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
Xtra
Sphra360
8K 360-degree camera with 1/1.1-inch CMOS sensor, 100MP panoramic photos, 5K single-lens mode, 10-bit X-Log, 105GB built-in storage, and Bullet Time up to 240fps.
$329
Launch priceReleased Nov 2025
Sphra360 is 1.6 years newer.
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Wins
X4
Wins
Sphra360
5 categories tied
Which would you choose?
TL;DR — Key differences
- BSphra360 has higher ISO max (native) (51,200 vs 6,400)
- BSphra360 has higher 4K max frame rate (100 fps vs 60 fps)
- BSphra360 has higher Resolution (100 MP vs 72 MP)
- AX4 has higher Battery runtime (135 min vs 100 min)
- AX4 has higher Battery capacity (2290 mAh vs 1900 mAh)
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
Sphra360
61 × 36 × 81 mm
181 g (0.40 lb / 6.38 oz)
X4 is 15mm narrower and 43mm thinner than Sphra360 but it is also 87mm taller.
X4 is 22 g heavier than Sphra360.
Depth (front-to-back): 38mm X4 · 81mm Sphra360
Back view, to scale
Width × Height — same proportions as the front of the body.
X4
46 × 124 mm
Credit card
85.6 × 54 mm
Sphra360
61 × 36 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
Sphra360
61 × 81 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
X4
Codecs
Adds H.264, H.265
Stabilization modes
Adds FlowState, 360° Horizon Lock, Active HDR
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
Battery runtime
135 min vs 100 min — higher is better
Battery capacity
2290 mAh vs 1900 mAh — higher is better
Max video bit rate
200 Mbps vs 170 Mbps — higher is better
Reasons to choose
Sphra360
Codecs
Adds H.265 (HEVC), XTV (360 format)
Stabilization modes
Adds MotionMaster, 360 Horizon Lock
Dimensions (W×H×D mm)
Adds 61.3, 36.3, 81
ISO max (native)
51,200 vs 6,400 — higher is better
4K max frame rate
100 fps vs 60 fps — higher is better
Resolution
100 MP vs 72 MP — higher is better
Weight
181 g vs 203 g — lower is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓Pre-Capture / Pre-Release — Both support pre-capture / pre-release
- ✓Weather sealing — Both support weather sealing
- ✓Waterproof depth — Both 10 m
- ✓Battery life (CIPA) — Both 640 shots
- ✓Card slots — Both 1
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
Sphra360
Pros
- ✓8K 360 video, 100MP 360 photos
- ✓1/1.1-inch sensor with f/1.9
- ✓5K 60fps single-lens mode
- ✓105GB built-in + 1TB microSD
Cons
- –~100 min battery
- –360° stitching needed
- –10m waterproof only
Decided which one is right for you?
Compare live prices for the X4 and Sphra360 at major authorized retailers.
Insta360 X4
Xtra Sphra360
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, X4 or Sphra360?
X4 scores 7.0/10 versus 5.0/10 for Sphra360 — FlowState + 360° Horizon Lock stabilization — steady handheld footage.
What's the resolution difference between the X4 and Sphra360?
X4 is 72 MP and Sphra360 is 100 MP, so the Sphra360 captures more detail for cropping and large prints.
How does stabilization compare between the X4 and Sphra360?
X4 uses FlowState + 360° Horizon Lock (electronic), while Sphra360 uses Electronic stabilization (MotionMaster + FlowState 360) (electronic).
What's the weight difference between the X4 and Sphra360?
X4 weighs 203 g and Sphra360 weighs 181 g, so the Sphra360 is 22 g lighter.
Do the X4 and Sphra360 record 4K video?
X4: 8K (max), 4K up to 60p. Sphra360: 8K 360 (panoramic) (max), 4K up to 100p.
Are the X4 and Sphra360 weather sealed?
X4: Yes. Sphra360: Yes.
Which has better battery runtime?
X4 is rated for about 135 minutes of continuous recording and Sphra360 for about 100 minutes, giving the X4 the edge.
How much does each cost?
X4 launched at $499 and Sphra360 at $329. The Sphra360 is $170 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way X4 vs Sphra360 vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of Insta360 and Xtra press materials.