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EOS R8 Mark II

Canon

EOS R8 Mark II

Compact 24.2MP full-frame RF body with 5-axis IBIS (up to 7.5-stop Coordinated Control IS), Dual Pixel CMOS AF II, 40fps electronic bursts, and 6K-oversampled 4K 60p.

$1,899

Launch price

Released Sep 2026

vs
X4 Air

Insta360

X4 Air

Ultralight 165g 8K 360 camera with dual 1/1.8-inch sensors, replaceable lenses, AdaptiveTone exposure, 15m waterproofing, and swappable 2010mAh battery.

$400

Launch price

Released Oct 2025

EOS R8 Mark II is 11 months newer.

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Wins

10categories

EOS R8 Mark II

Sports & ActionWildlife

Wins

4categories

X4 Air

Sports & ActionWildlife

2 categories tied

Which would you choose?

TL;DR — Key differences

EOS R8 Mark II wins 5 categories·X4 Air wins 0 categories
  • AEOS R8 Mark II has lower AF low-light limit (-7.5 EV vs 0 EV)
  • AEOS R8 Mark II has higher Battery life (CIPA) (340 shots vs -1 shots)
  • AEOS R8 Mark II has higher AF points / zones (1053 vs 0)
  • AEOS R8 Mark II has higher AF frame coverage (100 % vs 0 %)
  • AEOS R8 Mark II has higher ISO max (native) (25,600 vs 3,200)

Key specs at a glance

EOS R8 Mark IIX4 Air
Resolution24.2 MP29 MP
SensorFull Frame1/1.8"
ISO max25,6003,200
Burst40 fps20 fps
4K59.94 fps30 fps
IBIS7.5-stop7-stop
Weight499 g165 g
Battery340 shots-1 shots

Size and weight, to scale

EOS R8 Mark II front view

EOS R8 Mark II

131 × 90 × 80 mm

499 g (1.10 lb / 17.60 oz)

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

Credit card

85.6 × 54 mm

for scale

X4 Air front view

X4 Air

46 × 114 × 37 mm

165 g (0.36 lb / 5.82 oz)

EOS R8 Mark II is 24mm shorter than X4 Air but it is also 85mm wider and 43mm thicker.

EOS R8 Mark II is 334 g heavier than X4 Air.

Depth (front-to-back): 80mm EOS R8 Mark II · 37mm X4 Air

Back view, to scale

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

EOS R8 Mark II back view

EOS R8 Mark II

131 × 90 mm

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

Credit card

85.6 × 54 mm

X4 Air back view

X4 Air

46 × 114 mm

Top view, to scale

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

EOS R8 Mark II top view

EOS R8 Mark II

131 × 80 mm

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

Credit card

85.6 × 54 mm

X4 Air top view

X4 Air

46 × 37 mm

Sensor size, to scale

EOS R8 Mark II

36 × 24 mm · Full Frame

864 mm² area

Lens ecosystem

Native lens selection

EOS R8 Mark II

✓ more lenses

Canon RF

105+

native lenses available

45 first-party60 third-party

X4 Air: mount data unavailable

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 caseEOS R8 Mark IIX4 Air
Portrait
7.5Good✓ wins
5.0Fair
Sports & Action
10.0Excellent✓ wins
9.5Excellent
Video & Hybrid
3.5Limited
5.0Fair✓ wins
Landscape
6.0Good✓ wins
4.0Fair
Travel
8.0Excellent✓ wins
7.0Good
Wildlife
9.0Excellent
9.0Excellent
Vlogging
6.5Good
6.5Good

Why pick one over the other

Reasons to choose

EOS R8 Mark II

  • AF low-light limit

    -7.5 EV vs 0 EV — lower is better

  • Battery life (CIPA)

    340 shots vs -1 shots — higher is better

  • AF points / zones

    1053 vs 0 — higher is better

  • AF frame coverage

    100 % vs 0 % — higher is better

  • Codecs

    Adds XF-HEVC S

  • Stabilization modes

    Adds IBIS, Coordinated Control IS, Movie Digital IS…

  • Dimensions (W×H×D mm)

    Adds 131.3, 89.9, 79.8

  • Card types

    Adds SD, SDHC, SDXC

Reasons to choose

X4 Air

  • Codecs

    Adds H.264, AVC, H.265…

  • Dimensions (W×H×D mm)

    Adds 46, 113.8, 37

  • Card types

    Adds microSD, microSDHC

  • Weight

    165 g vs 499 g — lower is better

  • Internal RAW video

    Only X4 Air supports it

  • RAW buffer depth

    120 frames vs 73 frames — higher is better

  • Burst (mechanical)

    8 fps vs 6 fps — higher is better

  • Resolution

    29 MP vs 24.2 MP — higher is better

Both cameras share

  • AA filterBoth support aa filter
  • ISO min (native)Both 100
  • Eye AFBoth support eye af
  • Animal / bird AFBoth support animal / bird af
  • Pre-Capture / Pre-ReleaseBoth support pre-capture / pre-release
  • In-body stabilization (IBIS)Both support in-body stabilization (ibis)

Pros & cons at a glance

Editorially curated highlights and trade-offs.

EOS R8 Mark II

Pros

  • Lightest EOS full-frame body with IBIS (546g)
  • Up to 7.5-stop Coordinated Control IS
  • 40fps electronic + 20-frame pre-capture
  • Uncropped 6K-oversampled 4K 60p / FHD 180p
  • Wi-Fi 6, USB 10 Gbps, headphone jack

Cons

  • Same 24.2MP sensor as original R8
  • Single SD UHS-II slot
  • LP-E17 battery (~340 LCD / 220 EVF shots)
  • No mechanical shutter

X4 Air

Pros

  • Lightest Insta360 8K 360 (165g)
  • Dual 1/1.8-inch sensors (134% more pixel area vs X4)
  • 8K30 + 6K50 360; 4K single-lens mode
  • Replaceable lenses + 15m waterproof
  • AdaptiveTone + Portrait Mode

Cons

  • No 8K60 vs X5 flagship
  • 8K runtime ~88 min
  • 360 workflow needs reframing
  • Fewer pro codecs than X5

Decided which one is right for you?

Compare live prices for the EOS R8 Mark II and X4 Air 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

EOS R8 Mark II
X4 Air
Resolution
24.2 MP
29 MP+20%
Sensor type
CMOS
CMOS
Sensor size
36 x 24 mm
1/1.8"
AA filter
Yes
Yes
EOS R8 Mark II
X4 Air
Aperture
1.95
Focal length (35mm equiv.)
6.4
Field of view
170 °
EOS R8 Mark II
X4 Air
Processor
DIGIC X
5nm AI chip
EOS R8 Mark II
X4 Air
ISO min (native)
100
100
ISO max (native)
25,600+3 stops
3,200
ISO max (expanded)
102,400
102,400
EOS R8 Mark II
X4 Air
Shutter type
Electronic Rolling Shutter
Mechanical + Electronic
Max mechanical speed
1/4000 sec
1/8000 sec
Max electronic speed
1/16000 sec
1/16000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for portraits, EOS R8 Mark II or X4 Air?

EOS R8 Mark II scores 7.5/10 versus 5.0/10 for X4 Air — 24.2MP — solid resolution.

What's the resolution difference between the EOS R8 Mark II and X4 Air?

EOS R8 Mark II is 24.2 MP and X4 Air is 29 MP, so the X4 Air captures more detail for cropping and large prints.

Do the EOS R8 Mark II and X4 Air have in-body image stabilization?

EOS R8 Mark II has 7.5-stop in-body image stabilization, while X4 Air has 7-stop in-body image stabilization.

Which shoots faster bursts — the EOS R8 Mark II or the X4 Air?

EOS R8 Mark II reaches 40 fps electronic. X4 Air reaches 20 fps electronic.

What's the weight difference between the EOS R8 Mark II and X4 Air?

EOS R8 Mark II weighs 499 g and X4 Air weighs 165 g, so the X4 Air is 334 g lighter.

Do the EOS R8 Mark II and X4 Air record 4K video?

EOS R8 Mark II: 4K up to 59.94p. X4 Air: 4K up to 30p.

Are the EOS R8 Mark II and X4 Air weather sealed?

EOS R8 Mark II: Yes. X4 Air: Yes.

Which has better battery life?

Rated battery life is 340 shots (CIPA) for the EOS R8 Mark II and -1 shots for the X4 Air, giving the EOS R8 Mark II the edge.

How much does each cost?

EOS R8 Mark II launched at $1,899 and X4 Air at $400. The X4 Air is $1,499 less.

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

Add any camera to get a three-way EOS R8 Mark II vs X4 Air vs X comparison.

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

Product images courtesy of Canon and Insta360 press materials.