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Canon EOS R100 Mirrorless Camera with RF-S 18- vs Sony Alpha a6400 Mirrorless Camera: Compact APS-C

Updated August 2026 — Canon EOS R100 Mirrorless Camera with RF-S 18- wins on ease of use, Sony Alpha a6400 Mirrorless Camera: Compact APS-C wins on autofocus and video quality.

The Canon EOS R100 is a great entry-level camera, while the Sony Alpha a6400 offers advanced features for enthusiasts.

Why Canon EOS R100 Mirrorless Camera with RF-S 18- is better

Price

Canon is approximately 30% cheaper than Sony.

User-Friendly

Canon is designed for beginners with simplified navigation.

Included Accessories

Canon comes with a shoulder bag and 64GB card.

Why Sony Alpha a6400 Mirrorless Camera: Compact APS-C is better

Autofocus

Sony has superior Real-Time Eye Auto Focus.

Video Quality

Sony supports 4K video recording.

Lens Versatility

Sony is compatible with a wider range of E-mount lenses.

Overall score

Canon EOS R100 Mirrorless Camera with RF-S 18-
75
Sony Alpha a6400 Mirrorless Camera: Compact APS-C
85

Specifications

SpecCanon EOS R100 Mirrorless Camera with RF-S 18-Sony Alpha a6400 Mirrorless Camera: Compact APS-C
Sensor TypeAPS-C CMOSExmor RS CMOS
Max ISO2560032000
Continuous Shooting6.5 fps11 fps
Screen TypeLCDTiltable LCD
Battery Life300 shots410 shots

Dimension comparison

Canon EOS R100 Mirrorless Camera with RF-S 18-Sony Alpha a6400 Mirrorless Camera: Compact APS-C

Design and Build Quality

The Canon EOS R100 is priced at $579.00, making it approximately 30% cheaper than the Sony Alpha a6400, which retails for $835.90. The Canon offers a compact design that is beginner-friendly, ideal for those new to mirrorless photography. It includes a shoulder bag and a 64GB card, adding convenience for users starting their photography journey. In contrast, the Sony Alpha a6400 also boasts a compact design but is equipped with a larger 24-70mm lens, enhancing versatility for different shooting situations.

Both cameras are lightweight, but the Canon's additional accessories make it a more appealing option for newcomers. The R100 is designed to be user-friendly, featuring simplified menu navigation which can ease the learning curve for beginners.

Sensor and Image Quality

The Canon EOS R100 features a 24.1MP APS-C CMOS sensor, which provides vibrant and detailed images. This is a key selling point for those looking to capture high-quality photos. Conversely, the Sony Alpha a6400 has a slightly less powerful 20.1MP stacked back illuminated sensor, but it excels with its advanced image processing capabilities that support faster shooting speeds.

While the Canon is designed for general shooting, the Sony offers a unique advantage with its enhanced autofocus system, boasting 425 phase-detection and 425 contrast-detection points. This feature allows for superior tracking of subjects and ensures crisp imagery even in dynamic conditions, making it a solid choice for more advanced photography needs.

Autofocus Capabilities

Autofocus is a critical aspect of any camera, and here the Canon EOS R100 shines with its Dual Pixel CMOS AF system. It provides fast and accurate focusing across 143 AF zones, making it easy to capture sharp images of moving subjects. In comparison, the Sony Alpha a6400 carries a more advanced autofocus system that covers over 84% of the sensor and is known for its Real-Time Eye Auto Focus feature, which is particularly beneficial for portrait photography.

While both cameras cater to users who require reliable autofocus, the Sony's superior technology may appeal more to enthusiasts and professionals looking to capture fleeting moments with precision. This makes the Alpha a6400 a more advanced option, despite its higher price point.

Video Recording Features

The Canon EOS R100 supports Full HD video recording at 60p, which is suitable for most casual videographers. However, the Sony Alpha a6400 stands out with its capability to shoot 4K video. This feature enhances the a6400's appeal for creators looking to produce high-resolution content. The Canon does offer 4K recording but at a limited frame rate and with a crop factor, which may limit creative options.

For filmmakers or those interested in vlogging, the a6400's video capabilities are superior, providing more flexibility and quality in video production. This difference could sway buyers who prioritize video performance over still photography.

Lens Versatility

The Canon EOS R100 comes bundled with the RF-S 18-45mm f/4.5-6.3 IS STM lens, which is an excellent all-around lens for various shooting situations, from portraits to landscapes. Its built-in image stabilization helps reduce camera shake, making it great for handheld shooting. The Sony Alpha a6400 includes a 16-50mm lens, also a versatile option but with a slightly narrower zoom range.

Both lenses offer good quality, but the Canon's lens is particularly well-suited for travel and everyday photography. However, the Sony's compatibility with a range of E-mount lenses means that users can easily expand their lens collection as their skills and needs develop, making it a more adaptable choice in the long run.

Usability and User Experience

When it comes to usability, the Canon EOS R100 is built with beginners in mind. It features an easy-to-navigate interface that simplifies settings and shooting modes, which is essential for users unfamiliar with complex camera operations. Its lightweight design and included accessories make it a practical choice for those entering the world of photography.

On the other hand, the Sony Alpha a6400, while still user-friendly, offers advanced features that may initially overwhelm novices. However, for those willing to invest time in learning, it provides extensive customization options and a more professional shooting experience. The choice here may boil down to the user’s experience level and willingness to grow into a more complex system.

Price and Value for Money

With the Canon EOS R100 retailing for $579.00 and the Sony Alpha a6400 at $835.90, there is a significant price difference of about 30%. For beginners or casual users, the Canon offers a compelling value with its included accessories and user-friendly design. The lower price point makes it an attractive option for those not yet ready to fully commit to more expensive equipment.

However, for users seeking advanced features and superior performance, the investment in the Sony Alpha a6400 could be justified. It offers cutting-edge technology, particularly in autofocus and video capabilities, which can enhance the overall photography experience. This makes the Sony a6400 a worthwhile consideration for enthusiasts willing to pay a premium for advanced features.

Which should you buy?

In conclusion, the choice between the Canon EOS R100 and the Sony Alpha a6400 largely depends on your photography needs and experience level. The Canon EOS R100 is about 30% cheaper and is designed for beginners, offering a straightforward user experience with essential features for everyday photography. It is an excellent choice for those just starting out.

On the other hand, the Sony Alpha a6400, while more expensive, provides superior autofocus capabilities, 4K video recording, and lens versatility, making it a better fit for enthusiasts or those looking to grow their photography skills. Ultimately, if you're seeking a reliable and user-friendly camera for casual use, the Canon is the way to go; however, if you want advanced features and are willing to invest more, the Sony is the superior option.