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 7 IV
33MP hybrid all-rounder with 10-bit 4K 60p and AI-powered subject tracking.
$2,499
Launch priceReleased Oct 2021
sd Quattro one is 2.4 years newer.
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Wins
sd Quattro one
Wins
Alpha 7 IV
5 categories tied
Which would you choose?
TL;DR — Key differences
- BAlpha 7 IV has higher AF points / zones (759 vs 49)
- BAlpha 7 IV has higher RAW buffer depth (828 frames vs 60 frames)
- BAlpha 7 IV has higher Max video bit rate (600 Mbps vs 150 Mbps)
- BAlpha 7 IV has higher ISO max (native) (51,200 vs 25,600)
- Asd Quattro one has higher Resolution (61 MP vs 33 MP)
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 7 IV
131 × 96 × 80 mm
658 g (1.45 lb / 23.21 oz)
sd Quattro one is 17mm narrower, 27mm shorter, and 20mm thinner than Alpha 7 IV.
sd Quattro one is 33 g lighter than Alpha 7 IV.
Depth (front-to-back): 60mm sd Quattro one · 80mm Alpha 7 IV
Back view, to scale
Width × Height — same proportions as the front of the body.
sd Quattro one
114 × 70 mm
Credit card
85.6 × 54 mm
Alpha 7 IV
131 × 96 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
sd Quattro one
114 × 60 mm
Credit card
85.6 × 54 mm
Alpha 7 IV
131 × 80 mm
Sensor size, to scale
sd Quattro one
23.5 × 15.7 mm · APS-C
369 mm² area
Alpha 7 IV
35.9 × 23.9 mm · Full Frame
858 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 7 IV
✓ 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
Pre-Capture / Pre-Release
Only sd Quattro one supports it
Resolution
61 MP vs 33 MP — higher is better
Burst (electronic)
15 fps vs 10 fps — higher is better
Subject recognition
Adds Vehicle
Battery life (CIPA)
640 shots vs 580 shots — higher is better
IBIS effectiveness
6 stops vs 5.5 stops — higher is better
Reasons to choose
Alpha 7 IV
Dimensions (W×H×D mm)
Adds 131.3, 96.4, 79.8
AF points / zones
759 vs 49 — higher is better
RAW buffer depth
828 frames vs 60 frames — higher is better
Max video bit rate
600 Mbps vs 150 Mbps — higher is better
Codecs
Adds XAVC HS, XAVC S, XAVC S-I
AA filter
Only Alpha 7 IV supports it
ISO max (native)
51,200 vs 25,600 — higher is better
Subject recognition
Adds Insect, Car/Train, Airplane
Both cameras share
- ✓ISO min (native) — Both 100
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓4K max frame rate — Both 60 fps
- ✓In-body stabilization (IBIS) — Both support in-body stabilization (ibis)
- ✓Weather sealing — Both support weather sealing
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 7 IV
Pros
- ✓33MP — more detail for cropping and print
- ✓10-bit 4K 60p (Super35 crop) / 4K 30p full-frame
- ✓Full-size HDMI port
- ✓759 phase-detect AF points
Cons
- –4K 60p requires Super35 crop
- –10fps burst lags behind R6 II at 40fps
- –Complex menu system
Decided which one is right for you?
Compare live prices for the sd Quattro one and Alpha 7 IV at major authorized retailers.
Sigma sd Quattro one
Sony Alpha 7 IV
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for portraits, sd Quattro one or Alpha 7 IV?
Alpha 7 IV scores 9.0/10 versus 7.5/10 for sd Quattro one — 33MP — ample resolution for portraits.
What's the resolution difference between the sd Quattro one and Alpha 7 IV?
sd Quattro one is 61 MP and Alpha 7 IV is 33 MP, so the sd Quattro one captures more detail for cropping and large prints.
Do the sd Quattro one and Alpha 7 IV have in-body image stabilization?
sd Quattro one has 6-stop in-body image stabilization, while Alpha 7 IV has 5.5-stop in-body image stabilization.
Which shoots faster bursts — the sd Quattro one or the Alpha 7 IV?
sd Quattro one reaches 15 fps electronic. Alpha 7 IV reaches 10 fps electronic.
What's the weight difference between the sd Quattro one and Alpha 7 IV?
sd Quattro one weighs 625 g and Alpha 7 IV weighs 658 g, so the sd Quattro one is 33 g lighter.
Do the sd Quattro one and Alpha 7 IV record 4K video?
sd Quattro one: 4K up to 60p. Alpha 7 IV: 4K up to 60p.
Are the sd Quattro one and Alpha 7 IV weather sealed?
sd Quattro one: Yes. Alpha 7 IV: Yes.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the sd Quattro one and 580 shots for the Alpha 7 IV, giving the sd Quattro one the edge.
How much does each cost?
Both launched at $2,499.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way sd Quattro one vs Alpha 7 IV 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.