Cameraegg Compare logoCameraegg

OM System

OM-1 II

Flagship MFT with stacked sensor, 120fps, and pro wildlife features.

$2,399

Launch price

Released Feb 2024

vs
Lumix S5 II

Panasonic

Lumix S5 II

Phase-detect L-mount hybrid with 6K open gate and strong video tools.

$1,999

Launch price

Released Jan 2023

OM-1 II is 1.1 years newer.

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.

Wins

11categories

OM-1 II

Sports & ActionTravel

Wins

3categories

Lumix S5 II

Sports & ActionPortrait

4 categories tied

Which would you choose?

TL;DR — Key differences

OM-1 II wins 4 categories·Lumix S5 II wins 1 categories
  • AOM-1 II has higher Burst (electronic) (120 fps vs 30 fps)
  • AOM-1 II has higher ISO max (native) (102,400 vs 51,200)
  • BLumix S5 II has higher Card slots (2 vs 1)
  • AOM-1 II has higher IBIS effectiveness (8.5 stops vs 5 stops)
  • AOM-1 II has higher EVF resolution (5,760,000 vs 3,680,000)

Key specs at a glance

OM-1 IILumix S5 II
Resolution20.4 MP24.2 MP
SensorMFTFull Frame
ISO max102,40051,200
Burst120 fps30 fps
4K60 fps60 fps
IBIS8.5-stop5-stop
Weight599 g740 g
Battery520 shots370 shots

Size and weight, to scale

OM-1 II

135 × 92 × 73 mm

599 g (1.32 lb / 21.13 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 S5 II front view

Lumix S5 II

134 × 102 × 90 mm

740 g (1.63 lb / 26.10 oz)

OM-1 II is 11mm shorter and 17mm thinner than Lumix S5 II but it is also 1mm wider.

OM-1 II is 141 g lighter than Lumix S5 II.

Depth (front-to-back): 73mm OM-1 II · 90mm Lumix S5 II

Back view, to scale

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

OM-1 II

135 × 92 mm

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

Credit card

85.6 × 54 mm

Lumix S5 II back view

Lumix S5 II

134 × 102 mm

Top view, to scale

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

OM-1 II

135 × 73 mm

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

Credit card

85.6 × 54 mm

Lumix S5 II top view

Lumix S5 II

134 × 90 mm

Sensor size, to scale

OM-1 II

17.4 × 13 mm · Compact / large-type

226 mm² area

Lumix S5 II

35.6 × 23.8 mm · Full Frame

847 mm² area

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

Lens ecosystem

Native lens selection

OM-1 II

✓ more lenses

Micro Four Thirds

130+

native lenses available

60 first-party70 third-party

Lumix S5 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 caseOM-1 IILumix S5 II
Portrait
4.0Fair
8.5Excellent✓ wins
Sports & Action
10.0Excellent✓ wins
9.5Excellent
Video & Hybrid
5.5Fair
8.5Excellent✓ wins
Landscape
2.5Limited
7.0Good✓ wins
Travel
7.0Good✓ wins
6.5Good
Wildlife
6.5Good
6.5Good
Vlogging
7.0Good
8.0Excellent✓ wins

Why pick one over the other

Reasons to choose

OM-1 II

  • AF low-light limit

    -8 EV vs -6 EV — lower is better

  • Subject recognition

    Adds People, Birds, Animals…

  • Dimensions (W×H×D mm)

    Adds 134.8, 91.6, 72.7

  • Burst (electronic)

    120 fps vs 30 fps — higher is better

  • ISO max (native)

    102,400 vs 51,200 — higher is better

  • Pre-Capture / Pre-Release

    Only OM-1 II supports it

  • Card types

    Adds SD UHS-I

  • IBIS effectiveness

    8.5 stops vs 5 stops — higher is better

Reasons to choose

Lumix S5 II

  • Subject recognition

    Adds Human, Face, Eye…

  • Dimensions (W×H×D mm)

    Adds 134.3, 102.3, 90.1

  • Internal RAW video

    Only Lumix S5 II supports it

  • Card slots

    2 vs 1 — higher is better

  • Headphone jack (3.5mm)

    Only Lumix S5 II supports it

  • Max video bit rate

    200 Mbps vs 150 Mbps — higher is better

  • Codecs

    Adds MP4

  • Resolution

    24.2 MP vs 20.4 MP — higher is better

Both cameras share

  • AF frame coverageBoth 100 %
  • Eye AFBoth support eye af
  • Animal / bird AFBoth support animal / bird af
  • 4K max frame rateBoth 60 fps
  • In-body stabilization (IBIS)Both support in-body stabilization (ibis)
  • Weather sealingBoth support weather sealing

Pros & cons at a glance

Editorially curated highlights and trade-offs.

OM-1 II

Pros

  • 120fps stills
  • Stacked MFT
  • IP53 weather sealing
  • Computational features

Cons

  • MFT sensor size
  • Smaller ecosystem
  • Menu complexity

Lumix S5 II

Pros

  • Phase-detect AF finally
  • 6K open gate
  • IBIS
  • Great value

Cons

  • 24MP resolution
  • L-mount size
  • AF still behind Canon/Sony

Decided which one is right for you?

Compare live prices for the OM-1 II and Lumix S5 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

OM-1 II
Lumix S5 II
Resolution
20.4 MP
24.2 MP+19%
Sensor type
4/3 Stacked BSI Live MOS
35mm Full-Frame CMOS
Sensor size
17.4 x 13.0 mm
35.6 x 23.8 mm
AA filter
No
No
OM-1 II
Lumix S5 II
Processor
TruePic X
Venus Engine
OM-1 II
Lumix S5 II
ISO min (native)
80−20 less
100
ISO max (native)
102,400+1 stop
51,200
ISO max (expanded)
102,400
204,800
OM-1 II
Lumix S5 II
Shutter type
Computerised focal-plane shutter + electronic shutter
Focal-plane mechanical + electronic shutter
Max mechanical speed
1/8000 sec
1/8000 sec
Max electronic speed
1/32000 sec
1/8000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for portraits, OM-1 II or Lumix S5 II?

Lumix S5 II scores 8.5/10 versus 4.0/10 for OM-1 II — 24.2MP — solid resolution.

What's the resolution difference between the OM-1 II and Lumix S5 II?

OM-1 II is 20.4 MP and Lumix S5 II is 24.2 MP, so the Lumix S5 II captures more detail for cropping and large prints.

Do the OM-1 II and Lumix S5 II have in-body image stabilization?

OM-1 II has 8.5-stop in-body image stabilization, while Lumix S5 II has 5-stop in-body image stabilization.

Which shoots faster bursts — the OM-1 II or the Lumix S5 II?

OM-1 II reaches 120 fps electronic. Lumix S5 II reaches 30 fps electronic.

What's the weight difference between the OM-1 II and Lumix S5 II?

OM-1 II weighs 599 g and Lumix S5 II weighs 740 g, so the OM-1 II is 141 g lighter.

Do the OM-1 II and Lumix S5 II record 4K video?

OM-1 II: 4K up to 60p. Lumix S5 II: 6K Open Gate (max), 4K up to 60p.

Are the OM-1 II and Lumix S5 II weather sealed?

OM-1 II: Yes. Lumix S5 II: Yes.

Which has better battery life?

Rated battery life is 520 shots (CIPA) for the OM-1 II and 370 shots for the Lumix S5 II, giving the OM-1 II the edge.

How much does each cost?

OM-1 II launched at $2,399 and Lumix S5 II at $1,999. The Lumix S5 II is $400 less.

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

Add any camera to get a three-way OM-1 II vs Lumix S5 II vs X comparison.

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

Product images courtesy of OM System and Panasonic press materials.