Canon
EOS R1
Flagship 24.2MP full-frame BSI stacked RF body with 40fps burst, Dual Pixel Intelligent AF, 6K RAW, and 9.44M-dot EVF.
$6,299
Launch priceReleased Jul 2024
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
Atto is 1.5 years newer.
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Wins
EOS R1
Wins
Atto
1 categories tied
Which would you choose?
TL;DR — Key differences
- AEOS R1 has higher AF points / zones (1053 vs 0)
- AEOS R1 has higher Card slots (2 vs 0)
- BAtto has lower Weight (54 g vs 920 g)
- AEOS R1 has higher ISO max (native) (102,400 vs 6,400)
- AEOS R1 has higher Battery life (CIPA) (1330 shots vs 640 shots)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
EOS R1
158 × 150 × 87 mm
920 g (2.03 lb / 32.45 oz)
Credit card
85.6 × 54 mm
for scale
EOS R1 is 866 g heavier than Atto.
Depth (front-to-back): 87mm EOS R1
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R1
158 × 150 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 R1
158 × 87 mm
Credit card
85.6 × 54 mm
Sensor size, to scale
EOS R1
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 R1
✓ 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 R1
AF points / zones
1053 vs 0 — higher is better
Subject recognition
Adds People, Dogs, Cats…
Dimensions (W×H×D mm)
Adds 157.6, 149.5, 87.3
Card slots
2 vs 0 — higher is better
Card types
Adds CFexpress Type B, CFexpress Type B
ISO max (native)
102,400 vs 6,400 — higher is better
Codecs
Adds RAW, XF-HEVC S, XF-AVC S
Battery life (CIPA)
1330 shots vs 640 shots — higher is better
Reasons to choose
Atto
Stabilization modes
Adds MotionMaster, TiltGuard
Card types
Adds microSD (via Vision Dock)
Weight
54 g vs 920 g — lower 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 R1
Pros
- ✓40fps electronic burst
- ✓24.2MP BSI stacked full-frame sensor
- ✓Dual Pixel Intelligent AF
- ✓6K RAW and 4K 120p video
- ✓Dual CFexpress Type B slots
Cons
- –24MP resolution
- –Very expensive
- –Large integrated-grip body
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 R1 and Atto at major authorized retailers.
Canon EOS R1
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for portraits, EOS R1 or Atto?
EOS R1 scores 7.5/10 versus 1.0/10 for Atto — 24.2MP — solid resolution.
Do the EOS R1 and Atto have in-body image stabilization?
EOS R1 has 8.5-stop in-body image stabilization, while Atto uses Electronic stabilization (MotionMaster + TiltGuard) (electronic).
What's the weight difference between the EOS R1 and Atto?
EOS R1 weighs 920 g and Atto weighs 54 g, so the Atto is 866 g lighter.
Do the EOS R1 and Atto record 4K video?
EOS R1: 6K RAW (max), 4K up to 120p. Atto: 4K up to 60p.
Are the EOS R1 and Atto weather sealed?
EOS R1: Yes. Atto: Yes.
Which has better battery life?
Rated battery life is 1,330 shots (CIPA) for the EOS R1 and 640 shots for the Atto, giving the EOS R1 the edge.
How much does each cost?
EOS R1 launched at $6,299 and Atto at $299. The Atto is $6,000 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way EOS R1 vs Atto vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of Canon and Xtra press materials.