Camera faceoff

Canon EOS R5 vs a7S III

Canon · Sony

Specs at a glance

Spec

Summary

For filmmakers prioritizing ultimate resolution and detailed stills, the Canon EOS R5 is the clear choice, offering internal 8K RAW video and a 45MP sensor. However, for demanding video productions where low light performance, extended recording times, and robust 4K codecs are paramount, the Sony a7S III with its 12.1MP sensor and 15 stops of dynamic range is the superior workhorse.

Which would you pick?

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Highlights

Canon EOS R5

Resolution & Detail: 45MP Full-Frame CMOS sensor captures immense detail for both stills and video.
Internal RAW Video: Records stunning 8K (8192x4320) RAW video internally, offering maximum post-production flexibility.
Autofocus System: Advanced Dual Pixel CMOS AF II with 1053 phase-detect points provides incredibly fast and precise subject tracking.
High Frame Rate 4K: Achieves 120fps at 4K DCI, allowing for impressive slow-motion sequences.

a7S III

Low Light Performance: 12.1MP Full-Frame sensor delivers exceptional image quality up to ISO 409600 with minimal noise.
Dynamic Range: Boasts 15 stops of dynamic range, preserving detail in extreme highlights and shadows.
Robust Internal Codecs: Records high-quality 4K UHD video internally with XAVC S-I 10-bit 4:2:2, ideal for grading.
Reliable Video Workflow: Features a full-size HDMI port and superior thermal management for extended 4K recording without issues.

The trade-off

Choosing the Canon EOS R5 means sacrificing superior low-light performance and the a7S III's robust 4K internal codecs for extended takes. Choosing the Sony a7S III means giving up the R5's immense 45MP resolution and internal 8K RAW recording capabilities.