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Panasonic

Lumix GX85

Compact MFT rangefinder body with 16MP sensor, 5-axis stabilization, and 4K Photo features.

$799

Launch price

Released Apr 2016

vs
Alpha 7R VI

Sony

Alpha 7R VI

66.8MP stacked full-frame high-resolution body with 30fps bursts, 8K 30p, 4K 120p, and Sony's AI processing unit.

$4,499

Launch price

Released Jun 2026

Alpha 7R VI is 10.2 years newer.

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Wins

1categories

Lumix GX85

Wins

13categories

Alpha 7R VI

PortraitVideo & Hybrid

Which would you choose?

TL;DR — Key differences

Lumix GX85 wins 0 categories·Alpha 7R VI wins 5 categories
  • BAlpha 7R VI has higher AF points / zones (759 vs 49)
  • BAlpha 7R VI has higher RAW buffer depth (150 frames vs 13 frames)
  • BAlpha 7R VI has higher Max video bit rate (600 Mbps vs 100 Mbps)
  • BAlpha 7R VI has higher Resolution (66.8 MP vs 16 MP)
  • BAlpha 7R VI has higher 4K max frame rate (120 fps vs 30 fps)

Key specs at a glance

Lumix GX85Alpha 7R VI
Resolution16 MP66.8 MP
SensorMFTFull Frame
ISO max25,60032,000
Burst10 fps30 fps
4K30 fps120 fps
IBIS4-stopYes
Weight426 g713 g
Battery290 shots600 shots

Size and weight, to scale

Lumix GX85

122 × 71 × 44 mm

426 g (0.94 lb / 15.03 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 7R VI front view

Alpha 7R VI

133 × 97 × 83 mm

713 g (1.57 lb / 25.15 oz)

Lumix GX85 is 11mm narrower, 26mm shorter, and 39mm thinner than Alpha 7R VI.

Lumix GX85 is 287 g lighter than Alpha 7R VI.

Depth (front-to-back): 44mm Lumix GX85 · 83mm Alpha 7R VI

Back view, to scale

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

Lumix GX85

122 × 71 mm

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

Credit card

85.6 × 54 mm

Alpha 7R VI back view

Alpha 7R VI

133 × 97 mm

Top view, to scale

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

Lumix GX85

122 × 44 mm

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

Credit card

85.6 × 54 mm

Alpha 7R VI top view

Alpha 7R VI

133 × 83 mm

Sensor size, to scale

Lumix GX85

17.3 × 13 mm · Micro Four Thirds

225 mm² area

Alpha 7R VI

35.9 × 24 mm · Full Frame

862 mm² area

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

Lens ecosystem

Native lens selection

Lumix GX85

Micro Four Thirds

130+

native lenses available

60 first-party70 third-party

Alpha 7R VI

✓ 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 GX85Alpha 7R VI
Portrait
4.0Fair
8.5Excellent✓ wins
Sports & Action
3.0Limited
7.0Good✓ wins
Video & Hybrid
4.0Fair
8.0Excellent✓ wins
Landscape
1.0Limited
7.5Good✓ wins
Travel
4.5Fair
5.0Fair✓ wins
Wildlife
3.0Limited
6.5Good✓ wins
Vlogging
5.0Fair
5.5Fair✓ wins

Why pick one over the other

Reasons to choose

Lumix GX85

  • Dimensions (W×H×D mm)

    Adds 122, 70.6, 43.9

  • Card types

    Adds SD UHS-I

  • Codecs

    Adds MP4, AVCHD

  • Weight

    426 g vs 713 g — lower is better

  • Subject recognition

    Adds Face

Reasons to choose

Alpha 7R VI

  • AF low-light limit

    -6 EV vs -4 EV — lower is better

  • Dimensions (W×H×D mm)

    Adds 132.7, 96.9, 82.9

  • Card types

    Adds CFexpress Type A, SDXC UHS-II

  • AF points / zones

    759 vs 49 — higher is better

  • RAW buffer depth

    150 frames vs 13 frames — higher is better

  • Max video bit rate

    600 Mbps vs 100 Mbps — higher is better

  • Codecs

    Adds XAVC HS, XAVC S, XAVC S-I…

  • Resolution

    66.8 MP vs 16 MP — higher is better

Both cameras share

  • Eye AFBoth support eye af
  • Animal / bird AFBoth support animal / bird af
  • In-body stabilization (IBIS)Both support in-body stabilization (ibis)
  • TouchscreenBoth support touchscreen
  • Wi-FiBoth support wi-fi

Pros & cons at a glance

Editorially curated highlights and trade-offs.

Lumix GX85

Pros

  • Compact body
  • IBIS
  • 4K video
  • Great used value

Cons

  • 16MP sensor
  • No weather sealing
  • Older AF

Alpha 7R VI

Pros

  • 66.8MP stacked full-frame sensor
  • 30fps blackout-free electronic burst
  • 8K 30p and 4K 120p video
  • 5-axis sensor-shift stabilization
  • 9.44M-dot HDR OLED EVF

Cons

  • Very expensive
  • Large files demand fast cards and storage
  • 8K workflow can be heavy

Decided which one is right for you?

Compare live prices for the Lumix GX85 and Alpha 7R 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

Lumix GX85
Alpha 7R VI
Resolution
16 MP
66.8 MP4.2× more
Sensor type
Four Thirds Live MOS
Full-Frame Stacked CMOS
Sensor size
17.3 x 13.0 mm
35.9 × 24.0 mm
AA filter
No
No
Lumix GX85
Alpha 7R VI
Processor
Venus Engine
BIONZ XR with AI processing unit
Lumix GX85
Alpha 7R VI
ISO min (native)
200
100−100 less
ISO max (native)
25,600
32,000+0.3 stops
ISO max (expanded)
25,600
102,400
Lumix GX85
Alpha 7R VI
Shutter type
Focal-plane mechanical + electronic shutter
Mechanical focal plane shutter + electronic rolling shutter
Max mechanical speed
1/4000 sec
1/8000 sec
Max electronic speed
1/16000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for landscape, Lumix GX85 or Alpha 7R VI?

Alpha 7R VI scores 7.5/10 versus 1.0/10 for Lumix GX85 — 66.8MP — massive detail for large prints.

What's the resolution difference between the Lumix GX85 and Alpha 7R VI?

Lumix GX85 is 16 MP and Alpha 7R VI is 66.8 MP, so the Alpha 7R VI captures more detail for cropping and large prints.

Do the Lumix GX85 and Alpha 7R VI have in-body image stabilization?

Lumix GX85 has 4-stop in-body image stabilization, while Alpha 7R VI has in-body image stabilization.

Which shoots faster bursts — the Lumix GX85 or the Alpha 7R VI?

Lumix GX85 reaches 10 fps electronic. Alpha 7R VI reaches 30 fps electronic.

What's the weight difference between the Lumix GX85 and Alpha 7R VI?

Lumix GX85 weighs 426 g and Alpha 7R VI weighs 713 g, so the Lumix GX85 is 287 g lighter.

Do the Lumix GX85 and Alpha 7R VI record 4K video?

Lumix GX85: 4K up to 30p. Alpha 7R VI: 8K (max), 4K up to 120p.

Are the Lumix GX85 and Alpha 7R VI weather sealed?

Lumix GX85: No. Alpha 7R VI: No.

Which has better battery life?

Rated battery life is 290 shots (CIPA) for the Lumix GX85 and 600 shots for the Alpha 7R VI, giving the Alpha 7R VI the edge.

How much does each cost?

Lumix GX85 launched at $799 and Alpha 7R VI at $4,499. The Lumix GX85 is $3,700 less.

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

Add any camera to get a three-way Lumix GX85 vs Alpha 7R VI 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.