Photons to Photos: Sony a7RIV vs a7RIII vs Fujifilm GFX

If you’re looking for high-resolution performance at a reasonable price the Sony a7R lineup is king and it even compares well to large sensor cameras, but the Sony a7RIV isn’t a huge step up over the a7RIII. If Sony is approaching the limits of there technological capabilities with full-frame sensors it might be time for Sony to step up into a 44 x 33 sensor like the Fujifilm GFX has since the senors size has proven to have room to grow.

There are also other high-resolution cameras on the horizon from companies like Canon and Nikon that want to compete with the Sony a7R line too, but for now, Sony has a safe lead. Of course beyond senor performance, Sony also continues to have a substantial lead in AF performance regardless of sensor size, which some might value more than sensor performance.

You can compare PDR performance for yourself at Photos on Photos.

Camera Model Maximum
Low Light
Low Light
Sony a7RIII 11.62 4744 10.57
Sony a7RIII 11.65 5787 10.85
Fujifilm GFX50S 11.90 6241 10.96
Fujifilm GFX100 12.30 10413 11.70

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Sony a7RIII: B&H Photo / Amazon / Adorama
Sony a7RIV:
B&H Photo / Amazon / Adorama

Fujifilm GFX50R: B&H Photo / Amazon / Adorama
Fujifilm GFX 50S:
B&H Photo / Amazon / Adorama

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