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Panasonic

Lumix GX8

Weather-sealed rangefinder-style MFT body with 20MP sensor, tilting EVF, and 4K video.

$1,199

Launch price

Released Jul 2015

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

Launch price

Released Feb 2025

Lumix S1R II is 9.6 years newer.

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Wins

1categories

Lumix GX8

VloggingTravel

Wins

17categories

Lumix S1R II

Sports & ActionVideo & Hybrid

1 categories tied

Which would you choose?

TL;DR — Key differences

Lumix GX8 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 Burst (electronic) (40 fps vs 10 fps)
  • BLumix S1R II has higher 4K max frame rate (120 fps vs 30 fps)
  • BLumix S1R II has higher 1080p max frame rate (240 fps vs 60 fps)

Key specs at a glance

Lumix GX8Lumix S1R II
Resolution20.3 MP44.3 MP
SensorMFTAPS-C
ISO max25,60051,200
Burst10 fps40 fps
4K30 fps120 fps
IBIS4-stop8-stop
Weight487 g795 g
Battery330 shots350 shots

Size and weight, to scale

Lumix GX8

133 × 78 × 63 mm

487 g (1.07 lb / 17.18 oz)

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

Credit card

85.6 × 54 mm

for scale

Lumix S1R II

134 × 102 × 92 mm

795 g (1.75 lb / 28.04 oz)

Lumix GX8 is 1mm narrower, 24mm shorter, and 29mm thinner than Lumix S1R II.

Lumix GX8 is 308 g lighter than Lumix S1R II.

Depth (front-to-back): 63mm Lumix GX8 · 92mm Lumix S1R II

Sensor size, to scale

Lumix GX8

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 GX8

✓ 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 GX8Lumix S1R II
Portrait
5.0Fair
8.5Excellent✓ wins
Sports & Action
4.0Fair
10.0Excellent✓ wins
Video & Hybrid
4.5Fair
9.5Excellent✓ wins
Landscape
2.5Limited
8.5Excellent✓ wins
Travel
7.0Good✓ wins
4.5Fair
Wildlife
4.5Fair
8.0Excellent✓ wins
Vlogging
8.5Excellent✓ wins
5.5Fair

Why pick one over the other

Reasons to choose

Lumix GX8

  • Dimensions (W×H×D mm)

    Adds 133.2, 77.9, 63.1

  • Card types

    Adds SD UHS-I

  • Weight

    487 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

  • Burst (electronic)

    40 fps vs 10 fps — higher is better

  • 4K max frame rate

    120 fps vs 30 fps — higher is better

  • 1080p max frame rate

    240 fps vs 60 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 stabilization (IBIS)Both support in-body stabilization (ibis)
  • Weather sealingBoth support weather sealing
  • TouchscreenBoth support touchscreen

Pros & cons at a glance

Editorially curated highlights and trade-offs.

Lumix GX8

Pros

  • 20MP MFT sensor
  • Weather sealed
  • Tilting EVF
  • 4K video

Cons

  • Large for GX line
  • Older stabilization
  • Superseded

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 GX8 and Lumix S1R II 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 GX8
Lumix S1R II
Resolution
20.3 MP
44.3 MP2.2× 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 GX8
Lumix S1R II
Processor
Venus Engine
Venus Engine
Lumix GX8
Lumix S1R II
ISO min (native)
200
80−120 less
ISO max (native)
25,600
51,200+1 stop
ISO max (expanded)
25,600
102,400
Lumix GX8
Lumix S1R II
Shutter type
Focal-plane mechanical + electronic shutter
Focal-plane mechanical + electronic shutter
Max mechanical speed
1/8000 sec
1/8000 sec
Max electronic speed
1/16000 sec
1/16000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for sports, Lumix GX8 or Lumix S1R II?

Lumix S1R II scores 10.0/10 versus 4.0/10 for Lumix GX8 — 40fps burst — pro-level action capture.

What's the resolution difference between the Lumix GX8 and Lumix S1R II?

Lumix GX8 is 20.3 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 GX8 and Lumix S1R II have in-body image stabilization?

Lumix GX8 has 4-stop in-body image stabilization, while Lumix S1R II has 8-stop in-body image stabilization.

Which shoots faster bursts — the Lumix GX8 or the Lumix S1R II?

Lumix GX8 reaches 10 fps electronic. Lumix S1R II reaches 40 fps electronic.

What's the weight difference between the Lumix GX8 and Lumix S1R II?

Lumix GX8 weighs 487 g and Lumix S1R II weighs 795 g, so the Lumix GX8 is 308 g lighter.

Do the Lumix GX8 and Lumix S1R II record 4K video?

Lumix GX8: 4K up to 30p. Lumix S1R II: 8K (max), 4K up to 120p.

Are the Lumix GX8 and Lumix S1R II weather sealed?

Lumix GX8: Yes. Lumix S1R II: Yes.

Which has better battery life?

Rated battery life is 330 shots (CIPA) for the Lumix GX8 and 350 shots for the Lumix S1R II, giving the Lumix S1R II the edge.

How much does each cost?

Lumix GX8 launched at $1,199 and Lumix S1R II at $3,299. The Lumix GX8 is $2,100 less.

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

Add any camera to get a three-way Lumix GX8 vs Lumix S1R II vs X comparison.

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