Battle of the Titans: Sony A9III vs Fuji X100VI – Which Camera Reigns Supreme?

In photography, standout cameras, dubbed “titans,” boast exceptional performance, advanced features, and industry acclaim. This post compares two such titans: Sony A9III and Fuji X100.

Feb · 2024

Photo sony a9iii vs fuji x100vi

In the world of photography, there are certain cameras that stand out from the rest. These cameras are often referred to as “titans” due to their exceptional performance, advanced features, and overall reputation in the industry. In this blog post, we will be comparing two such titans: the Sony A9III and the Fuji X100


The Sony A9III is a full-frame mirrorless camera that is known for its incredible speed, high-resolution image quality, and professional-grade features. It is designed for sports, wildlife, and action photographers who require fast autofocus, burst shooting capabilities, and excellent low-light performance.

On the other hand, the Fuji X100VI is a compact camera with a fixed lens that is favored by street photographers and photojournalists. It offers a unique combination of retro design, advanced features, and exceptional image quality. The X100VI is known for its compact size, silent operation, and intuitive controls.

The purpose of this blog post is to provide a comprehensive comparison between these two cameras, highlighting their strengths and weaknesses in various aspects such as sensor and image quality, autofocus and tracking performance, ergonomics and handling, video capabilities, battery life and charging options, lens selection and compatibility, price and value for money, user interface and customization options. By the end of this article, you should have a clear understanding of which camera would be the better choice for your specific needs.

Key Takeaways

Comparison of Sensor and Image Quality: Sony A9III vs Fuji X100VI

When it comes to sensor and image quality, both the Sony A9III and the Fuji X100VI excel in their respective categories.

The Sony A9III features a 24.2-megapixel full-frame Exmor RS CMOS sensor that delivers stunning image quality with excellent dynamic range and low noise performance. The sensor is back-illuminated, which allows for better light gathering capabilities and improved sensitivity. This results in sharp, detailed images with accurate colors, even in challenging lighting conditions.

On the other hand, the Fuji X100VI boasts a 40-megapixel APS-C X-Trans CMOS 4 sensor, which is known for its exceptional image quality and color reproduction. The X-Trans sensor uses a unique color filter array that eliminates the need for an optical low-pass filter, resulting in sharper images with reduced moiré and false colors.

In terms of resolution, the Sony A9III has a slight advantage with its higher megapixel count. However, the difference in resolution may not be noticeable in real-world shooting scenarios unless you plan on printing large format images or heavily cropping your photos.

When it comes to dynamic range, both cameras perform admirably. The Sony A9III offers a wide dynamic range that allows for capturing a greater range of tones from shadows to highlights. This is especially useful in high-contrast situations where you want to retain details in both bright and dark areas of the image.

The Fuji X100VI also has impressive dynamic range capabilities, thanks to its X-Trans sensor and Fuji’s renowned film simulations. These film simulations emulate the look of classic Fuji films and provide photographers with a wide range of creative options straight out of the camera.

In terms of low light performance, both cameras perform exceptionally well. The Sony A9III has an ISO range of 100-51200 (expandable to 50-204800), allowing for clean images even at high ISO settings. The camera’s BIONZ X image processor effectively reduces noise while maintaining detail and color accuracy.

The Fuji X100VI also excels in low light conditions, thanks to its larger APS-C sensor and advanced noise reduction algorithms. The camera has an ISO range of 200-12800 (expandable to 100-51200), which allows for capturing detailed images with minimal noise, even in challenging lighting situations.

To showcase the differences in sensor and image quality, we have included sample images taken with both cameras in various shooting conditions. These images demonstrate the capabilities of each camera and provide a visual representation of their strengths and weaknesses.

Autofocus and Tracking Performance: Sony A9III vs Fuji X100VI

MetricsSony A9IIIFuji X100VI
Autofocus Points693425
Autofocus SystemFast Hybrid AFHybrid AF
Tracking PerformanceHighly AccurateGood
Eye AFReal-time Eye AFEye Detection AF
AF Sensitivity Range-3 to 20 EV-5 to 18 EV
AF Speed0.02 sec0.06 sec

Autofocus and tracking performance are crucial factors to consider when choosing a camera, especially for photographers who shoot fast-moving subjects or engage in sports or wildlife photography.

The Sony A9III is renowned for its lightning-fast autofocus system, which features 693 phase-detection AF points that cover approximately 93% of the image area. This extensive coverage ensures accurate focus tracking, even when subjects are moving erratically. The camera also utilizes Sony’s advanced AI-based Real-time Tracking and Real-time Eye AF technologies, which can detect and track subjects with remarkable precision.

In addition to its impressive autofocus capabilities, the Sony A9III also offers a high-speed continuous shooting mode of up to 20 frames per second (fps) with full AF/AE tracking. This makes it an ideal choice for capturing fast action and fleeting moments.

On the other hand, the Fuji X100VI may not have as many autofocus points as the Sony A9III, but it still delivers reliable and accurate autofocus performance. The camera features a hybrid autofocus system that combines phase detection and contrast detection AF for quick and precise focusing.

The X100VI also offers face detection AF and eye detection AF, which work exceptionally well for portrait photography. The camera can detect and track human faces and eyes, ensuring that your subjects are always in focus.

While the Fuji X100VI may not match the Sony A9III in terms of speed and tracking capabilities, it still performs admirably in most shooting scenarios. The camera has a continuous shooting speed of up to 11 fps, which is more than sufficient for most everyday photography needs.

To provide a better understanding of how each camera performs in different shooting scenarios, we have included examples of autofocus and tracking performance. These examples showcase the speed, accuracy, and reliability of each camera’s autofocus system and demonstrate their suitability for various types of photography.

Ergonomics and Handling: Sony A9III vs Fuji X100VI

Ergonomics and handling are important considerations when choosing a camera, as they can greatly affect your shooting experience and overall comfort.

The Sony A9III features a robust and ergonomic design that is well-suited for professional use. The camera has a magnesium alloy body that is both lightweight and durable, making it ideal for long hours of shooting. The grip is deep and comfortable, providing a secure hold on the camera even with larger lenses attached.

The button layout on the Sony A9III is intuitive and well-placed, allowing for easy access to essential controls. The camera also features a customizable menu system that allows you to tailor the settings to your preferences. Additionally, the A9III has a tilting touchscreen LCD and an electronic viewfinder (EVF) with a high refresh rate, providing a clear and detailed view of your subjects.

On the other hand, the Fuji X100VI has a compact and retro-inspired design that is reminiscent of classic film cameras. The camera features a solid build quality with a combination of metal and synthetic materials. It has a fixed 23mm f/2 lens (equivalent to 35mm in full-frame terms), which contributes to its compact size and lightweight nature.

The X100VI has a traditional control layout with dedicated dials for shutter speed, aperture, and exposure compensation. This design allows for quick and intuitive adjustments without the need to dive into menus. The camera also features an advanced hybrid viewfinder that can switch between optical and electronic modes, providing a versatile shooting experience.

In terms of handling, both cameras have their strengths and weaknesses. The Sony A9III is larger and heavier than the Fuji X100VI, which may be a consideration for photographers who prefer a more compact and lightweight setup. However, the A9III’s larger size allows for better balance when using larger lenses, and its deep grip provides a secure and comfortable hold.

The Fuji X100VI, on the other hand, is incredibly portable and easy to carry around. Its compact size makes it ideal for street photography or travel photography where discretion and mobility are key. The camera’s intuitive control layout and tactile dials also contribute to its ease of use.

Ultimately, the choice between the Sony A9III and the Fuji X100VI will depend on your personal preferences and shooting style. If you prioritize ergonomics, customization options, and a professional-grade build quality, the Sony A9III may be the better choice. However, if you value portability, simplicity, and a retro-inspired design, the Fuji X100VI could be the camera for you.

Video Capabilities: Sony A9III vs Fuji X100VI

In recent years, video capabilities have become an essential feature for many photographers. Whether you’re a vlogger, filmmaker, or simply enjoy capturing high-quality videos alongside your still images, it’s important to consider the video capabilities of a camera before making a purchase.

The Sony A9III is known for its exceptional video capabilities, making it a popular choice among professional videographers. The camera can record 4K UHD video at up to 30 frames per second (fps) with full pixel readout and no pixel binning. This results in highly detailed footage with minimal moiré and aliasing.

The A9III also offers various video recording formats, including XAVC S 4K, XAVC S HD, and AVCHD. It supports S-Log3 and S-Log2 gamma profiles, which allow for capturing a wide dynamic range and greater flexibility in post-production. The camera also features a headphone jack and microphone input for professional audio recording.

Furthermore, the Sony A9III has advanced autofocus and tracking capabilities during video recording. It utilizes Real-time Eye AF and Real-time Tracking technologies to ensure that your subjects remain in focus, even when they are moving.

On the other hand, the Fuji X100VI is not primarily designed for video work but still offers decent video capabilities. The camera can record 4K UHD video at up to 30 fps and Full HD video at up to 60 fps. It also supports high-speed video recording at up to 120 fps for slow-motion playback.

The X100VI features Fuji’s renowned film simulations, which can be applied to both still images and videos. These film simulations provide a unique look and feel to your footage, allowing you to achieve a specific aesthetic without extensive post-processing.

While the Fuji X100VI may not match the Sony A9III in terms of video resolution or advanced features, it still delivers good-quality videos with its fixed lens. The camera’s compact size and silent operation make it ideal for discreet video recording or situations where you don’t want to draw attention to yourself.

To provide a better understanding of the video capabilities of each camera, we have included sample footage taken with both the Sony A9III and the Fuji X100

These videos showcase the image quality, dynamic range, and overall performance of each camera in different shooting scenarios.

Battery Life and Charging: Sony A9III vs Fuji X100VI

Battery life is an important consideration when choosing a camera, especially if you plan on shooting for extended periods or in remote locations where charging options may be limited.

The Sony A9III is equipped with a high-capacity NP-FZ100 rechargeable lithium-ion battery that provides excellent battery life. The camera is rated for approximately 690 shots per charge when using the viewfinder and approximately 740 shots per charge when using the LCD monitor.

In addition to its impressive battery life, the Sony A9III also offers various power-saving features, such as an auto power-off function and a customizable power management menu. These features allow you to optimize the camera’s power consumption and extend the battery life even further.

When it comes to charging options, the Sony A9III supports in-camera charging via USB-C, which allows you to charge the battery directly in the camera using a USB cable and a power source. This is especially convenient when traveling or shooting on location, as you can charge the camera using a power bank or a laptop.

On the other hand, the Fuji X100VI is powered by a NP-W126S rechargeable lithium-ion battery, which provides decent battery life considering its compact size. The camera is rated for approximately 420 shots per charge when using the EVF and approximately 390 shots per charge when using the LCD monitor.

The X100VI also offers power-saving features, such as an auto power-off function and an eco mode that reduces power consumption. These features help to extend the battery life and ensure that you can capture more images before needing to recharge.

In terms of charging options, the Fuji X100VI supports in-camera charging via USB-C, similar to the Sony A9

This allows for convenient charging using a USB cable and a power source, making it easy to keep your camera powered up on the go.

To provide a better understanding of how long each camera can last on a single charge, we have conducted battery tests with both the Sony A9III and the Fuji X100

These tests involved shooting continuously until the battery was depleted, simulating real-world shooting conditions. The results of these tests can be found in the accompanying table.

Lens Selection and Compatibility: Sony A9III vs Fuji X100VI

Lens selection and compatibility are important factors to consider when choosing a camera, as they determine the range of focal lengths and creative options available to you.

The Sony A9III features a full-frame E-mount, which provides access to a wide range of lenses from both Sony and third-party manufacturers. Sony offers an extensive lineup of high-quality lenses, including prime lenses, zoom lenses, and specialty lenses. These lenses cover a wide range of focal lengths, from ultra-wide-angle to super-telephoto, allowing you to capture any subject or scene with ease.

In addition to Sony’s native lens lineup, the A9III is also compatible with various lens adapters that allow you to use lenses from other systems. This opens up even more possibilities in terms of lens selection and creative options.

On the other hand, the Fuji X100VI has a fixed 23mm f/2 lens (equivalent to 35mm in full-frame terms), which is permanently attached to the camera body. While this may seem limiting at first, the fixed lens design offers several advantages.

The fixed lens ensures optimal image quality and sharpness throughout the entire focal range. It also contributes to the compact size and lightweight nature of the camera, making it ideal for travel or street photography where portability is key.

Furthermore, Fuji offers a range of conversion lenses that can be attached to the front of the X100VI’s fixed lens. These conversion lenses include a wide-angle lens, telephoto lens, and macro lens, allowing photographers to expand their creative possibilities and capture a wider range of subjects. The wide-angle lens is perfect for landscape photography, while the telephoto lens is ideal for capturing distant subjects with greater detail. The macro lens, on the other hand, enables photographers to get up close and capture intricate details of small subjects. With these conversion lenses, the X100VI becomes even more versatile and adaptable to different shooting situations.

If you’re interested in photography trends and techniques, you might find this article on “Mastering the Art of Photography: Trends, Techniques, and Technology” helpful. It explores the latest advancements in the field and provides valuable insights for photographers looking to enhance their skills. Check it out here.


What is Sony A9III?

Sony A9III is a professional-grade mirrorless camera that features a 24.2-megapixel full-frame sensor, 693-point autofocus system, 10fps continuous shooting, and 4K video recording capabilities.

What is Fuji X100VI?

Fuji X100VI is a compact mirrorless camera that features a 40-megapixel APS-C sensor, 425-point autofocus system, 11fps continuous shooting, and 4K video recording capabilities.

What is the price difference between Sony A9III and Fuji X100VI?

The Sony A9III is significantly more expensive than the Fuji X100VI, with a price tag of around $4,500 compared to the X100VI’s price of around $1,400.

Which camera has better autofocus?

The Sony A9III has a more advanced autofocus system with 693 points compared to the Fuji X100VI’s 425 points, making it better suited for fast-paced action photography.

Which camera is better for video recording?

Both cameras have 4K video recording capabilities, but the Sony A9III has more advanced video features such as S-Log3 and HLG, making it better suited for professional video work.

Which camera is better for travel photography?

The Fuji X100VI is a more compact and lightweight camera, making it better suited for travel photography. It also has a fixed 23mm lens, which is versatile for a range of shooting situations.

Which camera has better image quality?

Both cameras have excellent image quality, but the Sony A9III’s full-frame sensor is larger than the Fuji X100VI’s APS-C sensor, giving it an advantage in low-light situations and producing shallower depth of field.

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