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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

WildlifeSports & Action

3 categories tied

Which would you choose?

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
9.5Excellent
9.5Excellent
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 stabilization (IBIS)Both support in-body stabilization (ibis)
  • 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

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.

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

Add any camera to get a three-way Lumix G9 vs Alpha 7 V vs X comparison.

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

Product images courtesy of Panasonic and Sony press materials.