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Sony

Alpha 9 III

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

$5,999

Launch price

Released Jan 2024

vs

Sony

RX100 VI

1-inch pocket camera with 24–200mm zoom and real-time Eye AF — the travel zoom king.

$1,199

Launch price

Released Jun 2018

Alpha 9 III is 5.7 years newer.

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Wins

7categories

Alpha 9 III

Sports & ActionWildlife

Wins

4categories

RX100 VI

VloggingSports & Action

4 categories tied

Which would you choose?

TL;DR — Key differences

Alpha 9 III wins 3 categories·RX100 VI wins 2 categories
  • BRX100 VI has higher Burst (mechanical) (6 fps vs 0 fps)
  • AAlpha 9 III has higher Burst (electronic) (120 fps vs 15 fps)
  • AAlpha 9 III has higher Max video bit rate (600 Mbps vs 150 Mbps)
  • AAlpha 9 III has higher RAW buffer depth (200 frames vs 60 frames)
  • BRX100 VI has lower ISO min (native) (100 vs 250)

Key specs at a glance

Alpha 9 IIIRX100 VI
Resolution24.6 MP20.1 MP
SensorFull Frame13.2 × 8.8 mm
ISO max25,60025,600
Burst120 fps15 fps
4K120 fps60 fps
IBIS8-stop6-stop
Weight703 g301 g
Battery400 shots640 shots

Size and weight, to scale

Alpha 9 III

136 × 97 × 83 mm

703 g (1.55 lb / 24.80 oz)

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

for scale

RX100 VI

102 × 58 × 42 mm

301 g (0.66 lb / 10.62 oz)

Alpha 9 III is 35mm wider, 39mm taller, and 41mm thicker than RX100 VI.

Alpha 9 III is 402 g heavier than RX100 VI.

Depth (front-to-back): 83mm Alpha 9 III · 42mm RX100 VI

Sensor size, to scale

Alpha 9 III

35.6 × 23.8 mm · Full Frame

847 mm² area

RX100 VI

13.2 × 8.8 mm · 1-inch

116 mm² area

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

Lens ecosystem

Native lens selection

Alpha 9 III

✓ more lenses

Sony E

350+

native lenses available

80 first-party270 third-party

RX100 VI: 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

Use caseAlpha 9 IIIRX100 VI
Portrait
7.5Good✓ wins
4.0Fair
Sports & Action
10.0Excellent✓ wins
7.0Good
Video & Hybrid
8.0Excellent✓ wins
6.0Good
Landscape
7.0Good✓ wins
2.0Limited
Travel
7.0Good✓ wins
6.5Good
Wildlife
9.5Excellent✓ wins
6.5Good
Vlogging
5.5Fair
7.5Good✓ wins

Why pick one over the other

Reasons to choose

Alpha 9 III

  • AF low-light limit

    -5 EV vs -4 EV — lower is better

  • Dimensions (W×H×D mm)

    Adds 136.1, 96.9, 82.9

  • Burst (electronic)

    120 fps vs 15 fps — higher is better

  • Max video bit rate

    600 Mbps vs 150 Mbps — higher is better

  • RAW buffer depth

    200 frames vs 60 frames — higher is better

  • Codecs

    Adds XAVC HS, XAVC S, XAVC S-I

  • Subject recognition

    Adds Insect, Car/Train, Airplane

  • 4K max frame rate

    120 fps vs 60 fps — higher is better

Reasons to choose

RX100 VI

  • Burst (mechanical)

    6 fps vs 0 fps — higher is better

  • Dimensions (W×H×D mm)

    Adds 101.6, 58.1, 42

  • ISO min (native)

    100 vs 250 — lower is better

  • Weight

    301 g vs 703 g — lower is better

  • Battery life (CIPA)

    640 shots vs 400 shots — higher is better

  • Subject recognition

    Adds Vehicle

Both cameras share

  • AA filterBoth support aa filter
  • ISO max (native)Both 25,600
  • AF points / zonesBoth 759
  • AF frame coverageBoth 94 %
  • Eye AFBoth support eye af
  • Animal / bird AFBoth support animal / bird af

Pros & cons at a glance

Editorially curated highlights and trade-offs.

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

RX100 VI

Pros

  • 24–200mm pocket zoom
  • Real-time Eye AF
  • Pop-up EVF
  • 4K video

Cons

  • 1-inch sensor
  • Small controls
  • Superseded by VII

Decided which one is right for you?

Compare live prices for the Alpha 9 III and RX100 VI at major authorized retailers.

Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.

Full specifications

= category winner

Alpha 9 III
RX100 VI
Resolution
24.6 MP+22%
20.1 MP
Sensor type
Full Frame Global Shutter Exmor RS CMOS
1-inch CMOS
Sensor size
35.6 × 23.8 mm
13.2 × 8.8 mm
AA filter
Yes
Yes
Alpha 9 III
RX100 VI
Processor
BIONZ XR + AI processing unit
BIONZ XR
Alpha 9 III
RX100 VI
ISO min (native)
250
100−150 less
ISO max (native)
25,600
25,600
ISO max (expanded)
51,200
102,400
Alpha 9 III
RX100 VI
Shutter type
Global electronic shutter
Mechanical + Electronic
Max mechanical speed
1/8000 sec
Max electronic speed
1/80000 sec
1/16000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for landscape, Alpha 9 III or RX100 VI?

Alpha 9 III scores 7.0/10 versus 2.0/10 for RX100 VI — Full-frame sensor — wider dynamic range.

What's the resolution difference between the Alpha 9 III and RX100 VI?

Alpha 9 III is 24.6 MP and RX100 VI is 20.1 MP, so the Alpha 9 III captures more detail for cropping and large prints.

Do the Alpha 9 III and RX100 VI have in-body image stabilization?

Alpha 9 III has 8-stop in-body image stabilization, while RX100 VI has 6-stop in-body image stabilization.

Which shoots faster bursts — the Alpha 9 III or the RX100 VI?

Alpha 9 III reaches 120 fps electronic. RX100 VI reaches 15 fps electronic.

What's the weight difference between the Alpha 9 III and RX100 VI?

Alpha 9 III weighs 703 g and RX100 VI weighs 301 g, so the RX100 VI is 402 g lighter.

Do the Alpha 9 III and RX100 VI record 4K video?

Alpha 9 III: 4K up to 120p. RX100 VI: 4K up to 60p.

Are the Alpha 9 III and RX100 VI weather sealed?

Alpha 9 III: Yes. RX100 VI: No.

Which has better battery life?

Rated battery life is 400 shots (CIPA) for the Alpha 9 III and 640 shots for the RX100 VI, giving the RX100 VI the edge.

How much does each cost?

Alpha 9 III launched at $5,999 and RX100 VI at $1,199. The RX100 VI is $4,800 less.

Can't decide between two? Compare a third camera.

Add any camera to get a three-way Alpha 9 III vs RX100 VI vs X comparison.

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