Sony
Alpha 1 II
50MP stacked flagship with 30fps RAW, 8K video, and Sony's fastest hybrid performance.
$6,499
Launch priceReleased Nov 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 1.2 years newer.
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Wins
Alpha 1 II
Wins
Atto
1 categories tied
Which would you choose?
TL;DR — Key differences
- AAlpha 1 II has higher AF points / zones (759 vs 0)
- AAlpha 1 II has higher Card slots (2 vs 0)
- BAtto has lower Weight (54 g vs 743 g)
- AAlpha 1 II has higher ISO max (native) (32,000 vs 6,400)
- AAlpha 1 II has higher 4K max frame rate (120 fps vs 60 fps)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
Alpha 1 II
136 × 97 × 83 mm
743 g (1.64 lb / 26.21 oz)
Credit card
85.6 × 54 mm
for scale
Alpha 1 II is 689 g heavier than Atto.
Depth (front-to-back): 83mm Alpha 1 II
Sensor size, to scale
Alpha 1 II
35.9 × 24 mm · Full Frame
862 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
Alpha 1 II
✓ more lensesSony E
350+
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
Alpha 1 II
AF points / zones
759 vs 0 — higher is better
Subject recognition
Adds Human, Animal, Bird…
Dimensions (W×H×D mm)
Adds 136.1, 96.9, 82.9
Card slots
2 vs 0 — higher is better
Card types
Adds CFexpress Type A, SD UHS-II
ISO max (native)
32,000 vs 6,400 — higher is better
Codecs
Adds XAVC HS, XAVC S, XAVC S-I
AA filter
Only Alpha 1 II supports it
Reasons to choose
Atto
Stabilization modes
Adds MotionMaster, TiltGuard
Card types
Adds microSD (via Vision Dock)
Weight
54 g vs 743 g — lower is better
Battery life (CIPA)
640 shots vs 520 shots — 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.
Alpha 1 II
Pros
- ✓50MP stacked sensor
- ✓30fps blackout-free burst
- ✓8K 30p video
- ✓Best Sony AF
Cons
- –Very expensive
- –Complex menus
- –Large files
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 Alpha 1 II and Atto at major authorized retailers.
Sony Alpha 1 II
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for portraits, Alpha 1 II or Atto?
Alpha 1 II scores 8.5/10 versus 1.0/10 for Atto — 50.1MP — excellent for large prints and crops.
Do the Alpha 1 II and Atto have in-body image stabilization?
Alpha 1 II has 8.5-stop in-body image stabilization, while Atto uses Electronic stabilization (MotionMaster + TiltGuard) (electronic).
What's the weight difference between the Alpha 1 II and Atto?
Alpha 1 II weighs 743 g and Atto weighs 54 g, so the Atto is 689 g lighter.
Do the Alpha 1 II and Atto record 4K video?
Alpha 1 II: 8K (max), 4K up to 120p. Atto: 4K up to 60p.
Are the Alpha 1 II and Atto weather sealed?
Alpha 1 II: Yes. Atto: Yes.
Which has better battery life?
Rated battery life is 520 shots (CIPA) for the Alpha 1 II and 640 shots for the Atto, giving the Atto the edge.
How much does each cost?
Alpha 1 II launched at $6,499 and Atto at $299. The Atto is $6,200 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way Alpha 1 II vs Atto vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of Sony and Xtra press materials.