
Sony A6400 Vs A7III – Check Which One Is Best & Why?
Sony A6400 & A7III 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 A7III rather than the Sony A6400.
Why Do I Recommend The Sony A7III?
- The Sony A7III features a full-frame sensor, which provides superior low-light performance, dynamic range, and shallow depth of field. On the other hand, the Sony A6400 has an APS-C sensor.
- Sony A7III’s 693 phase-detection points cover a larger area, providing better tracking for fast-moving subjects compared to Sony A6400’s 425 phase-detection points.
- It has a broader ISO range (100-51200, expandable to 50-204800) which provides superior performance in low-light conditions compared to the A6400 (100-32000).
- The Sony A7 III records 4K without cropping, ensuring high-quality footage, while the A6400 has a 1.5x crop in 4K mode.
- It features 5-axis in-body image stabilization for handheld shooting, while the A6400 lacks stabilization, relying on lens-based systems.
- The Sony A7 III offers 710 shots in a single charge for extended shooting sessions but the Sony A6400 can take upto 410 shots.
Maybe the Sony A6400 price can make you comfortable because it’s a little bit cheaper than the Sony A7III. 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 A7III | Sony A6400 |
Sensor Type | Full-frame CMOS sensor | APS-C CMOS sensor |
Sensor Size | 35.6 x 23.8 mm | 23.5 x 15.6 mm |
ISO Range (Native) | 100–51,200 | 100–32,000 |
Image Processor | BIONZ X with front-end LSI | BIONZ X |
Autofocus Points | 693 phase-detection | 425 phase-detection |
Autofocus Coverage | 93% of frame | Approx. 84% of frame |
Continuous Shooting | Up to 10 fps | Up to 11 fps |
Viewfinder Type | 2.36M-dot OLED EVF | 2.36M-dot OLED EVF |
Battery Life | 710 shots (LCD), 610 (viewfinder) | 410 shots (LCD), 360 (viewfinder) |
Video Recording | 4K at 30p (full-pixel readout) | 4K at 30p (1.5x crop) |
In-Body Stabilization | 5-axis in-body stabilization | None |
Card Slots | Dual SD card slots | Single SD card slot |
Build Material | Magnesium alloy | Magnesium alloy + plastic |
Weight | 650 g (body only) | 403 g (body only) |
Weather Sealing | Comprehensive sealing against dust/moisture | Less extensive weather sealing |
Custom Buttons | 4 customizable buttons | Limited customizable buttons |
Top Dial | Exposure compensation dial | No dedicated exposure compensation dial |
Headphone Jack | Yes | No |
Price | Check A7III Price | Check A6400 Price |
What Common Both Can Do?
- Megapixels and Image Quality: Both cameras feature 24.2 MP sensors, ensuring excellent image resolution suitable for most photography needs, from portraits to landscapes.
- Image Processor: The BIONZ X image processor in both cameras enables fast image processing and noise reduction, ensuring sharp and high-quality images even in challenging lighting conditions.
- ISO Sensitivity: Both models offer wide ISO ranges, making them capable of excellent low-light performance and delivering detailed images in various lighting environments.
- Video Resolution: Both cameras record 4K video at up to 30 frames per second, making them suitable for high-quality video recording for filmmakers and content creators.
- Autofocus Technology: With Real-Time Eye AF and Real-Time Tracking, both cameras excel in maintaining sharp focus on subjects, even in motion or unpredictable scenarios.
- Electronic Viewfinder (EVF): The 2.36M-dot OLED electronic viewfinder in both models provides a bright and detailed preview of images, aiding in precise composition and focus.
- LCD Screen Size: Both cameras are equipped with 3-inch LCD screens, offering a clear and functional interface for reviewing shots and navigating settings.
- Connectivity: Wi-Fi, Bluetooth, and NFC are integrated into both cameras, enabling seamless wireless transfer of photos and videos to devices, as well as remote control via apps.
- Lens Compatibility: Both support Sony’s E-mount lens system, providing access to a wide range of lenses for diverse photography styles and needs.
- Weather Sealing: Both cameras feature weather sealing, ensuring durability and resistance to dust and moisture in challenging outdoor conditions.
- Build Material: Both use magnesium alloy for their bodies, offering a lightweight yet durable construction for long-term use.
- Continuous Shooting: Both cameras support high-speed burst modes, making them ideal for action photography, sports, and wildlife.
- External Flash Compatibility: Both models allow the use of external flashes, expanding creative possibilities for lighting in photography.
Common Features
Feature | Sony A7III | Sony A6400 |
Megapixels | 24.2 MP | 24.2 MP |
Image Processor | BIONZ X | BIONZ X |
ISO Sensitivity | Wide range | Wide range |
Video Resolution | 4K UHD at up to 30p | 4K UHD at up to 30p |
Autofocus Technology | Real-Time Eye AF and Tracking | Real-Time Eye AF and Tracking |
Electronic Viewfinder | 2.36M-dot OLED EVF | 2.36M-dot OLED EVF |
LCD Screen Size | 3 inches | 3 inches |
Connectivity | Wi-Fi, Bluetooth, and NFC | Wi-Fi, Bluetooth, and NFC |
Lens Compatibility | E-mount lenses supported | E-mount lenses supported |
Weather Sealing | Yes | Yes |
Build Material | Magnesium alloy | Magnesium alloy |
Continuous Shooting | High-speed burst modes available | High-speed burst modes available |
Flash | External flash compatibility | External flash compatibility |
Price | Check A7III Price | Check A6400 Price |
FAQ
Q1: Are the Sony A7 III and A6400 suitable for professional use? Q2: Do both cameras support 4K video recording? Q3: Is there a significant difference in autofocus performance between the two cameras? Q4: Which camera is more portable and travel-friendly? Q5: Do both cameras offer in-body stabilization? Q6: Can I use the same lenses on both cameras? Q7: Which camera has better battery life? Q8: Are both cameras weather-sealed? Q09: Do both cameras offer customizable buttons? |