Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Canon - VIXIA HF G70 | Sony - FDR-AX700 |
|---|---|---|
| Optical zoom | 15 | 12 |
Between the VIXIA HF G70 and FDR-AX700, the VIXIA HF G70 comes out ahead in optical zoom, while the FDR-AX700 wins on several specs. Overall, the VIXIA HF G70 scores 66 and the FDR-AX700 scores 62.6 on our Mars Score.
Which should you buy?
The VIXIA HF G70 edges ahead on the Mars Score (66 vs 62.6), but the 3.4-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the VIXIA HF G70 if you care most about optical zoom. The biggest gaps in its favor are optical zoom. The single most decisive one: Optical zoom — 25.00% more. 15 vs 12.
The FDR-AX700 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, sensor size, 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 - VIXIA HF G70 or Sony - FDR-AX700?
Canon - VIXIA HF G70 leads the current Mars Score by 3.4 points.The more useful decision is the trade-off behind that result: compare optical zoom against the way you will actually use the product.
Choose Canon - VIXIA HF G70 if…
Canon - VIXIA HF G70 has the measurable edge on optical zoom.
Choose Sony - FDR-AX700 if…
Sony - FDR-AX700 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 - VIXIA HF G70 wins
- ▲Optical zoom — 25.00% more. 15 vs 12.
Why Sony - FDR-AX700 wins
- No decisive advantages.
Spec comparison
Video
| Spec | Canon - VIXIA HF G70 | Sony - FDR-AX700 |
|---|---|---|
| Max video | 4K30 | 4K30 |
| Optical zoom | 15lead | 12 |
| Sensor sizeⓘ | 1" | 1" |
Audio
| Spec | Canon - VIXIA HF G70 | Sony - FDR-AX700 |
|---|---|---|
| XLR input | false | false |
| Headphone jack | true | true |
Design
| Spec | Canon - VIXIA HF G70 | Sony - FDR-AX700 |
|---|---|---|
| Weight | 725 glead | 934 g |
| Articulating screen | true | true |