When it comes to professional Canon DSLRs, two models consistently dominate the conversation: the Canon 1DX Mark II and the 5D Mark IV. As a professional photographer who’s spent countless hours with both cameras, I can tell you that choosing between them isn’t just about specs—it’s about matching the right tool to your specific photography needs. The Canon 1DX Mark II is Canon’s flagship sports and action photography powerhouse, while the 5D Mark IV represents the perfect balance of versatility and performance for a wide range of photography disciplines. In this comprehensive comparison, I’ll break down every aspect of these cameras to help you make an informed decision about which one deserves a place in your camera bag.
Quick Overview: At a Glance Comparison
Before diving deep into the details, let’s look at how these two professional cameras stack up against each other at a glance:
| Feature | Canon 1DX Mark II | Canon 5D Mark IV |
|---|---|---|
| Sensor | 20.2MP Full-Frame CMOS | 30.4MP Full-Frame CMOS |
| Processor | Dual DIGIC 6+ | DIGIC 6+ |
| ISO Range | 100-51200 (Expandable to 50-409600) | 100-32000 (Expandable to 50-102400) |
| Autofocus | 61-point AF system (41 cross-type) | 61-point AF system (41 cross-type) |
| Continuous Shooting | 14 fps (16 fps in Live View) | 7 fps |
| Video | 4K at 60fps | 4K at 30fps |
| LCD Monitor | 3.2″ Fixed Touchscreen | 3.2″ Articulating Touchscreen |
| Battery Life | Approx. 1210 shots | Approx. 900 shots |
| Weight | 3.32 lbs (1.5 kg) | 1.74 lbs (0.79 kg) |
| Weather Sealing | Professional grade | Professional grade |
Target Audience: Who Are These Cameras For?
One of the most important distinctions between these cameras is who they’re designed for. I’ve used both extensively, and I can tell you that they cater to very different photography needs.
Canon 1DX Mark II: The Sports and Action Specialist
The Canon 1DX Mark II is built for speed and durability. When I’m shooting sports, wildlife, or fast-action events, this is the camera I reach for. It’s designed for professional photographers who need:
- Blazing fast continuous shooting speeds
- Superior autofocus tracking
- Rugged build that withstands harsh conditions
- Extended battery life for long shooting sessions
- Dual memory card slots for security and workflow efficiency
I discovered that the 1DX Mark II is the preferred choice for photojournalists, sports photographers, and wildlife photographers who can’t miss a moment.
Canon 5D Mark IV: The Versatile All-Rounder
The Canon 5D Mark IV, on the other hand, is the Swiss Army knife of professional cameras. It’s the camera I recommend to photographers who need versatility across multiple genres. It’s ideal for:
- Portrait photographers who need high resolution
- Wedding photographers who need reliability and excellent low-light performance
- Landscape photographers who benefit from the higher megapixel count
- Hybrid shooters who need strong photo and video capabilities
- Professional photographers who want a single camera that can handle everything
The 5D Mark IV strikes a balance between performance and portability that makes it appealing to a broader range of photographers.
Body and Build Quality
Canon 1DX Mark II: Built Like a Tank
When I first picked up the 1DX Mark II, I immediately noticed its substantial build. This camera is constructed with magnesium alloy and features extensive weather sealing. I’ve used it in rain, snow, and dusty environments without any issues.
The 1DX Mark II features:
- Integrated vertical grip with duplicate controls
- Extensive weather sealing at all joints, buttons, and compartments
- Reinforced lens mount
- Shutter durability rated for 400,000 cycles
- Weight of 3.32 lbs (1.5 kg) without lens
The integrated vertical grip is a significant advantage for portrait orientation shooting, but it does add considerable bulk and weight.
Canon 5D Mark IV: Professional Yet Portable
The 5D Mark IV also features a magnesium alloy body with professional weather sealing, but in a more compact package. At 1.74 lbs (0.79 kg), it’s significantly lighter than the 1DX Mark II.
The 5D Mark IV features:
- Magnesium alloy body with weather sealing
- Shutter durability rated for 150,000 cycles
- No integrated vertical grip (optional accessory available)
- More compact dimensions for easier portability
While the 5D Mark IV is well-built, it doesn’t quite match the ruggedness of the 1DX series. That said, I’ve used mine in challenging conditions without any problems.
Sensor and Image Quality
Canon 1DX Mark II: Speed Over Resolution
The 1DX Mark II features a 20.2MP full-frame CMOS sensor. While this might seem low by today’s standards, there’s a method to Canon’s design choices. The lower pixel count allows for:
- Larger individual pixels that gather more light
- Faster data readout speeds
- Better performance at high ISO settings
- Smaller file sizes that speed up workflow
In my experience, the 1DX Mark II produces excellent image quality with impressive dynamic range and color accuracy. The files are malleable in post-processing, and I’ve been able to recover significant shadow detail when needed.
Canon 5D Mark IV: The Resolution King
With its 30.4MP full-frame CMOS sensor, the 5D Mark IV offers significantly more resolution than the 1DX Mark II. This higher pixel count provides:
- More detail in images
- Greater cropping flexibility
- Larger print capabilities
- More discernible detail at 100% view
I’ve found that the 5D Mark IV produces exceptionally detailed images with beautiful color rendition. The higher resolution is particularly noticeable in landscape and portrait work where fine details matter.
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Real-World Image Quality Comparison
When I compare images from both cameras side by side at normal viewing sizes, the differences are subtle. However, when I examine files at 100% or make large prints, the distinctions become more apparent:
- The 5D Mark IV shows more fine detail in optimal lighting conditions
- The 1DX Mark II maintains better image quality at higher ISO settings
- Both cameras produce excellent color accuracy and dynamic range
- The 5D Mark IV files require more storage space and more processing power
For most applications, both cameras produce professional-grade image quality that will satisfy the most demanding photographers.
Autofocus Performance
Canon 1DX Mark II: The AF Champion
Autofocus is where the 1DX Mark II truly shines. Canon equipped this camera with their most advanced AF system, and it shows in real-world use. The 61-point AF system (with 41 cross-type points) is incredibly sophisticated.
What makes the 1DX Mark II’s AF system special:
- Improved low-light sensitivity (down to -3 EV)
- 21 cross-type points at f/8 (great for teleconverters)
- Advanced AI Servo AF III+ algorithm for better subject tracking
- Customizable AF case settings for different movement patterns
- 360,000-pixel RGB+IR metering sensor for better subject recognition
When I’m shooting sports or wildlife, the 1DX Mark II’s AF system is simply unmatched. It locks onto subjects quickly and tracks them with remarkable accuracy, even when they’re moving directly toward or away from the camera.
Canon 5D Mark IV: Excellent AF with Minor Limitations
The 5D Mark IV shares the same 61-point AF system as the 1DX Mark II, but with some differences:
- 61-point AF system (41 cross-type points)
- Low-light sensitivity down to -3 EV
- Dual Pixel CMOS AF for live view and video
- Only 1 cross-type point at f/8
- 150,000-pixel RGB+IR metering sensor
In practice, the 5D Mark IV’s AF system is excellent for most photography needs. It’s fast, accurate, and reliable. However, when I’m shooting fast-moving subjects, I notice that the 1DX Mark II has a slight edge in tracking performance, especially with subjects moving erratically.
Speed and Continuous Shooting
Canon 1DX Mark II: Built for Speed
This is where the 1DX Mark II leaves the 5D Mark IV in the dust. With a continuous shooting speed of 14 fps (16 fps in Live View with AF/AE tracking), the 1DX Mark II is a speed demon.
Key speed advantages:
- 14 fps with continuous AF/AE tracking through the viewfinder
- 16 fps in Live View with continuous AF/AE tracking
- Large buffer that allows for extended bursts
- Dual DIGIC 6+ processors that handle the data stream efficiently
When I’m shooting sports or wildlife, this speed advantage is critical. The ability to capture split-second moments can make the difference between getting the shot and missing it entirely.
Canon 5D Mark IV: Respectable but Not Remarkable
The 5D Mark IV offers 7 fps continuous shooting, which is respectable but not exceptional by today’s standards. For many types of photography, this is more than adequate, but it falls short for high-speed action.
Speed considerations:
- 7 fps continuous shooting
- Smaller buffer that fills more quickly
- Single DIGIC 6+ processor
For portrait, landscape, and wedding photography, I’ve found the 5D Mark IV’s speed to be perfectly adequate. However, when I’m shooting sports or fast-moving wildlife, I definitely miss the extra frames per second that the 1DX Mark II provides.
Low-Light Performance
Canon 1DX Mark II: The Low-Light Champion
The 1DX Mark II excels in low-light conditions, thanks to its larger pixels and advanced processing. With a native ISO range of 100-51200 (expandable to 50-409600), this camera can handle nearly any lighting situation.
Low-light advantages:
- Clean images at high ISO settings
- Better dynamic range retention in low light
- Improved AF performance in dim conditions
- Reduced noise at equivalent ISO settings compared to the 5D Mark IV
I’ve shot with the 1DX Mark II in dimly lit arenas, at dusk, and even in near-darkness, and I’m consistently amazed at the quality of the images it produces.
Canon 5D Mark IV: Good but Not Great
The 5D Mark IV has a native ISO range of 100-32000 (expandable to 50-102400). While this is impressive, it doesn’t quite match the 1DX Mark II’s low-light capabilities.
Low-light considerations:
- More noise at equivalent ISO settings compared to the 1DX Mark II
- Slightly less dynamic range in challenging light
- Still excellent performance up to ISO 6400
For most low-light situations, the 5D Mark IV performs admirably. I’ve used it for indoor events, night landscapes, and dimly lit portraits with excellent results. However, when I’m shooting in extremely challenging light, the 1DX Mark II is my go-to camera.
Video Capabilities
Canon 1DX Mark II: The Pro Video Option
The 1DX Mark II offers impressive video capabilities for a DSLR:
- 4K video at 60fps (1:1 crop without pixel binning)
- 1080p at 120fps for slow motion
- Clean HDMI output
- Headphone and microphone jacks
- Canon Log gamma available via firmware update
I’ve used the 1DX Mark II for professional video work, and it delivers excellent quality. The 4K at 60fps is particularly impressive and provides a lot of flexibility in post-production.
Canon 5D Mark IV: The Hybrid Shooter’s Choice
The 5D Mark IV is also capable of high-quality video:
- 4K video at 30fps (with 1.74x crop factor)
- 1080p at 60fps
- Dual Pixel CMOS AF for smooth autofocus during video
- Touchscreen focus pull capability
- Articulating screen for easier video framing
For most video work, the 5D Mark IV is more user-friendly, thanks to its articulating screen and Dual Pixel CMOS AF. However, the 1DX Mark II’s 4K 60fps capability and lack of crop factor make it the better choice for serious video work.
Battery Life and Storage
Canon 1DX Mark II: Power for the Long Haul
The 1DX Mark II uses the LP-E19 battery, which is significantly larger than the one in the 5D Mark IV. This translates to impressive battery life:
- Approximately 1210 shots per charge (CIPA standard)
- Better performance in cold weather
- Faster charging time
The 1DX Mark II also features dual CFast 2.0 card slots, which provide extremely fast write speeds—essential for the camera’s high-speed burst capabilities.
Canon 5D Mark IV: Adequate but Not Exceptional
The 5D Mark IV uses the LP-E6N battery, which is common across many Canon DSLRs:
- Approximately 900 shots per charge (CIPA standard)
- Widely available and affordable
- Compatible with many third-party options
The 5D Mark IV features one CFast 2.0 slot and one SD card slot, providing flexibility but not the same level of performance as the dual CFast setup in the 1DX Mark II.
Ergonomics and Handling
Canon 1DX Mark II: Substantial and Secure
The 1DX Mark II is a large, heavy camera with a substantial grip. The integrated vertical grip provides excellent balance when shooting with large telephoto lenses.
Ergonomic features:
- Deep, comfortable grip
- Intuitive control layout
- Dual control dials and multi-controllers
- Excellent balance with heavy lenses
- Joystick controller for quick AF point selection
When I’m shooting for extended periods, the 1DX Mark II’s ergonomics reduce fatigue, despite its weight. The controls are well-placed and customizable, allowing me to adapt the camera to my shooting style.
Canon 5D Mark IV: Compact and Comfortable
The 5D Mark IV is significantly smaller and lighter than the 1DX Mark II, making it more portable and less fatiguing to carry for extended periods.
Ergonomic features:
- Comfortable grip suitable for various hand sizes
- Well-organized control layout
- Touchscreen interface for intuitive operation
- Articulating screen for creative angles
- Lighter weight for easier portability
For travel and everyday shooting, I prefer the 5D Mark IV’s more compact size. It’s less obtrusive and easier to handle in tight spaces.
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Price and Value
Canon 1DX Mark II: Premium Investment
The Canon 1DX Mark II is a premium camera with a price to match. At launch, it retailed for around $5,999. While prices have decreased since then, it remains a significant investment.
Value considerations:
- Highest build quality in Canon’s DSLR lineup
- Unmatched speed and autofocus performance
- Excellent low-light capabilities
- Designed for professional use with long-term durability
For professional sports, wildlife, and action photographers, the 1DX Mark II’s price is justified by its performance and reliability.
Canon 5D Mark IV: The Value Leader
The Canon 5D Mark IV launched at around $3,499, making it significantly more affordable than the 1DX Mark II. Current prices have made it even more accessible.
Value considerations:
- Excellent all-around performance
- High resolution for detailed images
- Good balance of features and price
- Broad appeal across photography genres
For most photographers, the 5D Mark IV offers better value, providing professional-level performance at a more accessible price point.
Sample Images Comparison
Having shot extensively with both cameras, I can share some observations about their real-world image quality:
Canon 1DX Mark II Sample Observations:
- Exceptional action shots with perfect focus
- Impressive low-light performance with clean high ISO images
- Beautiful color rendition, especially for skin tones
- Slightly less resolution but excellent detail when properly focused
Canon 5D Mark IV Sample Observations:
- Incredible detail in landscape and portrait shots
- Beautiful dynamic range with good shadow recovery
- Slightly more noise at equivalent ISO settings
- More flexibility for cropping due to higher resolution
When I’ve printed images from both cameras at standard sizes (up to 20×30 inches), both produce excellent results. The differences become more apparent when making very large prints or examining files at 100% on screen.
Pros and Cons of Each Camera
Canon 1DX Mark II
Pros:
- Unmatched speed and continuous shooting
- Superior autofocus tracking
- Excellent low-light performance
- Rugged, professional build quality
- Integrated vertical grip
- Impressive battery life
- 4K video at 60fps without crop
Cons:
- Heavy and bulky
- Lower resolution (20.2MP)
- Expensive
- Fixed LCD screen
- Overkill for many photography genres
Canon 5D Mark IV
Pros:
- Excellent image quality with high resolution (30.4MP)
- More compact and portable
- Better value for money
- Articulating touchscreen LCD
- Versatile performance across multiple genres
- Dual Pixel CMOS AF for smooth video autofocus
- More accessible price point
Cons:
- Slower continuous shooting (7 fps)
- Not as rugged as the 1DX Mark II
- Shorter battery life
- 4K video has significant crop factor
- Less effective AF tracking for fast action
Which One Should You Buy?
After using both cameras extensively, I can offer some guidance on which camera might be right for you:
Choose the Canon 1DX Mark II if:
- You primarily shoot sports, wildlife, or action photography
- You need the fastest possible continuous shooting
- You frequently shoot in challenging low-light conditions
- You need the most rugged, durable camera available
- You shoot both photos and professional video
- Budget is not your primary concern
Choose the Canon 5D Mark IV if:
- You shoot a variety of genres (portraits, weddings, landscapes)
- You need high resolution for detailed images or large prints
- You value portability and lighter weight
- You’re on a more limited budget
- You want a single camera that can handle most situations
- You shoot both photos and video but don’t need 4K 60fps
FAQ
Is the Canon 1DX Mark II worth the extra money over the 5D Mark IV?
For sports, wildlife, and action photographers, the 1DX Mark II’s superior autofocus, speed, and low-light performance justify the extra cost. However, for portrait, wedding, and landscape photographers, the 5D Mark IV offers better value with its higher resolution and lower price point.
Which camera has better image quality?
Both cameras produce excellent image quality, but in different ways. The 5D Mark IV offers higher resolution and more detail in optimal lighting conditions, while the 1DX Mark II maintains better quality at high ISO settings and has a slight edge in dynamic range in challenging light.
Can the 5D Mark IV be used for sports photography?
Yes, the 5D Mark IV can be used for sports photography, especially at lower levels or when portability is a priority. However, for professional sports photography, the 1DX Mark II’s superior autofocus tracking and faster continuous shooting make it the better choice.
Which camera is better for video?
The 1DX Mark II offers 4K at 60fps without a crop factor, making it technically superior for video. However, the 5D Mark IV’s Dual Pixel CMOS AF and articulating screen make it more user-friendly for most video applications.
How do the cameras compare in terms of low-light performance?
The 1DX Mark II has better low-light performance, with cleaner images at equivalent ISO settings and better autofocus capabilities in dim conditions. This is due to its larger pixels and more advanced processing.
Conclusion
After spending countless hours with both the Canon 1DX Mark II and the 5D Mark IV, I can confidently say that both are exceptional cameras that serve different purposes in the professional photography world.
The Canon 1DX Mark II is the undisputed champion for speed, autofocus tracking, and low-light performance. If you’re a sports, wildlife, or action photographer who needs to capture split-second moments in challenging conditions, the 1DX Mark II is worth every penny.
The Canon 5D Mark IV, on the other hand, is the versatile all-rounder that excels in nearly every photography genre. With its higher resolution, more compact size, and lower price point, it’s the perfect choice for portrait, wedding, and landscape photographers who need a single camera that can handle anything.
Ultimately, the right choice depends on your specific needs as a photographer. Consider what type of photography you primarily shoot, your budget, and your priorities in terms of features and performance. Both cameras are capable of producing stunning images that will satisfy the most demanding photographers.