
Sony A9 vs A7 III – Check Which One Is Best & Why?
Both Sony A9 & A7 III share many similarities, but there are also important differences, such as image quality, performance, features, design, and connectivity. If you want the best one between them, I Would recommend the Sony A9 rather than Sony A7 III .
Why Do I Recommend Sony A9?
- The Sony A9 uses a advanced stacked CMOS sensor which provides faster data processing and reduces rolling shutter effects compared to the traditional CMOS sensor in the a7 III.
- With up to 20 fps using its electronic shutter, the a9 outrank the a7III’s maximum of 10 fps, 2x more in continuous drive mode making A9 better for capturing fast action without missing critical moments.
- The Sony A9 offers 650 shots in a single charge & Sony A7 III 610 shot; 40 shots longer battery life per charge making the A9 more suitable for extended shooting sessions.
- The A9 offers 1440k dot compared to Sony A7 III’s 921.6k dots, which ensures 518.4k dots higher resolution (screen), allowing sharp and more detailed images viewing experience.
- The improved viewfinder 3686.4k dot resolution in the Sony A9 offer 56% higher resolution for better clarity and detail compared to the Sony A7 III’s 2360k dot.
- The Sony A9 has a Flash Sync Port which allows for easy connection to external flash for more advanced photography lighting techniques, on the other hand Sony A7 III don’t have this port
- Sony A9 has a Ethernet Port that can easily connect the camera to a network for fast and seamless image transfer which is not available in Sony A7 III.
- The A9 includes more customizable buttons and a slightly different body layout optimized for quick adjustments, appealing more to professional users for quick access to a variety of settings.
Maybe Sony A7 III the price can make you comfortable because it’s a little bit cheaper than the Sony A9. But you have to compromise all the above-mentioned features. Now the Decision is Yours. I hope it was helpful to choose the right one.
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Side By Side Comparison
Feature | Sony A9 | Sony A7III |
Sensor Type | 24.2 MP full-frame Exmor RS CMOS stacked | 24.2 MP full-frame Exmor R CMOS |
Image Processor | BIONZ X with front-end LSI | BIONZ X |
ISO Sensitivity | Standard: 100-51200, Expandable: 50-204800 | Standard: 100-51200, Expandable: 50-204800 |
Autofocus Points | 693 phase-detection / 25 contrast-detection | 693 phase-detection / 425 contrast-detection |
Autofocus Sensitivity | -3 EV to +20 EV | -3 EV to +20 EV |
Continuous Shooting | Mechanical Shutter: 5 fps, Electronic Shutter: 20 fps | Mechanical Shutter: 10 fps, Electronic Shutter: 8 fps |
Buffer Depth | 241 RAW / 362 JPEG | 89 RAW / 177 JPEG |
Video Resolution | 4K UHD 3840 x 2160p at 24/25/30 fps, Full HD up to 120 fps | 4K UHD 3840 x 2160p at 24/25/30 fps, Full HD up to 120 fps |
Video Bit Depth | 8 bit internal, 14 bit RAW output | 8 bit internal, 14 bit RAW output |
Stabilization | 5-axis sensor-shift stabilization up to 5 stops | 5-axis sensor-shift stabilization up to 5 stops |
Electronic Shutter | Silent Shooting mode with no blackout | Silent Shooting mode |
Viewfinder Resolution | 3.68M-dot OLED electronic viewfinder | 2.36M-dot OLED electronic viewfinder |
Viewfinder Magnification | 0.78x | 0.78x |
LCD Screen | 3-inch tilting touchscreen, 1.44M dots | 3-inch tilting touchscreen, 921k dots |
Flash Sync Speed | 1/250 sec | 1/250 sec |
Battery Model | NP-FZ100 | NP-FZ100 |
Battery Life (CIPA) | 650 shots | 610 shots |
Wireless Connectivity | Wi-Fi, Bluetooth, NFC, Ethernet | Wi-Fi, Bluetooth, NFC |
Physical Ports | USB Type-C, Micro HDMI, Microphone, Headphone, Ethernet | USB Type-C, Micro HDMI, Microphone, Headphone |
Memory Card Slots | Dual SD/SDHC/SDXC (UHS-II compatible) | Dual SD/SDHC/SDXC (UHS-I compatible) |
Weather Sealing | Yes | Yes |
Body Material | Magnesium alloy | Magnesium alloy |
Dimensions | 126.9 x 95.6 x 63.0 mm | 126.9 x 95.6 x 73.7 mm |
Weight | Approx. 673g (body only) | Approx. 650g (body only) |
Price | Check A9 Price | Check A7 III Price |
What Common Both Can Do?
The Sony a7III and Sony a9 share several common capabilities, making them both excellent choices for various types of photography. Here’s what they can both do:
- High-Resolution Full-Frame Sensors: Both cameras are equipped with a 24.2 MP full-frame sensor, delivering high-quality images with good detail and dynamic range.
- 4K Video Recording: Each camera can record in 4K resolution, providing sharp and detailed video suitable for professional video production.
- ISO Sensitivity: Both cameras offer an ISO range of 100-51200, expandable to 50-204800, allowing for versatile shooting in a range of lighting conditions, from bright daylight to low light.
- 5-Axis Image Stabilization: They both include 5-axis in-body image stabilization, which helps to reduce camera shake and is particularly useful in handheld shooting scenarios and while using slower shutter speeds.
- Wi-Fi and Bluetooth Connectivity: Each camera has built-in Wi-Fi and Bluetooth capabilities, enabling wireless control and easy sharing of images and videos to mobile devices.
- Dual SD Card Slots: Both the a7III and a9 come with dual SD card slots, enhancing file storage flexibility and providing options for simultaneous backup or extended storage capacity.
- Weather-Sealing: They are both constructed with weather-sealed bodies, making them resistant to dust and moisture and suitable for use in various environmental conditions.
- Electronic Viewfinder: Each model features an OLED electronic viewfinder, providing a bright and clear view of the subject, which is critical for accurate framing and focusing.
- Tilting Touchscreen LCD: Both cameras boast a tilting touchscreen LCD that facilitates easier shooting at various angles and provides intuitive control over focus points and menu navigation.
- USB Charging and Power: They can be powered and charged via USB, a convenient feature for photographers on the go who might need to charge from portable power banks or other USB sources.
- Creative Styles and Picture Profiles: Both offer various creative styles and picture profiles, including S-Log and HLG (Hybrid Log Gamma), which give users considerable flexibility in how they capture and process images and videos.
Common Features
Feature | Sony A9 | Sony a7III |
Sensor Resolution | 24.2 MP full-frame CMOS | 24.2 MP full-frame CMOS |
4K Video Recording | Yes, up to 30 fps | Yes, up to 30 fps |
ISO Range | 100-51200 (expandable to 50-204800) | 100-51200 (expandable to 50-204800) |
Image Stabilization | 5-axis in-body stabilization | 5-axis in-body stabilization |
Wireless Connectivity | Wi-Fi, NFC, Bluetooth | Wi-Fi, NFC, Bluetooth |
Dual SD Card Slots | Yes | Yes |
Weather-Sealing | Yes | Yes |
Electronic Viewfinder | OLED electronic viewfinder | OLED electronic viewfinder |
Tilting Touchscreen LCD | Yes, tilting touchscreen LCD | Yes, tilting touchscreen LCD |
USB Charging | Yes | Yes |
Creative Styles and Picture Profiles | Includes S-Log and HLG | Includes S-Log and HLG |
Price | Check A9 Price | Check A7 III Price |
FAQ
What is the main difference in sensor technology between the Sony a7III and Sony a9? Can both the Sony a7III and Sony a9 record in 4K? What are the ISO ranges for the Sony a7III and Sony a9, and what does this mean for shooting in low light? Do the Sony a7III and Sony a9 both have in-body image stabilization? How do the autofocus systems of the Sony a7III and Sony a9 compare? Are the Sony a7III and Sony a9 good choices for professional photographers? What types of memory cards do the Sony a7III and Sony a9 support? Which camera is better for videography, the Sony a7III or the Sony a9? |