Insta360
X4
8K 360 action camera with dual 1/2-inch sensors, 72MP photos, 4K60 single-lens mode, FlowState stabilization, and 10m waterproofing.
$499
Launch priceReleased Apr 2024
Sony
Alpha 9 III
Global shutter sports flagship with 120fps and zero rolling shutter for pro action.
$5,999
Launch priceReleased Jan 2024
X4 is 3 months newer.
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Wins
X4
Wins
Alpha 9 III
Which would you choose?
TL;DR — Key differences
- BAlpha 9 III has higher AF points / zones (759 vs 0)
- AX4 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)
- AX4 has lower Weight (203 g vs 703 g)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
X4
46 × 124 × 38 mm
203 g (0.45 lb / 7.16 oz)
Credit card
85.6 × 54 mm
for scale
Alpha 9 III
136 × 97 × 83 mm
703 g (1.55 lb / 24.80 oz)
X4 is 90mm narrower and 45mm thinner than Alpha 9 III but it is also 27mm taller.
X4 is 500 g lighter than Alpha 9 III.
Depth (front-to-back): 38mm X4 · 83mm Alpha 9 III
Back view, to scale
Width × Height — same proportions as the front of the body.
X4
46 × 124 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.
X4
46 × 38 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
X4: 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
X4
Burst (mechanical)
8 fps vs 0 fps — higher is better
Stabilization modes
Adds FlowState, 360° Horizon Lock, Active HDR
Dimensions (W×H×D mm)
Adds 46, 123.6, 37.6
Card types
Adds microSD
Weight
203 g vs 703 g — lower is better
Resolution
72 MP vs 24.6 MP — higher is better
ISO min (native)
100 vs 250 — lower 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 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
- ✓Weather sealing — Both support weather sealing
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
- ✓Bluetooth — Both support bluetooth
- ✓Microphone jack (3.5mm) — Both support microphone jack (3.5mm)
Pros & cons at a glance
Editorially curated highlights and trade-offs.
X4
Pros
- ✓8K 360 video
- ✓72MP 360 photos
- ✓4K60 single-lens mode
- ✓10m waterproof
Cons
- –360 workflow needs reframing
- –8K runtime ~75 min
- –Larger than Ace Pro
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 X4 and Alpha 9 III at major authorized retailers.
Insta360 X4
Sony Alpha 9 III
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for portraits, X4 or Alpha 9 III?
Alpha 9 III scores 7.5/10 versus 3.0/10 for X4 — 24.6MP — solid resolution.
What's the resolution difference between the X4 and Alpha 9 III?
X4 is 72 MP and Alpha 9 III is 24.6 MP, so the X4 captures more detail for cropping and large prints.
Do the X4 and Alpha 9 III have in-body image stabilization?
X4 uses FlowState + 360° Horizon Lock (electronic), while Alpha 9 III has 8-stop in-body image stabilization.
Which shoots faster bursts — the X4 or the Alpha 9 III?
X4 reaches 20 fps electronic. Alpha 9 III reaches 120 fps electronic.
What's the weight difference between the X4 and Alpha 9 III?
X4 weighs 203 g and Alpha 9 III weighs 703 g, so the X4 is 500 g lighter.
Do the X4 and Alpha 9 III record 4K video?
X4: 8K (max), 4K up to 60p. Alpha 9 III: 4K up to 120p.
Are the X4 and Alpha 9 III weather sealed?
X4: Yes. Alpha 9 III: Yes.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the X4 and 400 shots for the Alpha 9 III, giving the X4 the edge.
How much does each cost?
X4 launched at $499 and Alpha 9 III at $5,999. The X4 is $5,500 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way X4 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.