Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Blackmagic - PYXIS 6K | Sony - FDR-AX700 |
|---|---|---|
| XLR input | true | false |
| Max video | 6K | 4K30 |
| Sensor size | Full Frame | 1" |
| Optical zoom | 0 | 12 |
Between the PYXIS 6K and FDR-AX700, the PYXIS 6K comes out ahead in xlr input / max video, while the FDR-AX700 wins on optical zoom. Overall, the PYXIS 6K scores 65.7 and the FDR-AX700 scores 62.6 on our Mars Score.
Which should you buy?
The PYXIS 6K edges ahead on the Mars Score (65.7 vs 62.6), but the 3.1-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the PYXIS 6K if you care most about xlr input / max video. The biggest gaps in its favor are xlr input, max video, sensor size. The single most decisive one: Has XLR input.
Pick the FDR-AX700 if you care most about optical zoom. Its strongest claims are optical zoom. The single most decisive one: Optical zoom: 12 vs 0.
There are no meaningful ties on the headline specs — every popular-comparison metric has a winner.
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: Blackmagic - PYXIS 6K or Sony - FDR-AX700?
Blackmagic - PYXIS 6K leads the current Mars Score by 3.1 points.The more useful decision is the trade-off behind that result: compare max video, optical zoom, sensor size against the way you will actually use the product.
Choose Blackmagic - PYXIS 6K if…
Blackmagic - PYXIS 6K has the measurable edge on has xlr input, max video, sensor size.
Choose Sony - FDR-AX700 if…
Sony - FDR-AX700 has the measurable edge on optical zoom.
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 Blackmagic - PYXIS 6K wins
- ▲Has XLR input.
- ▲Max video: 6K (vs 4K30).
- ▲Sensor size: Full Frame (vs 1").
Why Sony - FDR-AX700 wins
- ▲Optical zoom: 12 vs 0.
Spec comparison
Video
| Spec | Blackmagic - PYXIS 6K | Sony - FDR-AX700 |
|---|---|---|
| Max video | 6Klead | 4K30 |
| Optical zoom | 0 | 12lead |
| Sensor sizeⓘ | Full Framelead | 1" |
Audio
| Spec | Blackmagic - PYXIS 6K | Sony - FDR-AX700 |
|---|---|---|
| XLR input | truelead | false |
| Headphone jack | true | true |
Design
| Spec | Blackmagic - PYXIS 6K | Sony - FDR-AX700 |
|---|---|---|
| Weight | 907 glead | 934 g |
| Articulating screen | false | truelead |