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 R7 vs Sony a7S III Comparison

Optics
Video
Features
Storage & Battery

Canon EOS R7

canon eos r7
Winner!
83%

Sony a7S III

sony a7s iii
74%
Canon EOS R7
vs
Sony a7S III
Price
1500
3499
Brand
Canon
Sony
Model
EOS R7
a7S III
Released
2022
2020
Announcement Date
24/05/2022
28/07/2020
Camera Type
Mirrorless
Mirrorless
Camera Size
132 x 90 x 92 mm
129 x 97 x 81 mm
Camera Weight
612
699
Compare

The Canon EOS R7 outperforms the Sony a7S III with a score of 83/100 compared to 74/100. Both cameras are mirrorless and share similarities in size and weight, with the Canon EOS R7 measuring 132 x 90 x 92mm and weighing 612g, while the Sony a7S III is slightly smaller and heavier at 129 x 97 x 81mm and 699g.

The Canon EOS R7 has an advantage in its 2022 release year and more affordable launch price of $1500 compared to the Sony a7S III’s 2020 release and $3499 price tag. However, the Sony a7S III may still have its loyal fans due to its compact design and established reputation in the market.

Considering these points, the Canon EOS R7 is the better choice for those seeking a more recent and budget-friendly option, while the Sony a7S III may appeal to those who prioritize a smaller form factor and brand loyalty.

Canon EOS R7 vs Sony a7S III Overview and Optics

The Canon EOS R7 outperforms the Sony a7S III in optics with a score of 82/100, a 13-point lead over the Sony’s 69/100. Both cameras share several specifications, including CMOS sensor type, image stabilisation, and lens mounts compatible with their respective brands.

The Canon EOS R7 excels with its 33-megapixel sensor, providing greater resolution and detail compared to the Sony a7S III’s 12.1-megapixel sensor. Additionally, the Canon’s shooting speed of 15 frames per second is faster than the Sony’s 10 frames per second. The EOS R7’s Digic X processor and higher DXOMARK sensor score of 97 contribute to better performance in processing and image quality. Furthermore, the Canon EOS R7 features an APS-C sensor size, which offers a balance between image quality and portability.

On the other hand, the Sony a7S III has a full-frame sensor, providing a larger surface area for light capture and potentially better low-light performance. However, its lower megapixel count, shooting speed, and DXOMARK sensor score of 86 result in inferior optics compared to the Canon EOS R7.

Considering these factors, the Canon EOS R7 stands as the superior choice for optics, with higher resolution, faster shooting speed, and a better processor. The Sony a7S III may offer advantages in low-light situations due to its full-frame sensor, but its overall performance falls short in comparison. Therefore, photographers seeking the best optics should opt for the Canon EOS R7, while those prioritizing low-light capabilities may find value in the Sony a7S III.

Optics
Optics
82%
69%
Megapixels
33 MP
12.1 MP
Image Resolution
6960 x 4640 px
4240 x 2832 px
Sensor Type
CMOS
CMOS
Sensor Size
22.2 x 14.8 mm
23.8 x 35.6 mm
Sensor Format
APS-C
Full Frame
Frame Rate
15 fps
10 fps
Lens Mount
Canon RF
Sony FE
Image Processor
Digic X
Bionz XR
Aspect Ratio
3:2
3:2
Minimum ISO (Native)
100
80
Maximum ISO (Native)
32000
102400
Minimum ISO (Expanded)
100
40
Maximum ISO (Expanded)
51200
409600
Minimum Shutter Speed
30 s
30 s
Maximum Shutter Speed
1/ 8000 s
1/ 8000 s
Autofocus Points
651
759
In-body Stabilization
1
1
Viewfinder Type
Electronic
Electronic
Viewfinder Resolution
2360000 dots
9440000 dots

Canon EOS R7 vs Sony a7S III Video Performance

The Canon EOS R7 outperforms the Sony a7S III in video capabilities with a score of 91/100 compared to the Sony’s 77/100. Both cameras offer 4K video resolution and have maximum video dimensions of 3840 x 2160. Additionally, they both provide a maximum video frame rate of 120fps.

The Canon EOS R7 surpasses the Sony a7S III due to its built-in time-lapse functionality. This feature allows users to capture stunning time-lapse videos without the need for external equipment or software, providing more convenience and creative opportunities for videographers.

On the other hand, the Sony a7S III does not have built-in time-lapse functionality. This means that users must rely on external equipment and software to create time-lapse videos, which may be less convenient for some videographers. Despite this disadvantage, the Sony a7S III still offers excellent video quality with its 4K resolution and 120fps frame rate, matching the Canon EOS R7 in these aspects.

Comparing both cameras, the Canon EOS R7 holds a clear advantage in video capabilities due to its built-in time-lapse functionality. This feature makes it more versatile and user-friendly for videographers who wish to create time-lapse videos without additional equipment. The Sony a7S III, while lacking this feature, still delivers high-quality video performance with its 4K resolution and 120fps frame rate. Considering these factors, the Canon EOS R7 stands out as the superior choice for videographers seeking advanced video capabilities in their camera.

Video
Video
91%
77%
Video
1
1
Max Video Resolution
4K
4K
Max Video Dimensions
3840 x 2160 px
3840 x 2160 px
Max Video Frame Rate
120 p
120 p
Time-Lapse Built In
1
Video File Format
MPEG-4, MOV
XAVC S, XAVC HS

Canon EOS R7 vs Sony a7S III Features and Benefits

The Canon EOS R7 emerges as the winner with a feature score of 85/100, compared to the Sony a7S III’s 83/100. Both cameras share several specifications, such as a 3-inch screen size, touchscreen capabilities, flip screen, and the absence of GPS. Additionally, both cameras are equipped with WIFI and Bluetooth connectivity.

The Canon EOS R7 outperforms the Sony a7S III in screen resolution, with an impressive 1,620,000 dots, while the Sony a7S III trails behind at 1,440,000 dots. This higher resolution allows the Canon EOS R7 to deliver crisper and more detailed images during image playback and menu navigation, providing a better user experience.

However, the Sony a7S III is not without its advantages. Although it has a slightly lower feature score, this difference of two points does not significantly impact the camera’s overall performance. Both cameras offer a range of features suitable for various photography and videography needs, and the choice between the two ultimately depends on individual preferences and requirements.

To sum up, the Canon EOS R7 takes the lead in terms of features, mainly due to its superior screen resolution, which contributes to a better viewing experience. The Sony a7S III, while slightly behind in score, remains a strong contender and a capable camera. Photographers and videographers must consider their specific needs and preferences when choosing between these two high-quality cameras.

Features
Features
85%
83%
Built-in Flash
External Flash
1
1
GPS
Weather Sealing
1
1
Screen Type
TFT LCD
LCD
Touch Screen
1
1
Screen Size
3
3
Screen Resolution
1620000 dots
1440000 dots
Flip Screen
1
1
Live View
1
1
Wi-Fi
1
1
Bluetooth
1
1

Canon EOS R7 vs Sony a7S III Storage and Battery

The Canon EOS R7 wins the storage and battery comparison with a score of 79/100, while the Sony a7S III scores 76/100. Both cameras have two memory card slots and accept SD, SDHC, and SDXC (UHS-II compatible) cards. They also both offer USB charging.

The EOS R7 outperforms the a7S III in battery life, providing 660 shots per charge with its LP-E6NH battery, compared to the a7S III’s 600 shots using the NP-FZ100 battery. This difference gives the EOS R7 an edge for extended shooting sessions.

However, the Sony a7S III has an advantage in memory card compatibility, as it also supports CFexpress Type A cards, providing users with more storage options.

Taking these factors into account, the Canon EOS R7 offers superior battery life, while the Sony a7S III provides more versatile storage options.

Storage and Battery
Storage and Battery
79%
76%
Memory Card
SD / SDHC / SDXC (UHS-II compatible)
SD / SDHC / SDXC (UHS-II compatible), CFexpress Type A
Dual Memory Card Slots
1
1
Battery Type
LP-E6NH
NP-FZ100
Battery Life
660 shots
600 shots
USB Charging
1
1
DXOMARK Scores
Sensor scores tested by DXOMARK
Overall Score
N/A
86
Portrait (Color Depth)
N/A
23.7 bits
Landscape (Dynamic Range)
N/A
13.9 EVs
Sports (Low-Light ISO)
N/A
2520
Scores
Main Features
Extra Features
Construction and Durability
Handling and Ergonomics
Value for Money
Total Score

Canon EOS R7 vs Sony a7S III – Our Verdict

Canon EOS R7 vs Sony a7S 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 R7 or the Sony a7S III:

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