Canon R5 vs Sony A7R IV: Which Should You Choose?

The Canon R5 and Sony A7R IV represent two flagship high-resolution mirrorless cameras from their respective manufacturers. 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: Note that the Canon R5 has been succeeded by the R5 Mark II, which offers enhanced features like 8K 60p video and improved processing power. However, the original R5 remains a compelling choice if you need advanced video capabilities including 8K recording, superior autofocus performance, and faster continuous shooting speeds. Pick the Sony A7R IV if you prioritize maximum resolution with its 61MP sensor and want proven Sony color science and dynamic range performance.
Table of Contents
Understanding The Differences Of The R5 & A7R IV Cameras
When choosing between the R5 and A7R IV, you’re selecting between two professional-grade high-resolution cameras that excel in different areas. Both models feature impressive image quality, professional autofocus capabilities, and advanced image stabilization systems in weather-sealed bodies.
Key Differences at a Glance:
- 45MP CMOS sensor
- 8K 30p RAW video
- Dual Pixel CMOS AF II
- Up to 20fps electronic shutter
- Advanced subject detection
- 5.76M-dot EVF
- Dual card slots (CFexpress + SD)
- Up to 8 stops IBIS
- 61MP BSI CMOS sensor
- 4K 30p video
- 567 phase-detect AF points
- Up to 10fps continuous shooting
- Real-time tracking AF
- 5.76M-dot EVF
- Dual UHS-II SD card slots
- 5.5 stops IBIS
Perfect For:
R5 → Hybrid shooters, wildlife photography, sports photography, professional video work
A7R IV → Studio photography, landscape photography, commercial work, high-detail capture
💡 Pro Tip: While the A7R IV offers higher resolution, the R5’s more versatile feature set and advanced video capabilities make it a more well-rounded choice for hybrid shooters. For the latest Canon technology, consider the R5 Mark II.
What They Share:
- Professional-grade build quality
- Weather sealing
- In-body image stabilization
- Dual card slots
- High-resolution EVF
- Advanced Eye AF systems
- USB-C connectivity
- Wi-Fi and Bluetooth
💬 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 Canon cameras →
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
Feature | Canon R5 | Sony A7R IV |
---|---|---|
Sensor Resolution | 45MP CMOS | 61MP BSI CMOS |
Image Processor | DIGIC X | BIONZ X |
ISO Range | 100-51,200 (exp. to 102,400) | 100-32,000 (exp. to 102,400) |
Max Video Resolution | 8K RAW 30p | 4K 30p |
EVF Resolution | 5.76M dots | 5.76M dots |
LCD Screen | 3.2″ Vari-angle Touch (2.1M dots) | 3.0″ Tilting Touch (1.44M dots) |
Max Frame Rate (E-shutter) | 20 fps | 10 fps |
Max Frame Rate (Mechanical) | 12 fps | 10 fps |
Buffer (RAW) | 180 shots (CFexpress) | 68 shots (UHS-II) |
Card Slots | 1x CFexpress + 1x SD UHS-II | 2x SD UHS-II |
IBIS Rating | Up to 8 stops | Up to 5.5 stops |
Weather Sealing | Yes | Yes |
When comparing these specifications, it’s important to understand how they translate to real-world photography scenarios. The Canon R5 and Sony A7R IV each have distinct advantages that cater to different types of photographers.
Understanding the Real-World Impact
These specifications translate into practical differences that affect your shooting experience:
Speed & Performance:
- R5’s faster frame rates excel for action and sports
- A7R IV’s higher resolution ideal for studio and landscape
- R5’s deeper buffer handles longer burst sequences
- A7R IV’s dual SD slots offer simplified workflow
Video Capabilities:
- R5 offers 8K RAW recording capability
- Both cameras provide professional 4K options
- R5 features advanced heat management
- A7R IV offers efficient 4K oversampling
The real-world implications of these specifications become particularly apparent when using these cameras in professional environments. While both cameras are highly capable, their strengths align with different shooting scenarios.
💡 Pro Tip: The R5’s CFexpress card slot enables faster buffer clearing and higher sustained write speeds, making it particularly valuable for sports and wildlife photography where you need to capture long sequences of action.
For photographers considering these advanced features, it’s essential to understand how they translate to different shooting scenarios. Both cameras excel in their respective specialties, making them valuable tools for specific types of photography.
High-Resolution Applications (A7R IV Advantage):
- Studio portraiture
- Commercial photography
- Landscape photography
- Architecture photography
Speed Applications (R5 Advantage):
- Sports photography
- Wildlife photography
- Event coverage
- Action sequences
For a deeper look at how these cameras perform in specific shooting scenarios, explore our detailed guides on Canon cameras for wildlife photography and Sony cameras for portrait photography.
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
Canon R5 Video Features:
- 8K RAW 30p internal recording
- 4K 120p for slow motion
- Cinema RAW Light option
- Full-width 4K up to 60p
- 10-bit 4:2:2 internal recording
- C-Log and HDR PQ
- External recording via HDMI
- Basic heat management system
Sony A7R IV Video Features:
- 4K 30p from full width
- 4K 30p Super 35 crop mode
- S-Log2 and S-Log3
- Full HD 120p
- 8-bit internal recording
- Clean HDMI output
- Hybrid Log Gamma
- Efficient heat management
Both cameras offer professional-grade video features, though they target different levels of video production.
💡 Pro Tip: The R5’s 8K video capabilities provide more flexibility in post-production, allowing for cropping and reframing while maintaining 4K output quality.
Shared Professional Features
Both cameras include professional-grade features essential for demanding work:
- Advanced autofocus systems
- In-body image stabilization
- Professional-grade weather sealing
- Full-frame sensor benefits
- High-speed continuous shooting
- Dual memory card slots
- USB-C connectivity
- Wi-Fi and Bluetooth
Autofocus Capabilities
Canon R5 Advantages:
- Dual Pixel CMOS AF II system
- 1,053 AF zones
- Advanced subject tracking
- Animal eye AF (including birds)
- -6 EV low-light focusing
- 100% frame coverage
- Vehicle tracking
- Responsive touch tracking
Sony A7R IV Features:
- 567 phase-detect AF points
- Real-time tracking
- Real-time Eye AF
- Animal eye detection
- -3 EV low-light focusing
- 74% frame coverage
- Advanced face detection
- Touch subject tracking
💡 Pro Tip: While both cameras offer excellent autofocus capabilities, the R5’s more advanced subject detection and tracking make it particularly effective for wildlife and action photography.
Continuous Shooting
Let’s examine the high-speed capabilities of both cameras:
High-Speed Performance:
- R5: Up to 20 fps electronic / 12 fps mechanical
- A7R IV: Up to 10 fps electronic and mechanical
Buffer Performance:
- R5: 180 RAW images (CFexpress)
- A7R IV: 68 RAW images (UHS-II)
Real-World Performance
R5 Excels At:
- Fast-paced sports photography
- Wildlife action shooting
- Event coverage
- Hybrid photo/video work
- Low-light situations
A7R IV Shines In:
- Studio photography
- Landscape photography
- Commercial work
- Portrait sessions
- Architecture photography
For more specific insights on how these cameras perform in different photography genres, check out our guides on Canon cameras for wildlife photography and Sony cameras for portrait photography.
Image Quality

Let’s explore how these cameras differ in image quality, examining their respective strengths in various shooting scenarios.
Resolution Comparison
Canon R5 Resolution Benefits (45MP):
- Professional-grade resolution
- Excellent detail retention
- Strong dynamic range
- Proven image quality
- Efficient file sizes
- Optimal balance of detail and speed
Sony A7R IV Resolution Advantages (61MP):
- Industry-leading resolution
- Exceptional fine detail
- Class-leading dynamic range
- Excellent cropping flexibility
- Superior landscape detail
- Maximum commercial quality
💡 Pro Tip: While the A7R IV offers higher resolution, consider whether you need the extra detail – the R5’s 45MP provides ample resolution for most professional applications while maintaining better high-ISO performance and smaller file sizes.
Low Light Performance
Let’s examine how these cameras perform in challenging lighting conditions:
Real-World ISO Performance:
Canon R5 advantages:
- Cleaner high ISO performance
- Strong noise control up to ISO 6400
- Excellent shadow recovery
- Consistent color at high ISOs
- Better low-light autofocus
Sony A7R IV capabilities:
- Good noise control up to ISO 3200
- Excellent base ISO dynamic range
- Strong shadow detail
- Industry-leading dynamic range
- Reliable color reproduction
Practical Image Quality Applications:
R5 Excels In:
- Event photography
- Wedding receptions
- Indoor sports
- Concert photography
- Documentary work
A7R IV Shines In:
- Landscape photography
- Studio portraiture
- Product photography
- Fine art photography
- Architecture
For detailed examples of these cameras in action, visit our guides on Canon cameras for portraits and Sony cameras for landscape photography.
Build & Design

These professional-grade cameras each offer robust construction and thoughtful design elements that cater to demanding photographers.
Control Layout
Canon R5 Features:
- 3.2-inch vari-angle touchscreen
- 5.76M dot EVF (0.76x magnification)
- Top LCD panel
- Multi-function bar
- Customizable AF-ON button
- Twin control dials
- Multi-controller joystick
- Ergonomic grip design
Sony A7R IV Features:
- 3.0-inch tilting touchscreen
- 5.76M dot EVF (0.78x magnification)
- Exposure compensation dial
- Custom function buttons
- AF joystick
- Dual control dials
- Improved grip design
- Larger buttons
💡 Pro Tip: The R5’s fully articulating screen provides more flexibility for video and unusual shooting angles, while the A7R IV’s tilting screen offers quick access for standard photography.
Weather Sealing
Both cameras feature professional-grade weather sealing, though with different approaches:
Canon R5:
- Extensive weather sealing
- Magnesium alloy construction
- Sealed buttons and dials
- Protected card and battery doors
- Enhanced dust resistance
- -10°C operating temperature
Sony A7R IV:
- Upgraded weather resistance
- Full magnesium alloy body
- Improved port covers
- Enhanced button sealing
- Dust and moisture resistance
- Reinforced lens mount
Both cameras maintain robust build quality suitable for professional use in challenging conditions, making them reliable tools for outdoor photography. For more information about using these cameras in various conditions, check out our guides for wildlife photography and landscape photography.
Storage & Power

Understanding storage requirements and power management is crucial for professional work. Let’s examine how these cameras handle memory cards and battery life.
Memory Card Systems
Canon R5 Card Configuration:
- Slot 1: CFexpress Type B
- Slot 2: SD UHS-II
- Required CFexpress for 8K video
- High-speed buffer clearing
- Flexible recording options
Sony A7R IV Card Configuration:
- Dual UHS-II SD card slots
- Simultaneous recording
- Backup recording
- Sort by media type
- Relay recording
💡 Pro Tip: While the R5’s CFexpress card is essential for 8K video, both SD slots in the A7R IV offer a more cost-effective storage solution for still photography.
File Sizes & Storage Needs
R5 File Sizes:
- RAW: 45-55MB per file
- C-RAW: 30-35MB per file
- JPEG Large: 15-20MB per file
- 8K RAW video: 2.4GB/minute
A7R IV File Sizes:
- RAW: 60-70MB per file
- Compressed RAW: 35-40MB per file
- JPEG Large: 25-30MB per file
- 4K video: 600MB/minute
Storage Requirements for Common Scenarios:
Full-Day Event (3000 images):
- R5: 135-165GB (RAW)
- A7R IV: 180-210GB (RAW)
1-Hour Video Session:
- R5 8K: 144GB
- A7R IV 4K: 36GB
Battery Life
Canon R5:
- Up to 490 shots (LCD)
- Up to 320 shots (EVF)
- USB-C charging
- Battery grip option
- LP-E6NH battery
Sony A7R IV:
- Up to 670 shots (LCD)
- Up to 530 shots (EVF)
- USB-C charging
- Battery grip available
- NP-FZ100 battery
💡 Pro Tip: Both cameras support USB-C charging and can be powered while shooting. Consider a power bank for extended location shoots where changing batteries isn’t practical.
For more information about professional camera accessories and power solutions, visit our Canon cameras and Sony mirrorless cameras pages.
Who Should Choose Which Camera

Let’s break down which camera best suits different photography styles and professional needs.
The Canon R5 Photographer
Best For:
- Sports photographers needing fast frame rates
- Wildlife photographers requiring quick tracking
- Professional videographers wanting 8K
- Hybrid shooters need versatility
- Event photographers working in varied conditions
Key Advantages:
- Fast continuous shooting
- Superior autofocus tracking
- Advanced video capabilities
- Better high ISO performance
- Versatile vari-angle screen
The Sony A7R IV Photographer
Best For:
- Studio photographers
- Landscape photographers
- Commercial photographers
- Fine art photographers
- Architecture photographers
Key Advantages:
- Maximum resolution
- Superior dynamic range
- Proven colour science
- Simplified dual-card workflow
- Excellent battery life
Photography Style Breakdown
Wedding Photography:
- Recommended: Canon R5
- Why: Better low-light AF, faster shooting, superior hybrid capabilities
Sports/Wildlife:
- Recommended: Canon R5
- Why: Faster frame rates, better tracking, superior buffer capacity
Landscape:
- Recommended: Sony A7R IV
- Why: Higher resolution, better dynamic range, excellent detail retention
Commercial:
- Recommended: Sony A7R IV
- Why: Maximum resolution, superior detail, excellent colour accuracy
Video Production:
- Recommended: Canon R5
- Why: 8K capability, better AF tracking, superior video features
💡 Pro Tip: Consider your complete workflow when choosing. While the A7R IV offers higher resolution, the R5’s versatility may be more valuable for varied professional work.
For more detailed comparisons and recommendations, check out our guides for wedding photography and wildlife photography.
Making Your Final Decision

Choose the Canon R5 if you need:
- Faster continuous shooting
- Advanced video capabilities
- Superior autofocus tracking
- Better low-light performance
- Hybrid shooting versatility
- 8K video recording
- Vari-angle touchscreen
- Advanced subject detection
Choose the Sony A7R IV if you want:
- Maximum resolution
- Superior dynamic range
- Proven color science
- Dual UHS-II card slots
- Better battery life
- Studio/landscape focus
- Simplified workflow
- Maximum detail retention
💡 Pro Tip: Don’t just focus on specifications – consider your complete workflow, from shooting to delivery. While the A7R IV offers higher resolution, the R5’s versatility might better suit photographers who work across multiple genres.
Getting Support
Both cameras are supported by:
- Professional service programs
- Regular firmware updates
- Extensive lens lineups
- 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
Which camera has better autofocus?
The Canon R5 offers more advanced autofocus capabilities with better subject detection and tracking, particularly for wildlife and action photography.
Is the extra resolution of the A7R IV worth it?
For studio, landscape, and commercial photographers who need maximum detail, yes. For most other applications, the R5’s 45MP provides ample resolution while offering better all-round performance.
Which camera handles better for professional work?
Both cameras are professionally built, but the R5 offers a more versatile vari-angle screen and more customizable controls, while the A7R IV provides a more traditional photography-focused experience.
Can I use my existing lenses?
Both cameras can use adapted lenses from their respective DSLR systems. Canon RF lenses work natively with the R5, while Sony E-mount lenses work directly with the A7R IV.
Which has better video capabilities?
The Canon R5 offers more advanced video features, including 8K recording and better autofocus tracking, making it the superior choice for video work.
💡 Pro Tip: Consider renting both cameras for a weekend to test them in your typical shooting scenarios. This hands-on experience can be invaluable in making your final decision.
Both the Canon R5 and Sony A7R IV represent excellent choices in their respective niches. 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:
Buy The Canon EOS R5 or A7RIV
-
Canon EOS R5 Mark II – Body Only
£4,499.00 -
Sony A7R IV Digital Camera Body A7RM4 (ILCE-7RM4)
£2,999.00