Sony
Alpha 1
Original 50MP stacked flagship for sports and wildlife pros.
$6,499
Launch priceReleased Jan 2021
Sony
Alpha 9 III
Global shutter sports flagship with 120fps and zero rolling shutter for pro action.
$5,999
Launch priceReleased Jan 2024
Alpha 9 III is 3 years newer.
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Wins
Alpha 1
Wins
Alpha 9 III
8 categories tied
Which would you choose?
TL;DR — Key differences
- AAlpha 1 has higher Burst (mechanical) (10 fps vs 0 fps)
- BAlpha 9 III has higher Burst (electronic) (120 fps vs 30 fps)
- BAlpha 9 III has higher Max video bit rate (600 Mbps vs 150 Mbps)
- AAlpha 1 has lower ISO min (native) (100 vs 250)
- AAlpha 1 has higher Resolution (50.1 MP vs 24.6 MP)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
Alpha 1
129 × 97 × 81 mm
737 g (1.62 lb / 26.00 oz)
Credit card
85.6 × 54 mm
for scale
Alpha 9 III
136 × 97 × 83 mm
703 g (1.55 lb / 24.80 oz)
Alpha 1 is 7mm narrower and 2mm thinner than Alpha 9 III.
Alpha 1 is 34 g heavier than Alpha 9 III.
Depth (front-to-back): 81mm Alpha 1 · 83mm Alpha 9 III
Back view, to scale
Width × Height — same proportions as the front of the body.
Alpha 1
129 × 97 mm
Credit card
85.6 × 54 mm
Alpha 9 III
136 × 97 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
Alpha 1
129 × 81 mm
Credit card
85.6 × 54 mm
Alpha 9 III
136 × 83 mm
Sensor size, to scale
Alpha 1
35.9 × 24 mm · Full Frame
862 mm² area
Alpha 9 III
35.6 × 23.8 mm · Full Frame
847 mm² area
Lens ecosystem
Native lens selection
Alpha 1
✓ more lensesSony E
350+
native lenses available
Alpha 9 III
✓ more lensesSony E
350+
native lenses available
Counts include current first-party and major third-party native autofocus lenses.
Use-case scoring
Which one for what?
Algorithmic scores from verified specs · 10 = best in class
Why pick one over the other
Reasons to choose
Alpha 1
Burst (mechanical)
10 fps vs 0 fps — higher is better
Dimensions (W×H×D mm)
Adds 128.9, 80.8
ISO min (native)
100 vs 250 — lower is better
Resolution
50.1 MP vs 24.6 MP — higher is better
Battery life (CIPA)
530 shots vs 400 shots — higher is better
ISO max (native)
32,000 vs 25,600 — higher is better
Reasons to choose
Alpha 9 III
AF low-light limit
-5 EV vs -4 EV — lower is better
Burst (electronic)
120 fps vs 30 fps — higher is better
Max video bit rate
600 Mbps vs 150 Mbps — higher is better
Dimensions (W×H×D mm)
Adds 136.1, 82.9
Subject recognition
Adds Insect, Car/Train, Airplane
Pre-Capture / Pre-Release
Only Alpha 9 III supports it
IBIS effectiveness
8 stops vs 5.5 stops — higher is better
Weight
703 g vs 737 g — lower is better
Both cameras share
- ✓AA filter — Both support aa filter
- ✓AF points / zones — Both 759
- ✓AF frame coverage — Both 94 %
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓RAW buffer depth — Both 200 frames
Pros & cons at a glance
Editorially curated highlights and trade-offs.
Alpha 1
Pros
- ✓50MP stacked
- ✓30fps burst
- ✓8K video
- ✓Pro AF
Cons
- –Superseded by A1 II
- –Very expensive
- –Large files
Alpha 9 III
Pros
- ✓Global shutter 120fps
- ✓Zero rolling shutter
- ✓Pro sports AF
- ✓Pre-capture buffer
Cons
- –24.6MP only
- –Premium price
- –Battery drain at max speed
Decided which one is right for you?
Compare live prices for the Alpha 1 and Alpha 9 III at major authorized retailers.
Sony Alpha 1
Sony Alpha 9 III
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, Alpha 1 or Alpha 9 III?
Alpha 9 III scores 10.0/10 versus 8.0/10 for Alpha 1 — 120fps burst — pro-level action capture.
What's the resolution difference between the Alpha 1 and Alpha 9 III?
Alpha 1 is 50.1 MP and Alpha 9 III is 24.6 MP, so the Alpha 1 captures more detail for cropping and large prints.
Do the Alpha 1 and Alpha 9 III have in-body image stabilization?
Alpha 1 has 5.5-stop in-body image stabilization, while Alpha 9 III has 8-stop in-body image stabilization.
Which shoots faster bursts — the Alpha 1 or the Alpha 9 III?
Alpha 1 reaches 30 fps electronic. Alpha 9 III reaches 120 fps electronic.
What's the weight difference between the Alpha 1 and Alpha 9 III?
Alpha 1 weighs 737 g and Alpha 9 III weighs 703 g, so the Alpha 9 III is 34 g lighter.
Do the Alpha 1 and Alpha 9 III record 4K video?
Alpha 1: 8K (max), 4K up to 120p. Alpha 9 III: 4K up to 120p.
Are the Alpha 1 and Alpha 9 III weather sealed?
Alpha 1: Yes. Alpha 9 III: Yes.
Which has better battery life?
Rated battery life is 530 shots (CIPA) for the Alpha 1 and 400 shots for the Alpha 9 III, giving the Alpha 1 the edge.
How much does each cost?
Alpha 1 launched at $6,499 and Alpha 9 III at $5,999. The Alpha 9 III is $500 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way Alpha 1 vs Alpha 9 III vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.
Product images courtesy of Sony press materials.