CameraReviews.com
menu
Hi Camera Lovers 👋 If you buy a camera through our referral links, you support our site at no cost to you 😉 Full info here.

Canon EOS R vs Sony a7 III Comparison

Optics
Video
Features
Storage & Battery

Canon EOS R

canon eos r
74%

Sony a7 III

Sony A7 III camera
Winner!
81%
Canon EOS R
vs
Sony a7 III
Price
2300
2000
Brand
Canon
Sony
Model
EOS R
a7 III
Released
2018
2018
Announcement Date
05/09/2018
27/02/2018
Camera Type
Mirrorless
Mirrorless
Camera Size
136 x 98 x 84 mm
127 x 96 x 74 mm
Camera Weight
485
650
Compare

The Sony a7 III emerges as the winner with a score of 81, while the Canon EOS R trails behind at 74/100. Both cameras are mirrorless and were released in 2018, with the Canon EOS R launching at $2300 and the Sony a7 III at $2000. They share similar dimensions, but the Canon EOS R is lighter, weighing 485g compared to the Sony a7 III’s 650g.

The Sony a7 III’s higher score reveals its superior performance in various aspects, such as image quality, autofocus, and battery life. On the other hand, the Canon EOS R’s lighter weight makes it more convenient for photographers who prefer a more portable option.

Taking these factors into account, the Sony a7 III is the better choice for those seeking top-notch performance, while the Canon EOS R may suit those prioritizing portability.

Canon EOS R vs Sony a7 III Overview and Optics

The Sony a7 III outperforms the Canon EOS R in optics with a score of 81/100 compared to Canon’s 73/100. Both cameras share several specifications, such as a CMOS sensor type, full-frame sensor size, and similar shooting speeds with the Canon EOS R at 8 and the Sony a7 III at 10. However, the differences in their performance lie in other features.

The Sony a7 III has a higher DXOMARK score for the sensor at 96, compared to the Canon EOS R’s 89, indicating better overall image quality. Additionally, the Sony a7 III possesses image stabilization, which the Canon EOS R lacks. This feature helps reduce camera shake and improve image sharpness, making the Sony a7 III more suitable for handheld photography and low-light situations.

On the other hand, the Canon EOS R has a higher megapixel count at 30.3 compared to the Sony a7 III’s 24.2. This allows the Canon EOS R to capture more detail in images and provides greater flexibility for cropping and printing large photos. However, a higher megapixel count does not always guarantee better image quality, as other factors like sensor performance and image processing also play a role.

The lens mount compatibility is another factor to consider. The Canon EOS R uses the Canon RF mount, while the Sony a7 III uses the Sony FE mount. This means that each camera can only utilize lenses specifically designed for their respective mounts unless an adapter is used.

In terms of optics, the Sony a7 III has a clear advantage over the Canon EOS R, mainly due to its higher sensor score and built-in image stabilization. The Canon EOS R, though, offers a higher megapixel count for capturing more detail. Ultimately, the choice between the two cameras depends on the user’s priorities and the type of photography they plan to pursue.

Optics
Optics
73%
81%
Megapixels
30.3 MP
24.2 MP
Image Resolution
6720 x 4480 px
6000 x 4000 px
Sensor Type
CMOS
CMOS
Sensor Size
24 x 36 mm
23.8 x 35.6 mm
Sensor Format
Full Frame
Full Frame
Frame Rate
8 fps
10 fps
Lens Mount
Canon RF
Sony FE
Image Processor
Digic 8
Bionz X
Aspect Ratio
3:2
3:2
Minimum ISO (Native)
100
100
Maximum ISO (Native)
40000
51200
Minimum ISO (Expanded)
50
50
Maximum ISO (Expanded)
102400
204800
Minimum Shutter Speed
30 s
30 s
Maximum Shutter Speed
1/ 8000 s
1/ 8000 s
Autofocus Points
5655
693
In-body Stabilization
1
Viewfinder Type
Electronic
Electronic
Viewfinder Resolution
3690000 dots
2359296 dots
Video
Video
70%
56%
Video
1
1
Max Video Resolution
4K
4K
Max Video Dimensions
3840 x 2160 px
3840 x 2160 px
Max Video Frame Rate
30 p
30 p
Time-Lapse Built In
1
Video File Format
MP4
XAVC S, AVCHD

Canon EOS R vs Sony a7 III Features and Benefits

The Canon EOS R outperforms the Sony a7 III in features, scoring 87/100 compared to Sony’s 81/100. Both cameras share several specifications, including touchscreen capability, flip screens, lack of GPS, and connectivity options such as WIFI and Bluetooth.

The Canon EOS R excels in its screen size and resolution. With a 3.2-inch screen and a resolution of 2,100,000 dots, it provides a larger and sharper display than the Sony a7 III’s 3-inch screen and 921,600-dot resolution. This advantage allows for improved image preview and menu navigation, enhancing the user experience.

While the Sony a7 III has a lower feature score, it still offers strong competition. Both cameras have touchscreens, flip screens, and similar connectivity options. The Sony a7 III has the same level of functionality as the Canon EOS R in these aspects, providing users with convenience and ease of use.

Considering the features of both cameras, the Canon EOS R holds a slight edge over the Sony a7 III due to its larger screen size and higher resolution. However, the Sony a7 III remains a solid choice as it matches the Canon EOS R in several key areas. Ultimately, the decision between the two cameras will depend on the individual user’s preferences and priorities, as both offer impressive performance and functionality.

Features
Features
87%
81%
Built-in Flash
External Flash
1
1
GPS
Weather Sealing
1
1
Screen Type
LCD
LCD
Touch Screen
1
1
Screen Size
3.2
3
Screen Resolution
2100000 dots
921600 dots
Flip Screen
1
1
Live View
1
1
Wi-Fi
1
1
Bluetooth
1
1

Canon EOS R vs Sony a7 III Storage and Battery

The Sony a7 III outperforms the Canon EOS R in storage and battery with a score of 81 compared to Canon’s 35/100. Both cameras accept SD, SDHC, and SDXC memory cards. However, the Sony a7 III has two memory card slots and also supports Memory Stick Duo, Pro Duo, and Pro-HG Duo cards, while the Canon EOS R has only one memory card slot and is UHS-II compatible.

The Sony a7 III’s battery life is significantly longer, offering 750 shots per charge with its NP-FZ100 battery, compared to the Canon EOS R’s 370 shots using the LP-E6N battery. This advantage makes the Sony a7 III a better choice for extended shooting sessions or situations where charging opportunities are limited.

Storage and Battery
Storage and Battery
35%
81%
Memory Card
SD / SDHC / SDXC (UHS-II compatible)
SD / SDHC / SDXC, Memory Stick Duo / Pro Duo / Pro-HG Duo
Dual Memory Card Slots
1
Battery Type
LP-E6N
NP-FZ100
Battery Life
370 shots
750 shots
USB Charging
1
1
DXOMARK Scores
Sensor scores tested by DXOMARK
Overall Score
89
96
Portrait (Color Depth)
24.5 bits
25.1 bits
Landscape (Dynamic Range)
13.5 EVs
14.7 EVs
Sports (Low-Light ISO)
2742
3722
Scores
Main Features
80
84
Extra Features
80
72
Construction and Durability
87
67
Handling and Ergonomics
73
67
Value for Money
80
110
Total Score
80
81

Canon EOS R vs Sony a7 III Alternatives

User Scores
B&H photo video
1
1
amazon
Spotted a mistake with these specs? Please let us know so we can update it!