bit Depth10 bitMissing
Dynamic Range13 stopsMissing
Lens MountSony ESony E
Shutter TypeRolling ShutterRolling Shutter
StorageSD UHS-II, SD UHS-I, CFexpress Type ASD UHS-II, SD UHS-I
Wi-FiYesYes
Film Camera or Still CameraCinemaStills
Digital or analogDigitalDigital
BluetoothYesYes
Maximum Video Resolution3840x2160 (4K Ultra HD)3840x2160 (4K Ultra HD)
Sensor Readout Speed8.7 msMissing
Internal Raw VideoNoNo
Sensor Size35.7 x 18.8 mmMissing
StabilizationYesYes
Color Depth14 bitMissing
Built-in ND FilterNoNo
ColorGreyBlack
Resolution (Megapixels)12.1 MPMissing
Crop Factor1xMissing
Streaming over USBYesMissing
Image Output FormatsJPEG, RAW, HEIFMissing
AutofocusPhase Detection Autofocus, Contrast Detection AutofocusPhase Detection Autofocus
Sensor FormatFull FrameFull Frame
External RAW Video RecordingYesMissing
Film Simulation ModeNoMissing


Camera Verdict

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