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Sigma

sd Quattro H

Foveon sensor APS-H body with unique color rendering for stills purists.

$1,299

Released Mar 2016

vs

Sony

Alpha 9 III

Global shutter sports flagship with 120fps and zero rolling shutter for pro action.

$5,999

Released Jan 2024

Alpha 9 III is 7.9 years newer.

Wins

5categories

sd Quattro H

WildlifePortrait

Wins

10categories

Alpha 9 III

WildlifeSports & Action

3 categories tied

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TL;DR — Key differences

sd Quattro H wins 1 categories·Alpha 9 III wins 4 categories
  • Asd Quattro H has higher Burst (mechanical) (6 fps vs 0 fps)
  • BAlpha 9 III has higher AF points / zones (759 vs 49)
  • BAlpha 9 III has higher Burst (electronic) (120 fps vs 15 fps)
  • BAlpha 9 III has higher Max video bit rate (600 Mbps vs 150 Mbps)
  • BAlpha 9 III has higher EVF resolution (9,437,184 vs 2,360,000)

Key specs at a glance

sd Quattro HAlpha 9 III
Resolution44.8 MP24.6 MP
SensorAPS-CFull Frame
ISO max25,60025,600
Burst15 fps120 fps
4K60 fps120 fps
IBIS6-stop8-stop
Weight520 g703 g
Battery640 shots400 shots

Size and weight, to scale

sd Quattro H

138 × 98 × 88 mm

520 g (1.15 lb / 18.34 oz)

Alpha 9 III

136 × 97 × 83 mm

703 g (1.55 lb / 24.80 oz)

sd Quattro H is 2mm wider, 1mm taller, and 5mm thicker than Alpha 9 III.

sd Quattro H is 183 g lighter than Alpha 9 III.

Depth (front-to-back): 88mm sd Quattro H · 83mm Alpha 9 III

Sensor size, to scale

sd Quattro H

23.5 × 15.6 mm · APS-C

367 mm² area

Alpha 9 III

35.6 × 23.8 mm · Full Frame

847 mm² area

2.3× larger sensor area = shallower depth of field and better low-light performance.

Lens ecosystem

Native lens selection

sd Quattro H: mount data unavailable

Alpha 9 III

✓ more lenses

Sony E

350+

native lenses available

80 first-party270 third-party

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

Use casesd Quattro HAlpha 9 III
Portrait
7.5Good
7.5Good
Sports & Action
6.0Good
9.0Excellent✓ wins
Video & Hybrid
6.0Good
8.0Excellent✓ wins
Landscape
6.5Good
7.0Good✓ wins
Travel
7.5Good✓ wins
7.0Good
Wildlife
9.0Excellent
9.5Excellent✓ wins
Vlogging
7.0Good✓ wins
5.5Fair

Why pick one over the other

Reasons to choose

sd Quattro H

  • Burst (mechanical)

    6 fps vs 0 fps — higher is better

  • Dimensions (W×H×D mm)

    Adds 138, 98, 88

  • ISO min (native)

    100 vs 250 — lower is better

  • Resolution

    44.8 MP vs 24.6 MP — higher is better

  • Battery life (CIPA)

    640 shots vs 400 shots — higher is better

  • Weight

    520 g vs 703 g — lower is better

  • Subject recognition

    Adds Vehicle

Reasons to choose

Alpha 9 III

  • Dimensions (W×H×D mm)

    Adds 136.1, 96.9, 82.9

  • AF points / zones

    759 vs 49 — higher is better

  • Burst (electronic)

    120 fps vs 15 fps — higher is better

  • Max video bit rate

    600 Mbps vs 150 Mbps — 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 9 III supports it

Both cameras share

  • ISO max (native)Both 25,600
  • Eye AFBoth support eye af
  • Animal / bird AFBoth support animal / bird af
  • Pre-Capture / Pre-ReleaseBoth support pre-capture / pre-release
  • In-body stabilizationBoth support in-body stabilization
  • Weather sealingBoth support weather sealing

Pros & cons at a glance

Editorially curated highlights and trade-offs.

sd Quattro H

Pros

  • Unique Foveon color
  • High detail per pixel
  • Distinct look

Cons

  • Slow operation
  • Poor low light
  • Limited lens range

Alpha 9 III

Pros

  • Global shutter 120fps
  • Zero rolling shutter
  • Pro sports AF
  • Pre-capture buffer

Cons

  • 24.6MP only
  • Premium price
  • Battery drain at max speed

Full specifications

= category winner

sd Quattro H
Alpha 9 III
Resolution
44.8 MP+82%
24.6 MP
Sensor type
APS-C CMOS
Full Frame Global Shutter Exmor RS CMOS
Sensor size
23.5 × 15.6 mm
35.6 × 23.8 mm
AA filter
No
Yes
sd Quattro H
Alpha 9 III
AF system
Phase-detect AF
Fast Hybrid AF (phase-detection / contrast-detection)
AF points / zones
49
75915.5× more
AF frame coverage
90 %
94 %+4%
AF low-light limit
-5 EV
-5 EV
Eye AF
Yes
Yes
Animal / bird AF
Yes
Yes
Subject recognition
Human, Animal, Bird, Vehicle
Human, Animal, Bird, Insect, Car/Train, Airplane
sd Quattro H
Alpha 9 III
Burst (mechanical)
6 fps
0 fps
Burst (electronic)
15 fps
120 fps8× more
Pre-Capture / Pre-Release
Yes
Yes
RAW buffer depth
60 frames
200 frames3.3× more
sd Quattro H
Alpha 9 III
Max resolution
4K UHD
4K UHD
4K max frame rate
60 fps
120 fps2× more
Max video bit rate
150 Mbps
600 Mbps4× more
Internal RAW video
No
Yes
Log profile
Standard profiles
S-Log3 / HLG / S-Cinetone
Codecs
H.265, H.264
XAVC HS, XAVC S, XAVC S-I, H.265, H.264
sd Quattro H
Alpha 9 III
Weight
520 g−183 g less
703 g
Dimensions (W×H×D mm)
138 × 98 × 88 mm
136.1 × 96.9 × 82.9 mm
Weather sealing
Yes
Yes

Frequently asked

Quick answers generated from verified specs.

Which is better for sports, sd Quattro H or Alpha 9 III?

Alpha 9 III scores 9.0/10 versus 6.0/10 for sd Quattro H — 120fps burst — pro-level action capture.

What's the resolution difference between the sd Quattro H and Alpha 9 III?

sd Quattro H is 44.8 MP and Alpha 9 III is 24.6 MP, so the sd Quattro H captures more detail for cropping and large prints.

Do the sd Quattro H and Alpha 9 III have in-body image stabilization?

sd Quattro H has 6-stop in-body image stabilization, while alpha 9 III has 8-stop in-body image stabilization.

Which shoots faster bursts — the sd Quattro H or the Alpha 9 III?

sd Quattro H reaches 15 fps electronic. Alpha 9 III reaches 120 fps electronic.

What's the weight difference between the sd Quattro H and Alpha 9 III?

sd Quattro H weighs 520 g and Alpha 9 III weighs 703 g, so the sd Quattro H is 183 g lighter.

Do the sd Quattro H and Alpha 9 III record 4K video?

sd Quattro H: 4K up to 60p. Alpha 9 III: 4K up to 120p.

Are the sd Quattro H and Alpha 9 III weather sealed?

sd Quattro H: Yes. Alpha 9 III: Yes.

Which has better battery life?

Rated battery life is 640 shots (CIPA) for the sd Quattro H and 400 shots for the Alpha 9 III, giving the sd Quattro H the edge.

How much does each cost?

sd Quattro H launched at $1,299 and Alpha 9 III at $5,999. The sd Quattro H is $4,700 less.

Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.