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
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
Ace Pro 2 is 6 months newer.
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Wins
Ace Pro 2
Wins
X4
10 categories tied
Which would you choose?
TL;DR — Key differences
- AAce Pro 2 has higher 1080p max frame rate (240 fps vs 120 fps)
- BX4 has higher Resolution (72 MP vs 50 MP)
- AAce Pro 2 has higher Battery runtime (180 min vs 135 min)
- BX4 has higher Battery capacity (2290 mAh vs 1800 mAh)
- AAce Pro 2 has higher Waterproof depth (12 m vs 10 m)
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
X4
46 × 124 × 38 mm
203 g (0.45 lb / 7.16 oz)
Ace Pro 2 is 71mm shorter than X4 but it is also 26mm wider.
Ace Pro 2 is 26 g lighter than X4.
Depth (front-to-back): 38mm Ace Pro 2 · 38mm X4
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
X4
46 × 124 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
X4
46 × 38 mm
Sensor size, to scale
Ace Pro 2
9.6 × 7.2 mm · Compact
69 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
Ace Pro 2
Dimensions (W×H×D mm)
Adds 71.9, 52.2, 38
1080p max frame rate
240 fps vs 120 fps — higher is better
Internal RAW video
Only Ace Pro 2 supports it
Stabilization modes
Adds Horizon Lock 360°, PureVideo
Battery runtime
180 min vs 135 min — higher is better
Waterproof depth
12 m vs 10 m — higher is better
Weight
177.2 g vs 203 g — lower is better
Reasons to choose
X4
Dimensions (W×H×D mm)
Adds 46, 123.6, 37.6
Microphone jack (3.5mm)
Only X4 supports it
Headphone jack (3.5mm)
Only X4 supports it
Stabilization modes
Adds 360° Horizon Lock
Resolution
72 MP vs 50 MP — higher is better
Battery capacity
2290 mAh vs 1800 mAh — higher is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓ISO max (native) — Both 6,400
- ✓Burst (mechanical) — Both 8 fps
- ✓Burst (electronic) — Both 20 fps
- ✓Pre-Capture / Pre-Release — Both support pre-capture / pre-release
- ✓RAW buffer depth — Both 120 frames
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
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
Decided which one is right for you?
Compare live prices for the Ace Pro 2 and X4 at major authorized retailers.
Insta360 Ace Pro 2
Insta360 X4
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, Ace Pro 2 or X4?
Ace Pro 2 scores 10.0/10 versus 7.0/10 for X4 — 20fps burst — fast action ready.
What's the resolution difference between the Ace Pro 2 and X4?
Ace Pro 2 is 50 MP and X4 is 72 MP, so the X4 captures more detail for cropping and large prints.
How does stabilization compare between the Ace Pro 2 and X4?
Ace Pro 2 uses FlowState electronic stabilization (electronic), while X4 uses FlowState + 360° Horizon Lock (electronic).
Which shoots faster bursts — the Ace Pro 2 or the X4?
Ace Pro 2 reaches 20 fps electronic. X4 reaches 20 fps electronic.
What's the weight difference between the Ace Pro 2 and X4?
Ace Pro 2 weighs 177.2 g and X4 weighs 203 g, so the Ace Pro 2 is 26 g lighter.
Do the Ace Pro 2 and X4 record 4K video?
Ace Pro 2: 8K (max), 4K up to 60p. X4: 8K (max), 4K up to 60p.
Are the Ace Pro 2 and X4 weather sealed?
Ace Pro 2: Yes. X4: Yes.
Which has better battery runtime?
Ace Pro 2 is rated for about 180 minutes of continuous recording and X4 for about 135 minutes, giving the Ace Pro 2 the edge.
How much does each cost?
Ace Pro 2 launched at $449 and X4 at $499. The Ace Pro 2 is $50 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way Ace Pro 2 vs X4 vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.
Product images courtesy of Insta360 press materials.