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Canon EOS R6 Mark III vs Panasonic LUMIX S1RII

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

CanonEOS R6 Mark IIIPanasonicLUMIX S1RII
Overview
ReleasedNovember 2025March 2025
Image and sensor
Camera typeMirrorlessMirrorless
Sensor formatFull frameFull frame
Sensor typeCMOSBSI CMOS
Sensor dimensions35.9 × 23.9 mm35.8 × 23.9 mm
Effective resolution32.5 MP44.3 MP
Largest image6960 × 46408144 × 5424
RAW recordingYesYes
Standard ISO range100–6400080–51200
Sensor detailFull-frame 35.9 × 23.9 mm CMOS; approximately 32.5 million effective and 34.2 million total pixels; fixed low-pass filter and integrated cleaning44.3 million effective and 45.9 million total pixels; 35.8 × 23.9 mm BSI CMOS (maker US announcement); normal 3:2 stills 8144×5424. Eight-frame high-resolution composites reach 16288×10848 and are separate from native sensor resolution
Image formatsJPEG, HEIF, RAW and C-RAW; native 6960 × 4640 still images; 12-bit RAW movie recordingJPEG, RAW and HEIF; high-resolution composites use RAW/JPEG rather than HEIF
ISO detailStandard still-photo ISO 100–64000, expandable to ISO 50–102400; normal movie ISO 100–25600, with profile-dependent Canon Log and HDR rangesStandard stills ISO 80–51200; expanded 40 and 102400; native standard sensitivities ISO 80/400, distinct from V-Log and other video profiles
Image processorDIGIC X–
Lens and shooting
Lens mountCanon RFL-Mount
StabilisationSensor shiftLens and sensor shift
Maximum continuous burst40 fps40 fps
Lens detailRF and RF-S lenses directly; EF/EF-S using EF-EOS R adapters; EF-M incompatible; RF-S/EF-S use approximately 1.6× crop–
AutofocusDual Pixel CMOS AF II; up to 6097 still or 4641 movie selectable AF positions; people, animal and vehicle recognition plus registered-person priority; available AF area depends on lensPhase Hybrid AF using phase and contrast detection; human, animal, car, motorcycle/bicycle, train and aircraft recognition; −6 to 18 EV with f/1.4 lens, ISO 100 and AFS. Subject type must be selected manually (both reviews)
ShutterMechanical and electronic first curtain 30–1/8000 second plus Bulb; electronic shutter 30–1/16000 second plus Bulb; available range varies with shooting modeMechanical 60–1/8000 second and Bulb to approximately 30 minutes; electronic first curtain 60–1/2000; electronic image-priority 60–1/8000 or speed-priority 60–1/16000, Bulb to approximately 60 seconds
Burst detailUp to 40 fps electronic or 12 fps mechanical/electronic first curtain; electronic maker buffer approximately 330 JPEG or 150 RAW on CFexpress, 330 JPEG or 140 RAW on SD; mechanical buffer 1000+ RAW on CFexpress or 400 RAW on SD; pre-continuous capture up to 20 earlier frames; results depend on Canon test conditions, lens, battery, card and settingsFull-resolution electronic SH 40 or 20 fps with AFS/AFC/MF; SH buffer 70 RAW/JPEG or 65 HEIF frames. Mechanical speed-priority H+ up to 10 fps AFC, or 8 fps AFC with live view; image-priority H+ 9 fps AFC, or 7 fps AFC with live view. Current maker settings supersede older review reports that electronic 20 fps was unavailable
Stabilisation detailFive-axis sensor-shift IBIS with coordinated optical lens stabilisation; up to 8.5 stops centre and 7.5 stops periphery under CIPA 2024 yaw, pitch and roll testing with RF 24-105mm F2.8L IS USM Z at 105 mm; Movie Digital IS is separateFive-axis sensor-shift B.I.S., eight centre/seven corner stops with S-R2060 at 60 mm; Dual I.S.2 seven centre/corner stops with S-R24105 at 105 mm, CIPA-2024. Electronic video IS is separate; current Japan table marks crop-less mode as firmware 3.0
FlashExternal EL/EX Speedlite support; full-frame mechanical sync 1/200 second or electronic-first-curtain sync 1/250 second; higher crop-mode rates are separateExternal flash support, no built-in flash (Photography Blog); sync up to 1/250 second with maker flash-output restrictions
Video
Highest video resolution6960 × 4640 at 29.97 fps8064 × 5376 at 24 fps
Video detailHighest-resolution 3:2 RAW open gate 6960 × 4640 up to 29.97/25 fps; open-gate MP4 6912 × 4608; 17:9 Light RAW 6960 × 3672 up to 59.94/50 fps; 4K DCI/UHD up to 119.9/100 fps and Full HD up to 179.8/150 fps; oversampled 4K Fine up to 59.94/50 fps, with different sampling at higher rates; Canon Log 2/3, PQ/HLG and 10-bit 4:2:2 options; no built-in cooling fan (Photography Blog); normal clip ceiling six hours below 100 fps or two hours at 100 fps and above, subject to heat, power and other limitsCurrent maker supplement lists internal 8064×5376 3:2 open-gate HEVC 4:2:0 10-bit at 23.98/24p; 8128×4288 17:9 at 29.97p and 7680×4320 UHD at 29.97p. Internal 5760×3040 ProRes RAW HQ/RAW up to 29.97p; image-area and media restrictions depend on mode. HDMI RAW 8128×5418 at 23.98p is external-recorder output, not the internal headline. Open-gate 8.1K was a promised firmware upgrade at launch and appears in the current maker table; no launch availability inferred
Audio–Stereo built-in microphone; MOV LPCM up to 96 kHz/24-bit, with built-in microphone limited to 48 kHz; optional DMW-XLR2 required for 32-bit float recording
Screen and viewfinder
ViewfinderElectronicElectronic
Screen size3″3″
Screen dots1,600,0001,840,000
TouchscreenYesYes
Tilting screenYesYes
Display detail3-inch vari-angle touchscreen; UK maker rounds to approximately 1.6 million dots, Asian maker specifies 1.62 million dotsThree-inch 3:2 capacitive touchscreen, approximately 1.84 million dots and 100% coverage; tilt and free-angle articulation (Panasonic UK)
Viewfinder detail0.5-inch OLED, approximately 3.69 million dots, 100% coverage, 0.76× magnification and refresh up to 120 fps0.5-inch OLED, approximately 5.76 million dots, 100% coverage and 0.78× magnification with 50 mm lens at infinity, −1 dioptre and 3:2 aspect ratio
Connections and design
Wi-FiYesYes
BluetoothYesYes
Battery life (maker's claim)390 photographs280 photographs
Body weight609 g712 g
Release detailMaker US announcement specifies November 2025 availability; Japanese maker confirms 21 November, while Photography Blog reports 20 November for its market; month retained across these regional launchesMaker US announcement specifies late March 2025 availability, retained at month precision without inventing a day or a UK-specific launch date
Recording mediaOne CFexpress Type B slot up to 8 TB with CFexpress 2.0/VPG400 support; one UHS-II SD/SDHC/SDXC slotOne CFexpress Type B slot and one SD/SDHC/SDXC UHS-II slot; no XQD support inferred from Photography Blog's conflicting table
PortsUSB-C 3.2 Gen 2, full-size HDMI Type A, external microphone and headphone sockets, E3 remote terminal and multi-function shoeUSB-C 10 Gbps with USB Power Delivery, full-size HDMI Type A, 2.5 mm remote, 3.5 mm stereo microphone and headphone connections; no flash-sync terminal in Japan table
Wireless connectionsWi-Fi 802.11ac at 2.4/5 GHz with Bluetooth 5.1; regional Wi-Fi restrictions may applyWi-Fi 2.4 GHz 802.11b/g/n and 5 GHz 802.11a/n/ac; Bluetooth Low Energy 5.0; Japan channel ranges not assumed identical in every region
Battery life detailLP-E6P; maker CIPA claim at 23°C approximately 390 photographs with EVF or 620 with LCD; LP-E6NH/LP-E6N disable functions including pre-continuous capture and HDMI RAW, and restrict networking, accessories and movie settings; LP-E6 incompatibleDMW-BLK22; SD-card CIPA approximately 280 EVF/350 LCD shots with S-R24105, or 1100 in specified power-save EVF mode; CFexpress approximately 280/340 or 950 respectively
ChargingCompatible USB PD power adapters; optional DR-E6P DC coupler requires PD-E2, and cannot pair with PD-E1In-camera USB charging and power supply, including USB Power Delivery; optional DMW-AC11 AC adapter
DimensionsApproximately 138.4 × 98.4 × 88.4 mm (width × height × depth)Approximately 134.3 × 102.3 × 91.8 mm, excluding protrusions
Weight detailApproximately 609 g body only; 699 g with card and batteryPanasonic UK specifies 712 g body only and 795 g with shoe cover, battery and SD card; photographed body excludes lens
MaterialsMagnesium-alloy body and chassis with glass-fibre polycarbonate components; dust- and water-resistant construction is not waterproof; supplied shoe cover or compatible sealed accessory needed for sealingDust, splash and freeze-resistant body; maker operating range −10 to 40°C with cold-temperature battery and lens restrictions; no waterproof rating inferred
In the box–Japan maker lists battery, battery charger, shoulder strap, body cap, hot-shoe cover and battery-grip contact cover; regional bundle contents may vary

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