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Panasonic

Lumix G9

Original G9 stills flagship with 20MP MFT sensor, 60fps electronic burst, and excellent IBIS.

$1,699

Launch price

Released Nov 2017

vs
Alpha 7 V

Sony

Alpha 7 V

33MP partially stacked Exmor RS hybrid with BIONZ XR2 AI, 30fps blackout-free burst, 7.5-stop IBIS, and 4K 60p oversampled from 7K.

$2,899

Launch price

Released Dec 2025

Alpha 7 V is 8.1 years newer.

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Wins

5categories

Lumix G9

Sports & ActionVlogging

Wins

10categories

Alpha 7 V

WildlifePortrait

3 categories tied

TL;DR — Key differences

Lumix G9 wins 1 categories·Alpha 7 V wins 4 categories
  • BAlpha 7 V has higher Max video bit rate (600 Mbps vs 150 Mbps)
  • BAlpha 7 V has higher AF points / zones (759 vs 225)
  • BAlpha 7 V has lower ISO min (native) (100 vs 200)
  • BAlpha 7 V has higher ISO max (native) (51,200 vs 25,600)
  • ALumix G9 has higher Burst (electronic) (60 fps vs 30 fps)

Key specs at a glance

Lumix G9Alpha 7 V
Resolution20.3 MP33 MP
SensorMFTFull Frame
ISO max25,60051,200
Burst60 fps30 fps
4K60 fps120 fps
IBIS6.5-stop7.5-stop
Weight658 g695 g
Battery400 shots630 shots

Size and weight, to scale

Lumix G9

137 × 97 × 92 mm

658 g (1.45 lb / 23.21 oz)

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

Credit card

85.6 × 54 mm

for scale

Alpha 7 V front view

Alpha 7 V

130 × 96 × 82 mm

695 g (1.53 lb / 24.52 oz)

Lumix G9 is 7mm wider, 1mm taller, and 9mm thicker than Alpha 7 V.

Lumix G9 is 37 g lighter than Alpha 7 V.

Depth (front-to-back): 92mm Lumix G9 · 82mm Alpha 7 V

Back view, to scale

Width × Height — same proportions as the front of the body.

Lumix G9

137 × 97 mm

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

Credit card

85.6 × 54 mm

Alpha 7 V back view

Alpha 7 V

130 × 96 mm

Top view, to scale

Width × Depth (front-to-back) — see which body is chunkier on the table.

Lumix G9

137 × 92 mm

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

Credit card

85.6 × 54 mm

Alpha 7 V top view

Alpha 7 V

130 × 82 mm

Sensor size, to scale

Lumix G9

17.3 × 13 mm · Micro Four Thirds

225 mm² area

Alpha 7 V

35.9 × 23.9 mm · Full Frame

858 mm² area

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

Lens ecosystem

Native lens selection

Lumix G9

Micro Four Thirds

130+

native lenses available

60 first-party70 third-party

Alpha 7 V

✓ 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 caseLumix G9Alpha 7 V
Portrait
5.0Fair
8.0Excellent✓ wins
Sports & Action
7.5Good
8.0Excellent✓ wins
Video & Hybrid
6.0Good
8.0Excellent✓ wins
Landscape
3.5Limited
7.5Good✓ wins
Travel
6.0Good
7.5Good✓ wins
Wildlife
7.0Good
10.0Excellent✓ wins
Vlogging
7.5Good✓ wins
5.5Fair

Why pick one over the other

Reasons to choose

Lumix G9

  • Dimensions (W×H×D mm)

    Adds 136.9, 97.3, 91.6

  • Codecs

    Adds MP4, AVCHD

  • Subject recognition

    Adds Face, Eye

  • Burst (electronic)

    60 fps vs 30 fps — higher is better

  • Burst (mechanical)

    12 fps vs 10 fps — higher is better

  • AF frame coverage

    100 % vs 94 % — higher is better

  • Weight

    658 g vs 695 g — lower is better

  • EVF magnification

    0.83 × vs 0.78 × — higher is better

Reasons to choose

Alpha 7 V

  • Dimensions (W×H×D mm)

    Adds 130.3, 96.4, 82.4

  • Codecs

    Adds XAVC HS, XAVC S, XAVC S-I…

  • Max video bit rate

    600 Mbps vs 150 Mbps — higher is better

  • Subject recognition

    Adds Bird, Insect, Car…

  • AF points / zones

    759 vs 225 — higher is better

  • AA filter

    Only Alpha 7 V supports it

  • ISO min (native)

    100 vs 200 — lower is better

  • ISO max (native)

    51,200 vs 25,600 — higher is better

Both cameras share

  • 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
  • Card slotsBoth 2

Pros & cons at a glance

Editorially curated highlights and trade-offs.

Lumix G9

Pros

  • 60fps electronic burst
  • Strong IBIS
  • Weather sealed
  • Large EVF

Cons

  • Older contrast AF
  • MFT sensor
  • Superseded by G9 II

Alpha 7 V

Pros

  • 33MP partially stacked sensor — ~4.5× faster readout than α7 IV
  • Blackout-free 30 fps with full AF/AE (electronic shutter)
  • 7.5-stop central / 6.5-stop peripheral IBIS (CIPA 2024)
  • 759-point phase-detect AF down to EV -4 with AI subject recognition
  • 7K oversampled 4K 60p (full-frame, no pixel binning) + 4K 120p
  • Pre-Capture and dual USB-C (10 Gbps + USB 2.0)
  • Up to 16 stops dynamic range

Cons

  • Premium price vs α7 IV
  • 4K 120p typically requires APS-C / Super 35 crop
  • Heavier than α7 IV (695 g vs 659 g with battery)
  • Complex menu and feature set

Decided which one is right for you?

Compare live prices for the Lumix G9 and Alpha 7 V at major authorized retailers.

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Full specifications

= category winner

Lumix G9
Alpha 7 V
Resolution
20.3 MP
33 MP+63%
Sensor type
Four Thirds Live MOS
Full Frame Exmor RS CMOS (partially stacked)
Sensor size
17.3 x 13.0 mm
35.9 × 23.9 mm
AA filter
No
Yes
Lumix G9
Alpha 7 V
Processor
Venus Engine
BIONZ XR2 + AI processing unit
Lumix G9
Alpha 7 V
ISO min (native)
200
100−100 less
ISO max (native)
25,600
51,200+1 stop
ISO max (expanded)
25,600
204,800
Lumix G9
Alpha 7 V
Shutter type
Focal-plane mechanical + electronic shutter
Mechanical + Electronic
Max mechanical speed
1/8000 sec
1/8000 sec
Max electronic speed
1/32000 sec
1/16000 sec
Lumix G9
Alpha 7 V
AF system
Contrast AF with DFD technology
Fast Hybrid AF (phase-detection / contrast-detection)
AF points / zones
225
7593.4× more
AF frame coverage
100 %+6%
94 %
AF low-light limit
-4 EV
-4 EV
Eye AF
Yes
Yes
Animal / bird AF
Yes
Yes
Subject recognition
Human, Face, Eye, Animal
Human, Animal, Bird, Insect, Car, Train, Airplane

Frequently asked

Quick answers generated from verified specs.

Which is better for landscape, Lumix G9 or Alpha 7 V?

Alpha 7 V scores 7.5/10 versus 3.5/10 for Lumix G9 — 33MP — ample resolution.

What's the resolution difference between the Lumix G9 and Alpha 7 V?

Lumix G9 is 20.3 MP and Alpha 7 V is 33 MP, so the Alpha 7 V captures more detail for cropping and large prints.

Do the Lumix G9 and Alpha 7 V have in-body image stabilization?

Lumix G9 has 6.5-stop in-body image stabilization, while alpha 7 V has 7.5-stop in-body image stabilization.

Which shoots faster bursts — the Lumix G9 or the Alpha 7 V?

Lumix G9 reaches 60 fps electronic. Alpha 7 V reaches 30 fps electronic.

What's the weight difference between the Lumix G9 and Alpha 7 V?

Lumix G9 weighs 658 g and Alpha 7 V weighs 695 g, so the Lumix G9 is 37 g lighter.

Do the Lumix G9 and Alpha 7 V record 4K video?

Lumix G9: 4K up to 60p. Alpha 7 V: 4K up to 120p.

Are the Lumix G9 and Alpha 7 V weather sealed?

Lumix G9: Yes. Alpha 7 V: Yes.

Which has better battery life?

Rated battery life is 400 shots (CIPA) for the Lumix G9 and 630 shots for the Alpha 7 V, giving the Alpha 7 V the edge.

How much does each cost?

Lumix G9 launched at $1,699 and Alpha 7 V at $2,899. The Lumix G9 is $1,200 less.

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

Product images courtesy of Panasonic and Sony press materials.