Insta360
GO 3S
Thumb-sized 4K POV camera with magnetic mounting, Action Pod remote preview, FlowState stabilization, and 10m waterproof body.
$400
Launch priceReleased Jun 2024
Sony
Alpha 1 II
50MP stacked flagship with 30fps RAW, 8K video, and Sony's fastest hybrid performance.
$6,499
Launch priceReleased Nov 2024
Alpha 1 II is 5 months newer.
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Wins
GO 3S
Wins
Alpha 1 II
1 categories tied
Which would you choose?
TL;DR — Key differences
- BAlpha 1 II has higher AF points / zones (759 vs 0)
- BAlpha 1 II has higher ISO max (native) (32,000 vs 3,200)
- AGO 3S has lower Weight (135.4 g vs 743 g)
- BAlpha 1 II has higher Resolution (50.1 MP vs 12 MP)
- BAlpha 1 II has higher 4K max frame rate (120 fps vs 30 fps)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
GO 3S
54 × 25 × 26 mm
135.4 g (0.30 lb / 4.78 oz)
Credit card
85.6 × 54 mm
for scale
Alpha 1 II
136 × 97 × 83 mm
743 g (1.64 lb / 26.21 oz)
GO 3S is 82mm narrower, 72mm shorter, and 57mm thinner than Alpha 1 II.
GO 3S is 608 g lighter than Alpha 1 II.
Depth (front-to-back): 26mm GO 3S · 83mm Alpha 1 II
Back view, to scale
Width × Height — same proportions as the front of the body.
GO 3S
54 × 25 mm
Credit card
85.6 × 54 mm
Alpha 1 II
136 × 97 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
GO 3S
54 × 26 mm
Credit card
85.6 × 54 mm
Alpha 1 II
136 × 83 mm
Sensor size, to scale
Alpha 1 II
35.9 × 24 mm · Full Frame
862 mm² area
Lens ecosystem
Native lens selection
GO 3S: mount data unavailable
Alpha 1 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
GO 3S
Codecs
Adds H.264/AVC
Stabilization modes
Adds FlowState, Horizon Lock
Dimensions (W×H×D mm)
Adds 54.4, 24.8, 25.6
Card types
Adds microSD
Weight
135.4 g vs 743 g — lower is better
Reasons to choose
Alpha 1 II
AF points / zones
759 vs 0 — higher is better
Subject recognition
Adds Human, Animal, Bird…
Codecs
Adds XAVC HS, XAVC S, XAVC S-I…
Dimensions (W×H×D mm)
Adds 136.1, 96.9, 82.9
Card types
Adds CFexpress Type A, SD UHS-II
ISO max (native)
32,000 vs 3,200 — higher is better
Resolution
50.1 MP vs 12 MP — higher is better
4K max frame rate
120 fps vs 30 fps — higher is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓Weather sealing — Both support weather sealing
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
- ✓Bluetooth — Both support bluetooth
Pros & cons at a glance
Editorially curated highlights and trade-offs.
GO 3S
Pros
- ✓4K30 in a 39g body
- ✓Action Pod with 2.2-inch flip screen
- ✓FlowState + Horizon Lock
- ✓10m waterproof (camera only)
- ✓140 min runtime with Action Pod
Cons
- –Tiny 1/2.3-inch sensor
- –Fixed 16mm lens
- –Action Pod not waterproof
- –Built-in storage only (64/128GB)
Alpha 1 II
Pros
- ✓50MP stacked sensor
- ✓30fps blackout-free burst
- ✓8K 30p video
- ✓Best Sony AF
Cons
- –Very expensive
- –Complex menus
- –Large files
Decided which one is right for you?
Compare live prices for the GO 3S and Alpha 1 II at major authorized retailers.
Insta360 GO 3S
Sony Alpha 1 II
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for video, GO 3S or Alpha 1 II?
Alpha 1 II scores 9.5/10 versus 1.5/10 for GO 3S — 8K recording for future-proof footage.
What's the resolution difference between the GO 3S and Alpha 1 II?
GO 3S is 12 MP and Alpha 1 II is 50.1 MP, so the Alpha 1 II captures more detail for cropping and large prints.
Do the GO 3S and Alpha 1 II have in-body image stabilization?
GO 3S does not have IBIS, while Alpha 1 II has 8.5-stop in-body image stabilization.
What's the weight difference between the GO 3S and Alpha 1 II?
GO 3S weighs 135.4 g and Alpha 1 II weighs 743 g, so the GO 3S is 608 g lighter.
Do the GO 3S and Alpha 1 II record 4K video?
GO 3S: 4K up to 30p. Alpha 1 II: 8K (max), 4K up to 120p.
Are the GO 3S and Alpha 1 II weather sealed?
GO 3S: Yes. Alpha 1 II: Yes.
How much does each cost?
GO 3S launched at $400 and Alpha 1 II at $6,499. The GO 3S is $6,099 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way GO 3S vs Alpha 1 II vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of Insta360 and Sony press materials.