Insta360
Ace Pro 2
8K Leica-lens action camera with 1/1.3-inch sensor, 4K60 Active HDR, PureVideo low-light mode, and 12m waterproofing.
$449
Launch priceReleased Oct 2024
Sony
Alpha 9 III
Global shutter sports flagship with 120fps and zero rolling shutter for pro action.
$5,999
Launch priceReleased Jan 2024
Ace Pro 2 is 9 months newer.
Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.
Wins
Ace Pro 2
Wins
Alpha 9 III
Which would you choose?
TL;DR — Key differences
- BAlpha 9 III has higher AF points / zones (759 vs 0)
- AAce Pro 2 has higher Burst (mechanical) (8 fps vs 0 fps)
- BAlpha 9 III has higher Burst (electronic) (120 fps vs 20 fps)
- BAlpha 9 III has higher ISO max (native) (25,600 vs 6,400)
- AAce Pro 2 has lower Weight (177.2 g vs 703 g)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
Ace Pro 2
72 × 52 × 38 mm
177.2 g (0.39 lb / 6.25 oz)
Credit card
85.6 × 54 mm
for scale
Alpha 9 III
136 × 97 × 83 mm
703 g (1.55 lb / 24.80 oz)
Ace Pro 2 is 64mm narrower, 45mm shorter, and 45mm thinner than Alpha 9 III.
Ace Pro 2 is 526 g lighter than Alpha 9 III.
Depth (front-to-back): 38mm Ace Pro 2 · 83mm Alpha 9 III
Back view, to scale
Width × Height — same proportions as the front of the body.
Ace Pro 2
72 × 52 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.
Ace Pro 2
72 × 38 mm
Credit card
85.6 × 54 mm
Alpha 9 III
136 × 83 mm
Sensor size, to scale
Ace Pro 2
9.6 × 7.2 mm · Compact
69 mm² area
Alpha 9 III
35.6 × 23.8 mm · Full Frame
847 mm² area
12.3× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
Ace Pro 2: mount data unavailable
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
Ace Pro 2
Burst (mechanical)
8 fps vs 0 fps — higher is better
Stabilization modes
Adds FlowState, Horizon Lock 360°, Active HDR…
Dimensions (W×H×D mm)
Adds 71.9, 52.2, 38
Card types
Adds microSD
Weight
177.2 g vs 703 g — lower is better
ISO min (native)
100 vs 250 — lower is better
Resolution
50 MP vs 24.6 MP — higher is better
Reasons to choose
Alpha 9 III
AF points / zones
759 vs 0 — higher is better
Subject recognition
Adds Human, Animal, Bird…
Dimensions (W×H×D mm)
Adds 136.1, 96.9, 82.9
Card types
Adds CFexpress Type A, SD UHS-II
Burst (electronic)
120 fps vs 20 fps — higher is better
ISO max (native)
25,600 vs 6,400 — higher is better
Max video bit rate
600 Mbps vs 200 Mbps — higher is better
Codecs
Adds XAVC HS, XAVC S, XAVC S-I
Both cameras share
- ✓Pre-Capture / Pre-Release — Both support pre-capture / pre-release
- ✓Internal RAW video — Both support internal raw video
- ✓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.
Ace Pro 2
Pros
- ✓8K30 video
- ✓1/1.3-inch Leica lens
- ✓PureVideo night mode
- ✓12m waterproof
Cons
- –8K drains battery faster
- –Premium vs DJI Action
- –Fixed lens
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 Ace Pro 2 and Alpha 9 III at major authorized retailers.
Insta360 Ace Pro 2
Sony Alpha 9 III
Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for portraits, Ace Pro 2 or Alpha 9 III?
Alpha 9 III scores 7.5/10 versus 3.0/10 for Ace Pro 2 — 24.6MP — solid resolution.
What's the resolution difference between the Ace Pro 2 and Alpha 9 III?
Ace Pro 2 is 50 MP and Alpha 9 III is 24.6 MP, so the Ace Pro 2 captures more detail for cropping and large prints.
Do the Ace Pro 2 and Alpha 9 III have in-body image stabilization?
Ace Pro 2 uses FlowState electronic stabilization (electronic), while Alpha 9 III has 8-stop in-body image stabilization.
Which shoots faster bursts — the Ace Pro 2 or the Alpha 9 III?
Ace Pro 2 reaches 20 fps electronic. Alpha 9 III reaches 120 fps electronic.
What's the weight difference between the Ace Pro 2 and Alpha 9 III?
Ace Pro 2 weighs 177.2 g and Alpha 9 III weighs 703 g, so the Ace Pro 2 is 526 g lighter.
Do the Ace Pro 2 and Alpha 9 III record 4K video?
Ace Pro 2: 8K (max), 4K up to 60p. Alpha 9 III: 4K up to 120p.
Are the Ace Pro 2 and Alpha 9 III weather sealed?
Ace Pro 2: Yes. Alpha 9 III: Yes.
How much does each cost?
Ace Pro 2 launched at $449 and Alpha 9 III at $5,999. The Ace Pro 2 is $5,550 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way Ace Pro 2 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 Insta360 and Sony press materials.