challenger A
Leica
Q3 43
2024
VS
challenger B
Sony
RX1R III
2025
ReviewsLeica Q3 43
Leica Q3 43 vs Sony RX1R III — full comparison
Visual summary
— Reads in 5 seconds
8,1/ 10
PhotoExcellent
6,1/ 10
VideoBon
Leica
Q3 43
6,9/ 10
PhotoBon
3,8/ 10
VideoFaible
Sony
RX1R III
Leica Q3 43Sony RX1R III
Standout strengths
— Where each camera shines
Leica
Q3 43
Top advantages
- 100 000Native ISO max3,1× vs Sony RX1R III
- 9 fpsMechanical burst1,8× vs Sony RX1R III
- 600 Mb/sMax bitrate2× vs Sony RX1R III
- 75RAW buffer+44 % vs Sony RX1R III
Sony
RX1R III
Top advantages
- 693AF points2,2× vs Leica Q3 43
- OuiProxy recordingAbsent sur Leica Q3 43
- OuiGenlock + Time CodeAbsent sur Leica Q3 43
- 498 gWeight1,6× vs Leica Q3 43
Detailed spec-by-spec
— Round by round, the eight categories
Round 1
Sensor
SpecLeica Q3 43Sony RX1R III
Sensor format
Full Frame
—
Sensor type
BSI-CMOS
BSI CMOS
Megapixels
60.3 MP
61 MP
Sensor size
36 × 24 mm
—
Native ISO min
100
100
Native ISO max
100 000
32 000
Extended ISO max
100 000
102 400
Dynamic range (EV)
14.3 EV
15 EV
Round 2
Autofocus
SpecLeica Q3 43Sony RX1R III
AF points
315
693
AF coverage
100 %
78 %
Eye AF (human)
Oui
Oui
Eye AF (animal)
Oui
Oui
AF low light (EV)
-6 EV
-4 EV
Round 3
Speed & burst
SpecLeica Q3 43Sony RX1R III
Mechanical burst
9 fps
5 fps
Electronic burst
15 fps
—
RAW buffer
75
52
Max shutter speed
1/16000
1/8000
Round 4
Video
SpecLeica Q3 43Sony RX1R III
Max video resolution
8K
4K
Max video fps
30 fps
30 fps
Max bitrate
600 Mb/s
300 Mb/s
Video codecs
H.264, H.265, ProRes
H.264
Recording modes
All-I, Long-GOP
All-I, Long-GOP
Chroma subsampling
4:2:0, 4:2:2
4:2:0, 4:2:2
Bit depth
10-bit
10-bit
Log profile
Oui
Oui
Log profiles
Leica L-Log, HLG
S-Cinetone
Internal RAW
Non
Non
External RAW
—
—
Rolling shutter
—
18.3 ms
4K crop
1×
1×
Oversampling
Oui
Non
Open Gate
Non
Non
Anamorphic desqueeze
—
—
LUT support
user LUTs, in-camera LUT preview
user LUTs, in-camera LUT preview
Monitoring tools
waveform, vectorscope, histogram, zebras
—
Active cooling
Non
Non
Recording limit
29 min
Illimité
Unlimited recording
Oui
Oui
Dual Native ISO
Non
—
Proxy recording
Non
Oui
XLR input
Non
Non
32-bit float audio
Non
Non
Genlock + Time Code
Non
Oui
Round 5
Stabilisation
SpecLeica Q3 43Sony RX1R III
In-body stabilisation
Non
Non
Round 6
Build
SpecLeica Q3 43Sony RX1R III
Weather sealing
Oui
Non
Dual card slots
Non
Non
Card types
SD UHS-II
SD UHS-II
Round 7
Ergonomics & screen
SpecLeica Q3 43Sony RX1R III
Weight
772 g
498 g
Dimensions
130 x 80.3 x 97.6
113 x 68 x 88
Viewfinder type
EVF
OLED EVF
Viewfinder resolution
5.76 M dots
2.36 M dots
Viewfinder magnification
0.79×
0.7×
Screen size
3″
3″
Screen resolution
1.84 M dots
2.36 M dots
Screen articulation
fixed
fixed
Touchscreen
Oui
Oui
Round 8
Connectivity & battery
SpecLeica Q3 43Sony RX1R III
Battery life (CIPA)
350 clichés
300 clichés
USB type
USB-C 10Gbps
USB-C 3.2
HDMI type
Micro HDMI
Micro HDMI
Wi-Fi
Oui
Oui
Bluetooth
Oui
Oui