Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Panasonic - Lumix GH7 | Sony - FX30 |
|---|---|---|
| XLR input | true | false |
| Max video | 8K | 4K120 |
| Sensor size | Four Thirds | APS-C |
Between the Lumix GH7 and FX30, the Lumix GH7 comes out ahead in xlr input / max video, while the FX30 wins on sensor size. Overall, the Lumix GH7 scores 70.8 and the FX30 scores 63.8 on our Mars Score.
Which should you buy?
The Lumix GH7 edges ahead on the Mars Score (70.8 vs 63.8), but the 7.0-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Lumix GH7 if you care most about xlr input / max video. The biggest gaps in its favor are xlr input, max video. The single most decisive one: Has XLR input.
Pick the FX30 if you care most about sensor size. Its strongest claims are sensor size. The single most decisive one: Sensor size: APS-C (vs Four Thirds).
Both ship with comparable optical zoom, so those specs do not separate the two — focus on the differences below.
Bottom line: the Lumix GH7 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Which should you buy: Panasonic - Lumix GH7 or Sony - FX30?
Panasonic - Lumix GH7 leads the current Mars Score by 7.0 points.The more useful decision is the trade-off behind that result: compare max video, sensor size against the way you will actually use the product.
Choose Panasonic - Lumix GH7 if…
Panasonic - Lumix GH7 has the measurable edge on has xlr input, max video.
Choose Sony - FX30 if…
Sony - FX30 has the measurable edge on sensor size.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Panasonic - Lumix GH7 wins
- ▲Has XLR input.
- ▲Max video: 8K (vs 4K120).
Why Sony - FX30 wins
- ▲Sensor size: APS-C (vs Four Thirds).
Spec comparison
Video
| Spec | Panasonic - Lumix GH7 | Sony - FX30 |
|---|---|---|
| Max video | 8Klead | 4K120 |
| Optical zoom | 0 | 0 |
| Sensor sizeⓘ | Four Thirds | APS-Clead |
Audio
| Spec | Panasonic - Lumix GH7 | Sony - FX30 |
|---|---|---|
| XLR input | truelead | false |
| Headphone jack | true | true |
Design
| Spec | Panasonic - Lumix GH7 | Sony - FX30 |
|---|---|---|
| Weight | 805 g | 646 glead |
| Articulating screen | true | true |