Leica
Q3
Full-frame fixed 28mm f/1.7 premium compact for documentary and travel.
$5,995
Launch priceReleased May 2023
Sony
RX10 IV
1-inch bridge with 24–600mm f/2.4–4 zoom, 24fps AF tracking, and pro video features.
$1,699
Launch priceReleased Sep 2017
Q3 is 5.7 years newer.
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Wins
Q3
Wins
RX10 IV
3 categories tied
Which would you choose?
TL;DR — Key differences
- AQ3 has higher ISO max (native) (100,000 vs 12,800)
- BRX10 IV has higher Burst (mechanical) (24 fps vs 4 fps)
- AQ3 has higher Resolution (60.3 MP vs 20.1 MP)
- AQ3 has higher EVF resolution (5,760,000 vs 2,359,296)
- AQ3 has higher 4K max frame rate (60 fps vs 29.97 fps)
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
RX10 IV
133 × 94 × 145 mm
1095 g (2.41 lb / 38.63 oz)
Q3 is 3mm narrower, 14mm shorter, and 53mm thinner than RX10 IV.
Q3 is 352 g lighter than RX10 IV.
Depth (front-to-back): 92mm Q3 · 145mm RX10 IV
Back view, to scale
Width × Height — same proportions as the front of the body.
Q3
130 × 80 mm
Credit card
85.6 × 54 mm
RX10 IV
133 × 94 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
RX10 IV
133 × 145 mm
Sensor size, to scale
Q3
36 × 24 mm · Full Frame
864 mm² area
RX10 IV
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
Codecs
Adds H.265, H.264, ProRes
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
EVF resolution
5,760,000 vs 2,359,296 — higher is better
4K max frame rate
60 fps vs 29.97 fps — higher is better
ISO min (native)
50 vs 100 — lower is better
Reasons to choose
RX10 IV
Codecs
Adds AVCHD, MP4, XAVC S
Dimensions (W×H×D mm)
Adds 132.5, 94, 145
Card types
Adds SD, SDHC, SDXC…
Burst (mechanical)
24 fps vs 4 fps — higher is better
AA filter
Only RX10 IV supports it
Subject recognition
Adds Bird, Vehicle
Pre-Capture / Pre-Release
Only RX10 IV supports it
In-body stabilization (IBIS)
Only RX10 IV supports it
Both cameras share
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Burst (electronic) — Both 15 fps
- ✓Max video bit rate — Both 150 Mbps
- ✓Weather sealing — Both support weather sealing
- ✓Card slots — Both 1
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
RX10 IV
Pros
- ✓24–600mm reach
- ✓24fps with AF
- ✓Weather sealed
- ✓Strong all-in-one travel camera
Cons
- –1-inch sensor
- –Large bridge body
- –Expensive for sensor size
Decided which one is right for you?
Compare live prices for the Q3 and RX10 IV at major authorized retailers.
Sony RX10 IV
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for landscape, Q3 or RX10 IV?
Q3 scores 8.0/10 versus 2.5/10 for RX10 IV — 60.3MP — massive detail for large prints.
What's the resolution difference between the Q3 and RX10 IV?
Q3 is 60.3 MP and RX10 IV is 20.1 MP, so the Q3 captures more detail for cropping and large prints.
Do the Q3 and RX10 IV have in-body image stabilization?
Q3 does not have IBIS, while RX10 IV has 6-stop in-body image stabilization.
Which shoots faster bursts — the Q3 or the RX10 IV?
Q3 reaches 15 fps electronic. RX10 IV reaches 24 fps mechanical.
What's the weight difference between the Q3 and RX10 IV?
Q3 weighs 743 g and RX10 IV weighs 1095 g, so the Q3 is 352 g lighter.
Do the Q3 and RX10 IV record 4K video?
Q3: 8K (max), 4K up to 60p. RX10 IV: 4K up to 29.97p.
Are the Q3 and RX10 IV weather sealed?
Q3: Yes. RX10 IV: Yes.
Which has better battery life?
Rated battery life is 350 shots (CIPA) for the Q3 and 370 shots for the RX10 IV, giving the RX10 IV the edge.
How much does each cost?
Q3 launched at $5,995 and RX10 IV at $1,699. The RX10 IV is $4,296 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way Q3 vs RX10 IV vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.
Product images courtesy of Leica and Sony press materials.