Sony
Alpha 1 II
50MP stacked flagship with 30fps RAW, 8K video, and Sony's fastest hybrid performance.
$6,499
Released Nov 2024
Sony
Alpha 9 II
24MP sports body with 20fps and proven pro workflow.
$4,499
Released Oct 2019
Alpha 1 II is 5.1 years newer.
Wins
Alpha 1 II
Wins
Alpha 9 II
5 categories tied
TL;DR — Key differences
- AAlpha 1 II has higher 4K max frame rate (120 fps vs 30 fps)
- AAlpha 1 II has higher EVF resolution (9,437,184 vs 3,686,400)
- AAlpha 1 II has higher Resolution (50.1 MP vs 24.2 MP)
- AAlpha 1 II has higher EVF refresh rate (240 Hz vs 120 Hz)
- AAlpha 1 II has higher RAW buffer depth (200 frames vs 120 frames)
Key specs at a glance
Size and weight, to scale
Alpha 1 II
136 × 97 × 83 mm
743 g (1.64 lb / 26.21 oz)
Alpha 9 II
129 × 96 × 78 mm
678 g (1.49 lb / 23.92 oz)
Alpha 1 II is 7mm wider, 1mm taller, and 5mm thicker than Alpha 9 II.
Alpha 1 II is 65 g heavier than Alpha 9 II.
Depth (front-to-back): 83mm Alpha 1 II · 78mm Alpha 9 II
Sensor size, to scale
Alpha 1 II
35.9 × 24 mm · Full Frame
862 mm² area
Alpha 9 II
35.6 × 23.8 mm · Full Frame
847 mm² area
Lens ecosystem
Native lens selection
Alpha 1 II
✓ more lensesSony E
350+
native lenses available
Alpha 9 II
✓ 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 II
AF low-light limit
-4 EV vs -3 EV — lower is better
Dimensions (W×H×D mm)
Adds 136.1, 96.9, 82.9
4K max frame rate
120 fps vs 30 fps — higher is better
Subject recognition
Adds Bird, Insect, Car/Train…
EVF resolution
9,437,184 vs 3,686,400 — higher is better
Codecs
Adds XAVC HS, XAVC S-I, H.265
Resolution
50.1 MP vs 24.2 MP — higher is better
Pre-Capture / Pre-Release
Only Alpha 1 II supports it
Reasons to choose
Alpha 9 II
Dimensions (W×H×D mm)
Adds 128.9, 96.4, 77.5
ISO max (native)
51,200 vs 32,000 — higher is better
Codecs
Adds AVCHD
Battery life (CIPA)
690 shots vs 520 shots — higher is better
Weight
678 g vs 743 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 II
Pros
- ✓50MP stacked sensor
- ✓30fps blackout-free burst
- ✓8K 30p video
- ✓Best Sony AF
Cons
- –Very expensive
- –Complex menus
- –Large files
Alpha 9 II
Pros
- ✓20fps silent burst
- ✓Sports AF
- ✓Dual slots
Cons
- –24MP resolution
- –Older than A9 III
- –No global shutter
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for video, Alpha 1 II or Alpha 9 II?
Alpha 1 II scores 9.5/10 versus 5.0/10 for Alpha 9 II — 8K recording for future-proof footage.
What's the resolution difference between the Alpha 1 II and Alpha 9 II?
Alpha 1 II is 50.1 MP and Alpha 9 II is 24.2 MP, so the Alpha 1 II captures more detail for cropping and large prints.
Do the Alpha 1 II and Alpha 9 II have in-body image stabilization?
Alpha 1 II has 8.5-stop in-body image stabilization, while alpha 9 II has 5.5-stop in-body image stabilization.
Which shoots faster bursts — the Alpha 1 II or the Alpha 9 II?
Alpha 1 II reaches 30 fps electronic. Alpha 9 II reaches 20 fps electronic.
What's the weight difference between the Alpha 1 II and Alpha 9 II?
Alpha 1 II weighs 743 g and Alpha 9 II weighs 678 g, so the Alpha 9 II is 65 g lighter.
Do the Alpha 1 II and Alpha 9 II record 4K video?
Alpha 1 II: 8K (max), 4K up to 120p. Alpha 9 II: 4K up to 30p.
Are the Alpha 1 II and Alpha 9 II weather sealed?
Alpha 1 II: Yes. Alpha 9 II: Yes.
Which has better battery life?
Rated battery life is 520 shots (CIPA) for the Alpha 1 II and 690 shots for the Alpha 9 II, giving the Alpha 9 II the edge.
How much does each cost?
Alpha 1 II launched at $6,499 and Alpha 9 II at $4,499. The Alpha 9 II is $2,000 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Sony press materials.