Canon R6 Mark II vs R6 Mark III: What Changed, Which to Buy

The Canon EOS R6 Mark III keeps the R6 Mark II's 40fps burst speed and the same Dual Pixel CMOS AF II system, then adds a 32.5MP sensor, internal 7K RAW video, 4K at up to 120p and dual CFexpress and SD card slots. If you mostly shoot stills and want to save money, the Mark II is still the better value; if you shoot serious video or fast action you cannot predict, the Mark III earns its higher price.

The differences at a glance

On the outside the two cameras look exactly the same, so almost every change is inside the body. Here is how the main specs line up, based on Canon's published figures and reviewer reporting.

Spec	R6 Mark II	R6 Mark III
Resolution	24.2MP	32.5MP
Processor and AF	DIGIC X, Dual Pixel CMOS AF II	DIGIC X, Dual Pixel CMOS AF II
Burst (mechanical / electronic)	12fps / 40fps	12fps / 40fps
In-body stabilization	8 stops	8.5 stops
Top 4K frame rate	4K60, oversampled from 6K	4K at up to 119.8p
RAW video	6K, external recorder via HDMI only	7K up to 59.94p internal, 12-bit Canon RAW Light
Slow motion	1080p up to 180fps	4K 120p, 2K 180p
Card slots	SD	CFexpress and SD
Battery	LP-E6NH	LP-E6P
Shooting before full press	RAW burst mode, RAW only	Pre-continuous shooting, 20 frames
Launch price (US, body)	$2,499.99	$2,799

Read the table from top to bottom and a pattern shows up. The things that make a camera good for action stills, like burst speed, autofocus and stabilization, barely changed. The big gains are in resolution, video and how the camera handles fast shooting in practice.

What did not change

Burst speed

Buying the newer camera does not get you a faster headline burst rate. Both bodies shoot up to 12fps with the mechanical shutter and up to 40fps with the electronic shutter. When the Mark II launched, PetaPixel described that 40fps mode as the fastest full-frame mirrorless shooting on the market, outpacing the Canon EOS R3. That speed is why Y.M.Cinema Magazine still calls the Mark II an extremely fast camera for sports, wildlife and action.

Autofocus

Both cameras use Canon's Dual Pixel CMOS AF II system and the DIGIC X processor, and Y.M.Cinema Magazine describes the Mark III's autofocus as a refinement rather than a revolution. The Mark II already detects people, dogs, cats, birds, horses, cars, motorcycles, aircraft and trains. It also has an AUTO option that switches between people, animal and vehicle detection without you digging into the menu.

In Digital Camera World's testing with a troupe of dancers, the Mark II locked onto the face or eye every time, even in low light. PetaPixel found one weak spot: with animals and birds, it was more likely to find the body than the eyes. If you shoot people, the Mark II's autofocus is not a reason to upgrade.

Stabilization

IBIS went from 8 stops on the Mark II to 8.5 stops on the Mark III. Canon's 8-stop rating for the Mark II is based on CIPA standards with the RF24-105mm F4 L IS USM at 105mm. Canon rates the Mark III's 8.5 stops in the center of the frame, depending on lens and conditions. Half a stop is a small difference, and Y.M.Cinema Magazine says this is not an area where a Mark II owner should feel the camera has become outdated.

What the Mark III adds

More resolution

The Mark III's 32.5MP sensor gives you about 25% more resolution than the Mark II. That means more detail and more room to crop. Resolution is not the same thing as overall image quality, though, and the Mark II already delivers excellent full-frame images and strong high-ISO results.

The Mark II's sensor is not BSI. In PetaPixel's hands-on, noise was pretty visible at ISO 6400 and got stronger beyond that. If you shoot dim indoor events with a Mark II, our guide to fixing noisy or dark R6 Mark II photos walks through what to change.

Smaller files have upsides too. PetaPixel pointed out that the Mark II's 24MP files mean faster editing and lower storage costs, which matters if you shoot thousands of frames per wedding.

Video: the biggest jump

The Mark II records 4K up to 60p in 10-bit, oversampled from 6K. It shoots Canon Log 3 and can output 6K RAW, but only to an external recorder over HDMI. Slow motion tops out at 1080p and 180fps.

The Mark III records 7K internally at up to 59.94p in 12-bit Canon RAW Light. It adds 7K open gate at up to 30p, 4K at up to 119.8p, 2K at 180p and oversampled 4K60. Internal RAW goes straight to a CFexpress card, so you no longer need an external recorder. Photography Blog notes it is also the first full-frame EOS camera with 4K60 UVC live streaming.

I produce weekly video for an athlete and a business, so this is the section I would weigh most. Slow-motion B-roll is a staple of that kind of work, and Y.M.Cinema Magazine lists sports, commercial work, music videos and cinematic B-roll as places 4K120 is genuinely useful. If your work looks like that, the video upgrade alone can justify the Mark III.

Pre-continuous shooting vs RAW burst mode

Pre-continuous shooting is the Mark III feature action shooters will notice most. Half-press the shutter and the camera keeps a rolling buffer of 20 images at 40fps. Press fully and it saves those 20 frames, then keeps shooting at 40fps until the buffer fills, which PetaPixel puts at around 150 shots with a CFexpress card in RAW+JPEG.

The Mark II can capture frames before a full press with RAW burst mode, but PetaPixel says it works with more limitations and a much worse user experience. It only shoots RAW, with no JPEG or HEIF. It packs the burst into one file, and you have to pick frames out in the camera or in Canon's software. PetaPixel's editor-in-chief Jaron Schneider noted that if you skip that step, the frames do not show up when you import to a computer. RAW burst mode also locks the camera while the buffer clears. Canon borrowed pre-continuous shooting from the R5 II for the Mark III.

For athlete content, the moment you want often happens a split second before your finger reacts. That is the job pre-continuous shooting is built for.

Cards, battery and connectivity

The Mark II stores to SD cards, and in PetaPixel's review the reviewer occasionally waited for the buffer to clear at 40fps. The Mark III has both CFexpress and SD slots. CFexpress helps buffer performance during high-speed shooting.

The Mark II uses the LP-E6NH battery, while the Mark III uses the LP-E6P from the EOS R5 II. Photography Blog lists better battery life and a bigger buffer among the Mark III's main improvements. The Mark III also adds 5GHz Wi-Fi and Bluetooth 5.1.

Price: what the gap really costs

The Mark II launched at the end of 2022 at $2,499.99, and the Mark III launched in late 2025 at $2,799. Street prices for the Mark II have dropped since. Digital Camera World listed it at $1,799 against $2,799 for the Mark III. Y.M.Cinema Magazine listed the Mark II at $1,999, an $800 gap. Prices move, so check current listings before you decide.

Factor in cards too. Y.M.Cinema Magazine points out that many Mark II owners already have SD cards, so moving to the Mark III may also mean buying CFexpress cards and a reader. Photography Blog expects the Mark II to remain on sale through 2026, so you are not buying a camera that is about to vanish.

Which one should you buy

Buy the R6 Mark II if

• You mostly shoot stills and 24MP covers your needs. Digital Camera World argues it is probably enough about 90% of the time for a hybrid camera.
• You want 40fps bursts and strong subject detection for the least money.
• Your video work is 4K60 or slower and you do not need internal RAW.
• You already own SD cards and LP-E6NH batteries.

The Digital Picture describes the Mark II as aimed at content creators, people moving from a DSLR and anyone wanting a general-purpose camera, including for family memories. I still own a Canon 5D Mark II and Mark III, and if you are coming from a DSLR like those, the Mark II on its own is a big step into mirrorless. Put the money you save toward glass with our best first lens guide for the R6 Mark II.

Buy the R6 Mark III if

• Video is a big part of your work and you want internal RAW, open gate or 4K at 120p.
• You shoot sports, wildlife or kids and want a pre-capture mode that saves normal files.
• You need more resolution for cropping or larger prints.
• You want dual card slots with CFexpress for a deeper buffer.

Digital Camera World calls the Mark III a horsepower camera geared toward power users. If that describes you, the extra money buys upgrades you will use every week.

For stop-motion animators

Canon USA says the camera is available with Stop Motion Animation Firmware pre-installed or installed for a fee, helping animators confirm focus and movement in every frame with compatible software. If animation is your work, that version saves you a step.

Setting up R6 Mark II autofocus and controls

If you buy the Mark II, a few settings make the biggest difference on day one. Turn on subject detection and set it to AUTO so the camera switches between people, animals and vehicles for you. For video, try Detect Only AF, which stops focusing when your tracked subject leaves the frame instead of hunting around. Our R6 Mark II autofocus guide covers focus areas and modes step by step.

Learn the switches early. The Mark II moved the power switch to the right side, and the old power switch position on the left is now a Photo/Movie toggle. Imaging Resource's testers repeatedly flicked that toggle when trying to turn the camera on. Most controls are programmable to other functions, so set the camera up around how you shoot. For a starting point, see our beginner settings for the R6 Mark II, and if your shots come back soft, check why R6 Mark II photos turn out blurry.