Sony A6700 vs A6400: Which Should You Choose?

The Sony A6700 and A6400 represent two generations of Sony’s popular APS-C mirrorless cameras. As a camera store that’s helped countless photographers navigate these choices, we’ll guide you through the key differences to help you make an informed decision for your photography needs.

🎯 Quick Answer: Choose the A6700 if you need advanced AI autofocus capabilities, improved 4K video features with no recording limits, and the latest image processing. Pick the A6400 if you want a proven performer at a better value, with its reliable autofocus system and capable feature set still delivering excellent results for both photo and video work.

Understanding The Differences Of The A6700 & A6400 Cameras

When choosing between the A6700 and A6400, you select two versatile APS-C cameras that excel in stills and video. Both models feature impressive autofocus capabilities, strong video features, and compact form factors ideal for everyday shooting.

Key Differences at a Glance:

💡 Pro Tip: While the A6700 brings significant upgrades in video features and autofocus capabilities, the A6400’s proven autofocus system and image quality continue to deliver excellent results for most photography needs.

What They Share:

• 24.2MP APS-C sensor
• Fast continuous shooting
• Tilting touchscreen
• Weather-sealed design
• E-mount lens compatibility
• Real-time tracking AF
• Compact form factor

💬 Why Trust Us? At Campkins Cameras, we’ve helped countless photographers choose between these cameras and use them in real-world situations. Our insights come from hands-on experience and direct feedback from professional photographers.

Explore our full range of Sony cameras →

Core Specifications & Key Features

Understanding the technical differences between these cameras helps inform which one might better suit your needs. Let’s break down the key specifications and explore their real-world impact.

Key Specifications Compared

For photographers considering these advanced features, it’s important to understand how they translate to different shooting scenarios.

Understanding the Real-World Impact

These specifications translate into practical differences that affect your shooting experience:

💡 Pro Tip: The A6700’s improved heat management and unlimited recording times make it significantly more practical for long-form video content creation and professional video work.

Real-World Performance Impact

High-Speed Applications (Both Capable):

• Sports photography
• Wildlife action
• Street photography
• Event coverage

Studio Applications (A6700 Advantage):

• Video production
• Content creation
• Streaming
• Vlogging

For a deeper look at how these cameras perform in specific shooting scenarios, explore our detailed guides on Sony cameras for wildlife photography and best Sony cameras for video.

Key Features & Performance

Let’s dive into how these cameras perform in real-world shooting scenarios, examining their key features and capabilities in detail.

Video Features

💡 Pro Tip: The A6700’s 10-bit recording and focus breathing compensation make it significantly more practical for professional video production, especially when changing focus during shots.

Shared Professional Features

Both cameras include professional-grade features that serve photographers and videographers well:

• Fast Hybrid AF with Real-time tracking
• Real-time Eye AF (human/animal)
• Customizable function buttons
• Touch focus and tracking
• High-speed continuous shooting
• Weather-sealed construction
• E-mount lens compatibility

Autofocus Capabilities

Continuous Shooting

Both cameras offer capable continuous shooting capabilities, though with some key differences:

High-Speed Performance:

• A6700: Up to 11 fps mechanical shutter
• A6400: Up to 11 fps mechanical shutter

Buffer Performance:

• A6700: Approximately 50 RAW images
• A6400: Approximately 46 RAW images

Real-World Performance

For more specific insights on how these cameras perform in different photography genres, check out our guides on Sony cameras for street photography and Sony cameras for travel photography.

Image Quality

Let’s explore how these cameras differ in image quality, examining their respective strengths in various shooting scenarios.

Resolution Comparison

Low Light Performance

Let’s examine how these cameras perform in challenging lighting conditions:

💡 Pro Tip: While both cameras share similar ISO ranges, the A6700’s newer processor and improved algorithms provide cleaner high ISO images and better noise reduction in challenging light.

Real-World ISO Performance:

Practical Image Quality Applications

A6700 Excels In:

• Professional video work
• High-contrast scenes
• Mixed lighting conditions
• Night photography
• Indoor shooting

A6400 Shines In:

• General photography
• Daylight shooting
• Controlled lighting
• Standard dynamic range
• Everyday scenarios

For detailed examples of these cameras in action, visit our guides on Sony cameras for portrait photography and Sony cameras for beginners.

Build & Design

Let’s examine the physical differences and similarities between these two popular APS-C cameras.

Control Layout

Weather Sealing

Both cameras feature protective sealing against the elements:

• Dust and moisture-resistant construction
• Sealed buttons and dials
• Protected memory card door
• Robust port covers
• Magnesium alloy chassis

💡 Pro Tip: While both cameras offer weather sealing, the A6700’s improved sealing design provides extra confidence when shooting in challenging conditions.

Handling Characteristics:

Button Layout & Customization:

• Extensive button customization (A6700)
• Multi-function shoe compatibility
• Customizable AF-ON button
• Control dial configuration
• Quick menu access

Size & Weight Comparison:

• A6700: 396g (body only)
• A6400: 403g (body only)

For more information about camera accessories and handling, visit our guide on best Sony lenses for beginners.

Storage & Power

Let’s examine the memory card compatibility and power management features of these cameras.

Memory Card Systems

File Sizes & Storage Needs

A6700 File Sizes:

• RAW: 25-30MB per file
• JPEG (Fine): 8-12MB per file
• 4K 60p video: ~600MB/minute
• 10-bit 4K: ~750MB/minute

A6400 File Sizes:

• RAW: 23-28MB per file
• JPEG (Fine): 7-10MB per file
• 4K 30p video: ~375MB/minute
• 8-bit 4K: ~350MB/minute

💡 Pro Tip: The A6700’s UHS-II compatibility becomes especially important when shooting 10-bit 4K video or long bursts of action photography.

Storage Requirements for Common Scenarios:

Full-Day Event (2000 images):

• A6700: 50-60GB (RAW)
• A6400: 46-56GB (RAW)

1-Hour Video Session:

• A6700 4K 60p: ~36GB
• A6400 4K 30p: ~22GB

Battery Life

Battery Performance (NP-FZ100):

A6700:

• Up to 450 shots (LCD)
• Up to 410 shots (EVF)
• Approximately 110 mins video recording

A6400:

• Up to 410 shots (LCD)
• Up to 360 shots (EVF)
• Approximately 80 mins video recording

Power Management Features:

• USB-C charging capability
• External power support
• Power saving modes
• Battery percentage display
• In-camera charging

For more information about Sony camera accessories and power solutions, visit our Sony cameras guide.

Who Should Choose Which Camera

Let’s break down which camera best suits different photography styles and creative needs.

The A6700 Photographer

The A6400 Photographer

Best For:

• Photography enthusiasts
• Travel photographers
• Street photographers
• Casual videographers
• Budget-conscious creators
• Photography students

Key Advantages:

• Proven reliability
• Better value proposition
• Lighter weight
• Simpler menu system
• Lower memory card costs
• More affordable price point

Photography Style Breakdown

💡 Pro Tip: Consider your complete workflow when choosing. While both cameras offer excellent image quality, the A6700’s improved video features and latest AF technology may justify the investment for content creators and video shooters.

Real-World Considerations:

Budget Considerations:

• Memory card costs
• Storage requirements
• Additional batteries
• Lens investments

Workflow Impact:

• Video editing requirements
• File storage needs
• Post-processing demands
• Delivery requirements

For more detailed comparisons and recommendations, check out our guides for Sony cameras for wildlife photography and Sony cameras for sports photography.

Final Verdict

Let’s summarize the key points to help you make your final decision.

Making Your Final Decision

💡 Pro Tip: Don’t just focus on specifications – consider your complete workflow, from shooting to delivery. While the A6700 offers newer technology, the A6400 remains a highly capable camera for many photographers.

Getting Support

Both cameras are supported by:

• Sony Professional Services
• Regular firmware updates
• Extensive E-mount lens lineup
• Third-party accessories
• Professional repair services

At Campkins Cameras, we provide ongoing support and guidance for both cameras, ensuring you get the most from your investment.

Frequently Asked Questions

Both the Sony A6700 and A6400 represent excellent choices in Sony’s APS-C mirrorless lineup. Your decision should be based on your specific photography needs, workflow requirements, and budget considerations rather than purely technical specifications.

Visit our store to explore both cameras in person →