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
Xtra
Atto
Ultra-compact 54g wearable action camera with 1/1.3-inch sensor, 4K/60fps, 143° FOV, 128GB internal storage, and 220-min battery with Vision Dock.
$299
Launch priceReleased Jan 2026
EOS R8 Mark II is 8 months newer.
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Wins
EOS R8 Mark II
Wins
Atto
1 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 Card slots (1 vs 0)
- BAtto has lower Weight (54 g vs 499 g)
- AEOS R8 Mark II has higher ISO max (native) (25,600 vs 6,400)
- BAtto has higher Battery life (CIPA) (640 shots vs 340 shots)
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
EOS R8 Mark II is 445 g heavier than Atto.
Depth (front-to-back): 80mm EOS R8 Mark II
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
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
Sensor size, to scale
EOS R8 Mark II
36 × 24 mm · Full Frame
864 mm² area
Atto
9.6 × 7.2 mm · Compact
69 mm² area
12.5× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
EOS R8 Mark II
✓ more lensesCanon RF
105+
native lenses available
Atto: 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 slots
1 vs 0 — higher is better
Card types
Adds SD, SDHC, SDXC
ISO max (native)
25,600 vs 6,400 — higher is better
Reasons to choose
Atto
Codecs
Adds H.264, H.265
Stabilization modes
Adds MotionMaster, TiltGuard
Card types
Adds microSD (via Vision Dock)
Weight
54 g vs 499 g — lower is better
Battery life (CIPA)
640 shots vs 340 shots — higher is better
4K max frame rate
60 fps vs 59.94 fps — higher is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓Pre-Capture / Pre-Release — Both support pre-capture / pre-release
- ✓Weather sealing — Both support weather sealing
- ✓Wi-Fi — Both support wi-fi
- ✓Bluetooth — Both support bluetooth
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
Atto
Pros
- ✓54g lightest in class
- ✓220 min with Vision Dock
- ✓128GB built-in + 600MB/s transfer
- ✓5-min pre-recording
Cons
- –No built-in screen
- –4K/60fps 16:9 only
- –10m waterproof (no case)
Decided which one is right for you?
Compare live prices for the EOS R8 Mark II and Atto at major authorized retailers.
Canon EOS R8 Mark II
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for portraits, EOS R8 Mark II or Atto?
EOS R8 Mark II scores 7.5/10 versus 1.0/10 for Atto — 24.2MP — solid resolution.
Do the EOS R8 Mark II and Atto have in-body image stabilization?
EOS R8 Mark II has 7.5-stop in-body image stabilization, while Atto uses Electronic stabilization (MotionMaster + TiltGuard) (electronic).
What's the weight difference between the EOS R8 Mark II and Atto?
EOS R8 Mark II weighs 499 g and Atto weighs 54 g, so the Atto is 445 g lighter.
Do the EOS R8 Mark II and Atto record 4K video?
EOS R8 Mark II: 4K up to 59.94p. Atto: 4K up to 60p.
Are the EOS R8 Mark II and Atto weather sealed?
EOS R8 Mark II: Yes. Atto: Yes.
Which has better battery life?
Rated battery life is 340 shots (CIPA) for the EOS R8 Mark II and 640 shots for the Atto, giving the Atto the edge.
How much does each cost?
EOS R8 Mark II launched at $1,899 and Atto at $299. The Atto is $1,600 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way EOS R8 Mark II vs Atto vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed September 2026.
Product images courtesy of Canon and Xtra press materials.