Canon EOS RP Full-Frame Mirrorless Interchangeable vs Sony Alpha a6400 Mirrorless Camera: Compact APS-C
Updated August 2026 — Canon EOS RP Full-Frame Mirrorless Interchangeable wins on battery and build, Sony Alpha a6400 Mirrorless Camera: Compact APS-C wins on weight and size.
The Canon EOS RP excels in full-frame image quality and lens versatility, while the Sony Alpha a6400 offers excellent autofocus and a lower price point.
Why Canon EOS RP Full-Frame Mirrorless Interchangeable is better
Image Quality
Full-frame sensor provides superior low-light performance.
Lens Versatility
Includes a versatile RF24-105mm lens.
Stabilization
Optical image stabilization enhances clarity.
Why Sony Alpha a6400 Mirrorless Camera: Compact APS-C is better
Price
More affordable option at $835.90.
Autofocus
Real-time eye autofocus for better subject tracking.
Compactness
Smaller and lighter design for portability.
Overall score
Specifications
| Spec | Canon EOS RP Full-Frame Mirrorless Interchangeable | Sony Alpha a6400 Mirrorless Camera: Compact APS-C |
|---|---|---|
| Sensor Type | Full-Frame | APS-C |
| Megapixels | 26.2MP | 20.1MP |
| Video | 4K UHD | 4K UHD |
| Continuous Shooting | 5 fps | 11 fps |
| Lens Included | RF24-105mm | 16-50mm |
Dimension comparison
Overview of the Canon EOS RP
The Canon EOS RP is a full-frame mirrorless camera that comes with a versatile RF24-105mm lens, priced at $1,349.00. This kit is designed for those who require a lightweight and compact option for travel and vlogging, making it an appealing choice for photographers on the go. With a sales rank of 21,767, it offers functionality and quality, appealing to both amateur and professional users.
The EOS RP features an impressive zoom range and optical image stabilization that allows for up to 5 stops of shake correction. This means users can capture sharp images even in challenging conditions or low light. The maximum magnification of 0.5x in macro mode allows for detailed close-ups, making it a versatile tool for various photography styles.
Overview of the Sony Alpha a6400
The Sony Alpha a6400 is a compact APS-C mirrorless camera priced at $835.90. It has a higher sales rank of 5,200, indicating its popularity among consumers. This camera features real-time eye autofocus and is equipped with a 16-50mm lens, making it an excellent choice for both amateur and professional photographers who need a reliable camera for everyday use.
With a 20.1MP stacked back-illuminated sensor, the a6400 delivers excellent image quality and fast performance, allowing for continuous shooting at up to 11 frames per second. This camera also supports 4K video recording, which is essential for modern content creators looking to produce high-quality video content without the need for extensive post-processing.
Image Quality Comparison
In terms of image quality, the Canon EOS RP offers a full-frame sensor that delivers superior low-light performance and depth of field control compared to the Sony Alpha a6400’s APS-C sensor. The RP's optical image stabilization also enhances image clarity by reducing motion blur, which is particularly useful for handheld shooting or in dynamic environments.
The a6400, however, boasts a 20.1MP sensor that provides sharp, high-resolution images. While it may not match the full-frame capabilities of the RP, the a6400 excels in fast autofocus and burst shooting, making it ideal for capturing moving subjects. This difference in sensor type and technology creates distinct advantages depending on the shooting conditions and styles preferred by the user.
Lens Versatility
The Canon EOS RP kit includes an RF24-105mm lens, offering a versatile focal length that can adapt to a variety of shooting scenarios, from landscapes to portraits. The lens features a maximum aperture range of F4-7.1, which, while not as fast as some prime lenses, still provides adequate light for most situations.
In contrast, the Sony Alpha a6400 comes with a 16-50mm lens, which is more compact and suitable for everyday photography. The lens is effective for both wide-angle shots and moderate zoom, but it lacks the longer reach of the Canon's lens. Users who prioritize lens versatility and quality for different photography applications may find the Canon to be a better fit.
Video Recording Capabilities
The Canon EOS RP supports 4K UHD video recording, which is essential for modern videography. The EOS utility allows it to be used as a high-quality webcam, a feature that is increasingly sought after among content creators. This capability, combined with its lightweight design, makes the RP an excellent choice for vloggers.
Meanwhile, the Sony Alpha a6400 also excels in video recording with its 4K capabilities and advanced autofocus features. It includes multiple movie functions that allow users to create time-lapse videos or quick-motion content without extensive editing. While both cameras are competent in video, the a6400’s feature set may appeal more to those focused on dynamic video production and vlogging.
User Experience and Ergonomics
The Canon EOS RP has been designed with user comfort in mind, being compact and lightweight, which is particularly advantageous for travel. Its configuration allows for quick adjustments through a control ring on the lens, making it user-friendly for photographers who need to make fast changes on the fly.
The Sony Alpha a6400 also emphasizes user experience with its tiltable LCD screen, which is customizable for various shooting styles, including vlogging. However, the a6400’s smaller form factor may not feel as substantial in hand compared to the EOS RP. Both cameras have their strengths in ergonomics, with the choice largely depending on personal preferences regarding handling and controls.
Price Comparison
When considering price, the Canon EOS RP is available for $1,349.00, while the Sony Alpha a6400 is priced at $835.90. This makes the a6400 approximately 38% cheaper than the EOS RP. For budget-conscious consumers, this significant price difference could be a deciding factor, especially for those who are just starting in photography or videography.
However, the higher cost of the EOS RP may be justified by its full-frame capabilities and superior lens versatility. Users must weigh their budget against the specific features and benefits each camera offers to determine which model aligns best with their needs.
Which should you buy?
Choosing between the Canon EOS RP and the Sony Alpha a6400 ultimately depends on your specific photography needs and budget. If you prioritize full-frame image quality, versatile lens options, and enhanced stabilization, the Canon EOS RP is a reliable choice. However, if you are looking for a more affordable camera with excellent autofocus, compact design, and solid video capabilities, the Sony Alpha a6400 would be a better fit. Both cameras are excellent in their own right, catering to different segments of the photography market.

