Canon EOS R5 vs Sony a7S III Comparison

The Canon EOS R5 takes the lead with a score of 86/100, while the Sony a7S III trails behind at 74/100. Both cameras are mirrorless, announced in July 2020, and share similar dimensions. The Canon EOS R5 has a slightly larger size (138 x 98 x 88mm) and is lighter at 680g compared to the Sony a7S III’s dimensions (129 x 97 x 81mm) and weight (699g).

The EOS R5 outperforms the a7S III with its higher score, which reflects its better overall performance. However, the Sony a7S III has a lower launch price of $3499, making it a more affordable option.

Considering the scores and specifications, the Canon EOS R5 is the superior camera, but the Sony a7S III could be a good option for those on a tighter budget.

Canon EOS R5 vs Sony a7S III Overview and Optics

The Canon EOS R5 outperforms the Sony a7S III in optics, with a score of 88/100 compared to the Sony’s 69/100. Both cameras have a full-frame CMOS sensor, image stabilization, and are compatible with their respective lens mounts, Canon RF for the EOS R5 and Sony FE for the a7S III.

The Canon EOS R5 excels in several areas. It has a significantly higher megapixel count at 45 compared to the Sony’s 12.1, allowing for more detailed and high-resolution images. Additionally, the EOS R5 boasts a faster shooting speed of 20 frames per second, making it ideal for capturing fast-moving subjects. The camera’s Digic X processor contributes to its superior performance, and its DXOMARK sensor score of 95 further highlights the quality of its image output.

The Sony a7S III, despite its lower optics score, has its own strengths. Its Bionz XR processor is efficient and reliable, though not as powerful as the Canon’s Digic X. The a7S III’s DXOMARK sensor score of 86 is respectable, but not as impressive as the EOS R5’s score. The main advantage of the Sony a7S III is its lower price point, making it a more affordable option for those on a tighter budget.

Considering the specifications and scores, the Canon EOS R5 is the superior camera in terms of optics. Its higher megapixel count, faster shooting speed, and better sensor performance make it a standout choice for those seeking top-quality image output. However, the Sony a7S III remains a viable option for those who prioritize affordability over the highest level of optics performance.

The Canon EOS R5 outperforms the Sony a7S III in video capabilities, with a video score of 100/100 compared to the a7S III’s 77/100. Both cameras share some common specifications, including a max video frame rate of 120fps. However, the Canon EOS R5 has superior video resolution and built-in time-lapse functionality, contributing to its higher score.

The Canon EOS R5’s video resolution is 8K, with max video dimensions of 8192 x 4320, which is a significant advantage over the Sony a7S III’s 4K resolution and max video dimensions of 3840 x 2160. This means that the EOS R5 can capture much more detail and produce higher quality videos. Additionally, the EOS R5 has time-lapse functionality built-in, allowing users to create stunning time-lapse videos without the need for additional software or equipment.

On the other hand, the Sony a7S III, while lacking in video resolution and built-in time-lapse functionality, still offers an impressive max video frame rate of 120fps, matching the Canon EOS R5. This allows both cameras to capture smooth slow-motion videos.

When considering video capabilities, the Canon EOS R5 clearly outshines the Sony a7S III due to its higher video resolution and built-in time-lapse functionality. However, it is important to note that both cameras offer excellent video frame rates, making them suitable for various video projects. Ultimately, the Canon EOS R5 is the superior choice for those prioritizing video quality and versatility, while the Sony a7S III remains a strong contender with its matching max video frame rate.

The Canon EOS R5 outperforms the Sony a7S III in features, with a score of 87/100 compared to the Sony’s 83/100. Both cameras share common specifications, including a touchscreen, flip screen, WIFI, and Bluetooth. Neither camera has GPS functionality.

The Canon EOS R5’s superior features are evident in its larger screen size and higher screen resolution. The R5 boasts a 3.2-inch screen, while the Sony a7S III has a 3-inch screen. The R5’s screen resolution is an impressive 2,100,000 dots, significantly higher than the Sony’s 1,440,000 dots. These differences provide the R5 with a more enjoyable and detailed user experience.

The Sony a7S III, despite its lower feature score, still offers some advantages. Its slightly smaller screen size can make the camera more compact and portable, which may be preferable for some users. Additionally, the a7S III shares essential features with the R5, such as a touchscreen, flip screen, WIFI, and Bluetooth, ensuring that it remains a competitive choice in the market.

In comparing the Canon EOS R5 and the Sony a7S III, it is clear that the R5 takes the lead in terms of features. Its larger screen size and higher screen resolution enhance the user experience. However, the Sony a7S III remains a viable option for those who prioritize portability or appreciate its shared essential features with the R5. Ultimately, the choice between these cameras will depend on individual preferences and priorities.

The Sony a7S III outperforms the Canon EOS R5 in storage and battery, scoring 76/100 compared to the R5’s 68/100. Both cameras share some common specifications, such as having two memory card slots and accepting SD/SDHC/SDXC (UHS-II compatible) cards. Additionally, both cameras offer USB charging capabilities.

The Sony a7S III holds an advantage with its extended battery life of 600 shots, compared to the Canon EOS R5’s 320 shots. This allows for longer shooting sessions without needing to change or recharge batteries. The a7S III uses the NP-FZ100 battery type, contributing to its superior battery performance.

On the other hand, the Canon EOS R5 supports both CFexpress cards and the LP-E6NH battery type. Although its battery life is shorter, the R5’s compatibility with CFexpress cards provides faster read and write speeds, which can be beneficial for demanding tasks like high-resolution video recording.

Taking these factors into account, the Sony a7S III proves to be more efficient in terms of battery life, while the Canon EOS R5 offers versatility with its storage options. This makes the a7S III a better choice for extended shooting sessions, whereas the R5 caters to users who prioritize speed and flexibility in their storage.

Are you still undecided about which camera is right for you? Have a look at these popular comparisons that feature the Canon EOS R5 or the Sony a7S III:

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