Canon EOS R100 Mirrorless Camera with RF-S 18- vs Canon EOS R6 Mark III Body
Updated August 2026 — Canon EOS R100 Mirrorless Camera with RF-S 18- wins on portability and ease of use, Canon EOS R6 Mark III Body wins on battery life and build quality.
The Canon EOS R100 is an excellent choice for beginners, while the Canon EOS R6 Mark III offers advanced features for professionals. Choose based on your experience level and needs.
Why Canon EOS R100 Mirrorless Camera with RF-S 18- is better
Price
R100 is significantly cheaper at $579.
Portability
R100 is lighter and more compact.
Beginner-friendly
R100 has user-friendly features for novices.
Why Canon EOS R6 Mark III Body is better
Image Quality
R6 Mark III has a superior 32.5MP full-frame sensor.
Video Capabilities
R6 Mark III supports 4K video at 120 fps.
Autofocus Speed
R6 Mark III offers faster shooting at 40 fps.
Overall score
Specifications
| Spec | Canon EOS R100 Mirrorless Camera with RF-S 18- | Canon EOS R6 Mark III Body |
|---|---|---|
| Sensor | 24.1MP APS-C | 32.5MP Full-Frame |
| Processor | DIGIC 8 | DIGIC X |
| Video | Full HD | 4K 120p |
| Autofocus | Dual Pixel AF | Dual Pixel AF II |
| Continuous Shooting | 6.5 fps | 40 fps |
Dimension comparison
Overview of the Canon EOS R100 and Canon EOS R6 Mark III
The Canon EOS R100 is priced at $579.00, making it a beginner-friendly option, while the Canon EOS R6 Mark III is a premium model retailing for $2,799.00. This significant price difference reflects the varying target audiences of these two cameras, with the R100 aimed at novices and the R6 Mark III designed for advanced photographers and enthusiasts.
The R100 features a 24.1MP APS-C CMOS sensor and is designed for everyday shooting, making it ideal for first-time users. In contrast, the R6 Mark III boasts a 32.5MP full-frame sensor and advanced features, catering to professionals who require high-performance capabilities. The price gap of about 384% highlights their differing functionalities and intended user bases.
Image Quality Comparison
The Canon EOS R100 delivers impressive image quality with its 24.1MP APS-C sensor, producing vibrant and detailed images suitable for casual photography. Its DIGIC 8 image processor enhances image processing speed and quality, ensuring satisfying results for beginners.
On the other hand, the Canon EOS R6 Mark III stands out with its 32.5MP full-frame CMOS sensor, which captures more detail and provides superior image quality, particularly in low-light conditions. This camera is equipped with the DIGIC X image processor, enabling higher performance in terms of speed and color accuracy. The R6 Mark III is tailored for capturing stunning images in various challenging environments, making it the go-to choice for serious photographers.
Autofocus and Speed
When it comes to autofocus capabilities, the Canon EOS R100 employs Dual Pixel CMOS AF, which allows for fast and accurate focusing across 143 AF zones. This feature is particularly beneficial for beginners who may struggle with manual focus, as it simplifies the process of capturing sharp images.
In contrast, the Canon EOS R6 Mark III features Dual Pixel CMOS AF II, which includes advanced detection modes for people, animals, and vehicles. It offers the ability to shoot at up to 40 frames per second, significantly outpacing the R100. This high-speed shooting capability makes the R6 Mark III well-suited for capturing fast-moving subjects, such as sports events or wildlife, providing an edge in dynamic shooting situations.
Video Capabilities
The Canon EOS R100 supports Full HD video recording, which is adequate for casual videography and vlogs. Its capabilities are suitable for beginners looking to document their experiences without needing professional-level video features.
Conversely, the Canon EOS R6 Mark III excels in video recording, offering 4K video support at 120 frames per second and 7K RAW recording options. These features provide filmmakers with unmatched flexibility and quality, allowing for high-resolution video production and advanced post-production capabilities. The R6 Mark III is designed for those who demand the best in video technology, effectively serving both photographers and videographers.
Design and Portability
The Canon EOS R100 is a compact mirrorless camera, designed with beginners in mind. Its lightweight build and included accessories, such as a shoulder bag and 64GB card, make it easy to carry and use for everyday photography.
In contrast, while the Canon EOS R6 Mark III is also a mirrorless camera, its design prioritizes advanced features over portability. It includes dual card slots for extensive storage and improved workflow, which is critical for professional use. However, it does weigh more and may be bulkier compared to the R100, potentially making it less convenient for casual use.
Target Audience
The Canon EOS R100 is specifically targeted at beginner photographers who want a straightforward entry into mirrorless photography. Its user-friendly features and supportive accessories make it an excellent choice for those just starting their photography journey.
Meanwhile, the Canon EOS R6 Mark III is aimed at professional photographers and serious enthusiasts who require advanced capabilities and superior performance. Its features cater to a more experienced audience that demands high-quality results and versatility in various shooting conditions.
Price and Value Proposition
At $579.00, the Canon EOS R100 presents a compelling value for beginners who want to explore photography without a hefty investment. Its features are well-suited for casual use, making it an attractive option for those who may not be ready for more sophisticated equipment.
In stark contrast, the Canon EOS R6 Mark III, priced at $2,799.00, offers professional-grade capabilities and advanced technology that justifies its premium price. For those who need high-performance equipment and are willing to invest in serious photography, the R6 Mark III proves to be a worthwhile investment, offering a significant upgrade in functionality and quality.
Which should you buy?
Choosing between the Canon EOS R100 and the Canon EOS R6 Mark III ultimately depends on your photography needs and experience level. If you are a beginner looking for an accessible and affordable entry into mirrorless photography, the R100's price of $579.00 and its user-friendly features make it an excellent choice. However, if you are a professional or serious enthusiast seeking advanced capabilities and superior image quality, the R6 Mark III at $2,799.00 offers unmatched performance and versatility. Your decision should align with your photography goals, budget, and level of expertise.

