Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Canon - EOS R5 Mark II | Panasonic - Lumix S5 II |
|---|---|---|
| Megapixels | 45 MP | 24 MP |
| AF points | 1053 | 779 |
| Weight | 746 g | 740 g |
| Max video | 8K | 6K |
Between the EOS R5 Mark II and Lumix S5 II, the EOS R5 Mark II comes out ahead in megapixels / af points, while the Lumix S5 II wins on weight. Overall, the EOS R5 Mark II scores 81.8 and the Lumix S5 II scores 74.4 on our Mars Score.
Which should you buy?
The EOS R5 Mark II edges ahead on the Mars Score (81.8 vs 74.4), but the 7.4-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the EOS R5 Mark II if you care most about megapixels / af points. The biggest gaps in its favor are megapixels, af points, max video. The single most decisive one: Megapixels — 87.50% more. 45 MP vs 24 MP.
Pick the Lumix S5 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 — 6.00 g less. 740 vs 746.
Both ship with comparable sensor size, in-body stabilization, log profile, so those specs do not separate the two — focus on the differences below.
Bottom line: the EOS R5 Mark II 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: Canon - EOS R5 Mark II or Panasonic - Lumix S5 II?
Canon - EOS R5 Mark II leads the current Mars Score by 7.4 points.The more useful decision is the trade-off behind that result: compare megapixels, max video, weight against the way you will actually use the product.
Choose Canon - EOS R5 Mark II if…
Canon - EOS R5 Mark II has the measurable edge on megapixels, af points, max video.
Choose Panasonic - Lumix S5 II if…
Panasonic - Lumix S5 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 R5 Mark II wins
- ▲Megapixels — 87.50% more. 45 MP vs 24 MP.
- ▲AF points — 35.17% more. 1053 vs 779.
- ▲Max video: 8K (vs 6K).
Why Panasonic - Lumix S5 II wins
- ▲Weight — 6.00 g less. 740 vs 746.
Spec comparison
Sensor
| Spec | Canon - EOS R5 Mark II | Panasonic - Lumix S5 II |
|---|---|---|
| Sensor sizeⓘ | Full Frame | Full Frame |
| Megapixels | 45 MPlead | 24 MP |
| Max ISO | 102400lead | 51200 |
Video
| Spec | Canon - EOS R5 Mark II | Panasonic - Lumix S5 II |
|---|---|---|
| Max video | 8Klead | 6K |
| RAW video | truelead | false |
| Log profileⓘ | true | true |
Autofocus
| Spec | Canon - EOS R5 Mark II | Panasonic - Lumix S5 II |
|---|---|---|
| AF pointsⓘ | 1053lead | 779 |
| Eye AFⓘ | true | true |
| In-body stabilizationⓘ | true | true |
Body & Controls
| Spec | Canon - EOS R5 Mark II | Panasonic - Lumix S5 II |
|---|---|---|
| Weight | 746 g | 740 glead |
| Weather sealedⓘ | true | true |
| Dual card slotsⓘ | true | true |