Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Canon - EOS R5 C | Panasonic - Lumix GH7 |
|---|---|---|
| Sensor size | Full Frame | Four Thirds |
Between the EOS R5 C and Lumix GH7, the EOS R5 C comes out ahead in sensor size, while the Lumix GH7 wins on several specs. Overall, the EOS R5 C scores 71 and the Lumix GH7 scores 70.8 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (71 vs 70.8). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the EOS R5 C if you care most about sensor size. The biggest gaps in its favor are sensor size. The single most decisive one: Sensor size: Full Frame (vs Four Thirds).
The Lumix GH7 similarly does not carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable max video, optical zoom, xlr input, so those specs do not 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 says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: Canon - EOS R5 C or Panasonic - Lumix GH7?
Canon - EOS R5 C leads the current Mars Score by 0.2 points.The more useful decision is the trade-off behind that result: compare sensor size against the way you will actually use the product.
Choose Canon - EOS R5 C if…
Canon - EOS R5 C has the measurable edge on sensor size.
Choose Panasonic - Lumix GH7 if…
Panasonic - Lumix GH7 does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
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 Canon - EOS R5 C wins
- ▲Sensor size: Full Frame (vs Four Thirds).
Why Panasonic - Lumix GH7 wins
- No decisive advantages.
Spec comparison
Video
| Spec | Canon - EOS R5 C | Panasonic - Lumix GH7 |
|---|---|---|
| Max video | 8K | 8K |
| Optical zoom | 0 | 0 |
| Sensor sizeⓘ | Full Framelead | Four Thirds |
Audio
| Spec | Canon - EOS R5 C | Panasonic - Lumix GH7 |
|---|---|---|
| XLR input | true | true |
| Headphone jack | true | true |
Design
| Spec | Canon - EOS R5 C | Panasonic - Lumix GH7 |
|---|---|---|
| Weight | 770 glead | 805 g |
| Articulating screen | true | true |