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Panasonic

Lumix GX9

Compact rangefinder-style Micro Four Thirds camera with 20MP sensor, tilting EVF, IBIS, and 4K video.

$999

Launch price

Released Feb 2018

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 7.8 years newer.

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Wins

2categories

Lumix GX9

Wins

15categories

Alpha 7 V

WildlifePortrait

1 categories tied

TL;DR — Key differences

Lumix GX9 wins 0 categories·Alpha 7 V wins 5 categories
  • BAlpha 7 V has higher AF points / zones (759 vs 49)
  • BAlpha 7 V has higher Max video bit rate (600 Mbps vs 100 Mbps)
  • BAlpha 7 V has higher 4K max frame rate (120 fps vs 30 fps)
  • BAlpha 7 V has higher Burst (electronic) (30 fps vs 9 fps)
  • BAlpha 7 V has higher RAW buffer depth (95 frames vs 30 frames)

Key specs at a glance

Lumix GX9Alpha 7 V
Resolution20.3 MP33 MP
SensorMFTFull Frame
ISO max25,60051,200
Burst9 fps30 fps
4K30 fps120 fps
IBIS4-stop7.5-stop
Weight450 g695 g
Battery260 shots630 shots

Size and weight, to scale

Lumix GX9

124 × 72 × 47 mm

450 g (0.99 lb / 15.87 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 GX9 is 6mm narrower, 24mm shorter, and 36mm thinner than Alpha 7 V.

Lumix GX9 is 245 g lighter than Alpha 7 V.

Depth (front-to-back): 47mm Lumix GX9 · 82mm Alpha 7 V

Back view, to scale

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

Lumix GX9

124 × 72 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 GX9

124 × 47 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 GX9

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 GX9

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 GX9Alpha 7 V
Portrait
4.0Fair
8.0Excellent✓ wins
Sports & Action
1.5Limited
8.0Excellent✓ wins
Video & Hybrid
4.0Fair
8.0Excellent✓ wins
Landscape
1.0Limited
7.5Good✓ wins
Travel
4.5Fair
7.5Good✓ wins
Wildlife
1.5Limited
10.0Excellent✓ wins
Vlogging
5.0Fair
5.5Fair✓ wins

Why pick one over the other

Reasons to choose

Lumix GX9

  • Dimensions (W×H×D mm)

    Adds 124, 72.1, 46.8

  • Card types

    Adds SD UHS-I

  • Codecs

    Adds MP4, AVCHD

  • Subject recognition

    Adds Face, Eye

  • Weight

    450 g vs 695 g — lower is better

  • AF frame coverage

    100 % vs 94 % — higher is better

Reasons to choose

Alpha 7 V

  • Dimensions (W×H×D mm)

    Adds 130.3, 96.4, 82.4

  • Card types

    Adds CFexpress Type A / SD UHS-II, SD UHS-II

  • AF points / zones

    759 vs 49 — higher is better

  • Max video bit rate

    600 Mbps vs 100 Mbps — higher is better

  • Codecs

    Adds XAVC HS, XAVC S, XAVC S-I…

  • 4K max frame rate

    120 fps vs 30 fps — higher is better

  • Subject recognition

    Adds Bird, Insect, Car…

  • Burst (electronic)

    30 fps vs 9 fps — higher is better

Both cameras share

  • Eye AFBoth support eye af
  • Animal / bird AFBoth support animal / bird af
  • In-body stabilizationBoth support in-body stabilization
  • TouchscreenBoth support touchscreen
  • Wi-FiBoth support wi-fi
  • BluetoothBoth support bluetooth

Pros & cons at a glance

Editorially curated highlights and trade-offs.

Lumix GX9

Pros

  • Compact rangefinder body
  • 20MP MFT sensor
  • Tilting EVF
  • IBIS

Cons

  • No weather sealing
  • Single card slot
  • Small grip

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 GX9 and Alpha 7 V at major authorized retailers.

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Full specifications

= category winner

Lumix GX9
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 GX9
Alpha 7 V
Processor
Venus Engine
BIONZ XR2 + AI processing unit
Lumix GX9
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 GX9
Alpha 7 V
Shutter type
Focal-plane mechanical + electronic shutter
Mechanical + Electronic
Max mechanical speed
1/4000 sec
1/8000 sec
Max electronic speed
1/16000 sec
1/16000 sec
Lumix GX9
Alpha 7 V
AF system
Contrast AF with DFD technology
Fast Hybrid AF (phase-detection / contrast-detection)
AF points / zones
49
75915.5× 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 wildlife, Lumix GX9 or Alpha 7 V?

Alpha 7 V scores 10.0/10 versus 1.5/10 for Lumix GX9 — 30fps burst captures fleeting moments.

What's the resolution difference between the Lumix GX9 and Alpha 7 V?

Lumix GX9 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 GX9 and Alpha 7 V have in-body image stabilization?

Lumix GX9 has 4-stop in-body image stabilization, while alpha 7 V has 7.5-stop in-body image stabilization.

Which shoots faster bursts — the Lumix GX9 or the Alpha 7 V?

Lumix GX9 reaches 9 fps electronic. Alpha 7 V reaches 30 fps electronic.

What's the weight difference between the Lumix GX9 and Alpha 7 V?

Lumix GX9 weighs 450 g and Alpha 7 V weighs 695 g, so the Lumix GX9 is 245 g lighter.

Do the Lumix GX9 and Alpha 7 V record 4K video?

Lumix GX9: 4K up to 30p. Alpha 7 V: 4K up to 120p.

Are the Lumix GX9 and Alpha 7 V weather sealed?

Lumix GX9: No. Alpha 7 V: Yes.

Which has better battery life?

Rated battery life is 260 shots (CIPA) for the Lumix GX9 and 630 shots for the Alpha 7 V, giving the Alpha 7 V the edge.

How much does each cost?

Lumix GX9 launched at $999 and Alpha 7 V at $2,899. The Lumix GX9 is $1,900 less.

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

Product images courtesy of Panasonic and Sony press materials.