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Side by side

Sony A1 vs Sony A7S III

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

Sony α1 — front view

Sony A1

Full-frame / 620g

$8,281.65
Sony A7S III camera official product image

Sony A7S III

Full-frame / 620g

$4,459.35

Workflow lens

Workflow rankingtravel

Sony A7S III is the stronger fit for travel and everyday carry.

Sony A7S III leads on video readiness by 22 points.

Sony A7S III leads on value and market timing by 16 points.

Workflow score

1Sony A7S III70
2Sony A166
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

Sony A1

Front view / 132 x 92mm

132 x 92 x 72mm

132mm
92mm

Sony A7S III

Front view / 132 x 92mm

132 x 92 x 72mm

Width

Sony A1132mm
Sony A7S III132mm

Height

Sony A192mm
Sony A7S III92mm

Depth

Sony A172mm
Sony A7S III72mm

Weight

Sony A1620g
Sony A7S III620g

External dimensions and carry delta

Sony A1 and Sony A7S III share the same external size profile in the current data model.

Sony A1

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

Sony A7S III

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

Class benchmarks

WeightTypical 650g
Sony A1: 620gSony A7S III: 620g
ThicknessTypical 74mm
Sony A1: 72mmSony A7S III: 72mm

Sensor comparison

Sensor size to scale

Sony A1Full-frame36×24mm
×1 crop
Sony A7S IIIFull-frame36×24mm
×1 crop

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

Decision matrix

Scores tuned for travel

Portability
Sony A152
Sony A7S III57
Video
Sony A160
Sony A7S III82
Autofocus
Sony A166
Sony A7S III58
Ecosystem
Sony A194
Sony A7S III94
Resale
Sony A186
Sony A7S III80
Market
Sony A173
Sony A7S III73
Value
Sony A148
Sony A7S III64

Highlighted specs

Only specs that change the decision

Sensor

50MP stacked full-frame

Sensor

12.1MP full-frame BSI

Burst

30fps

Video

4K/120p 10-bit

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

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Sony

Sony A1

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Sony

Sony A7S III

Brand & model search · Amazon CA

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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 Sony A1 better than the Sony A7S III?

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 Sony A1 worth the extra money over the Sony A7S III?

The Sony A1 costs roughly $2,790 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 Sony A1 or the Sony A7S III?

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.