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 priceReleased Sep 2026
Insta360
X3
5.7K 360 camera with dual 1/2-inch 48MP sensors, 72MP photos, 4K single-lens mode, and IPX8 10m waterproofing.
$449
Launch priceReleased Sep 2022
EOS R8 Mark II is 4 years newer.
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Wins
EOS R8 Mark II
Wins
X3
3 categories tied
Which would you choose?
TL;DR — Key differences
- AEOS R8 Mark II has higher AF points / zones (1053 vs 0)
- AEOS R8 Mark II has higher ISO max (native) (25,600 vs 6,400)
- AEOS R8 Mark II has higher 1080p max frame rate (180 fps vs 60 fps)
- BX3 has higher Resolution (72 MP vs 24.2 MP)
- BX3 has lower Weight (180 g vs 499 g)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
EOS R8 Mark II
131 × 90 × 80 mm
499 g (1.10 lb / 17.60 oz)
Credit card
85.6 × 54 mm
for scale
X3
46 × 114 × 33 mm
180 g (0.40 lb / 6.35 oz)
EOS R8 Mark II is 24mm shorter than X3 but it is also 85mm wider and 47mm thicker.
EOS R8 Mark II is 319 g heavier than X3.
Depth (front-to-back): 80mm EOS R8 Mark II · 33mm X3
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R8 Mark II
131 × 90 mm
Credit card
85.6 × 54 mm
X3
46 × 114 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
EOS R8 Mark II
131 × 80 mm
Credit card
85.6 × 54 mm
X3
46 × 33 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 lensesCanon RF
105+
native lenses available
X3: 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
Why pick one over the other
Reasons to choose
EOS R8 Mark II
AF points / zones
1053 vs 0 — higher is better
Subject recognition
Adds Human, Animal, Bird…
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
ISO max (native)
25,600 vs 6,400 — higher is better
1080p max frame rate
180 fps vs 60 fps — higher is better
Reasons to choose
X3
Codecs
Adds H.264, H.265
Stabilization modes
Adds FlowState, 360° Horizon Lock, Active HDR
Dimensions (W×H×D mm)
Adds 46, 114, 33.1
Card types
Adds microSD
Resolution
72 MP vs 24.2 MP — higher is better
Weight
180 g vs 499 g — lower is better
Internal RAW video
Only X3 supports it
Battery life (CIPA)
640 shots vs 340 shots — higher is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓Burst (mechanical) — Both 6 fps
- ✓Pre-Capture / Pre-Release — Both support pre-capture / pre-release
- ✓Weather sealing — Both support weather sealing
- ✓Card slots — Both 1
- ✓Touchscreen — Both support touchscreen
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
X3
Pros
- ✓72MP 360 photos
- ✓5.7K60 360 video
- ✓Great value used
- ✓10m waterproof
Cons
- –No 8K vs X4
- –Single-lens capped at 4K30
- –Older AI editing
Decided which one is right for you?
Compare live prices for the EOS R8 Mark II and X3 at major authorized retailers.
Canon EOS R8 Mark II
Insta360 X3
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, EOS R8 Mark II or X3?
EOS R8 Mark II scores 10.0/10 versus 5.0/10 for X3 — 40fps burst — pro-level action capture.
What's the resolution difference between the EOS R8 Mark II and X3?
EOS R8 Mark II is 24.2 MP and X3 is 72 MP, so the X3 captures more detail for cropping and large prints.
Do the EOS R8 Mark II and X3 have in-body image stabilization?
EOS R8 Mark II has 7.5-stop in-body image stabilization, while X3 uses FlowState + 360° Horizon Lock (electronic).
Which shoots faster bursts — the EOS R8 Mark II or the X3?
EOS R8 Mark II reaches 40 fps electronic. X3 reaches 15 fps electronic.
What's the weight difference between the EOS R8 Mark II and X3?
EOS R8 Mark II weighs 499 g and X3 weighs 180 g, so the X3 is 319 g lighter.
Do the EOS R8 Mark II and X3 record 4K video?
EOS R8 Mark II: 4K up to 59.94p. X3: 4K up to 30p.
Are the EOS R8 Mark II and X3 weather sealed?
EOS R8 Mark II: Yes. X3: Yes.
Which has better battery life?
Rated battery life is 340 shots (CIPA) for the EOS R8 Mark II and 640 shots for the X3, giving the X3 the edge.
How much does each cost?
EOS R8 Mark II launched at $1,899 and X3 at $449. The X3 is $1,450 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way EOS R8 Mark II vs X3 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.