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Panasonic

Lumix GX85

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

$799

Released Apr 2016

vs

Panasonic

Lumix S1R II

High-resolution 44.3MP full-frame L-mount body with 8K video, phase hybrid AF, and compact S-series ergonomics.

$3,299

Released Feb 2025

Lumix S1R II is 8.9 years newer.

Wins

1categories

Lumix GX85

Wins

16categories

Lumix S1R II

Video & HybridPortrait

1 categories tied

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TL;DR — Key differences

Lumix GX85 wins 0 categories·Lumix S1R II wins 5 categories
  • BLumix S1R II has higher Max video bit rate (1900 Mbps vs 100 Mbps)
  • BLumix S1R II has higher AF points / zones (779 vs 49)
  • BLumix S1R II has higher RAW buffer depth (70 frames vs 13 frames)
  • BLumix S1R II has higher Burst (electronic) (40 fps vs 10 fps)
  • BLumix S1R II has higher 4K max frame rate (120 fps vs 30 fps)

Key specs at a glance

Lumix GX85Lumix S1R II
Resolution16 MP44.3 MP
SensorMFTAPS-C
ISO max25,60051,200
Burst10 fps40 fps
4K30 fps120 fps
IBIS4-stop8-stop
Weight426 g795 g
Battery290 shots350 shots

Size and weight, to scale

Lumix GX85

122 × 71 × 44 mm

426 g (0.94 lb / 15.03 oz)

Lumix S1R II

134 × 102 × 92 mm

795 g (1.75 lb / 28.04 oz)

Lumix GX85 is 12mm narrower, 32mm shorter, and 48mm thinner than Lumix S1R II.

Lumix GX85 is 369 g lighter than Lumix S1R II.

Depth (front-to-back): 44mm Lumix GX85 · 92mm Lumix S1R II

Sensor size, to scale

Lumix GX85

17.3 × 13 mm · Micro Four Thirds

225 mm² area

Lumix S1R II

35.8 × 23.9 mm · Full Frame

856 mm² area

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

Lens ecosystem

Native lens selection

Lumix GX85

✓ more lenses

Micro Four Thirds

130+

native lenses available

60 first-party70 third-party

Lumix S1R II: 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 caseLumix GX85Lumix S1R II
Portrait
4.0Fair
8.5Excellent✓ wins
Sports & Action
2.5Limited
8.0Excellent✓ wins
Video & Hybrid
4.0Fair
9.5Excellent✓ wins
Landscape
1.0Limited
8.5Excellent✓ wins
Travel
4.5Fair
4.5Fair
Wildlife
3.0Limited
8.0Excellent✓ 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

  • Weight

    426 g vs 795 g — lower is better

  • Codecs

    Adds AVCHD

Reasons to choose

Lumix S1R II

  • AF low-light limit

    -6 EV vs -4 EV — lower is better

  • Dimensions (W×H×D mm)

    Adds 134.3, 102.3, 91.8

  • Card types

    Adds CFexpress Type B, SD UHS-II

  • Max video bit rate

    1900 Mbps vs 100 Mbps — higher is better

  • AF points / zones

    779 vs 49 — higher is better

  • RAW buffer depth

    70 frames vs 13 frames — higher is better

  • Burst (electronic)

    40 fps vs 10 fps — higher is better

  • 4K max frame rate

    120 fps vs 30 fps — higher is better

Both cameras share

  • AF frame coverageBoth 100 %
  • 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

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

Lumix S1R II

Pros

  • 44.3MP full-frame BSI sensor
  • 8K video
  • Phase Hybrid AF
  • CFexpress plus SD workflow

Cons

  • Large high-res files
  • Premium price
  • L-mount lens size

Decided which one is right for you?

Compare live prices for the Lumix GX85 and Lumix S1R II at major authorized retailers.

Full specifications

= category winner

Lumix GX85
Lumix S1R II
Resolution
16 MP
44.3 MP2.8× more
Sensor type
Four Thirds Live MOS
35mm Full-Frame BSI CMOS
Sensor size
17.3 x 13.0 mm
35.8 x 23.9 mm
AA filter
No
No
Lumix GX85
Lumix S1R II
AF system
Contrast AF with DFD technology
Phase Hybrid AF with DFD technology
AF points / zones
49
77915.9× more
AF frame coverage
100 %
100 %
AF low-light limit
-4 EV
-6 EV
Eye AF
Yes
Yes
Animal / bird AF
Yes
Yes
Subject recognition
Human, Face, Eye, Animal
Human, Face, Eye, Animal, Car, Motorcycle
Lumix GX85
Lumix S1R II
Burst (mechanical)
8 fps
10 fps+25%
Burst (electronic)
10 fps
40 fps4× more
Pre-Capture / Pre-Release
No
Yes
RAW buffer depth
13 frames
70 frames5.4× more
Lumix GX85
Lumix S1R II
Max resolution
4K
8K
4K max frame rate
30 fps
120 fps4× more
Max video bit rate
100 Mbps
1900 Mbps19× more
Internal RAW video
No
Yes
Log profile
None
V-Log / ARRI LogC3
Codecs
H.264, MP4, AVCHD
Apple ProRes RAW, Apple ProRes 422 HQ, H.265, H.264, MOV, MP4
Lumix GX85
Lumix S1R II
Weight
426 g−369 g less
795 g
Dimensions (W×H×D mm)
122 × 70.6 × 43.9 mm
134.3 × 102.3 × 91.8 mm
Weather sealing
No
Yes

Frequently asked

Quick answers generated from verified specs.

Which is better for landscape, Lumix GX85 or Lumix S1R II?

Lumix S1R II scores 8.5/10 versus 1.0/10 for Lumix GX85 — 44.3MP — excellent for prints up to 24×36".

What's the resolution difference between the Lumix GX85 and Lumix S1R II?

Lumix GX85 is 16 MP and Lumix S1R II is 44.3 MP, so the Lumix S1R II captures more detail for cropping and large prints.

Do the Lumix GX85 and Lumix S1R II have in-body image stabilization?

Lumix GX85 has 4-stop in-body image stabilization, while lumix S1R II has 8-stop in-body image stabilization.

Which shoots faster bursts — the Lumix GX85 or the Lumix S1R II?

Lumix GX85 reaches 10 fps electronic. Lumix S1R II reaches 40 fps electronic.

What's the weight difference between the Lumix GX85 and Lumix S1R II?

Lumix GX85 weighs 426 g and Lumix S1R II weighs 795 g, so the Lumix GX85 is 369 g lighter.

Do the Lumix GX85 and Lumix S1R II record 4K video?

Lumix GX85: 4K up to 30p. Lumix S1R II: 8K (max), 4K up to 120p.

Are the Lumix GX85 and Lumix S1R II weather sealed?

Lumix GX85: No. Lumix S1R II: Yes.

Which has better battery life?

Rated battery life is 290 shots (CIPA) for the Lumix GX85 and 350 shots for the Lumix S1R II, giving the Lumix S1R II the edge.

How much does each cost?

Lumix GX85 launched at $799 and Lumix S1R II at $3,299. The Lumix GX85 is $2,500 less.

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