Sigma
sd Quattro one
Latest Foveon APS-C body with 61MP-equivalent detail, unique color rendering, and weather sealing.
$2,499
Launch priceReleased Mar 2024
Sony
Alpha 1 II
50MP stacked flagship with 30fps RAW, 8K video, and Sony's fastest hybrid performance.
$6,499
Launch priceReleased Nov 2024
Alpha 1 II is 8 months newer.
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Wins
sd Quattro one
Wins
Alpha 1 II
3 categories tied
Which would you choose?
TL;DR — Key differences
- BAlpha 1 II has higher AF points / zones (759 vs 49)
- BAlpha 1 II has higher EVF resolution (9,437,184 vs 2,360,000)
- BAlpha 1 II has higher RAW buffer depth (200 frames vs 60 frames)
- BAlpha 1 II has higher Burst (electronic) (30 fps vs 15 fps)
- BAlpha 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 sharesd Quattro one
114 × 70 × 60 mm
625 g (1.38 lb / 22.05 oz)
Credit card
85.6 × 54 mm
for scale
Alpha 1 II
136 × 97 × 83 mm
743 g (1.64 lb / 26.21 oz)
sd Quattro one is 22mm narrower, 27mm shorter, and 23mm thinner than Alpha 1 II.
sd Quattro one is 118 g lighter than Alpha 1 II.
Depth (front-to-back): 60mm sd Quattro one · 83mm Alpha 1 II
Sensor size, to scale
sd Quattro one
23.5 × 15.7 mm · APS-C
369 mm² area
Alpha 1 II
35.9 × 24 mm · Full Frame
862 mm² area
2.3× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
sd Quattro one: mount data unavailable
Alpha 1 II
✓ more lensesSony E
350+
native lenses available
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
sd Quattro one
AF low-light limit
-5 EV vs -4 EV — lower is better
Dimensions (W×H×D mm)
Adds 113.9, 69.9, 59.9
Subject recognition
Adds Vehicle
Battery life (CIPA)
640 shots vs 520 shots — higher is better
Resolution
61 MP vs 50.1 MP — higher is better
Weight
625 g vs 743 g — lower is better
Reasons to choose
Alpha 1 II
Dimensions (W×H×D mm)
Adds 136.1, 96.9, 82.9
AF points / zones
759 vs 49 — higher is better
EVF resolution
9,437,184 vs 2,360,000 — higher is better
RAW buffer depth
200 frames vs 60 frames — higher is better
Codecs
Adds XAVC HS, XAVC S, XAVC S-I
AA filter
Only Alpha 1 II supports it
Subject recognition
Adds Insect, Car/Train, Airplane
Burst (electronic)
30 fps vs 15 fps — higher is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Pre-Capture / Pre-Release — Both support pre-capture / pre-release
- ✓Max video bit rate — Both 150 Mbps
- ✓In-body stabilization (IBIS) — Both support in-body stabilization (ibis)
Pros & cons at a glance
Editorially curated highlights and trade-offs.
sd Quattro one
Pros
- ✓Unique Foveon color science
- ✓61MP-equivalent detail
- ✓Weather sealed
- ✓Distinct stills look
Cons
- –Slow operation
- –Limited SA lens line
- –Poor high ISO
Alpha 1 II
Pros
- ✓50MP stacked sensor
- ✓30fps blackout-free burst
- ✓8K 30p video
- ✓Best Sony AF
Cons
- –Very expensive
- –Complex menus
- –Large files
Decided which one is right for you?
Compare live prices for the sd Quattro one and Alpha 1 II at major authorized retailers.
Sigma sd Quattro one
Sony Alpha 1 II
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, sd Quattro one or Alpha 1 II?
Alpha 1 II scores 10.0/10 versus 6.5/10 for sd Quattro one — 30fps burst — pro-level action capture.
What's the resolution difference between the sd Quattro one and Alpha 1 II?
sd Quattro one is 61 MP and Alpha 1 II is 50.1 MP, so the sd Quattro one captures more detail for cropping and large prints.
Do the sd Quattro one and Alpha 1 II have in-body image stabilization?
sd Quattro one has 6-stop in-body image stabilization, while Alpha 1 II has 8.5-stop in-body image stabilization.
Which shoots faster bursts — the sd Quattro one or the Alpha 1 II?
sd Quattro one reaches 15 fps electronic. Alpha 1 II reaches 30 fps electronic.
What's the weight difference between the sd Quattro one and Alpha 1 II?
sd Quattro one weighs 625 g and Alpha 1 II weighs 743 g, so the sd Quattro one is 118 g lighter.
Do the sd Quattro one and Alpha 1 II record 4K video?
sd Quattro one: 4K up to 60p. Alpha 1 II: 8K (max), 4K up to 120p.
Are the sd Quattro one and Alpha 1 II weather sealed?
sd Quattro one: Yes. Alpha 1 II: Yes.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the sd Quattro one and 520 shots for the Alpha 1 II, giving the sd Quattro one the edge.
How much does each cost?
sd Quattro one launched at $2,499 and Alpha 1 II at $6,499. The sd Quattro one is $4,000 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way sd Quattro one vs Alpha 1 II vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of Sigma and Sony press materials.