vsversusfinder

Canon EOS R100 Mirrorless Camera RF-S18- vs Sony a7 IV Mirrorless Digital Camera

Updated August 2026 — Canon EOS R100 Mirrorless Camera RF-S18- wins on value and ease of use, Sony a7 IV Mirrorless Digital Camera wins on weight and size.

The Canon EOS R100 is an excellent entry-level camera, while the Sony a7 IV offers advanced features for serious photographers.

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

Price

Canon is significantly cheaper at $579.

Portability

Canon is the smallest and lightest in its series.

User-friendly

Canon is designed for beginners.

Why Sony a7 IV Mirrorless Digital Camera is better

Image Quality

Sony has a higher 33MP full-frame sensor.

Video Performance

Sony records 4K at 60 fps.

Autofocus

Sony features a 759-point AF system.

Overall score

Canon EOS R100 Mirrorless Camera RF-S18-
75
Sony a7 IV Mirrorless Digital Camera
90

Specifications

SpecCanon EOS R100 Mirrorless Camera RF-S18-Sony a7 IV Mirrorless Digital Camera
Sensor24.1MP APS-C33MP Full-Frame
Video4K at 24 fps4K at 60 fps
Autofocus143 points759 points
Continuous Shooting6.5 fps10 fps
Price$579$2278

Dimension comparison

Canon EOS R100 Mirrorless Camera RF-S18-Sony a7 IV Mirrorless Digital Camera

Overview

The Canon EOS R100 Mirrorless Camera and the Sony a7 IV Mirrorless Digital Camera are both strong contenders in the mirrorless camera category. The Canon EOS R100, priced at $579.00, offers great value for entry-level photographers, while the Sony a7 IV comes in at $2,278.00, targeting more advanced users. The price difference is significant, with the Sony camera being approximately 294% more expensive than the Canon model.

Image Quality

When it comes to image quality, the Sony a7 IV takes the lead with its 33MP Full-Frame Exmor R CMOS sensor. This sensor provides exceptional clarity and low noise, especially in low-light conditions. In contrast, the Canon EOS R100 features a 24.1 Megapixel CMOS (APS-C) sensor, which still delivers stellar image quality but may not match the performance of the Sony in challenging lighting scenarios. The Canon's sensor is designed for a natural bokeh effect, which is appealing for portrait photography, but the Sony’s higher resolution offers more flexibility for cropping and larger prints.

Video Capabilities

Both cameras excel in video recording, but they cater to different needs. The Canon EOS R100 can record 4K video at up to 24 fps, making it a suitable choice for casual videographers. It also supports Full HD video at 60 fps, which is beneficial for smooth playback. On the other hand, the Sony a7 IV shines with its ability to record 4K video at 60 fps in 10-bit, providing filmmakers with higher color depth and detail. The a7 IV’s advanced video features make it more appealing for those serious about video production.

Autofocus Performance

The autofocus systems in both cameras are impressive but serve varying user needs. The Canon EOS R100 boasts Dual Pixel CMOS AF with 143 zones, including human face and eye detection, providing reliable performance for stills and video. Its continuous capture rate of up to 6.5 shots per second is also noteworthy for action shots. In comparison, the Sony a7 IV features a more advanced 759-point Fast Hybrid AF system with real-time eye tracking, which is particularly beneficial for portrait and wildlife photography, ensuring sharp focus on moving subjects.

Design and Usability

The Canon EOS R100 is designed with compactness in mind, being the smallest and lightest in the EOS R series. This makes it highly portable, ideal for travel and everyday use. In contrast, the Sony a7 IV, while not excessively bulky, is larger and heavier due to its full-frame sensor and advanced features. The Sony camera also includes a vari-angle touchscreen LCD, which enhances usability for vlogging and creative shooting angles, while the Canon’s design is straightforward, catering to beginners looking for ease of use.

Accessories and Bundles

The Sony a7 IV comes as part of a deluxe bundle that includes a range of accessories such as a 128GB memory card, additional lenses, a tripod, filters, and editing software. This extensive package provides a comprehensive setup for new users, making it a compelling choice for those looking to jump straight into photography. The Canon EOS R100, while it includes the RF-S18-45mm lens, does not offer such an extensive accessory bundle, appealing more to those who prefer to purchase additional items separately or are investing in their first camera.

Price and Value

There is a stark contrast in pricing between the two models. The Canon EOS R100 is currently priced at $579.00, making it an attractive entry point for those new to mirrorless cameras. In comparison, the Sony a7 IV's price of $2,278.00 represents a significant investment, aimed at serious photographers and videographers. This means the Canon is about 74% cheaper than the Sony, making it a more budget-friendly option without sacrificing essential features important for beginners.

Which should you buy?

Choosing between the Canon EOS R100 and the Sony a7 IV ultimately depends on your photography needs and budget. If you are an entry-level photographer looking for a compact, lightweight camera with excellent image quality and user-friendly features, the Canon EOS R100 is a fantastic choice at $579.00. However, if you are a more experienced user seeking advanced capabilities, particularly in video and autofocus performance, the Sony a7 IV offers superior quality and a comprehensive bundle, albeit at a much higher price of $2,278.00. Consider your experience level and intended use to determine which camera best suits your needs.