Verdict
Head-to-head · Best Full-Frame Mirrorless Cameras

Canon EOS R5 Mark II vs Panasonic Lumix S1R II

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

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The short answer

Canon EOS R5 Mark II comes out ahead by a clear margin (4.8 vs 4.4). The gap is mostly about all-around professionals who want flagship 45MP stills and 8K RAW video in one body — read the strengths below before deciding.

Canon EOS R5 Mark II
Higher ratedRanked #1 in Best Full-Frame Mirrorless Cameras
Canon EOS R5 Mark II
3 sources$4,099as of Aug 1

The Canon EOS R5 Mark II is the strongest all-rounder here: a 45MP stacked sensor, 30fps electronic-shutter bursts, 8K RAW video and Eye Control AF in a 746 g body. TechRadar and Photography Blog both gave it a perfect 5 out of 5, and Tom's Guide 4.5 out of 5. It fixes the original R5's overheating reputation and adds subject tracking that holds where the older camera slipped. The reasons to look elsewhere are the price, the switch to LP-E6P batteries that strands an existing set, and the Nikon Z8 doing much of the same work for less.

Strengths
  • 45MP stacked BSI CMOS sensor with minimal rolling shutter
  • Blackout-free bursts at up to 30fps with the electronic shutter
  • 8K RAW recorded internally, with far better thermal behaviour than the original R5
Watch-outs
  • Costs $4,099 for the body, a clear premium over the Nikon Z8
  • Requires LP-E6P batteries; older LP-E6NH cells trigger a warning and reduced function
  • CFexpress Type B media is effectively mandatory for 8K RAW and the fastest bursts
Panasonic Lumix S1R II
Ranked #4 in Best Full-Frame Mirrorless Cameras
Panasonic Lumix S1R II
4 sources$4,499.95as of Aug 1

The Panasonic Lumix S1R II is the value flagship here. PhotographyBlog gave it 5/5 and TechRadar 4.5/5, while PCMag was more reserved at 3.5/5, citing the AF gap. You get 44 MP, 8.1K ProRes RAW, and pro video features for roughly $1,000 less than the Canon R5 II or Nikon Z8. The L-mount lens ecosystem and slightly trailing AF are the reasons to pay up for Nikon or Canon if the budget allows.

Strengths
  • 44 MP partially-stacked BSI sensor — surprisingly close to stacked performance at a lower price than the Nikon Z8 or Canon R5 II
  • 8.1K/30p Apple ProRes RAW internal + V-Log for pro video colorists — video-first flagship among this list
  • In-body stabilization rated to 8 stops; Dual IS 2 with compatible lenses hits ~9.5
Watch-outs
  • L-mount lens ecosystem is smaller than Sony E, Canon RF, or Nikon Z — fewer native lens options, especially primes
  • Battery life trails competitors at 350 shots CIPA
  • PCMag's 3.5/5 score reflects softer consensus — some reviewers feel the AF still trails the big three even with phase detect

How they stack up

Canon EOS R5 Mark II

Best all-rounder: highest editorial rating, with the strongest balance of 45MP stills, 8K RAW video, and AF. Pricier than the Z8.

Panasonic Lumix S1R II

44MP with class-leading video specs at the lowest entry of the high-res group; smaller lens ecosystem than Canon/Sony/Nikon.

Specs side-by-side

SpecCanon EOS R5 Mark IIPanasonic Lumix S1R II
Sensor45MP Stacked BSI CMOS44MP BSI CMOS
ISO100–51200 (exp. 50–102400)80–51200
Video8K/30p RAW, 4K/120p8K/30p, 5.8K/30p ProRes RAW
StabilizationIBIS, up to 8.5 stopsIBIS, up to 8 stops
Weight746 g795 g
StorageCFexpress Type B + SD UHS-IICFexpress Type B + SD UHS-II
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