The S1R II and R5 Mark II actually share a lot of similarities when it comes to their core specifications and features, so which one should you pick?
We’re bringing you this in-depth Panasonic Lumix S1R II vs Canon EOS R5 Mark II head-to-head comparison to explain the differences and help you choose between these two high-end full-frame mirrorless cameras.
You can also read our detailed Canon EOS R5 Mark II review to find out exactly what we think of that camera.
Sensor
The Canon EOS R5 Mark II uses a 45 megapixel stacked BSI CMOS full-frame image sensor paired with the very latest DIGIC X and DIGIC Accelerator dual image processors.
The Panasonic Lumix S1R II features a 44.3 megapixel non-stacked BSI CMOS full-frame sensor that offers ever so slightly less resolution and it uses the Venus image processing engine.
High Resolution Mode
The S1R II offers a special High Resolution mode, which captures 177-megapixel equivalent photos by rapidly taking 8 separate images and combining them into one.
It can capture its high resolution images whilst hand-holding the camera even at the full 177-megapixel resolution, although it’s still best suited to non-moving subjects.
In stark contrast, the Canon EOS R5 Mark II doesn’t have any such equivalent mode.
ISO Speed
The native ISO range of the S1R II runs from 80-51,200, which can be further expanded down to ISO 40 and up to ISO 102,400.
The native ISO range of the EOS R5 II runs from 100-51,200, which can be further expanded down to ISO 50 and up to ISO 102,400.
Dual Native ISO is a new feature on the S1R II that is borrowed directly from the S1H and Panasonic’s broadcast line of video cameras. This automatically switches between native ISO settings of 80 and 400 without increasing noise by changing the way the camera reads out the image sensor.
You can manually switch between the LOW and HIGH settings or choose Auto and rely on the camera to do so at various ISO levels.
The EOS R5 II does not have Dual Native ISO.
Video
The Canon R5 Mark II can record 8K 60p RAW video in-camera, plus 4K 120p, 4K 60p oversampled from 6K, and 2K or Full HD at 240p in XF-HEVC S / XF-AVC S formats.
It offers 16+ stops of dynamic range, minimal rolling shutter, Canon Log-2 / Log-3 / HLG profiles, custom pictures, proxy movie support and 4-channel 24-bit audio.
You can also shoot video and stills at the same time on the EOS R5 Mark II, even whilst using continuous shooting.
It has a full size HDMI port and the R5 II can record 8K/60p for up to 120 minutes.
The S1R II is the first Lumix camera to offer 8K 30p video recording with 14 stops of dynamic range. It also features 4K 120p recording without any crop.
The popular Open Gate format has been enhanced, allowing you to shoot in 6.4K, and even up to 8.1K / 7.2K with a future firmware update.
It also supports 5.8K Apple ProRes RAW HQ / ProRes RAW internal recording to a CFexpress Type B card for the first time on a full-frame Lumix camera. You can record to an external SSD via USB-C.
Autofocus
The S1R II has a hybrid contrast and phase-detection auto-focus system with AI tracking that quickly and precisely detects human eyes and faces and follows a subject’s movements smoothly.
Automatic Detection can be turned on to seamlessly switch between Human / Animal / Car / Motorcycle/Bike / Train / Airplane without having to dive into the menu system.
It works in low light all the way down to -6 EV with the 50mm F1.4 lens.
The Canon R5 II employs the Dual Pixel CMOS AF system with 5,940 individual phase detection points that cover the frame up to 100% vertically and horizontally using the Auto AF area selection.
Impressively the EOS R5 II can focus in light levels as low as -6.5EV (when used with an F1.2 lens).
The EOS R5 II’s deep-learning AI can recognise horses, aeroplanes and trains in addition to people, animals and motorsport vehicles when shooting both photo and videos.
The Dual Pixel Intelligent AF system featured on the R5 II offers an advanced tracking algorithm that can detect subject crossing/upper half of body and avoid obstacles by estimating the head area.
The Action Priority subject tracking mode uses deep learning tech for football, basketball and volleyball to detect where the action is and move the AF point to that subject at up to 60fps. It can quickly detect and identify multiple people, status of joints and ball positions and automatically determine the main subject and action poses, depending on the sport.
The Registered People Priority mode can detect and prioritise up to 10 faces even in side profile, useful for sports, news and weddings, with the ability to save 10 files on a memory card each with 10 registered faces.
The R5 II’s eye control AF feature lets you select focus points or subjects to track simply by looking at them in the electronic viewfinder.
Burst Shooting
The Canon R5 II can shoot at up to 30fps with the electronic shutter or 12fps with the mechanical shutter for 200 JPEG frames or 93/86 (CFexpress/SD card) RAW images.
Pre-continuous shooting up to 15 frames (Raw or JPEG/HEIF) before fully pressing the shutter button is additionally available.
The S1R II offers high-speed burst shooting rates at up to 40fps with the electronic shutter “SH” mode, and an extended continuous shooting “H+ (High Speed Plus)” mode of approximately 10fps with the mechanical shutter, both with full-time AF/AE tracking.
The SH pre-burst mode starts taking pictures before the shutter is fully pressed, ensuring you never miss a shot.
Shutter Speeds
The S1R II offers a fastest shutter speed of 1/16,000sec for stills in the Electronic shutter Speed Priority mode and video at up to 1/10,000sec.
The R5 II has a top shutter speed of 1/8000th second via either its electronic or mechanical shutters.
Body and Design
The R5 II measures 138.5 x 101.2 x 93.5 mm and weighs 656g body only and 746g with a memory card card and battery fitted.
The S1R II has a newly designed compact body that is almost identical to the Lumix S5 II, which measures 134.3 x 102.3 x 91.8mm and weighs 712g / 1.57 lb body only.
Both models are fully weather-sealed and splash/dust-proof and freeze-proof down to -10 degrees Celsius.
The R5 II has a large status LCD on top which is useful for quickly checking the camera’s key settings. This has unfortunately been removed on the S1R II model (it was on the original S1R).
Viewfinder
The S1R II’s OLED viewfinder has a resolution of 5.76-million-dots, offers 100% field of view, and a magnification ratio of 0.78x with a 50mm lens at infinity.
The EVF operates at a native rate of 120fps with a minimum lag of less than 0.005 sec, which helps to make it completely flicker-free.
The EOS R5 II also has a very impressive 5.76M-dot OLED electronic viewfinder with 0.76x magnification and a fast 120fps refresh rate.
LCD Screen
The Canon R5 Mark II has a 3.2-inch LCD panel with 2.1 million dots of resolution. It’s a fully articulating screen that can be flipped out to the side, rotated to the front, and folded against the back of the camera to help protect it.
The new S1R II uses a slightly smaller 3.0-inch, slightly less resolution 1.84 million dot vari-angle LCD screen.
IBIS
The Canon R5 II has a pretty incredible stabilisation system, with 5-axis in-body image stabilisation (IBIS) which provides up to 8 stops of compensation when using the camera with certain compatible lenses.
The S1R II has an enhanced in-body image stabilization system that offers 8 stops in the centre and 7 stops at the edges of the frame and 7.0-stops even in the telephoto range with Dual I.S.
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There’s also a newly developed cropless E.I.S. video distortion correction which stabilizes footage without cropping the angle of view.
Memory Cards
The Canon EOS R5 Mark II has one UHS-II SD card slot and one ultra-high speed CFexpress Type B slot.
The S1R II also utilises one UHS-II SD slot and one XQD / CFexpress slot housed in a dedicated compartment on the side of the body.
The memory card format is an important part of using both these cameras, supporting the 8K video recording, burst shooting and speedy performance, so you ideally need to use a CFexpress card that supports in excess of 1500Mbps write speeds to get the best out of them.
Battery Life
The R5 II uses the LP-E6P battery which offers a lifespan of 340 shots when using the electronic viewfinder and 630 shots when using the LCD monitor.
The S1R II offers up to 280-shot battery life when using the Live Viewfinder and 350-shots when using the rear LCD screen, increasing to 1,100 shots using the Power Save LVF mode.
Both cameras can be used with an optional battery grip if you’d prefer to have a larger body with portrait controls and extended battery life.
Price
The Canon EOS R5 Mark II was priced at £4,499 body only in the UK and €5,149 in Europe when it was launched in 2024.
The Panasonic S1R II body only will be available in March 2025 for £2,999 / €3,599 / $3,499 body only.
Conclusion
The Panasonic Lumix S1R II offers almost all of the same core features and specs as the Canon R5 Mark II at a much lower price point. It’s video specs and autofocus system aren’t quite as advanced, but it does offer a special High Resolution mode, Dual Native ISO, faster shutter speeds and faster 40fps continuous shooting.
So what do you think? Would you choose the new Panasonic Lumix S1R II or the Canon EOS R5 Mark II ? Leave a comment below!
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