
Leica
Q3
Full-frame fixed 28mm f/1.7 premium compact for documentary and travel.
$5,995
Launch priceReleased May 2023
Panasonic
Lumix ZS300
Large-sensor travel compact with 20.1MP 1-inch BSI CMOS, 15x 24–360mm Leica zoom, 4K30 video, hybrid O.I.S., and USB-C — ZS200 successor without EVF.
$899
Launch priceReleased May 2026
Lumix ZS300 is 2.9 years newer.
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Wins
Q3
Wins
Lumix ZS300
1 categories tied
Which would you choose?
TL;DR — Key differences
- AQ3 has higher ISO max (native) (100,000 vs 12,800)
- AQ3 has higher Resolution (60.3 MP vs 20.1 MP)
- AQ3 has lower ISO min (native) (50 vs 125)
- BLumix ZS300 has higher Burst (mechanical) (10 fps vs 4 fps)
- BLumix ZS300 has lower Weight (337 g vs 743 g)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
Q3
130 × 80 × 92 mm
743 g (1.64 lb / 26.21 oz)

Credit card
85.6 × 54 mm
for scale
Lumix ZS300
111 × 66 × 45 mm
337 g (0.74 lb / 11.89 oz)
Q3 is 19mm wider, 14mm taller, and 47mm thicker than Lumix ZS300.
Q3 is 406 g heavier than Lumix ZS300.
Depth (front-to-back): 92mm Q3 · 45mm Lumix ZS300
Back view, to scale
Width × Height — same proportions as the front of the body.

Q3
130 × 80 mm

Credit card
85.6 × 54 mm
Lumix ZS300
111 × 66 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.

Q3
130 × 92 mm

Credit card
85.6 × 54 mm
Lumix ZS300
111 × 45 mm
Sensor size, to scale
Q3
36 × 24 mm · Full Frame
864 mm² area
Lumix ZS300
13.2 × 8.8 mm · 1-inch
116 mm² area
7.4× 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
Why pick one over the other
Reasons to choose
Q3
Dimensions (W×H×D mm)
Adds 130, 80, 92
Card types
Adds SD UHS-II
ISO max (native)
100,000 vs 12,800 — higher is better
Resolution
60.3 MP vs 20.1 MP — higher is better
Codecs
Adds H.265, ProRes
ISO min (native)
50 vs 125 — lower is better
4K max frame rate
60 fps vs 30 fps — higher is better
Weather sealing
Only Q3 supports it
Reasons to choose
Lumix ZS300
Dimensions (W×H×D mm)
Adds 111.2, 66.4, 45.2
Card types
Adds SD UHS-I U3
Burst (mechanical)
10 fps vs 4 fps — higher is better
Weight
337 g vs 743 g — lower is better
Burst (electronic)
30 fps vs 15 fps — higher is better
Codecs
Adds MP4
Battery life (CIPA)
360 shots vs 350 shots — higher is better
Both cameras share
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Card slots — Both 1
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
- ✓Bluetooth — Both support bluetooth
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
Lumix ZS300
Pros
- ✓1-inch 20.1MP BSI sensor
- ✓15x 24–360mm Leica zoom
- ✓4K video + 4K Photo burst
- ✓AF macro from 3 cm
- ✓USB-C + Bluetooth/Wi-Fi sharing
Cons
- –No built-in EVF (vs ZS200)
- –Slow f/3.3–6.4 aperture
- –Fixed rear screen only
- –$100 premium over ZS200 launch
Decided which one is right for you?
Compare live prices for the Q3 and Lumix ZS300 at major authorized retailers.
Panasonic Lumix ZS300
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for landscape, Q3 or Lumix ZS300?
Q3 scores 8.0/10 versus 0.0/10 for Lumix ZS300 — 60.3MP — massive detail for large prints.
What's the resolution difference between the Q3 and Lumix ZS300?
Q3 is 60.3 MP and Lumix ZS300 is 20.1 MP, so the Q3 captures more detail for cropping and large prints.
How does stabilization compare between the Q3 and Lumix ZS300?
Q3 does not have IBIS, while Lumix ZS300 does not have IBIS.
Which shoots faster bursts — the Q3 or the Lumix ZS300?
Q3 reaches 15 fps electronic. Lumix ZS300 reaches 30 fps electronic.
What's the weight difference between the Q3 and Lumix ZS300?
Q3 weighs 743 g and Lumix ZS300 weighs 337 g, so the Lumix ZS300 is 406 g lighter.
Do the Q3 and Lumix ZS300 record 4K video?
Q3: 8K (max), 4K up to 60p. Lumix ZS300: 4K up to 30p.
Are the Q3 and Lumix ZS300 weather sealed?
Q3: Yes. Lumix ZS300: No.
Which has better battery life?
Rated battery life is 350 shots (CIPA) for the Q3 and 360 shots for the Lumix ZS300, giving the Lumix ZS300 the edge.
How much does each cost?
Q3 launched at $5,995 and Lumix ZS300 at $899. The Lumix ZS300 is $5,096 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way Q3 vs Lumix ZS300 vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of Leica and Panasonic press materials.