Sony A7 IV vs Canon EOS R6 Mark II: Which Is Better? (2026)

The Canon EOS R6 Mark II and Sony A7 IV are the two most-compared full-frame mirrorless cameras in the $2,500 range — both are hybrid stills/video cameras targeting enthusiast and professional photographers who shoot events, portraits, wildlife, and video. They are similar in price and versatility but differ meaningfully in resolution, video capabilities, and autofocus philosophy.

Canon EOS R6 Mark II: Released in November 2022 and updated in firmware through 2024-2026, the R6 Mark II features a 24.2MP full-frame BSI CMOS sensor, 40fps electronic shutter burst shooting (12fps with mechanical shutter), and an AF system that builds on Canon's Dual Pixel CMOS AF II with deep learning subject tracking. Canon's animal and bird AF — eye, face, and body detection for humans, animals, birds, and vehicles — is widely considered among the best in the industry for action and wildlife. IBIS is rated at 8 stops of stabilization (with IS-enabled lenses). Video: 4K up to 60p (no crop for most modes), oversampled from 6K, C-Log 3, HDR PQ, and uncropped FHD at up to 180fps for slow motion. Dual CFexpress/SD card slots. The R6 Mark II runs Canon's RF mount ecosystem — fast, large-diameter, close-flange-distance — with growing native lens selection and Canon's first-party 50mm F/1.8, 85mm F/2, 100-500mm, 100-300mm, and R5C video body as upgrade paths. The R6 Mark II body costs approximately $2,499 and has become the standard recommendation for professional event and sports photographers who don't need extremely high resolution.

Sony A7 IV: Released in December 2021 and a mainstay of Sony's lineup through 2026, the A7 IV features a 33MP full-frame BSI Exmor R CMOS sensor — 37% more resolution than the R6 Mark II, making it better for cropping, printing large, and shooting fine detail. 10fps burst (mechanical), 6.5-stop IBIS. Sony's Real-Time Tracking AF with subject recognition (human, animal, bird, insect, car, train, airplane) is also industry-leading and slightly better at fast-moving subject lock-on in some testing conditions. Video: 4K 60p available but with a crop (only 4K 30p is uncropped); Sony's implementation has been a criticism point. 12-bit RAW video over HDMI. 4:2:2 10-bit internally. S-Log2/S-Log3 for professional color grading. Dual SD card slots (CFexpress Type A or SD in slot 1). The Sony A7 IV body costs approximately $2,498 and anchors Sony's FE mount ecosystem — the most mature full-frame mirrorless ecosystem by native lens count, with first-party primes, zooms, and G Master lenses widely available.