vsversusfinder

Canon EOS R100 Mirrorless Camera w/RF-S 18- vs Sony a7 IV Mirrorless Digital Camera

Updated July 2026 — Sony a7 IV Mirrorless Digital Camera leads on price and battery.

The Canon EOS R100 is a budget-friendly option for beginners, while the Sony a7 IV offers advanced features for professionals. Choose based on your needs and budget.

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

Price

Canon is significantly cheaper at $599.

Weight

Canon is lighter and more portable.

Beginner-friendly

Canon includes a comprehensive beginner's kit.

Why Sony a7 IV Mirrorless Digital Camera is better

Image Quality

Sony has a higher 33MP full-frame sensor.

Video Performance

Sony supports 4K at 60fps.

Autofocus

Sony features advanced autofocus with 759 points.

Overall score

Canon EOS R100 Mirrorless Camera w/RF-S 18-
75
Sony a7 IV Mirrorless Digital Camera
90

Specifications

SpecCanon EOS R100 Mirrorless Camera w/RF-S 18-Sony a7 IV Mirrorless Digital Camera
Sensor TypeAPS-C CMOSFull-Frame CMOS
Max ISO2560051200
Video Resolution4K 24p4K 60p
Autofocus Points143759
Continuous Shooting6.5 fps10 fps

Dimension comparison

Canon EOS R100 Mirrorless Camera w/RF-S 18-Sony a7 IV Mirrorless Digital Camera

Overview of the Canon EOS R100 and Sony a7 IV

The Canon EOS R100 is priced at $599.00, making it about 74% cheaper than the Sony a7 IV, which costs $2,278.00. This significant price difference reflects the varying target audiences and capabilities of these two mirrorless cameras. While the Canon offers a more budget-friendly entry into mirrorless photography, the Sony boasts advanced features suitable for both photography and videography enthusiasts.

Design and Build Quality

In terms of design, the Canon EOS R100 is compact and lightweight, making it an excellent choice for casual photographers and beginners. Weighing less than some DSLR models, it is easy to carry around for extended periods. In contrast, the Sony a7 IV, while still portable, has a more robust build quality that caters to professional users. The a7 IV features a weather-sealed body designed for durability in various shooting conditions, enhancing its appeal to serious photographers.

Image Quality

The Canon EOS R100 features a 24.2MP APS-C CMOS sensor, which provides good image quality for its price range. This sensor, combined with Canon's DIGIC 8 image processor, delivers vibrant colors and decent low-light performance. On the other hand, the Sony a7 IV is equipped with a 33MP full-frame Exmor R CMOS sensor, which not only captures more detail but also performs exceptionally well in low-light situations. The higher megapixel count of the Sony allows for greater cropping versatility without sacrificing image quality.

Video Capabilities

When it comes to video capabilities, the Canon EOS R100 supports 4K video recording at 24 frames per second, which is suitable for most casual video projects. However, the Sony a7 IV takes video performance to the next level with 4K recording at up to 60 frames per second, offering higher frame rates and better overall video quality. This makes the a7 IV a superior choice for videographers who require advanced features like S-Cinetone and 10-bit video recording for post-production flexibility.

Autofocus Performance

Autofocus performance is a critical aspect for both stills and videos. The Canon EOS R100 features Dual Pixel CMOS AF with 143 AF zones, providing reliable and quick focusing for both photography and videography. Meanwhile, the Sony a7 IV boasts a more advanced autofocus system with 759 phase-detection points and real-time Eye AF, making it particularly effective for capturing fast-moving subjects. This superior autofocus capability is a significant advantage for users focused on action photography or videography.

Battery Life

Battery life is an important consideration for photographers and videographers alike. The Canon EOS R100, with its efficient design, provides a decent battery life for a mirrorless camera, allowing for extended shooting sessions without frequent interruptions. The Sony a7 IV, equipped with a larger NP-FZ100 battery, offers a notably longer battery life, making it more suitable for all-day shoots, particularly in professional settings where changing batteries frequently can be inconvenient.

Accessories and Bundles

Both cameras come with accessory bundles that enhance their value. The Canon EOS R100 package includes a variety of essentials, such as a 64GB memory card, a flash, a tripod, and multiple lens attachments, making it a comprehensive kit for beginners. In contrast, the Sony a7 IV bundle includes a 128GB memory card, additional lenses, and professional software for editing, appealing to those who require extensive support for their creative projects. This difference in accessories reflects the distinct target markets of each camera.

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 a beginner or a casual photographer looking for a lightweight, affordable option, the Canon EOS R100 at $599.00 is an excellent choice. However, if you are a professional or an enthusiastic videographer willing to invest more for superior image quality, advanced video capabilities, and robust performance, the Sony a7 IV is worth the higher price of $2,278.00. Each camera has its strengths, catering to different audiences effectively.