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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

Ricoh

GR III HDF

GR III variant with built-in Highlight Diffusion Filter for softer glow effects and the same 28mm APS-C pocket formula.

$1,066

Launch price

Released Apr 2024

GR III HDF is 11 months newer.

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Wins

4categories

Q3

LandscapePortrait

Wins

2categories

GR III HDF

PortraitVlogging

3 categories tied

Which would you choose?

TL;DR — Key differences

Q3 wins 4 categories·GR III HDF wins 1 categories
  • AQ3 has higher Burst (electronic) (15 fps vs 4 fps)
  • BGR III HDF has lower Weight (257 g vs 743 g)
  • AQ3 has higher Resolution (60.3 MP vs 24.24 MP)
  • AQ3 has lower ISO min (native) (50 vs 100)
  • AQ3 has higher Battery life (CIPA) (350 shots vs 200 shots)

Key specs at a glance

Q3GR III HDF
Resolution60.3 MP24.24 MP
SensorFull FrameAPS-C
ISO max100,000102,400
Burst15 fps4 fps
4K60 fps60 fps
IBISNoYes
Weight743 g257 g
Battery350 shots200 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 III HDF

109 × 62 × 33 mm

257 g (0.57 lb / 9.07 oz)

Q3 is 21mm wider, 18mm taller, and 59mm thicker than GR III HDF.

Q3 is 486 g heavier than GR III HDF.

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

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 III HDF

109 × 62 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 III HDF

109 × 33 mm

Sensor size, to scale

Q3

36 × 24 mm · Full Frame

864 mm² area

GR III HDF

23.5 × 15.6 mm · APS-C

367 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 III HDF
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
2.0Limited
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 24.24 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 III HDF

  • Codecs

    Adds MPEG-4 AVC/H.264, MOV

  • Dimensions (W×H×D mm)

    Adds 109.4, 61.9, 33.2

  • Card types

    Adds SD, SDHC, SDXC UHS-I

  • Weight

    257 g vs 743 g — lower is better

  • In-body stabilization (IBIS)

    Only GR III HDF supports it

  • ISO max (native)

    102,400 vs 100,000 — higher is better

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 III HDF

Pros

  • Built-in HDF effect
  • Pocketable APS-C
  • 28mm equivalent GR lens
  • 3-axis SR

Cons

  • No ND filter
  • Fixed lens
  • Full HD video only

Decided which one is right for you?

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

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Full specifications

= category winner

Q3
GR III HDF
Resolution
60.3 MP2.5× more
24.24 MP
Sensor type
Full-frame BSI CMOS
APS-C CMOS
Sensor size
36 x 24 mm
23.5 x 15.6 mm
AA filter
No
No
Q3
GR III HDF
Aperture
f/1.7
F2.8-F16
Focal length (35mm equiv.)
28 mm
28 mm
Q3
GR III HDF
Processor
Maestro Series processor with L2 Technology
GR ENGINE 6
Q3
GR III HDF
ISO min (native)
50−50 less
100
ISO max (native)
100,000
102,400
ISO max (expanded)
100,000
102,400
Q3
GR III HDF
Shutter type
Electronic + mechanical shutter
Leaf shutter
Max mechanical speed
1/2000 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 landscape, Q3 or GR III HDF?

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

What's the resolution difference between the Q3 and GR III HDF?

Q3 is 60.3 MP and GR III HDF is 24.24 MP, so the Q3 captures more detail for cropping and large prints.

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

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

Which shoots faster bursts — the Q3 or the GR III HDF?

Q3 reaches 15 fps electronic. GR III HDF reaches 4 fps electronic.

What's the weight difference between the Q3 and GR III HDF?

Q3 weighs 743 g and GR III HDF weighs 257 g, so the GR III HDF is 486 g lighter.

Do the Q3 and GR III HDF record 4K video?

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

Are the Q3 and GR III HDF weather sealed?

Q3: Yes. GR III HDF: No.

Which has better battery life?

Rated battery life is 350 shots (CIPA) for the Q3 and 200 shots for the GR III HDF, giving the Q3 the edge.

How much does each cost?

Q3 launched at $5,995 and GR III HDF at $1,066. The GR III HDF is $4,929 less.

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

Add any camera to get a three-way Q3 vs GR III HDF 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.