Canon EOS R100 Mirrorless Camera RF-S18- vs Sony Alpha A6100 Mirrorless Camera with 16-
Updated August 2026 — Canon EOS R100 Mirrorless Camera RF-S18- wins on design and portability, Sony Alpha A6100 Mirrorless Camera with 16- wins on autofocus and image quality.
The Canon EOS R100 is a great entry-level camera, while the Sony Alpha A6100 offers advanced features for more experienced users.
Why Canon EOS R100 Mirrorless Camera RF-S18- is better
Price
Canon is $290 cheaper than Sony.
Portability
Canon is the smallest and lightest in its series.
User-Friendly
Canon has a straightforward interface for beginners.
Why Sony Alpha A6100 Mirrorless Camera with 16- is better
Autofocus
Sony has a faster autofocus system.
Video Features
Sony offers advanced video recording options.
Continuous Shooting
Sony supports 11 fps continuous shooting.
Overall score
Specifications
| Spec | Canon EOS R100 Mirrorless Camera RF-S18- | Sony Alpha A6100 Mirrorless Camera with 16- |
|---|---|---|
| Sensor | 24.1MP APS-C | 24.2MP APS-C |
| Processor | DIGIC 8 | BIONZ X |
| ISO Range | 100-25600 | 100-51200 |
| Continuous Shooting | 6.5 fps | 11 fps |
| Video Resolution | 4K | 4K |
Dimension comparison
Overview of the Cameras
The Canon EOS R100 is priced at $579.00, making it about 33% cheaper than the Sony Alpha A6100, which retails for $868.61. While both cameras cater to different user needs, their offerings and specifications can significantly influence your purchasing decision. Canon’s model presents itself as a compact and lightweight option, ideal for beginners, whereas Sony’s model boasts advanced autofocus capabilities and superior tracking features that may appeal to more experienced photographers.
Image Quality and Performance
When it comes to image quality, both the Canon EOS R100 and the Sony Alpha A6100 are equipped with 24-megapixel APS-C sensors, providing excellent resolution for detailed images. The Canon model utilizes a DIGIC 8 image processor, enhancing its shooting functionality and supporting 4K video recording. In contrast, the Sony Alpha A6100 features a BIONZ X processor, which aids in faster processing speeds and overall image quality enhancements. While both cameras excel in capturing high-quality images, the processing technologies differ, potentially influencing the speed and performance of each camera in various shooting scenarios.
Autofocus Capabilities
The autofocus systems of these two cameras set them apart. The Canon EOS R100 features a Dual Pixel CMOS AF system with 143 focus zones and the ability to detect human faces and eyes, making it user-friendly for those new to photography. On the other hand, the Sony Alpha A6100 boasts an impressive real-time autofocus system that operates at 0.02 seconds, with 425 phase-detection and 425 contrast-detection points covering over 84% of the sensor area. This makes the Sony significantly faster and more reliable for fast-moving subjects, which can be a deciding factor for action or wildlife photographers.
Video Capabilities
Video recording is another area where these cameras exhibit differences. The Canon EOS R100 can capture 4K video at 24 fps and Full HD at 60 fps, which is commendable for casual videography. However, the Sony Alpha A6100 offers features like movie recording with a microphone input and a 180-degree tiltable touchscreen LCD for vlogging and creative filming angles. The continuous shooting capabilities of the A6100, at 11 fps with autofocus and exposure tracking, further enhance its appeal for video creators. If video is a significant factor in your decision, the Sony may provide more versatility.
Design and Portability
In terms of design, the Canon EOS R100 is the smallest and lightest in the EOS R series, making it exceptionally portable and easy to carry around. This compact design is particularly beneficial for travelers and those who prefer a lightweight camera. Conversely, the Sony Alpha A6100, while still reasonably compact, has a slightly bulkier design due to its more advanced features. The choice here will depend on your priorities—whether you value portability or are willing to accept a bit more weight for enhanced functionality.
User Experience and Interface
Both cameras aim to enhance user experience but do so in different ways. The Canon EOS R100's straightforward interface is designed for beginners, making it easier to navigate settings without overwhelming the user. Its autofocus and shooting modes are intuitive for those just starting in photography. The Sony Alpha A6100, with its more advanced features, requires a bit more familiarity with camera settings but rewards users with greater control over their photography. The choice here will depend on your level of expertise and how comfortable you are with more complex camera controls.
Price and Value Proposition
The Canon EOS R100’s price of $579.00 offers great value, especially for those entering the world of mirrorless cameras. This model provides excellent features for the cost, appealing to budget-conscious buyers. In contrast, the Sony Alpha A6100, priced at $868.61, is targeted toward those willing to invest more for advanced features like superior autofocus and enhanced video capabilities. The approximately $290 price difference (about 33%) reflects the additional technology and capabilities offered by the Sony, making it a more premium choice.
Which should you buy?
Ultimately, your decision between the Canon EOS R100 and the Sony Alpha A6100 hinges on your specific needs as a photographer. If you are a beginner seeking a lightweight, user-friendly camera that captures high-quality images and videos at a lower price point, the Canon EOS R100 is an excellent choice. However, if you are an experienced photographer or videographer looking for advanced autofocus capabilities and enhanced features for action shots and video recording, the Sony Alpha A6100 justifies its higher price with superior technology. Consider your budget, photography style, and the features that matter most to you when making your choice.

