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Ace Pro

Insta360

Ace Pro

Leica co-engineered action cam with 1/1.3-inch sensor, 4K120, flip touchscreen, and FlowState stabilization.

$399

Launch price

Released Nov 2023

vs

Sony

Alpha 9 III

Global shutter sports flagship with 120fps and zero rolling shutter for pro action.

$5,999

Launch price

Released Jan 2024

Alpha 9 III is 2 months newer.

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Wins

5categories

Ace Pro

Sports & ActionTravel

Wins

7categories

Alpha 9 III

Sports & ActionWildlife

1 categories tied

Which would you choose?

TL;DR — Key differences

Ace Pro wins 2 categories·Alpha 9 III wins 3 categories
  • BAlpha 9 III has higher AF points / zones (759 vs 0)
  • AAce Pro has higher Burst (mechanical) (6 fps vs 0 fps)
  • BAlpha 9 III has higher Burst (electronic) (120 fps vs 15 fps)
  • BAlpha 9 III has higher ISO max (native) (25,600 vs 6,400)
  • AAce Pro has lower Weight (179.8 g vs 703 g)

Key specs at a glance

Ace ProAlpha 9 III
Resolution48 MP24.6 MP
Sensor1/1.3 inchFull Frame
ISO max6,40025,600
Burst15 fps120 fps
4K120 fps120 fps
IBISNo8-stop
Weight179.8 g703 g
Battery640 shots400 shots

Size and weight, to scale

Ace Pro front view

Ace Pro

72 × 52 × 39 mm

179.8 g (0.40 lb / 6.34 oz)

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

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 is 64mm narrower, 45mm shorter, and 44mm thinner than Alpha 9 III.

Ace Pro is 523 g lighter than Alpha 9 III.

Depth (front-to-back): 39mm Ace Pro · 83mm Alpha 9 III

Back view, to scale

Width × Height — same proportions as the front of the body.

Ace Pro back view

Ace Pro

72 × 52 mm

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 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 top view

Ace Pro

72 × 39 mm

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

Alpha 9 III

136 × 83 mm

Sensor size, to scale

Alpha 9 III

35.6 × 23.8 mm · Full Frame

847 mm² area

Lens ecosystem

Native lens selection

Ace Pro: mount data unavailable

Alpha 9 III

✓ more lenses

Sony E

350+

native lenses available

80 first-party270 third-party

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

Use caseAce ProAlpha 9 III
Portrait
3.0Limited
7.5Good✓ wins
Sports & Action
8.0Excellent
10.0Excellent✓ wins
Video & Hybrid
4.5Fair
8.0Excellent✓ wins
Landscape
4.5Fair
7.0Good✓ wins
Travel
7.0Good
7.0Good
Wildlife
4.5Fair
9.5Excellent✓ wins
Vlogging
4.0Fair
5.5Fair✓ wins

Why pick one over the other

Reasons to choose

Ace Pro

  • Burst (mechanical)

    6 fps vs 0 fps — higher is better

  • Stabilization modes

    Adds FlowState, Horizon Lock, Active HDR

  • Dimensions (W×H×D mm)

    Adds 71.9, 52.15, 38.5

  • Card types

    Adds microSD

  • Weight

    179.8 g vs 703 g — lower is better

  • ISO min (native)

    100 vs 250 — lower is better

  • Resolution

    48 MP vs 24.6 MP — higher is better

  • Battery life (CIPA)

    640 shots vs 400 shots — 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 15 fps — higher is better

  • ISO max (native)

    25,600 vs 6,400 — higher is better

  • RAW buffer depth

    200 frames vs 60 frames — higher is better

  • Max video bit rate

    600 Mbps vs 200 Mbps — higher is better

Both cameras share

  • Pre-Capture / Pre-ReleaseBoth support pre-capture / pre-release
  • 4K max frame rateBoth 120 fps
  • Weather sealingBoth support weather sealing
  • TouchscreenBoth support touchscreen
  • Wi-FiBoth support wi-fi
  • BluetoothBoth support bluetooth

Pros & cons at a glance

Editorially curated highlights and trade-offs.

Ace Pro

Pros

  • 1/1.3-inch sensor
  • 4K120 slow-mo
  • Leica color science
  • Flip touchscreen

Cons

  • Superseded by Ace Pro 2
  • No 8K
  • 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 and Alpha 9 III at major authorized retailers.

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

Ace Pro
Alpha 9 III
Resolution
48 MP+95%
24.6 MP
Sensor type
1/1.3-inch CMOS (Leica co-engineered)
Full Frame Global Shutter Exmor RS CMOS
Sensor size
1/1.3 inch
35.6 × 23.8 mm
AA filter
Yes
Ace Pro
Alpha 9 III
Aperture
f/2.6
Ace Pro
Alpha 9 III
Processor
Image processor
BIONZ XR + AI processing unit
Ace Pro
Alpha 9 III
ISO min (native)
100−150 less
250
ISO max (native)
6,400
25,600+2 stops
ISO max (expanded)
6,400
51,200
Ace Pro
Alpha 9 III
Shutter type
Electronic shutter
Global electronic shutter
Max mechanical speed
1/8000 sec
Max electronic speed
1/8000 sec
1/80000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for wildlife, Ace Pro or Alpha 9 III?

Alpha 9 III scores 9.5/10 versus 4.5/10 for Ace Pro — 120fps burst captures fleeting moments.

What's the resolution difference between the Ace Pro and Alpha 9 III?

Ace Pro is 48 MP and Alpha 9 III is 24.6 MP, so the Ace Pro captures more detail for cropping and large prints.

Do the Ace Pro and Alpha 9 III have in-body image stabilization?

Ace Pro uses FlowState electronic stabilization (electronic), while Alpha 9 III has 8-stop in-body image stabilization.

Which shoots faster bursts — the Ace Pro or the Alpha 9 III?

Ace Pro reaches 15 fps electronic. Alpha 9 III reaches 120 fps electronic.

What's the weight difference between the Ace Pro and Alpha 9 III?

Ace Pro weighs 179.8 g and Alpha 9 III weighs 703 g, so the Ace Pro is 523 g lighter.

Do the Ace Pro and Alpha 9 III record 4K video?

Ace Pro: 4K up to 120p. Alpha 9 III: 4K up to 120p.

Are the Ace Pro and Alpha 9 III weather sealed?

Ace Pro: Yes. Alpha 9 III: Yes.

Which has better battery life?

Rated battery life is 640 shots (CIPA) for the Ace Pro and 400 shots for the Alpha 9 III, giving the Ace Pro the edge.

How much does each cost?

Ace Pro launched at $399 and Alpha 9 III at $5,999. The Ace Pro is $5,600 less.

Can't decide between two? Compare a third camera.

Add any camera to get a three-way Ace Pro vs Alpha 9 III 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.