GearAtlas
Side by side

Canon EOS R3 vs Canon EOS R5 Mark II

Real-world comparison — specs, sensor size, autofocus, video, ownership reality. Adjust the workflow lens below to see how each body lands for travel, hybrid, wildlife, or studio use.

Body fit

Visual

Kit cost

Estimated

Verdict

Ranked

Canon EOS R3 camera official product image

Canon EOS R3

Full-frame / 620g

$7,644.60
Canon EOS R5 Mark II camera official product image

Canon EOS R5 Mark II

Full-frame / 620g

$5,480

Workflow lens

Workflow rankingtravel

Canon EOS R5 Mark II is the stronger fit for travel and everyday carry.

Canon EOS R5 Mark II leads on video readiness by 28 points.

Canon EOS R5 Mark II leads on value and market timing by 9 points.

Workflow score

1Canon EOS R5 Mark II69
2Canon EOS R363
Open winning profile

Camera size studio

Relative body dimensions

Front, back and top views are drawn from external dimensions so the size relationship stays proportional.

View

Mode

132mm
92mm

Canon EOS R3

Front view / 132 x 92mm

132 x 92 x 72mm

132mm
92mm

Canon EOS R5 Mark II

Front view / 132 x 92mm

132 x 92 x 72mm

Width

Canon EOS R3132mm
Canon EOS R5 Mark II132mm

Height

Canon EOS R392mm
Canon EOS R5 Mark II92mm

Depth

Canon EOS R372mm
Canon EOS R5 Mark II72mm

Weight

Canon EOS R3620g
Canon EOS R5 Mark II620g

External dimensions and carry delta

Canon EOS R3 and Canon EOS R5 Mark II share the same external size profile in the current data model.

Canon EOS R3

132 x 92 x 72mm121cm2 face / 874cm3 body / 620g

Canon EOS R5 Mark II

132 x 92 x 72mm121cm2 face / 874cm3 body / 620g

Class benchmarks

WeightTypical 650g
Canon EOS R3: 620gCanon EOS R5 Mark II: 620g
ThicknessTypical 74mm
Canon EOS R3: 72mmCanon EOS R5 Mark II: 72mm

Sensor comparison

Sensor size to scale

Canon EOS R3Full-frame36×24mm
×1 crop
Canon EOS R5 Mark IIFull-frame36×24mm
×1 crop

All 2 use Full-frame sensors — sensor size is a wash here.

Decision matrix

Scores tuned for travel

Portability
Canon EOS R352
Canon EOS R5 Mark II57
Video
Canon EOS R358
Canon EOS R5 Mark II86
Autofocus
Canon EOS R386
Canon EOS R5 Mark II66
Ecosystem
Canon EOS R374
Canon EOS R5 Mark II74
Resale
Canon EOS R380
Canon EOS R5 Mark II85
Market
Canon EOS R373
Canon EOS R5 Mark II73
Value
Canon EOS R351
Canon EOS R5 Mark II60

Highlighted specs

Only specs that change the decision

Sensor

24MP stacked full-frame

Sensor

45MP stacked full-frame

Burst

30fps

Video

8K/30p

No highlighted counterpart
No highlighted counterpart
No highlighted counterpart
No highlighted counterpart

Community comparison

Owner consensus · not specs

Community comparison appears once owners vote on these products — 6 more votes across the pair will unlock it.

Where to buy

Ready to commit?

Check current pricing and availability from a major retailer. We may earn a commission on purchases through these links — it never changes what we recommend or the price you pay.

Canon

Canon EOS R3

Brand & model search · Amazon CA

Check current price

Canon

Canon EOS R5 Mark II

Brand & model search · Amazon CA

Check current price

Affiliate links earn GearAtlas a small commission at no cost to you. How we use affiliate links.

Common questions

Answers from this comparison

Drawn from the products' specs and category facts — same logic the comparison engine uses for its verdict.

Is the Canon EOS R3 better than the Canon EOS R5 Mark II?

Neither product is universally better — the right answer depends on what you shoot. Walk the use-case verdicts in the comparison studio above to see which body lines up with your specific work.

Is the Canon EOS R3 worth the extra money over the Canon EOS R5 Mark II?

The Canon EOS R3 costs roughly $1,580 more. Whether the premium earns its keep depends on whether you actually use the capabilities it adds. Read the strengths and limitations sections of each product page before committing.

Which is better for travel — the Canon EOS R3 or the Canon EOS R5 Mark II?

For travel, the combination of weight, weather sealing, and lens flexibility matters more than headline specs. The carry-envelope module in the comparison above breaks down the practical kit weight of each body with a normal lens attached.