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 7R III
42MP workhorse for landscape and studio before the A7R IV/V era.
$3,199
Launch priceReleased Oct 2017
X6 is 8.8 years newer.
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Wins
X6
Wins
Alpha 7R III
1 categories tied
Which would you choose?
TL;DR — Key differences
- BAlpha 7R III has higher AF points / zones (399 vs 0)
- BAlpha 7R III has higher ISO max (native) (32,000 vs 6,400)
- AX6 has higher 4K max frame rate (120 fps vs 30 fps)
- AX6 has lower Weight (196 g vs 657 g)
- AX6 has higher Burst (electronic) (30 fps vs 10 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 7R III
127 × 96 × 74 mm
657 g (1.45 lb / 23.18 oz)
X6 is 77mm narrower and 34mm thinner than Alpha 7R III but it is also 4mm taller.
X6 is 461 g lighter than Alpha 7R III.
Depth (front-to-back): 40mm X6 · 74mm Alpha 7R III
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 7R III
127 × 96 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 7R III
127 × 74 mm
Sensor size, to scale
Alpha 7R III
35.9 × 24 mm · Full Frame
862 mm² area
Lens ecosystem
Native lens selection
X6: mount data unavailable
Alpha 7R III
✓ 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
Stabilization modes
Adds FlowState, 360° Horizon Lock, InstaFrame 2.0…
Dimensions (W×H×D mm)
Adds 50, 100, 40
Card types
Adds microSD
4K max frame rate
120 fps vs 30 fps — higher is better
Weight
196 g vs 657 g — lower is better
Subject recognition
Adds Pet, Object
Burst (electronic)
30 fps vs 10 fps — higher is better
Reasons to choose
Alpha 7R III
AF points / zones
399 vs 0 — higher is better
Codecs
Adds XAVC S, AVCHD, H.264
Dimensions (W×H×D mm)
Adds 126.9, 95.6, 73.7
Card types
Adds SD UHS-II, SD UHS-I
ISO max (native)
32,000 vs 6,400 — higher is better
AA filter
Only Alpha 7R III supports it
Eye AF
Only Alpha 7R III supports it
Animal / bird AF
Only Alpha 7R III supports it
Both cameras share
- ✓ISO min (native) — Both 100
- ✓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 7R III
Pros
- ✓42MP proven
- ✓10fps with AF
- ✓Dual slots
- ✓Great used value
Cons
- –Superseded
- –No 8K
- –Older AF
Decided which one is right for you?
Compare live prices for the X6 and Alpha 7R III at major authorized retailers.
Insta360 X6
Sony Alpha 7R III
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, X6 or Alpha 7R III?
X6 scores 10.0/10 versus 3.5/10 for Alpha 7R III — 30fps burst — pro-level action capture.
What's the resolution difference between the X6 and Alpha 7R III?
X6 is 120 MP and Alpha 7R III is 42.4 MP, so the X6 captures more detail for cropping and large prints.
Do the X6 and Alpha 7R III have in-body image stabilization?
X6 uses FlowState 6-axis + 360° Horizon Lock (electronic), while Alpha 7R III has 5.5-stop in-body image stabilization.
Which shoots faster bursts — the X6 or the Alpha 7R III?
X6 reaches 30 fps electronic. Alpha 7R III reaches 10 fps electronic.
What's the weight difference between the X6 and Alpha 7R III?
X6 weighs 196 g and Alpha 7R III weighs 657 g, so the X6 is 461 g lighter.
Do the X6 and Alpha 7R III record 4K video?
X6: 8K 360 (max), 4K up to 120p. Alpha 7R III: 4K up to 30p.
Are the X6 and Alpha 7R III weather sealed?
X6: Yes. Alpha 7R III: Yes.
Which has better battery life?
Rated battery life is 520 shots (CIPA) for the X6 and 650 shots for the Alpha 7R III, giving the Alpha 7R III the edge.
How much does each cost?
X6 launched at $700 and Alpha 7R III 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 7R III 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.