vsversusfinder

Canon EOS R6 Mark II Mirrorless Camera vs Sony ILCE-7M3K/B a7 III 24.

Updated July 2026 — Canon EOS R6 Mark II Mirrorless Camera wins on price and speed, Sony ILCE-7M3K/B a7 III 24. wins on weight and video.

The Canon EOS R6 Mark II offers superior autofocus and shooting speed at a lower price, making it a compelling choice for photographers. However, the Sony ILCE-7M3K/B a7 III excels in low-light performance and video capabilities.

Why Canon EOS R6 Mark II Mirrorless Camera is better

Price

Canon is $169 cheaper

Shooting Speed

Canon shoots 12 fps vs Sony's 10 fps

Autofocus

Canon has 1,053 AF points vs Sony's 693

Why Sony ILCE-7M3K/B a7 III 24. is better

Low-Light

Sony has better low-light performance

Video Specs

Sony offers 14-bit uncompressed RAW video

Dynamic Range

Sony has 15 stops vs Canon's lower range

Overall score

Canon EOS R6 Mark II Mirrorless Camera
88
Sony ILCE-7M3K/B a7 III 24.
82

Specifications

SpecCanon EOS R6 Mark II Mirrorless CameraSony ILCE-7M3K/B a7 III 24.
Sensor TypeCMOSExmor R CMOS
Megapixels24.2MP24.2MP
ISO Range100-102400ISO 50-204800
Continuous Shooting12 fps10 fps
AF Points1053693

Dimension comparison

Canon EOS R6 Mark II Mirrorless CameraSony ILCE-7M3K/B a7 III 24.

Price Comparison

The Canon EOS R6 Mark II is priced at $1,729.00, making it about 9% cheaper than the Sony ILCE-7M3K/B a7 III, which retails for $1,898.00. This price difference may be a significant factor for buyers looking for high-quality performance without exceeding their budget. The Canon's price is more competitive, especially considering its features aimed at both amateur and professional photographers.

Image Quality

Both cameras boast a 24.2 megapixel full-frame sensor, ensuring high image quality. The Canon EOS R6 Mark II features a full-frame CMOS sensor that delivers detailed images, while the Sony ILCE-7M3K/B a7 III employs a back-illuminated Exmor R CMOS sensor, which enhances low-light performance. The dynamic range for the Sony is impressive, offering 15 stops, which is slightly higher than what you might achieve with the Canon. This aspect can be particularly beneficial for users who frequently shoot in varied lighting conditions.

Autofocus Performance

Autofocus capabilities differ notably between these two models. The Canon EOS R6 Mark II utilizes Dual Pixel CMOS AF II, covering 100% of the frame with 1,053 autofocus zones. This extensive coverage allows for precise focus, especially during fast action shots. In contrast, the Sony ILCE-7M3K/B a7 III has 693 phase-detection and 425 contrast AF points, covering approximately 93% of the image area. While both systems are robust, the Canon's advanced AF system may appeal more to those who prioritize tracking moving subjects, such as wildlife or sports photography.

Shooting Speed

The Canon EOS R6 Mark II excels in shooting speed, offering high-speed continuous shooting of up to 12 frames per second with a mechanical shutter and an impressive 40 fps with an electronic shutter. This feature positions it as a strong option for capturing fast-moving subjects. The Sony ILCE-7M3K/B a7 III, on the other hand, provides a maximum continuous shooting speed of 10 fps. While still rapid, the Canon's superior shooting capabilities can be a decisive factor for action-oriented photographers.

Video Capabilities

In terms of video performance, both cameras are equipped to handle 4K recording, but the Canon EOS R6 Mark II is designed with hybrid shooters in mind, facilitating an easier transition between photo and video modes. Its advanced processing capabilities cater to filmmakers looking for high-quality video output. The Sony ILCE-7M3K/B a7 III also supports 4K video recording but is noted for its robust video specs, including 14-bit uncompressed RAW video. This slightly gives it an edge for videographers who need extensive post-production flexibility.

Build Quality and Design

The build quality and design of both cameras cater to professional use, but they have different ergonomic features. The Canon EOS R6 Mark II weighs 3.98 pounds, making it slightly heavier than the Sony ILCE-7M3K/B a7 III. While both cameras are designed for durability, the weight may influence comfort during extended shooting sessions. The Sony’s compact body enhances mobility, making it a strong contender for travel photography, while the Canon offers a solid grip that can be beneficial for stability during handheld shooting.

Lens Options

When it comes to lens options, the Canon EOS R6 Mark II is often bundled with the RF24-105mm F4-7.1 IS STM lens, providing a versatile zoom range suitable for various photography styles. The Sony ILCE-7M3K/B a7 III comes with a 28-70mm lens, which, while versatile, may feel limiting compared to the wider range offered with the Canon. This can be a crucial deciding factor for photographers who prefer a broader focal range right out of the box.

Which should you buy?

Choosing between the Canon EOS R6 Mark II and the Sony ILCE-7M3K/B a7 III ultimately depends on your specific photography needs and budget. If you prioritize advanced autofocus, superior shooting speed, and a more affordable price, the Canon EOS R6 Mark II is an excellent choice. However, if you need exceptional low-light performance and video capabilities, the Sony ILCE-7M3K/B a7 III may be the better option. Each camera has strengths that cater to different aspects of photography, making it essential to consider what features matter most to you before making a decision.