Canon EOS R6 Mark III Mirrorless Camera with Extra vs Sony Alpha 6700 APS-C Interchangeable Lens Hybrid Camera
Updated August 2026 — Canon EOS R6 Mark III Mirrorless Camera with Extra leads on stabilization and battery life.
The Canon EOS R6 Mark III offers superior image quality and advanced features, while the Sony Alpha 6700 is more affordable with strong video capabilities.
Why Canon EOS R6 Mark III Mirrorless Camera with Extra is better
Image Quality
32.5MP full-frame sensor vs 26.0MP APS-C sensor
Shooting Speed
40 fps vs lower frame rate
Autofocus
Advanced subject detection with Dual Pixel AF II
Why Sony Alpha 6700 APS-C Interchangeable Lens Hybrid Camera is better
Price
$1,498 vs $2,799
Video Capabilities
4K 120p recording vs Canon's unspecified video features
Portability
Compact design for travel vs heavier build
Overall score
Specifications
| Spec | Canon EOS R6 Mark III Mirrorless Camera with Extra | Sony Alpha 6700 APS-C Interchangeable Lens Hybrid Camera |
|---|---|---|
| Sensor | 32.5MP Full-frame | 26.0MP APS-C |
| Processor | DIGIC X | BIONZ XR |
| Max FPS | 40 fps | High frame rate |
| Video Recording | 4K capabilities | 4K/120p |
| Card Slots | Dual slots | Single slot |
Dimension comparison
Price Comparison
The Canon EOS R6 Mark III is priced at $2,799.00, while the Sony Alpha 6700 comes in significantly lower at $1,498.00. This makes the Sony approximately 46.5% cheaper than the Canon. The price difference could be a decisive factor for photographers and videographers on a budget. The Canon camera, however, offers more advanced features, which may justify its higher price for some users. For those who prioritize cost over capabilities, the Sony Alpha 6700 presents a compelling option without compromising essential performance.
Image Quality
When it comes to image quality, the Canon EOS R6 Mark III features a 32.5MP full-frame CMOS sensor, while the Sony Alpha 6700 has a 26.0MP APS-C format sensor. The larger sensor size in the Canon usually results in better low-light performance and greater depth of field control. Additionally, the Canon utilizes the DIGIC X Image Processor, which is known for its exceptional processing speed and image quality. Although the Sony’s BIONZ XR processor also delivers high-quality images and performs well, the Canon’s full-frame setup may appeal to professionals seeking the highest quality in various shooting conditions.
Autofocus Capabilities
Both cameras excel in autofocus technology, but they employ different methods. The Canon EOS R6 Mark III features Dual Pixel CMOS AF II with advanced subject detection for people, animals, and vehicles, along with a unique Register People Priority function. This makes it particularly effective for portrait and action photography. On the other hand, the Sony Alpha 6700 boasts a dedicated AI processor that enhances real-time recognition and subject tracking, providing precise focus during dynamic shooting scenarios. For users who often work in fast-paced environments, the autofocus capabilities of both cameras are impressive, with each offering distinct advantages based on user preferences.
Shooting Speed
In terms of shooting speed, the Canon EOS R6 Mark III can achieve up to 40 frames per second, providing an excellent option for capturing fast-moving subjects. This feature, combined with its 20 frames of pre-continuous shooting, is ideal for sports and wildlife photography. The Sony Alpha 6700 supports high frame rate video recording, boasting 4K 120p capabilities, which is fantastic for filmmakers looking to create smooth slow-motion footage. While the R6 Mark III outpaces the Sony in still photography speed, the latter offers versatility in video applications, making each camera suited to different shooting styles.
Build and Design
The Canon EOS R6 Mark III includes dual card slots, accommodating both CFexpress Type B and UHS II SD cards, which is beneficial for photographers needing high-speed storage options. The additional included accessories, such as the extra LP-E6P battery, enhance its usability for extended shoots. The Sony Alpha 6700, being a compact APS-C body, is designed for portability, making it a great choice for travel and street photography. Although the build quality of both cameras is robust, the design choices cater to different user needs—Canon for high-end performance with added accessories, and Sony for a lightweight, travel-friendly option.
Video Capabilities
For videographers, the Sony Alpha 6700 offers advanced features like 4K/60p and high frame rate 4K 120p recording, making it an excellent choice for those focused on video production. The camera also supports 6K oversampled recording with 10-bit depth, allowing for more dynamic color grading in post-production. The Canon EOS R6 Mark III, while not explicitly detailed in its video capabilities, is known for its strong video performance, including 4K capabilities. However, Sony’s emphasis on video features gives it a clear advantage for users who prioritize video work in their projects.
Battery Life
The Canon EOS R6 Mark III comes with an extra Canon LP-E6P battery, which is a significant advantage for extended shooting sessions. While specific battery life values are not provided, having an additional battery ensures longer operational time, especially beneficial for events like weddings or long shoots. The Sony Alpha 6700’s battery performance is more compact but may require more frequent changes during extended usage. For photographers who often shoot for hours on end, the Canon’s additional battery support could prove invaluable.
Which should you buy?
Choosing between the Canon EOS R6 Mark III and the Sony Alpha 6700 ultimately depends on your specific needs and budget. If you’re seeking superior image quality, advanced autofocus, and rapid shooting capabilities, the Canon’s features justify its higher price tag. However, if affordability and video capabilities are your primary concerns, the Sony Alpha 6700 offers excellent value with its lower price point and strong video performance. Evaluate your priorities—whether they lean towards still photography or a balanced approach to both video and images—before making a decision.

