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Canon EOS R100 Mirrorless Camera with RF-S18- vs Sony Alpha A6100 Mirrorless Camera with 16-

Updated August 2026 — Canon EOS R100 Mirrorless Camera with RF-S18- wins on weight and size, Sony Alpha A6100 Mirrorless Camera with 16- wins on price and shooting speed.

The Canon EOS R100 is a budget-friendly option with excellent portability, while the Sony Alpha A6100 excels in autofocus and continuous shooting speed.

Why Canon EOS R100 Mirrorless Camera with RF-S18- is better

Price

Canon is about 33% cheaper than Sony.

Portability

Canon is the smallest and lightest in its series.

Included Accessories

Canon includes a shoulder bag and memory card.

Why Sony Alpha A6100 Mirrorless Camera with 16- is better

Autofocus

Sony has the world's fastest autofocus at 0.02 seconds.

Continuous Shooting

Sony shoots up to 11 fps compared to Canon's 6.5 fps.

ISO Range

Sony offers a superior ISO range up to 51,200.

Overall score

Canon EOS R100 Mirrorless Camera with RF-S18-
75
Sony Alpha A6100 Mirrorless Camera with 16-
85

Specifications

SpecCanon EOS R100 Mirrorless Camera with RF-S18-Sony Alpha A6100 Mirrorless Camera with 16-
Megapixels24.1MP24.2MP
ISO Range100-25,600100-51,200
Continuous Shooting6.5 fps11 fps
Video Resolution4K4K
Autofocus Points143850

Dimension comparison

Canon EOS R100 Mirrorless Camera with RF-S18-Sony Alpha A6100 Mirrorless Camera with 16-

Overview of the Canon EOS R100 and Sony Alpha A6100

The Canon EOS R100 is significantly cheaper than the Sony Alpha A6100, priced at $579.00 compared to $868.61, making it about 33% less expensive. This price difference may appeal to entry-level photographers who are looking for a capable mirrorless camera without breaking the bank. Both cameras offer impressive features, but they cater to different user needs and preferences.

Image Quality and Sensor Performance

Both the Canon EOS R100 and Sony Alpha A6100 feature high-quality APS-C sensors, with the Canon model sporting a 24.1 megapixel CMOS sensor and the Sony offering a slightly higher 24.2 megapixel Exmor sensor. While the difference in megapixels is minimal, the Sony camera has a superior ISO range of up to 51,200, which can provide better low-light performance. The Canon's DIGIC 8 image processor enhances its shooting capabilities, particularly in 4K video, making it a strong contender for video recording.

Autofocus Capabilities

When it comes to autofocus, the Sony Alpha A6100 takes the lead with its world’s fastest autofocus at just 0.02 seconds, along with real-time tracking for both humans and animals. It features 425-phase and 425-contrast detection AF points, covering over 84% of the sensor. In comparison, the Canon EOS R100 offers a solid Dual Pixel CMOS AF with 143 zones, including face and eye detection. While both systems are effective, the A6100's advanced autofocus technology makes it more suitable for fast-paced photography.

Continuous Shooting and Video Recording

The continuous shooting capabilities of the two cameras highlight their different strengths. The Sony Alpha A6100 can shoot up to 11 frames per second, which is beneficial for capturing fast-moving subjects. The Canon EOS R100, on the other hand, offers continuous shooting at 6.5 frames per second, which, while decent, may not satisfy those looking for high-speed action shots. Both cameras support 4K video recording; however, the Canon's functionality may feel more tailored for video enthusiasts, while the Sony excels in overall performance.

Design and Portability

In terms of design, the Canon EOS R100 is marketed as the smallest and lightest camera in the EOS R series, making it an excellent choice for mobility. Its compact design makes it easier to carry around, especially for travel photography. The Sony Alpha A6100, while still portable, is slightly bulkier but offers a 180-degree tiltable touchscreen LCD, adding versatility for vlogging and selfies. Users who prioritize a lightweight camera might prefer the EOS R100, while those who value functionality may lean towards the A6100.

Included Accessories and Value

The Canon EOS R100 comes bundled with a Canon EOS 200ES shoulder bag and a 64GB Lexar UHS-I SD memory card, adding significant value to the purchase. This kit is particularly appealing for beginners who need essential accessories to start their photography journey. In contrast, the Sony Alpha A6100 includes a lithium battery, AC charger, USB cable, and strap but does not come with additional storage options. The extra accessories provided with the Canon can make it more attractive for new users.

Sales Rank and Popularity

The Canon EOS R100 has a sales rank of 31,530, while the Sony Alpha A6100 has a slightly lower sales rank of 39,214. This ranking indicates that the Canon model is currently more popular among consumers, which could reflect its value proposition and effective marketing. However, popularity does not always equate to superior performance, as personal preference and specific user needs play a significant role in choosing the right camera.

Which should you buy?

Choosing between the Canon EOS R100 and the Sony Alpha A6100 largely depends on your specific needs and budget. The Canon EOS R100 is about 33% cheaper and offers a compact design with excellent 4K video capabilities, making it a great option for beginners or those who prioritize portability. Conversely, the Sony Alpha A6100 excels in autofocus performance and continuous shooting speed, making it more suitable for fast-action photography and versatile shooting scenarios. Ultimately, if you're looking for a budget-friendly entry into mirrorless photography, the Canon might be your best bet, while the Sony is a powerful choice for those serious about their photographic craft.