Sony
Alpha 1
Original 50MP stacked flagship for sports and wildlife pros.
$6,499
Launch priceReleased Jan 2021
Sony
Alpha 7 III
Classic 24MP hybrid that defined the modern full-frame value proposition.
$1,999
Launch priceReleased Feb 2018
Alpha 1 is 2.9 years newer.
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Wins
Alpha 1
Wins
Alpha 7 III
4 categories tied
Which would you choose?
TL;DR — Key differences
- AAlpha 1 has higher 4K max frame rate (120 fps vs 30 fps)
- AAlpha 1 has higher EVF resolution (9,437,184 vs 2,359,296)
- AAlpha 1 has higher Burst (electronic) (30 fps vs 10 fps)
- AAlpha 1 has higher RAW buffer depth (200 frames vs 89 frames)
- AAlpha 1 has higher Resolution (50.1 MP vs 24.2 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 7 III
127 × 96 × 74 mm
650 g (1.43 lb / 22.93 oz)
Alpha 1 is 2mm wider, 1mm taller, and 7mm thicker than Alpha 7 III.
Alpha 1 is 87 g heavier than Alpha 7 III.
Depth (front-to-back): 81mm Alpha 1 · 74mm Alpha 7 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 7 III
127 × 96 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 7 III
127 × 74 mm
Sensor size, to scale
Alpha 1
35.9 × 24 mm · Full Frame
862 mm² area
Alpha 7 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 7 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
AF low-light limit
-4 EV vs -3 EV — lower is better
Dimensions (W×H×D mm)
Adds 128.9, 96.9, 80.8
4K max frame rate
120 fps vs 30 fps — higher is better
EVF resolution
9,437,184 vs 2,359,296 — higher is better
Burst (electronic)
30 fps vs 10 fps — higher is better
Codecs
Adds XAVC HS, XAVC S-I, H.265
RAW buffer depth
200 frames vs 89 frames — higher is better
Resolution
50.1 MP vs 24.2 MP — higher is better
Reasons to choose
Alpha 7 III
Dimensions (W×H×D mm)
Adds 126.9, 95.6, 73.7
Card types
Adds SD UHS-I
ISO max (native)
51,200 vs 32,000 — higher is better
Codecs
Adds AVCHD
Battery life (CIPA)
710 shots vs 530 shots — higher is better
Weight
650 g vs 737 g — lower is better
Both cameras share
- ✓AA filter — Both support aa filter
- ✓ISO min (native) — Both 100
- ✓AF frame coverage — Both 94 %
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Burst (mechanical) — Both 10 fps
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 7 III
Pros
- ✓Proven reliability
- ✓Great battery life
- ✓Strong value used
- ✓Dual card slots
Cons
- –Older AF vs newer bodies
- –4K 30p only
- –No 10-bit internal
Decided which one is right for you?
Compare live prices for the Alpha 1 and Alpha 7 III at major authorized retailers.
Sony Alpha 1
Sony Alpha 7 III
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for video, Alpha 1 or Alpha 7 III?
Alpha 1 scores 9.5/10 versus 5.0/10 for Alpha 7 III — 8K recording for future-proof footage.
What's the resolution difference between the Alpha 1 and Alpha 7 III?
Alpha 1 is 50.1 MP and Alpha 7 III is 24.2 MP, so the Alpha 1 captures more detail for cropping and large prints.
Do the Alpha 1 and Alpha 7 III have in-body image stabilization?
Alpha 1 has 5.5-stop in-body image stabilization, while Alpha 7 III has 5-stop in-body image stabilization.
Which shoots faster bursts — the Alpha 1 or the Alpha 7 III?
Alpha 1 reaches 30 fps electronic. Alpha 7 III reaches 10 fps electronic.
What's the weight difference between the Alpha 1 and Alpha 7 III?
Alpha 1 weighs 737 g and Alpha 7 III weighs 650 g, so the Alpha 7 III is 87 g lighter.
Do the Alpha 1 and Alpha 7 III record 4K video?
Alpha 1: 8K (max), 4K up to 120p. Alpha 7 III: 4K up to 30p.
Are the Alpha 1 and Alpha 7 III weather sealed?
Alpha 1: Yes. Alpha 7 III: Yes.
Which has better battery life?
Rated battery life is 530 shots (CIPA) for the Alpha 1 and 710 shots for the Alpha 7 III, giving the Alpha 7 III the edge.
How much does each cost?
Alpha 1 launched at $6,499 and Alpha 7 III at $1,999. The Alpha 7 III is $4,500 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way Alpha 1 vs Alpha 7 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.