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Q3

Leica

Q3

Full-frame fixed 28mm f/1.7 premium compact for documentary and travel.

$5,995

Launch price

Released May 2023

vs
GR IV

Ricoh

GR IV

Latest GR with 25.74MP APS-C sensor, 28mm equivalent lens, 5-axis SR, 53GB internal memory, and pocket street-camera handling.

$1,499

Launch price

Released Jan 2026

GR IV is 2.6 years newer.

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Wins

4categories

Q3

LandscapePortrait

Wins

2categories

GR IV

PortraitVlogging

3 categories tied

Which would you choose?

TL;DR — Key differences

Q3 wins 3 categories·GR IV wins 2 categories
  • AQ3 has higher Burst (electronic) (15 fps vs 4 fps)
  • BGR IV has lower Weight (262 g vs 743 g)
  • AQ3 has higher Resolution (60.3 MP vs 25.74 MP)
  • BGR IV has higher ISO max (native) (204,800 vs 100,000)
  • AQ3 has lower ISO min (native) (50 vs 100)

Key specs at a glance

Q3GR IV
Resolution60.3 MP25.74 MP
SensorFull FrameAPS-C
ISO max100,000204,800
Burst15 fps4 fps
4K60 fps60 fps
IBISNoYes
Weight743 g262 g
Battery350 shots250 shots

Size and weight, to scale

Q3 front view

Q3

130 × 80 × 92 mm

743 g (1.64 lb / 26.21 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 IV front view

GR IV

109 × 61 × 33 mm

262 g (0.58 lb / 9.24 oz)

Q3 is 21mm wider, 19mm taller, and 59mm thicker than GR IV.

Q3 is 481 g heavier than GR IV.

Depth (front-to-back): 92mm Q3 · 33mm GR IV

Back view, to scale

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

Q3 back view

Q3

130 × 80 mm

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

Credit card

85.6 × 54 mm

GR IV back view

GR IV

109 × 61 mm

Top view, to scale

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

Q3 top view

Q3

130 × 92 mm

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

Credit card

85.6 × 54 mm

GR IV top view

GR IV

109 × 33 mm

Sensor size, to scale

Q3

36 × 24 mm · Full Frame

864 mm² area

GR IV

23.3 × 15.5 mm · APS-C

361 mm² area

2.4× 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 caseQ3GR IV
Portrait
7.5Good✓ wins
6.5Good
Sports & Action
5.0Fair✓ wins
1.5Limited
Video & Hybrid
5.5Fair✓ wins
3.5Limited
Landscape
8.0Excellent✓ wins
2.5Limited
Travel
4.5Fair
5.5Fair✓ wins
Wildlife
5.5Fair✓ wins
1.0Limited
Vlogging
3.0Limited
6.5Good✓ wins

Why pick one over the other

Reasons to choose

Q3

  • Codecs

    Adds H.265, H.264, ProRes

  • Dimensions (W×H×D mm)

    Adds 130, 80, 92

  • Card types

    Adds SD UHS-II

  • Burst (electronic)

    15 fps vs 4 fps — higher is better

  • Resolution

    60.3 MP vs 25.74 MP — higher is better

  • ISO min (native)

    50 vs 100 — lower is better

  • Animal / bird AF

    Only Q3 supports it

  • Subject recognition

    Adds Human, Animal

Reasons to choose

GR IV

  • Codecs

    Adds MPEG-4 AVC/H.264, MOV

  • Dimensions (W×H×D mm)

    Adds 109.4, 61.1, 32.7

  • Card types

    Adds microSD, microSDHC, microSDXC UHS-I

  • Weight

    262 g vs 743 g — lower is better

  • ISO max (native)

    204,800 vs 100,000 — higher is better

  • In-body stabilization (IBIS)

    Only GR IV supports it

Both cameras share

  • Eye AFBoth support eye af
  • Burst (mechanical)Both 4 fps
  • 4K max frame rateBoth 60 fps
  • Card slotsBoth 1
  • TouchscreenBoth support touchscreen
  • Wi-FiBoth support wi-fi

Pros & cons at a glance

Editorially curated highlights and trade-offs.

Q3

Pros

  • 60MP full-frame
  • Summilux 28mm lens
  • Built like a tank
  • Unique aesthetic

Cons

  • Fixed lens
  • Very expensive
  • No interchangeable system

GR IV

Pros

  • 25.74MP APS-C sensor
  • 5-axis sensor-shift SR
  • 53GB internal memory
  • Pocketable 28mm GR lens

Cons

  • Fixed lens
  • No built-in EVF
  • Full HD video only

Decided which one is right for you?

Compare live prices for the Q3 and GR IV at major authorized retailers.

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Full specifications

= category winner

Q3
GR IV
Resolution
60.3 MP2.3× more
25.74 MP
Sensor type
Full-frame BSI CMOS
APS-C CMOS
Sensor size
36 x 24 mm
23.3 x 15.5 mm
AA filter
No
No
Q3
GR IV
Aperture
f/1.7
F2.8-F16
Focal length (35mm equiv.)
28 mm
28 mm
Q3
GR IV
Processor
Maestro Series processor with L2 Technology
GR ENGINE 7
Q3
GR IV
ISO min (native)
50−50 less
100
ISO max (native)
100,000
204,800+1 stop
ISO max (expanded)
100,000
204,800
Q3
GR IV
Shutter type
Electronic + mechanical shutter
Leaf shutter
Max mechanical speed
1/2000 sec
1/4000 sec
Max electronic speed
1/16000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for landscape, Q3 or GR IV?

Q3 scores 8.0/10 versus 2.5/10 for GR IV — 60.3MP — massive detail for large prints.

What's the resolution difference between the Q3 and GR IV?

Q3 is 60.3 MP and GR IV is 25.74 MP, so the Q3 captures more detail for cropping and large prints.

Do the Q3 and GR IV have in-body image stabilization?

Q3 does not have IBIS, while GR IV has in-body image stabilization.

Which shoots faster bursts — the Q3 or the GR IV?

Q3 reaches 15 fps electronic. GR IV reaches 4 fps electronic.

What's the weight difference between the Q3 and GR IV?

Q3 weighs 743 g and GR IV weighs 262 g, so the GR IV is 481 g lighter.

Do the Q3 and GR IV record 4K video?

Q3: 8K (max), 4K up to 60p. GR IV: 4K up to 60p.

Are the Q3 and GR IV weather sealed?

Q3: Yes. GR IV: No.

Which has better battery life?

Rated battery life is 350 shots (CIPA) for the Q3 and 250 shots for the GR IV, giving the Q3 the edge.

How much does each cost?

Q3 launched at $5,995 and GR IV at $1,499. The GR IV is $4,496 less.

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

Add any camera to get a three-way Q3 vs GR IV vs X comparison.

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

Product images courtesy of Leica and Ricoh press materials.