R3 has a slight edge (1/2 stop or less I think) due to the BSI sensor, vs the FSI sensor in the R5, R6, R6II, and R8, but I don't see a practical difference. Answer from telekinetic on reddit.com
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Mirrorless Comparison
mirrorlesscomparison.com › home › canon eos r6 vs r6 mark ii – the 10 main differences and full comparison
Canon EOS R6 vs R6 Mark II - The 10 Main Differences and Full Comparison - Mirrorless Comparison
May 15, 2025 - All this to say that the R6 II is a more complete camera. Canon EOS R6m2, ¹⁄₅₀ sec, ƒ / 5.6, ISO 100 RF85mm F2 MACRO IS STM · The new 24MP sensor doesn’t bring a substantial improvement when it comes to dynamic range or high ISO, ...
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Canon Rumors
canonrumors.com › blog › canon r6 mark iii high iso and dynamic range – good, but not class leading
Canon R6 Mark III ISO & Dynamic Range Performance Review - Canon Rumors
December 3, 2025 - So if Canon has improved the cooling of the camera between successive models, it could be that after prolonged use, the EOS R6 Mark III may actually deliver superior results to its EOS R6 and EOS R6 Mark II predecessors. However, in practical terms, unless you continually photograph in the upper boundaries of the ISO range or sensor dynamic range, the differences are not vast, and in practical terms and you most likely will not notice it.
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Digital Photography Review
dpreview.com › reviews › cameras › canon eos r6 mark ii
Canon EOS R6 Mark II in-depth review: DPReview | Photography News, Gear Reviews & Community
Canon EOS R6 Mark II
One minor functional improvement comes from Canon's OVF simulation mode, which debuted on the EOS R3 and provides a more SLR-like display experience. On the R6 II, this feature doesn't benefit from the higher dynamic range display found on the R3, so it's a bit less compelling. The EOS R6 II arrives in one of the most competitive parts of the market, facing off against some very capable competition. We think it rises to the challenge.
Rating: 91/100 ​
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Reddit
reddit.com › r/canon › r6 or r6 mark ii
r/canon on Reddit: R6 or R6 Mark II
June 9, 2025 -

I'm planning to upgrade from a 250D to an R6 or an R6 Mark II. I mostly shoot landscapes, but I'm also planning on shooting sports, events and more videos. Here in Italy the 1st gen R6 retails for 1400€, while the Mark II costs at least 1800€. Does the Mark II have any substantial upgrade over the Mark I that justifies the higher price? Like better ISO performance, better dynamic range, better IBIS?

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The Digital Picture
the-digital-picture.com › reviews › canon mirrorless camera reviews › canon eos r6 mark ii review
Canon EOS R6 Mark II Review
This performance compares well against the EOS R6, though the R6 II's yellow block appears a bit brighter. More is always better in terms of dynamic range (exposure latitude), but Canon's imaging sensors have long provided sufficient headroom ...
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Fstoppers
fstoppers.com › reviews › my-review-canon-eos-r6-mark-ii-it-better-first-version-622769
My Review of the Canon EOS R6 Mark II: Is It Better Than the First Version? | Fstoppers
January 6, 2023 - The EOS R6 Mark II has a slightly higher resolution, and its performance seems a little bit better. Unfortunately, the sensor is not stacked or back-side illuminated, which would have increased its performance even further.
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Photography Blog
photographyblog.com › articles › canon_eos_r6_mark_iii_vs_canon_eos_r6_mark_ii_which_is_better
Canon EOS R6 Mark III vs Canon EOS R6 Mark II - Which is Better? | Photography Blog
Other video-centric features include waveform monitor, proxies, metadata tagging, a full size HDMI port, 4 channel audio, 3/5 sec pre-recording function, 15+ dynamic range and CLog 2 and 3 profiles.
Find elsewhere
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Apotelyt
apotelyt.com › camera-specs › canon-r6-mark-ii-sensor-dr
Canon R6 Mark II: how much Dynamic Range?
The sensor in the Canon EOS R6 Mark II is estimated to provide 14.6 EV of dynamic range (DR). While no actual measurement of DR is available for the R6 Mark II, an estimate can be derived based on assessments of other cameras that have sensors ...
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Canon Rumors
canonrumors.com › blog › canon r6 mark iii dynamic range officially measured
Canon R6 Mark III Dynamic Range Officially Measured - Canon Rumors
December 16, 2025 - Even though the mechanical shutter ... the dynamic range while using the electronic shutter, with the EOS R6 Mark III showing a near full stop increase in dynamic range, even though, when I looked at dpreview's results, it showed ...
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RTINGS
rtings.com › home › camera
Canon EOS R6 vs EOS R6 Mark II: Which Camera Is Better? - RTINGS.com
February 8, 2021 - The Canon EOS R6 Mark II is the mid-cycle refresh of the Canon EOS R6. While the Mark II does offer some notable improvements and quality-of-life upgrades, they're very similarly performing cameras overall. Some of the updates include a higher-resolution sensor with a faster readout speed, an updated autofocus system, and video quality-of-life upgrades like no recording time limits, no 4k crop, and better heat management.
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Canon Community
community.usa.canon.com › t5 › Gear-Guide › Wildlife-camera-EOS-R5-vs-R6-vs-R6-Mark-II › td-p › 534016
Wildlife camera: EOS R5 vs R6 vs R6 Mark II - Canon Community
February 13, 2025 - Now, what you will hear is the R6 series larger photosites, 20 for the R6 and 24 for the R6 mark II, has better low light abilities and better dynamic range (DR), and, that is true.
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PetaPixel
petapixel.com › home › equipment › hands-on with the canon eos r6 mark ii: it’s basically a mini r3
Hands-On with the Canon EOS R6 Mark II: It's Basically a Mini R3 | PetaPixel
November 2, 2022 - Its autofocus was often unreliable, the buffer struggled with longer bursts, and its sensor wasn’t any different than the one that was in the 1DX Mark III (which means it had its limits when it comes to dynamic range). It had its strong points, but also its weaknesses. Overall, it was average. You didn’t seek out the R6, you got it out of compromise. I can say with confidence that the R6 II is not average. It does not feel like a compromise. Canon has successfully given the R6 series an identity.
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Camera Decision
cameradecision.com › compare › Canon-EOS-R6-Mark-II-vs-Canon-EOS-R6
Canon R6 II vs R6 Comparison: What is new and is it worth upgrading?
However, if you're curious about how we rated the Canon R6 II and the Canon R6, below you'll find their scores across five different aspects. Our Decision Algorithm dynamically scores cameras using 69 different specs, current price and DxO Mark scores (where possible) in order to make a more ...
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Canon Europe
canon-europe.com › professional photography & video › stories
EOS R6 Mark III vs EOS R6 Mark II vs EOS R6 - Canon Europe
"Plus, it maximises resolution, reduces cropping loss, and allows for you to try out a faster workflow." Both the EOS R6 Mark II and the EOS R6 are able to capture extended dynamic range using Canon Log.
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Reddit
reddit.com › r/canon › used r6 vs new r6 mk ii
r/canon on Reddit: Used R6 vs New R6 Mk II
May 9, 2023 -

Hello, I have been an Canon RP shooter for the last year and am considering an upgrade to either the R6 or the R6 mk ii. Reasons for upgrading would be, IBIS, longer battery life, more comfortable form factor, dual card slots, and better dynamic range. I don't currently do much video but like the idea of being able to do video in the future if I choose to. One of the reasons I am considering the original R6 is price. I've noticed that used R6's have dropped in price significantly since the introduction of the Mark II, as expected. Especially in the UK where I am currently living, Park Cameras has a used R6 for £1,559, in "Like New condition." Whereas the R6 MK II is currently retailing for £2,779. Is it worth still considering an original R6 in 2023? Am I missing something?

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Canon Community
community.usa.canon.com › t5 › EOS-DSLR-Mirrorless-Cameras › What-to-Purchase-EOS-R5-vs-R6-vs-R6-Mark-II-vs-R › td-p › 494435
What to Purchase - EOS R5 vs R6 vs R6 Mark II vs R - Canon Community
August 21, 2024 - If you don't need 45MP, then forego the R5 and get the 24MP R6II, which has at least one stop better dynamic range. Unless you are going to do very large, detailed prints, then 24MP should be fine. cheers, TREVOR The mark of good photographer ...
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Digital Photography Review
dpreview.com › forums › camera companies › canon talk › canon eos r talk
Eos R5 vs Eos R6II/R8 dynamic range: Canon EOS R Talk ...
March 31, 2023 - According photonstophotos seems dynamic range of R5 little better or same as dynamic range or R6II: DXOmark have no results for R6II but they tested R8 which have same sensor and R8 have advantage to R5 in dynamic range: What is your opinion about this? I'm deciding between R5 and R6II and...
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Apotelyt
apotelyt.com › camera-specs › canon-r6-sensor-dr
Canon R6: how much Dynamic Range?
According to measurements carried out by DXO Mark, the sensor in the Canon EOS R6 provides a maximum of 14.3 EV of dynamic range (DR). DR is defined as the ratio between the highest and lowest brightness a camera can capture.
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ThruMyLens
thrumylens.org › photography › review-of-the-canon-r6-mark-ii
Review of the Canon R6 Mark II | ThruMyLens
February 23, 2025 - Mechanical shutter performance remains at 12FPS on both the R6 and the R6 Mark II, but electronic shutter performance doubles output to a blistering 40FPS on the R6II. This is probably one of the areas where an old DSLR shooter like me has a ...