CameraReview

Canon EOS RP vs Sony a7R III — Which Is Better?

Side-by-side specs, scores and live prices. Start over

Canon EOS RP
Canon
Canon EOS RP
Mirrorless · 26 MP · Full Frame · 4K video
74
SCORE
$926.46
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✓ WINNER
Sony a7R III
Sony
Sony a7R III
Mirrorless · 42.4 MP · Full Frame · 4K video
83
SCORE
$1,749
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General
Brand CanonSony
Model EOS RPa7R III
Released
Refers to the year this camera was officially made available for sale.
20192017
Announcement date
Refers to the date the manufacturer publicly announced the upcoming release and general specs of this camera.
14/02/201925/10/2017
Camera type MirrorlessMirrorless
Camera size 133 x 85 x 70 mm127 x 96 x 74 mm
Camera weight 440 g657 g
Optics
Megapixels
The higher the number of megapixels, the more detail the cameras sensor can capture.
26 MP05042.4 MP050
Image resolution
Image resolution is measured in pixels and megapixels, width by height. The higher the number, the higher its resolution.
6240 x 41607952 x 5304
Sensor type
The camera sensor captures light and records the image. Sensors vary in physical size, the number of pixels, and quality.
CMOSCMOS
Sensor size
The sensor size contributes to the overall quality as well as the dynamic and tonal range a camera can capture. As a rule of thumb, the more surface there is to read the light, the more information it will capture.
24 x 35.924 x 35.9
Sensor format
Refers to the most commonly used sensor sizes.
Full FrameFull Frame
Continuous shooting
The number of sequential frames per second the camera can write to the memory card when shooting in burst or continuous mode.
5 fps04510 fps045
Lens mount
The lens mount will tell you what type of lens range you can fit onto the camera body. Often the same camera company will have different lens ranges for different cameras.
Canon RFSony FE
Image processor
The image processor in the camera converts the information collected on the sensor for digital storage on the memory card.
Digic 8Bionz X
Aspect ratio
The aspect ratio refers to the proportional difference between width and height. The most popular aspect ratios are 3:2 and 4:3.
3:23:2
Min ISO
Refers to the lowest native (or 'base') ISO setting. Lower ISO are less sensitive to light but make a cleaner image.
1003020010030200
Max ISO
Refers to the highest native (or 'base') ISO setting. Higher ISO is necessary for low-light situations or night photography, but higher ISOs often introduce grain or noise.
400003003280000320003003280000
Min ISO (expanded)
Expanded (or extended) ISO is a digitally enhanced feature available on some cameras. It allows you to push beyond the native ISO range if necessary.
100302005030200
Max ISO (expanded)
Expanded (or extended) ISO is a digitally enhanced feature available on some cameras. It allows you to push beyond the native ISO range if necessary.
10240030032800001024003003280000
Minimum shutter speed
The minimum shutter speed will tell you the longest exposure your camera can take without using an external accessory.
30440803044080
Max shutter speed
The maximum shutter speed tells you the length inside 1 second the camera will capture. These can sometimes be extended with accessories such as extra external batteries.
400080032000800080032000
Autofocus points
Autofocus points show where the camera is focusing graphically as squares or brackets in Live View or on an electronic viewfinder. These points are also used for light meter readings.
477903004250300
In-body stabilisation
In-body Stabilization means the camera has a certain technology embedded that counteracts camera shake.
Viewfinder type
The viewfinder type is either electronic or optical. Electronic viewfinders will have a small screen in the viewfinder. Optical viewfinders will use prisms and mirrors to look through the lens.
ElectronicElectronic
Viewfinder dots 236000009900000368640009900000
Video
Video
Indicates if this camera is capable of recording video.
Max video resolution
The best resolution this camera can capture video in. Modern cameras can capture up to 8K video.
4K4K
Max video format
Video resolution measured by the greatest number of pixels possible in each frame, width by height. A higher resolution means more detail or clarity in your video.
3840 x 21603840 x 2160
Max video frame rate
How many frames per second your video will capture. Most cameras have options for multiple frame rates, depending on the resolution you shoot in. For a general video, 24p or 30p is the standard, but more serious filmmakers may need a higher frame rate for creative effect.
25 fps30 fps
Timelapse built in
A built in time-lapse mode will allow continuous shooting throughout a prolonged period of time to be compressed into a sped up video.
Video file format
Different cameras can record in various video file formats. The File format you record in can impact how you edit and use the files.
MP4XAVC S, AVCHD Ver. 2.0, MP4
Features
Builtin flash
A built-in flash will often be positioned right above the lens. This will automatically pop up when you activate it.
External flash
External flashes are often connected through a hot shoe at the top of a camera, or a cable at the side of the camera.
GPS
GPS features in a camera will include location metadata to each of your photographs.
Weather sealing
Weather sealing capabilities will give you more confidence when shooting in unfavourable conditions.
Screen type LCDLCD
Touch screen
Touchscreen allows you to change camera settings and access menus with a swipe of your finger, instead of using buttons.
Screen size 3"3"
Screen dots
Screen dots indicate the resolution of the LCD screen by including each sub pixel.
1040000115000150000014400001150001500000
Flip screen
A flip screen (or articulating screen) is a second screen which can flip out from the side or top of the camera. This rotating screen allows you more freedom to take photos at different angles.
Live view
Live View feature allows you to see a continuous live video of what is being seen through your lens.
Wi-Fi
Built-in Wi-Fi allows you to connect your camera and share images wirelessly.
Bluetooth
Bluetooth capabilities allow you wireless control of your camera with other external devices.
Storage & battery
Memory card SD / SDHC / SDXC (UHS-II compatible)SD / SDHC / SDXC (UHS-II compatible)
Dual memory card slots
Battery type LP-E17NP-FZ100
Battery life
Approximately how long this cameras battery will last measured by how many photographs you will be able to take.
250 shots1505000650 shots1505000
USB charging

The Sony a7R III outshines the Canon EOS RP with a score of 83/100 compared to the latter’s 65/100. Both cameras are mirrorless and were released in 2017 and 2019, respectively. They share similarities in size, with the Sony a7R III measuring 127x96x74mm and the Canon EOS RP at 133x85x70mm.

The Sony a7R III excels in performance and features, justifying its higher launch price of $3200 compared to the Canon EOS RP’s $1300. However, the Canon EOS RP is lighter, weighing only 440g (0.97lbs) compared to the Sony a7R III’s 657g (1.45lbs), making it more portable.

Given these specifications, the Sony a7R III is the superior camera in terms of performance, while the Canon EOS RP offers a more budget-friendly and lightweight option.

Canon EOS RP vs Sony a7R III Overview and Optics

The Sony a7R III outperforms the Canon EOS RP in optics with a score of 84/100 compared to the Canon’s 67/100. Both cameras share some common specifications, such as a CMOS sensor, full-frame sensor size, and respective lens mounts (Canon RF for the EOS RP and Sony FE for the a7R III).

The Sony a7R III takes the lead with its higher megapixel count of 42.4, double the shooting speed at 10 frames per second, and an impressive DXOMARK score of 100 for its sensor. Additionally, the a7R III features image stabilization, which the Canon EOS RP lacks. These factors contribute to the Sony a7R III’s superior image quality and performance in various shooting conditions.

On the other hand, the Canon EOS RP has a lower megapixel count at 26 and a slower shooting speed of 5 frames per second. Its Digic 8 processor and a DXOMARK score of 85 for the sensor fall short compared to the Sony a7R III’s Bionz X processor and perfect sensor score. The absence of image stabilization further puts the EOS RP at a disadvantage in terms of image quality and versatility.

Despite these shortcomings, the Canon EOS RP is still a reliable camera with decent optics. It may not be on par with the Sony a7R III, but it has its merits, especially for those who prefer the Canon RF lens mount and ecosystem.

Taking all factors into account, the Sony a7R III emerges as the winner in optics, offering superior image quality, performance, and features. The Canon EOS RP, while not as impressive, remains a viable option for users who prioritize the Canon system and are content with its capabilities.

Canon EOS RP vs Sony a7R III Video Performance

The Canon EOS RP outperforms the Sony a7R III in video capabilities, scoring 70/100 compared to the Sony’s 56/100. Both cameras have 4K max video resolution and 3840 x 2160 max video dimensions, making them suitable for high-quality video recording.

The winning camera, Canon EOS RP, offers a max video frame rate of 25fps, which is slightly lower than the Sony a7R III’s 30fps. However, the Canon EOS RP compensates for this by having built-in time-lapse functionality, which the Sony a7R III lacks. This feature allows the Canon EOS RP users to create stunning time-lapse videos without needing additional software or accessories.

On the other hand, the Sony a7R III has a higher max video frame rate of 30fps, providing smoother video playback. This advantage may appeal to videographers who prioritize smoothness in their footage. However, the absence of built-in time-lapse functionality limits the Sony’s versatility in video production.

In comparing the video capabilities of these two cameras, the Canon EOS RP emerges as the better option due to its built-in time-lapse functionality, despite having a slightly lower max video frame rate. The Sony a7R III’s higher frame rate may be beneficial for some users, but its lack of time-lapse functionality restricts its overall video capabilities. Therefore, the Canon EOS RP proves to be a more versatile and user-friendly choice for videographers.

Canon EOS RP vs Sony a7R III Features and Benefits

The Sony a7R III wins the feature comparison against the Canon EOS RP with a score of 83/100, while the Canon EOS RP scores 70/100. Both cameras share several specifications, including a 3-inch touchscreen, flip screen, WiFi, and Bluetooth capabilities. However, neither camera has GPS functionality.

The Sony a7R III outperforms the Canon EOS RP in screen resolution, with 1,440,000 dots compared to the EOS RP’s 1,040,000 dots. This higher resolution provides a clearer and more detailed image preview, allowing for better composition and focus accuracy. This advantage makes the Sony a7R III a better choice for photographers who prioritize image quality and detail.

Although the Canon EOS RP has a lower feature score, it still offers a solid set of features. Its touchscreen, flip screen, WiFi, and Bluetooth capabilities make it a reliable and user-friendly camera for various photography needs. However, its lower screen resolution may not be ideal for those who require the highest image quality possible.

When considering these points, the Sony a7R III stands out as the better camera in terms of features. Its higher screen resolution offers a significant advantage for photographers seeking the best image quality. On the other hand, the Canon EOS RP remains a reliable option with a good set of features, though it may not be the top choice for those prioritizing image detail.

In comparing the Canon EOS RP and Sony a7R III, the Sony camera proves to be the superior choice, primarily due to its higher screen resolution. However, both cameras offer valuable features and capabilities, making them suitable for various photography needs.

Canon EOS RP vs Sony a7R III Storage and Battery

The Sony a7R III outperforms the Canon EOS RP in storage and battery with a score of 65/100, compared to the Canon’s 29/100. Both cameras accept SD, SDHC, and SDXC memory cards with UHS-II compatibility. However, the Sony a7R III has two memory card slots, providing more storage capacity and flexibility than the Canon EOS RP, which only has one slot.

In terms of battery life, the Sony a7R III is superior, offering 650 shots per charge with its NP-FZ100 battery. The Canon EOS RP, using an LP-E17 battery, only provides 250 shots per charge. This means that the Sony a7R III allows for longer shooting sessions without needing to change batteries.

The Canon EOS RP has one advantage in this category – it supports USB charging, while the Sony a7R III does not. This feature can be convenient for on-the-go charging and power supply.

Considering these factors, the Sony a7R III is the clear winner in storage and battery capacity, ensuring longer shooting sessions and greater storage flexibility. The Canon EOS RP’s USB charging feature may be beneficial for some users, but it does not make up for its shortcomings in battery life and memory card slots.

Canon EOS RP vs Sony a7R III – Our Verdict

Canon EOS RP vs Sony a7R III Comparison image.

Are you still undecided about which camera is right for you? Have a look at these popular comparisons that feature the Canon EOS RP or the Sony a7R III: