Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Canon - EOS R1 | Canon - EOS R6 Mark II |
|---|---|---|
| Weight | 1115 g | 670 g |
| Max video | 6K | 4K60 |
Between the EOS R1 and EOS R6 Mark II, the EOS R1 comes out ahead in max video, while the EOS R6 Mark II wins on weight. Overall, the EOS R1 scores 73.5 and the EOS R6 Mark II scores 72.1 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (73.5 vs 72.1). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the EOS R1 if you care most about max video. The biggest gaps in its favor are max video. The single most decisive one: Max video: 6K (vs 4K60).
Pick the EOS R6 Mark II if you carry the device everywhere and weight or thickness has been the deciding factor before. Its strongest claims are weight. The single most decisive one: Weight — 445.00 g less. 670 vs 1115.
Both ship with comparable sensor size, megapixels, in-body stabilization, 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 R1 or Canon - EOS R6 Mark II?
Canon - EOS R1 leads the current Mars Score by 1.4 points.The more useful decision is the trade-off behind that result: compare max video, weight against the way you will actually use the product.
Choose Canon - EOS R1 if…
Canon - EOS R1 has the measurable edge on max video.
Choose Canon - EOS R6 Mark II if…
Canon - EOS R6 Mark II has the measurable edge on weight g.
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 R1 wins
- ▲Max video: 6K (vs 4K60).
Why Canon - EOS R6 Mark II wins
- ▲Weight — 445.00 g less. 670 vs 1115.
Spec comparison
Sensor
| Spec | Canon - EOS R1 | Canon - EOS R6 Mark II |
|---|---|---|
| Sensor sizeⓘ | Full Frame | Full Frame |
| Megapixels | 24 MP | 24 MP |
| Max ISO | 204800lead | 102400 |
Video
| Spec | Canon - EOS R1 | Canon - EOS R6 Mark II |
|---|---|---|
| Max video | 6Klead | 4K60 |
| RAW video | truelead | false |
| Log profileⓘ | true | true |
Autofocus
| Spec | Canon - EOS R1 | Canon - EOS R6 Mark II |
|---|---|---|
| AF pointsⓘ | 1053 | 1053 |
| Eye AFⓘ | true | true |
| In-body stabilizationⓘ | true | true |
Body & Controls
| Spec | Canon - EOS R1 | Canon - EOS R6 Mark II |
|---|---|---|
| Weight | 1115 g | 670 glead |
| Weather sealedⓘ | true | true |
| Dual card slotsⓘ | true | true |