Between the Lumix GH7 and FX3, the Lumix GH7 comes out ahead in max video, while the FX3 wins on sensor size. Overall, the Lumix GH7 scores 35 and the FX3 scores 35 on our Mars Score.
Which should you buy?
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 Lumix GH7 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.
Why Panasonic - Lumix GH7 wins
- ▲Max video: 8K (vs 4K120).
Why Sony - FX3 wins
- ▲Sensor size: Full Frame (vs Four Thirds).
Spec comparison
Video
| Spec | Panasonic - Lumix GH7 | Sony - FX3 |
|---|---|---|
| Max video | 8Klead | 4K120 |
| Optical zoom | 0 | 0 |
| Sensor sizeⓘ | Four Thirds | Full Framelead |
Audio
| Spec | Panasonic - Lumix GH7 | Sony - FX3 |
|---|---|---|
| XLR input | true | true |
| Headphone jack | true | true |
Design
| Spec | Panasonic - Lumix GH7 | Sony - FX3 |
|---|---|---|
| Weight | 805 g | 715 glead |
| Articulating screen | true | true |
Frequently asked
Spec-level deep dives
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