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Head-to-head

Fujifilm - GFX 100 II vs Sony - α7 IV

Last updated · How Mars Score works
GFX 100 IIFUJIFILMRENDER
Probe A
Fujifilm
GFX 100 II
95.0/ 100S
Sensor95· 35%
Video—· 25%
Autofocus—· 20%
Body & Controls—· 20%
α7 IVSONYRENDER
Probe B
Sony
α7 IV
52.8/ 100D
Sensor53· 35%
Video—· 25%
Autofocus—· 20%
Body & Controls—· 20%
Quick verdict

Between the GFX 100 II and α7 IV, the GFX 100 II comes out ahead in megapixels and sensor size, while the α7 IV wins on weight and af points. Overall, the GFX 100 II scores 95 and the α7 IV scores 52.8 on our Mars Score.

Buying advice

Which should you buy?

The GFX 100 II is the clear pick on raw spec strength, leading by 42.2 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.

Pick the GFX 100 II if you care most about megapixels and sensor size. The biggest gaps in its favor are megapixels, sensor size, max video.

Pick the α7 IV if you carry the device everywhere and weight or thickness has been the deciding factor before. Its strongest claims are weight, af points.

Both ship with comparable in-body stabilization, log profile, so those specs don't separate the two — focus on the differences below.

Bottom line: the GFX 100 II is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.

Why Fujifilm - GFX 100 II wins

  • ▲Megapixels — 209.09% more. 102 MP vs 33 MP.
  • ▲Sensor size: Medium Format (vs Full Frame).
  • ▲Max video: 8K (vs 4K60).

Why Sony - α7 IV wins

  • ▲Weight — 372.00 g less. 658 vs 1030.
  • ▲AF points — 78.59% more. 759 vs 425.
Full readout

Spec comparison

Sensor

SpecFujifilm - GFX 100 IISony - α7 IV
Sensor sizeⓘMedium FormatleadFull Frame
Megapixels102 MPlead33 MP
Max ISO1280051200lead

Video

SpecFujifilm - GFX 100 IISony - α7 IV
Max video8Klead4K60
RAW videotrueleadfalse
Log profileⓘtruetrue

Autofocus

SpecFujifilm - GFX 100 IISony - α7 IV
AF pointsⓘ425759lead
Eye AFⓘtruetrue
In-body stabilizationⓘtruetrue

Body & Controls

SpecFujifilm - GFX 100 IISony - α7 IV
Weight1030 g658 glead
Weather sealedⓘtruetrue
Dual card slotsⓘtruetrue
Drill down

Spec-level deep dives

Sensor size→Megapixels→Max ISO→Max video→RAW video→Log profile→AF points→Eye AF→In-body stabilization→Weight→Weather sealed→Dual card slots→
By manufacturer

More from the same brands

Fujifilm →4
Sony →4

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