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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
Alpha 1 II

Sony

Alpha 1 II

50MP stacked flagship with 30fps RAW, 8K video, and Sony's fastest hybrid performance.

$6,499

Released Nov 2024

Alpha 1 II is 8.7 years newer.

Wins

2categories

Lumix GX85

Wins

15categories

Alpha 1 II

Video & HybridWildlife

1 categories tied

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TL;DR — Key differences

Lumix GX85 wins 0 categories·Alpha 1 II wins 5 categories
  • BAlpha 1 II has higher AF points / zones (759 vs 49)
  • BAlpha 1 II has higher RAW buffer depth (200 frames vs 13 frames)
  • BAlpha 1 II has higher 4K max frame rate (120 fps vs 30 fps)
  • BAlpha 1 II has higher EVF refresh rate (240 Hz vs 60 Hz)
  • BAlpha 1 II has higher EVF resolution (9,437,184 vs 2,760,000)

Key specs at a glance

Lumix GX85Alpha 1 II
Resolution16 MP50.1 MP
SensorMFTFull Frame
ISO max25,60032,000
Burst10 fps30 fps
4K30 fps120 fps
IBIS4-stop8.5-stop
Weight426 g743 g
Battery290 shots520 shots

Size and weight, to scale

Lumix GX85

122 × 71 × 44 mm

426 g (0.94 lb / 15.03 oz)

Alpha 1 II front view

Alpha 1 II

136 × 97 × 83 mm

743 g (1.64 lb / 26.21 oz)

Lumix GX85 is 14mm narrower, 26mm shorter, and 39mm thinner than Alpha 1 II.

Lumix GX85 is 317 g lighter than Alpha 1 II.

Depth (front-to-back): 44mm Lumix GX85 · 83mm Alpha 1 II

Sensor size, to scale

Lumix GX85

17.3 × 13 mm · Micro Four Thirds

225 mm² area

Alpha 1 II

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 1 II

✓ 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 1 II
Portrait
4.0Fair
8.5Excellent✓ wins
Sports & Action
2.5Limited
9.0Excellent✓ wins
Video & Hybrid
4.0Fair
9.5Excellent✓ wins
Landscape
1.0Limited
9.0Excellent✓ wins
Travel
4.5Fair
6.0Good✓ wins
Wildlife
3.0Limited
9.5Excellent✓ 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

  • Subject recognition

    Adds Face, Eye

  • Weight

    426 g vs 743 g — lower is better

  • AF frame coverage

    100 % vs 94 % — higher is better

Reasons to choose

Alpha 1 II

  • Dimensions (W×H×D mm)

    Adds 136.1, 96.9, 82.9

  • Card types

    Adds CFexpress Type A, SD UHS-II

  • AF points / zones

    759 vs 49 — higher is better

  • RAW buffer depth

    200 frames vs 13 frames — higher is better

  • Codecs

    Adds XAVC HS, XAVC S, XAVC S-I…

  • 4K max frame rate

    120 fps vs 30 fps — higher is better

  • EVF refresh rate

    240 Hz vs 60 Hz — higher is better

  • EVF resolution

    9,437,184 vs 2,760,000 — 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

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 1 II

Pros

  • 50MP stacked sensor
  • 30fps blackout-free burst
  • 8K 30p video
  • Best Sony AF

Cons

  • Very expensive
  • Complex menus
  • Large files

Decided which one is right for you?

Compare live prices for the Lumix GX85 and Alpha 1 II at major authorized retailers.

Full specifications

= category winner

Lumix GX85
Alpha 1 II
Resolution
16 MP
50.1 MP3.1× more
Sensor type
Four Thirds Live MOS
Full Frame Stacked Exmor RS CMOS
Sensor size
17.3 x 13.0 mm
35.9 × 24.0 mm
AA filter
No
Yes
Lumix GX85
Alpha 1 II
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
Lumix GX85
Alpha 1 II
Burst (mechanical)
8 fps
10 fps+25%
Burst (electronic)
10 fps
30 fps3× more
Pre-Capture / Pre-Release
No
Yes
RAW buffer depth
13 frames
200 frames15.4× more
Lumix GX85
Alpha 1 II
Max resolution
4K
8K
4K max frame rate
30 fps
120 fps4× more
Max video bit rate
100 Mbps
150 Mbps+50%
Internal RAW video
No
Yes
Log profile
None
S-Log3 / HLG / S-Cinetone
Codecs
H.264, MP4, AVCHD
XAVC HS, XAVC S, XAVC S-I, H.265, H.264
Lumix GX85
Alpha 1 II
Weight
426 g−317 g less
743 g
Dimensions (W×H×D mm)
122 × 70.6 × 43.9 mm
136.1 × 96.9 × 82.9 mm
Weather sealing
No
Yes

Frequently asked

Quick answers generated from verified specs.

Which is better for landscape, Lumix GX85 or Alpha 1 II?

Alpha 1 II scores 9.0/10 versus 1.0/10 for Lumix GX85 — 50.1MP — massive detail for large prints.

What's the resolution difference between the Lumix GX85 and Alpha 1 II?

Lumix GX85 is 16 MP and Alpha 1 II is 50.1 MP, so the Alpha 1 II captures more detail for cropping and large prints.

Do the Lumix GX85 and Alpha 1 II have in-body image stabilization?

Lumix GX85 has 4-stop in-body image stabilization, while alpha 1 II has 8.5-stop in-body image stabilization.

Which shoots faster bursts — the Lumix GX85 or the Alpha 1 II?

Lumix GX85 reaches 10 fps electronic. Alpha 1 II reaches 30 fps electronic.

What's the weight difference between the Lumix GX85 and Alpha 1 II?

Lumix GX85 weighs 426 g and Alpha 1 II weighs 743 g, so the Lumix GX85 is 317 g lighter.

Do the Lumix GX85 and Alpha 1 II record 4K video?

Lumix GX85: 4K up to 30p. Alpha 1 II: 8K (max), 4K up to 120p.

Are the Lumix GX85 and Alpha 1 II weather sealed?

Lumix GX85: No. Alpha 1 II: Yes.

Which has better battery life?

Rated battery life is 290 shots (CIPA) for the Lumix GX85 and 520 shots for the Alpha 1 II, giving the Alpha 1 II the edge.

How much does each cost?

Lumix GX85 launched at $799 and Alpha 1 II at $6,499. The Lumix GX85 is $5,700 less.

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

Product images courtesy of Panasonic and Sony press materials.