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 99 II
42MP A-mount flagship with translucent mirror, 12fps, and 5-axis IBIS for Sony/Minolta lenses.
$3,199
Launch priceReleased Nov 2016
X6 is 9.8 years newer.
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Wins
X6
Wins
Alpha 99 II
1 categories tied
Which would you choose?
TL;DR — Key differences
- BAlpha 99 II has higher AF points / zones (759 vs 0)
- AX6 has lower Weight (196 g vs 849 g)
- BAlpha 99 II has higher ISO max (native) (25,600 vs 6,400)
- AX6 has higher Resolution (120 MP vs 42.4 MP)
- AX6 has higher 4K max frame rate (120 fps vs 60 fps)
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 99 II
143 × 105 × 82 mm
849 g (1.87 lb / 29.95 oz)
X6 is 93mm narrower, 5mm shorter, and 42mm thinner than Alpha 99 II.
X6 is 653 g lighter than Alpha 99 II.
Depth (front-to-back): 40mm X6 · 82mm Alpha 99 II
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 99 II
143 × 105 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 99 II
143 × 82 mm
Sensor size, to scale
Alpha 99 II
35.9 × 24 mm · Full Frame
862 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
X6
Stabilization modes
Adds FlowState, 360° Horizon Lock, InstaFrame 2.0…
Dimensions (W×H×D mm)
Adds 50, 100, 40
Card types
Adds microSD
Weight
196 g vs 849 g — lower is better
Subject recognition
Adds Pet, Object
Resolution
120 MP vs 42.4 MP — higher is better
4K max frame rate
120 fps vs 60 fps — higher is better
IBIS effectiveness
8 stops vs 4.5 stops — higher is better
Reasons to choose
Alpha 99 II
AF points / zones
759 vs 0 — higher is better
Dimensions (W×H×D mm)
Adds 142.6, 104.8, 81.6
Card types
Adds SD UHS-II
ISO max (native)
25,600 vs 6,400 — higher is better
Subject recognition
Adds Animal, Bird, Vehicle
AA filter
Only Alpha 99 II supports it
Eye AF
Only Alpha 99 II supports it
Animal / bird AF
Only Alpha 99 II supports it
Both cameras share
- ✓ISO min (native) — Both 100
- ✓Pre-Capture / Pre-Release — Both support pre-capture / pre-release
- ✓Weather sealing — Both support weather sealing
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
- ✓Bluetooth — Both support bluetooth
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 99 II
Pros
- ✓42MP A-mount
- ✓5-axis IBIS
- ✓12fps
- ✓Huge Minolta lens library
Cons
- –A-mount declining
- –Translucent mirror system
- –Large body
Decided which one is right for you?
Compare live prices for the X6 and Alpha 99 II at major authorized retailers.
Insta360 X6
Sony Alpha 99 II
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for portraits, X6 or Alpha 99 II?
Alpha 99 II scores 8.5/10 versus 3.0/10 for X6 — 42.4MP — excellent for large prints and crops.
What's the resolution difference between the X6 and Alpha 99 II?
X6 is 120 MP and Alpha 99 II is 42.4 MP, so the X6 captures more detail for cropping and large prints.
Do the X6 and Alpha 99 II have in-body image stabilization?
X6 uses FlowState 6-axis + 360° Horizon Lock (electronic), while Alpha 99 II has 4.5-stop in-body image stabilization.
Which shoots faster bursts — the X6 or the Alpha 99 II?
X6 reaches 30 fps electronic. Alpha 99 II reaches 20 fps electronic.
What's the weight difference between the X6 and Alpha 99 II?
X6 weighs 196 g and Alpha 99 II weighs 849 g, so the X6 is 653 g lighter.
Do the X6 and Alpha 99 II record 4K video?
X6: 8K 360 (max), 4K up to 120p. Alpha 99 II: 4K up to 60p.
Are the X6 and Alpha 99 II weather sealed?
X6: Yes. Alpha 99 II: Yes.
Which has better battery life?
Rated battery life is 520 shots (CIPA) for the X6 and 640 shots for the Alpha 99 II, giving the Alpha 99 II the edge.
How much does each cost?
X6 launched at $700 and Alpha 99 II at $3,199. The X6 is $2,499 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way X6 vs Alpha 99 II 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.