
Insta360
GO Ultra
Tiny wearable action camera with magnetic mounting, 4K video, and FlowState stabilization.
$299
Launch priceReleased Aug 2024
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 1.2 years newer.
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Wins
GO Ultra
Wins
X4 Air
6 categories tied
Which would you choose?
TL;DR — Key differences
- BX4 Air has higher ISO max (native) (25,600 vs 6,400)
- AGO Ultra has lower Weight (161.4 g vs 580 g)
- BX4 Air has higher RAW buffer depth (120 frames vs 60 frames)
- BX4 Air has higher Card slots (2 vs 1)
- BX4 Air has higher Resolution (72 MP vs 50 MP)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
GO Ultra
70 × 49 × 33 mm
161.4 g (0.36 lb / 5.69 oz)

Credit card
85.6 × 54 mm
for scale
X4 Air
134 × 91 × 72 mm
580 g (1.28 lb / 20.46 oz)
GO Ultra is 64mm narrower, 42mm shorter, and 39mm thinner than X4 Air.
GO Ultra is 419 g lighter than X4 Air.
Depth (front-to-back): 33mm GO Ultra · 72mm X4 Air
Back view, to scale
Width × Height — same proportions as the front of the body.

GO Ultra
70 × 49 mm

Credit card
85.6 × 54 mm
X4 Air
134 × 91 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.

GO Ultra
70 × 33 mm

Credit card
85.6 × 54 mm
X4 Air
134 × 72 mm
Sensor size, to scale
X4 Air
17.3 × 13 mm · Micro Four Thirds
225 mm² area
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 Ultra
Dimensions (W×H×D mm)
Adds 70.4, 48.8, 33.3
Card types
Adds microSD
Weight
161.4 g vs 580 g — lower is better
Reasons to choose
X4 Air
Dimensions (W×H×D mm)
Adds 134, 91, 72
Card types
Adds SD UHS-II
ISO max (native)
25,600 vs 6,400 — higher is better
RAW buffer depth
120 frames vs 60 frames — higher is better
Internal RAW video
Only X4 Air supports it
Card slots
2 vs 1 — higher is better
Codecs
Adds ProRes
Resolution
72 MP vs 50 MP — higher is better
Both cameras share
- ✓AA filter — Both support aa filter
- ✓ISO min (native) — Both 100
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Pre-Capture / Pre-Release — Both support pre-capture / pre-release
- ✓4K max frame rate — Both 60 fps
Pros & cons at a glance
Editorially curated highlights and trade-offs.
GO Ultra
Pros
- ✓Ultra tiny 39g body
- ✓Magnetic mount system
- ✓4K video
- ✓Wearable POV
Cons
- –Small sensor
- –Short battery life
- –Limited manual control
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 GO Ultra and X4 Air at major authorized retailers.
Insta360 GO Ultra
Insta360 X4 Air
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, GO Ultra or X4 Air?
GO Ultra scores 10.0/10 versus 6.5/10 for X4 Air — 15fps burst — fast action ready.
What's the resolution difference between the GO Ultra and X4 Air?
GO Ultra is 50 MP and X4 Air is 72 MP, so the X4 Air captures more detail for cropping and large prints.
Do the GO Ultra and X4 Air have in-body image stabilization?
GO Ultra has 6-stop in-body image stabilization, while X4 Air has 7-stop in-body image stabilization.
Which shoots faster bursts — the GO Ultra or the X4 Air?
GO Ultra reaches 15 fps electronic. X4 Air reaches 20 fps electronic.
What's the weight difference between the GO Ultra and X4 Air?
GO Ultra weighs 161.4 g and X4 Air weighs 580 g, so the GO Ultra is 419 g lighter.
Do the GO Ultra and X4 Air record 4K video?
GO Ultra: 4K up to 60p. X4 Air: 4K up to 60p.
Are the GO Ultra and X4 Air weather sealed?
GO Ultra: Yes. X4 Air: Yes.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the GO Ultra and 640 shots for the X4 Air, giving the X4 Air the edge.
How much does each cost?
GO Ultra launched at $299 and X4 Air at $400. The GO Ultra is $101 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way GO Ultra vs X4 Air vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of Insta360 press materials.