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Panasonic

Lumix LX100

Original large-sensor LX compact with Four Thirds sensor crop, fast Leica zoom, EVF, and 4K video.

$899

Launch price

Released Sep 2014

vs
GR IVx

Ricoh

GR IVx

40mm-equivalent GR IV sibling with a newly designed 26.1mm f/2.8 lens, 25.74MP APS-C sensor, 5-axis SR, 4K video, 53GB internal storage, and pocket street-camera handling. Winter 2026 planned.

$1,499

Launch price

Released Dec 2026

GR IVx is 12.3 years newer.

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Wins

3categories

Lumix LX100

Wins

5categories

GR IVx

Portrait

4 categories tied

Which would you choose?

TL;DR — Key differences

Lumix LX100 wins 2 categories·GR IVx wins 3 categories
  • ALumix LX100 has higher Burst (electronic) (40 fps vs 4 fps)
  • BGR IVx has higher ISO max (native) (204,800 vs 25,600)
  • ALumix LX100 has higher Burst (mechanical) (11 fps vs 4 fps)
  • BGR IVx has higher Resolution (25.74 MP vs 12.8 MP)
  • BGR IVx has lower ISO min (native) (100 vs 200)

Key specs at a glance

Lumix LX100GR IVx
Resolution12.8 MP25.74 MP
SensorMFTAPS-C
ISO max25,600204,800
Burst40 fps4 fps
4K30 fps30 fps
IBISNoYes
Weight393 g265 g
Battery300 shots250 shots

Size and weight, to scale

Lumix LX100

115 × 66 × 55 mm

393 g (0.87 lb / 13.86 oz)

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

Credit card

85.6 × 54 mm

for scale

GR IVx front view

GR IVx

109 × 61 × 33 mm

265 g (0.58 lb / 9.35 oz)

Lumix LX100 is 5mm wider, 5mm taller, and 22mm thicker than GR IVx.

Lumix LX100 is 128 g heavier than GR IVx.

Depth (front-to-back): 55mm Lumix LX100 · 33mm GR IVx

Sensor size, to scale

Lumix LX100

17.3 × 13 mm · Micro Four Thirds

225 mm² area

GR IVx

23.3 × 15.5 mm · APS-C

361 mm² area

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

Use-case scoring

Which one for what?

Algorithmic scores from verified specs · 10 = best in class

Use caseLumix LX100GR IVx
Portrait
3.0Limited
6.5Good✓ wins
Sports & Action
4.5Fair✓ wins
1.0Limited
Video & Hybrid
3.0Limited
4.0Fair✓ wins
Landscape
0.0Limited
2.5Limited✓ wins
Travel
4.5Fair
5.5Fair✓ wins
Wildlife
4.0Fair✓ wins
1.0Limited
Vlogging
3.5Limited
5.5Fair✓ wins

Why pick one over the other

Reasons to choose

Lumix LX100

  • Codecs

    Adds H.264, MP4, AVCHD

  • Dimensions (W×H×D mm)

    Adds 114.8, 66.2, 55

  • Card types

    Adds SD UHS-I

  • Burst (electronic)

    40 fps vs 4 fps — higher is better

  • Burst (mechanical)

    11 fps vs 4 fps — higher is better

  • Animal / bird AF

    Only Lumix LX100 supports it

  • Subject recognition

    Adds Human, Animal

  • Battery life (CIPA)

    300 shots vs 250 shots — higher is better

Reasons to choose

GR IVx

  • Codecs

    Adds MPEG-4 AVC/H.264, MOV

  • Dimensions (W×H×D mm)

    Adds 109.4, 61.1, 33.4

  • Card types

    Adds microSD, microSDHC, microSDXC UHS-I

  • ISO max (native)

    204,800 vs 25,600 — higher is better

  • Resolution

    25.74 MP vs 12.8 MP — higher is better

  • ISO min (native)

    100 vs 200 — lower is better

  • In-body stabilization (IBIS)

    Only GR IVx supports it

  • Bluetooth

    Only GR IVx supports it

Both cameras share

  • AF points / zonesBoth 49
  • Eye AFBoth support eye af
  • 4K max frame rateBoth 30 fps
  • 1080p max frame rateBoth 60 fps
  • Card slotsBoth 1
  • TouchscreenBoth support touchscreen

Pros & cons at a glance

Editorially curated highlights and trade-offs.

Lumix LX100

Pros

  • Large sensor compact
  • Fast Leica zoom
  • Built-in EVF
  • 4K video

Cons

  • 12.8MP output
  • No touch screen
  • Older AF

GR IVx

Pros

  • New 26.1mm f/2.8 GR lens (40mm equiv.)
  • GR IV 25.74MP APS-C + 5-axis SR
  • 4K 30p/24p and 53GB built-in storage
  • Snap focus, 50/71mm crops, 2-stop ND
  • Pocketable 265g body

Cons

  • Price not yet announced (listed at GR IV $1,499)
  • Winter 2026 or later — still in development as of Aug 2026
  • No built-in EVF
  • Fixed 40mm-equiv. lens

Decided which one is right for you?

Compare live prices for the Lumix LX100 and GR IVx at major authorized retailers.

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Full specifications

= category winner

Lumix LX100
GR IVx
Resolution
12.8 MP
25.74 MP2× more
Sensor type
Four Thirds Live MOS
APS-C CMOS
Sensor size
17.3 x 13.0 mm
23.3 x 15.5 mm
AA filter
No
No
Lumix LX100
GR IVx
Aperture
f/1.7-2.8
F2.8-F16
Focal length (35mm equiv.)
24-75 mm
40 mm
Lumix LX100
GR IVx
Processor
Venus Engine
GR ENGINE 7
Lumix LX100
GR IVx
ISO min (native)
200
100−100 less
ISO max (native)
25,600
204,800+3 stops
ISO max (expanded)
25,600
204,800
Lumix LX100
GR IVx
Shutter type
Focal-plane mechanical + electronic shutter
Leaf shutter
Max mechanical speed
1/4000 sec
1/4000 sec
Max electronic speed
1/16000 sec
1/16000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for portraits, Lumix LX100 or GR IVx?

GR IVx scores 6.5/10 versus 3.0/10 for Lumix LX100 — 25.74MP — solid resolution.

What's the resolution difference between the Lumix LX100 and GR IVx?

Lumix LX100 is 12.8 MP and GR IVx is 25.74 MP, so the GR IVx captures more detail for cropping and large prints.

Do the Lumix LX100 and GR IVx have in-body image stabilization?

Lumix LX100 does not have IBIS, while GR IVx has in-body image stabilization.

Which shoots faster bursts — the Lumix LX100 or the GR IVx?

Lumix LX100 reaches 40 fps electronic. GR IVx reaches 4 fps electronic.

What's the weight difference between the Lumix LX100 and GR IVx?

Lumix LX100 weighs 393 g and GR IVx weighs 265 g, so the GR IVx is 128 g lighter.

Do the Lumix LX100 and GR IVx record 4K video?

Lumix LX100: 4K up to 30p. GR IVx: 4K up to 30p.

Are the Lumix LX100 and GR IVx weather sealed?

Lumix LX100: No. GR IVx: No.

Which has better battery life?

Rated battery life is 300 shots (CIPA) for the Lumix LX100 and 250 shots for the GR IVx, giving the Lumix LX100 the edge.

How much does each cost?

Lumix LX100 launched at $899 and GR IVx at $1,499. The Lumix LX100 is $600 less.

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

Add any camera to get a three-way Lumix LX100 vs GR IVx vs X comparison.

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

Product images courtesy of Panasonic and Ricoh press materials.