Insta360
Ace Pro
Leica co-engineered action cam with 1/1.3-inch sensor, 4K120, flip touchscreen, and FlowState stabilization.
$399
Launch priceReleased Nov 2023
Insta360
X4 Air
Ultralight 165g 8K 360 camera with dual 1/1.8-inch sensors, replaceable lenses, AdaptiveTone exposure, 15m waterproofing, and swappable 2010mAh battery.
$400
Launch priceReleased Oct 2025
X4 Air is 1.9 years newer.
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Wins
Ace Pro
Wins
X4 Air
4 categories tied
Which would you choose?
TL;DR — Key differences
- AAce Pro has higher Battery life (CIPA) (640 shots vs -1 shots)
- AAce Pro has higher 4K max frame rate (120 fps vs 30 fps)
- AAce Pro has higher 1080p max frame rate (240 fps vs 60 fps)
- AAce Pro has higher ISO max (native) (6,400 vs 3,200)
- BX4 Air has higher RAW buffer depth (120 frames vs 60 frames)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
Ace Pro
72 × 52 × 39 mm
179.8 g (0.40 lb / 6.34 oz)
Credit card
85.6 × 54 mm
for scale
X4 Air
46 × 114 × 37 mm
165 g (0.36 lb / 5.82 oz)
Ace Pro is 62mm shorter than X4 Air but it is also 26mm wider and 2mm thicker.
Ace Pro is 15 g heavier than X4 Air.
Depth (front-to-back): 39mm Ace Pro · 37mm X4 Air
Back view, to scale
Width × Height — same proportions as the front of the body.
Ace Pro
72 × 52 mm
Credit card
85.6 × 54 mm
X4 Air
46 × 114 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
Ace Pro
72 × 39 mm
Credit card
85.6 × 54 mm
X4 Air
46 × 37 mm
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
Battery life (CIPA)
640 shots vs -1 shots — higher is better
Stabilization modes
Adds FlowState, Horizon Lock, Active HDR
Dimensions (W×H×D mm)
Adds 71.9, 52.15, 38.5
4K max frame rate
120 fps vs 30 fps — higher is better
1080p max frame rate
240 fps vs 60 fps — higher is better
ISO max (native)
6,400 vs 3,200 — higher is better
Resolution
48 MP vs 29 MP — higher is better
Battery runtime
100 min vs 88 min — higher is better
Reasons to choose
X4 Air
Subject recognition
Adds Human, Animal, Bird…
Dimensions (W×H×D mm)
Adds 46, 113.8, 37
AA filter
Only X4 Air supports it
Eye AF
Only X4 Air supports it
Animal / bird AF
Only X4 Air supports it
RAW buffer depth
120 frames vs 60 frames — higher is better
Internal RAW video
Only X4 Air supports it
Codecs
Adds AVC, HEVC
Both cameras share
- ✓ISO min (native) — Both 100
- ✓Pre-Capture / Pre-Release — Both support pre-capture / pre-release
- ✓Max video bit rate — Both 200 Mbps
- ✓Weather sealing — Both support weather sealing
- ✓Card slots — Both 1
- ✓Touchscreen — Both support touchscreen
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
X4 Air
Pros
- ✓Lightest Insta360 8K 360 (165g)
- ✓Dual 1/1.8-inch sensors (134% more pixel area vs X4)
- ✓8K30 + 6K50 360; 4K single-lens mode
- ✓Replaceable lenses + 15m waterproof
- ✓AdaptiveTone + Portrait Mode
Cons
- –No 8K60 vs X5 flagship
- –8K runtime ~88 min
- –360 workflow needs reframing
- –Fewer pro codecs than X5
Decided which one is right for you?
Compare live prices for the Ace Pro and X4 Air at major authorized retailers.
Insta360 Ace Pro
Insta360 X4 Air
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for wildlife, Ace Pro or X4 Air?
X4 Air scores 9.0/10 versus 4.5/10 for Ace Pro — 20fps burst captures fleeting moments.
What's the resolution difference between the Ace Pro and X4 Air?
Ace Pro is 48 MP and X4 Air is 29 MP, so the Ace Pro captures more detail for cropping and large prints.
Do the Ace Pro and X4 Air have in-body image stabilization?
Ace Pro uses FlowState electronic stabilization (electronic), while X4 Air has 7-stop in-body image stabilization.
Which shoots faster bursts — the Ace Pro or the X4 Air?
Ace Pro reaches 15 fps electronic. X4 Air reaches 20 fps electronic.
What's the weight difference between the Ace Pro and X4 Air?
Ace Pro weighs 179.8 g and X4 Air weighs 165 g, so the X4 Air is 15 g lighter.
Do the Ace Pro and X4 Air record 4K video?
Ace Pro: 4K up to 120p. X4 Air: 4K up to 30p.
Are the Ace Pro and X4 Air weather sealed?
Ace Pro: Yes. X4 Air: Yes.
Which has better battery runtime?
Ace Pro is rated for about 100 minutes of continuous recording and X4 Air for about 88 minutes, giving the Ace Pro the edge.
How much does each cost?
Ace Pro launched at $399 and X4 Air at $400. The Ace Pro is $1 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way Ace Pro vs X4 Air vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed September 2026.
Product images courtesy of Insta360 press materials.