Insta360
X6
Flagship 8K 360 camera with dual Sony 1/1.1-inch square sensors, native 8K50 and in-camera Dolby Vision, 120MP stills, 2.32-inch OLED, 140-minute 8K30 runtime, and 20m waterproofing.
$700
Launch priceReleased Aug 2026
Sony
Alpha 6400
Popular APS-C body with fast AF and 11fps burst for enthusiasts.
$899
Launch priceReleased Feb 2019
X6 is 7.5 years newer.
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Wins
X6
Wins
Alpha 6400
3 categories tied
Which would you choose?
TL;DR — Key differences
- BAlpha 6400 has higher AF points / zones (425 vs 0)
- AX6 has higher IBIS effectiveness (8 stops vs 0 stops)
- BAlpha 6400 has higher ISO max (native) (32,000 vs 6,400)
- AX6 has higher Resolution (120 MP vs 24.2 MP)
- AX6 has higher RAW buffer depth (200 frames vs 46 frames)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
X6
50 × 100 × 40 mm
196 g (0.43 lb / 6.91 oz)
Credit card
85.6 × 54 mm
for scale
Alpha 6400
120 × 67 × 60 mm
403 g (0.89 lb / 14.22 oz)
X6 is 70mm narrower and 20mm thinner than Alpha 6400 but it is also 33mm taller.
X6 is 207 g lighter than Alpha 6400.
Depth (front-to-back): 40mm X6 · 60mm Alpha 6400
Back view, to scale
Width × Height — same proportions as the front of the body.
X6
50 × 100 mm
Credit card
85.6 × 54 mm
Alpha 6400
120 × 67 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
X6
50 × 40 mm
Credit card
85.6 × 54 mm
Alpha 6400
120 × 60 mm
Sensor size, to scale
Alpha 6400
23.5 × 15.6 mm · APS-C
367 mm² area
Lens ecosystem
Native lens selection
X6: mount data unavailable
Alpha 6400
✓ 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
X6
Codecs
Adds H.265
IBIS effectiveness
8 stops vs 0 stops — higher is better
Stabilization modes
Adds FlowState, 360° Horizon Lock, InstaFrame 2.0…
Dimensions (W×H×D mm)
Adds 50, 100, 40
Card types
Adds microSD
Resolution
120 MP vs 24.2 MP — higher is better
RAW buffer depth
200 frames vs 46 frames — higher is better
4K max frame rate
120 fps vs 29.97 fps — higher is better
Reasons to choose
Alpha 6400
AF points / zones
425 vs 0 — higher is better
Codecs
Adds XAVC S, AVCHD
Dimensions (W×H×D mm)
Adds 120, 66.9, 59.7
Card types
Adds SD, SDHC, SDXC…
ISO max (native)
32,000 vs 6,400 — higher is better
Eye AF
Only Alpha 6400 supports it
Animal / bird AF
Only Alpha 6400 supports it
Subject recognition
Adds Animal
Both cameras share
- ✓ISO min (native) — Both 100
- ✓1080p max frame rate — Both 120 fps
- ✓Weather sealing — Both support weather sealing
- ✓Card slots — Both 1
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
Pros & cons at a glance
Editorially curated highlights and trade-offs.
X6
Pros
- ✓Dual Sony 1/1.1-inch sensors (1-inch equivalent 360)
- ✓Native 8K50 + in-camera Dolby Vision / 10-bit I-Log
- ✓120MP 360 photos; 5K60 / 4K120 single-lens
- ✓2600mAh Xtreme Battery: 140 min 8K30
- ✓20m waterproof + replaceable Lens 2.0
Cons
- –$700 Standard Bundle vs cheaper 360 rivals
- –8K50, not 8K60 vs Osmo 360 II
- –47GB usable built-in storage vs DJI 105GB
- –360 footage still needs reframing
Alpha 6400
Pros
- ✓Fast AF
- ✓Compact
- ✓Great value
Cons
- –No IBIS
- –Older design
- –No headphone jack
Decided which one is right for you?
Compare live prices for the X6 and Alpha 6400 at major authorized retailers.
Insta360 X6
Sony Alpha 6400
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, X6 or Alpha 6400?
X6 scores 10.0/10 versus 5.5/10 for Alpha 6400 — 30fps burst — pro-level action capture.
What's the resolution difference between the X6 and Alpha 6400?
X6 is 120 MP and Alpha 6400 is 24.2 MP, so the X6 captures more detail for cropping and large prints.
How does stabilization compare between the X6 and Alpha 6400?
X6 uses FlowState 6-axis + 360° Horizon Lock (electronic), while Alpha 6400 does not have IBIS.
Which shoots faster bursts — the X6 or the Alpha 6400?
X6 reaches 30 fps electronic. Alpha 6400 reaches 11 fps electronic.
What's the weight difference between the X6 and Alpha 6400?
X6 weighs 196 g and Alpha 6400 weighs 403 g, so the X6 is 207 g lighter.
Do the X6 and Alpha 6400 record 4K video?
X6: 8K 360 (max), 4K up to 120p. Alpha 6400: 4K up to 29.97p.
Are the X6 and Alpha 6400 weather sealed?
X6: Yes. Alpha 6400: Yes.
Which has better battery life?
Rated battery life is 520 shots (CIPA) for the X6 and 360 shots for the Alpha 6400, giving the X6 the edge.
How much does each cost?
X6 launched at $700 and Alpha 6400 at $899. The X6 is $199 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way X6 vs Alpha 6400 vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed September 2026.
Product images courtesy of Insta360 and Sony press materials.