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X6

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 price

Released Aug 2026

vs

Pentax

K-1 Mark II

36MP full-frame DSLR with IBIS and rugged build.

$1,999

Launch price

Released Feb 2018

X6 is 8.5 years newer.

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Wins

8categories

X6

Sports & ActionTravel

Wins

4categories

K-1 Mark II

WildlifePortrait

1 categories tied

Which would you choose?

TL;DR — Key differences

X6 wins 3 categories·K-1 Mark II wins 2 categories
  • BK-1 Mark II has higher AF points / zones (101 vs 0)
  • BK-1 Mark II has higher ISO max (native) (25,600 vs 6,400)
  • AX6 has lower Weight (196 g vs 720 g)
  • AX6 has higher Resolution (120 MP vs 36 MP)
  • AX6 has higher 4K max frame rate (120 fps vs 60 fps)

Key specs at a glance

X6K-1 Mark II
Resolution120 MP36 MP
Sensor1/1.1"Full Frame
ISO max6,40025,600
Burst30 fps20 fps
4K120 fps60 fps
IBISNo7-stop
Weight196 g720 g
Battery520 shots640 shots

Size and weight, to scale

X6 front view

X6

50 × 100 × 40 mm

196 g (0.43 lb / 6.91 oz)

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

for scale

K-1 Mark II

138 × 98 × 88 mm

720 g (1.59 lb / 25.40 oz)

X6 is 88mm narrower and 48mm thinner than K-1 Mark II but it is also 2mm taller.

X6 is 524 g lighter than K-1 Mark II.

Depth (front-to-back): 40mm X6 · 88mm K-1 Mark II

Back view, to scale

Width × Height — same proportions as the front of the body.

X6 back view

X6

50 × 100 mm

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

K-1 Mark II

138 × 98 mm

Top view, to scale

Width × Depth (front-to-back) — see which body is chunkier on the table.

X6 top view

X6

50 × 40 mm

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

K-1 Mark II

138 × 88 mm

Sensor size, to scale

K-1 Mark II

36 × 24 mm · Full Frame

864 mm² area

Lens ecosystem

Native lens selection

X6: mount data unavailable

K-1 Mark II

✓ more lenses

Pentax K

70+

native lenses available

30 first-party40 third-party

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

Use caseX6K-1 Mark II
Portrait
3.0Limited
8.0Excellent✓ wins
Sports & Action
10.0Excellent✓ wins
6.5Good
Video & Hybrid
6.0Good
6.0Good
Landscape
5.0Fair
7.5Good✓ wins
Travel
6.5Good
7.5Good✓ wins
Wildlife
5.5Fair
9.0Excellent✓ wins
Vlogging
3.5Limited
5.5Fair✓ wins

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 720 g — lower is better

  • Resolution

    120 MP vs 36 MP — higher is better

  • Subject recognition

    Adds Pet, Object

  • 4K max frame rate

    120 fps vs 60 fps — higher is better

  • RAW buffer depth

    200 frames vs 120 frames — higher is better

Reasons to choose

K-1 Mark II

  • AF points / zones

    101 vs 0 — higher is better

  • Dimensions (W×H×D mm)

    Adds 138, 98, 88

  • 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 K-1 Mark II supports it

  • Eye AF

    Only K-1 Mark II supports it

  • Animal / bird AF

    Only K-1 Mark II supports it

Both cameras share

  • ISO min (native)Both 100
  • Pre-Capture / Pre-ReleaseBoth support pre-capture / pre-release
  • Weather sealingBoth support weather sealing
  • TouchscreenBoth support touchscreen
  • Wi-FiBoth support wi-fi
  • BluetoothBoth 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

K-1 Mark II

Pros

  • 36MP FF DSLR
  • IBIS
  • Rugged
  • Affordable used

Cons

  • DSLR
  • Slow AF
  • Heavy

Decided which one is right for you?

Compare live prices for the X6 and K-1 Mark II at major authorized retailers.

Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.

Full specifications

= category winner

X6
K-1 Mark II
Resolution
120 MP3.3× more
36 MP
Sensor type
Dual Sony custom 1/1.1-inch square CMOS (1-inch equivalent 360)
Full Frame CMOS
Sensor size
1/1.1"
36.0 × 24.0 mm
AA filter
No
Yes
X6
K-1 Mark II
Aperture
f/2.0
Focal length (35mm equiv.)
7.78 mm
X6
K-1 Mark II
Processor
Qualcomm 4nm flagship + dual dedicated AI imaging chips
Image processor
X6
K-1 Mark II
ISO min (native)
100
100
ISO max (native)
6,400
25,600+2 stops
ISO max (expanded)
6,400
102,400
X6
K-1 Mark II
Shutter type
Electronic shutter
Mechanical + Electronic
Max mechanical speed
1/8000 sec
1/8000 sec
Max electronic speed
1/8000 sec
1/16000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for portraits, X6 or K-1 Mark II?

K-1 Mark II scores 8.0/10 versus 3.0/10 for X6 — 36MP — ample resolution for portraits.

What's the resolution difference between the X6 and K-1 Mark II?

X6 is 120 MP and K-1 Mark II is 36 MP, so the X6 captures more detail for cropping and large prints.

Do the X6 and K-1 Mark II have in-body image stabilization?

X6 uses FlowState 6-axis + 360° Horizon Lock (electronic), while K-1 Mark II has 7-stop in-body image stabilization.

Which shoots faster bursts — the X6 or the K-1 Mark II?

X6 reaches 30 fps electronic. K-1 Mark II reaches 20 fps electronic.

What's the weight difference between the X6 and K-1 Mark II?

X6 weighs 196 g and K-1 Mark II weighs 720 g, so the X6 is 524 g lighter.

Do the X6 and K-1 Mark II record 4K video?

X6: 8K 360 (max), 4K up to 120p. K-1 Mark II: 4K up to 60p.

Are the X6 and K-1 Mark II weather sealed?

X6: Yes. K-1 Mark II: Yes.

Which has better battery life?

Rated battery life is 520 shots (CIPA) for the X6 and 640 shots for the K-1 Mark II, giving the K-1 Mark II the edge.

How much does each cost?

X6 launched at $700 and K-1 Mark II at $1,999. The X6 is $1,299 less.

Can't decide between two? Compare a third camera.

Add any camera to get a three-way X6 vs K-1 Mark II vs X comparison.

Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed September 2026.

Product images courtesy of Insta360 and Pentax press materials.