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Nikon Z6 vs Sony a7R IV Comparison

Storage & Battery

Nikon Z6

Nikon Z6 camera image

Sony a7R IV

Sony a7R IV
Nikon Z6
Sony a7R IV
a7R IV
Refers to the year this camera was officially made available for sale.
Announcement Date
Refers to the date the manufacturer publicly announced the upcoming release and general specs of this camera.
August 23, 2018
July 16, 2019
Camera Type
Camera Size
Camera Weight

The Sony a7R IV outperforms the Nikon Z6 with a score of 84/100 compared to 81/100. Both cameras are mirrorless, released a year apart, with the Nikon Z6 in 2018 and the Sony a7R IV in 2019. They share similar sizes and weights, with the Sony a7R IV being slightly smaller and lighter.

The Sony a7R IV justifies its higher score with a higher launch price of $3500, offering superior performance and features. On the other hand, the Nikon Z6, priced at $2000, provides great value for its price, making it a more budget-friendly option.

In this comparison, the Sony a7R IV emerges as the better camera due to its higher score, while the Nikon Z6 remains a solid choice for those seeking a more affordable option.

Nikon Z6 vs Sony a7R IV Overview and Optics

The Sony a7R IV wins the optics comparison with a score of 85/100, while the Nikon Z6 scores 83/100. Both cameras share several specifications, such as a CMOS sensor, full-frame sensor size, and image stabilization. They also have their respective lens mounts: Nikon Z for the Z6 and Sony FE for the a7R IV.

The Sony a7R IV outperforms the Nikon Z6 in terms of megapixels and sensor quality. With a staggering 61.2 megapixels, the a7R IV captures highly detailed images, while the Z6 has 24.5 megapixels. The a7R IV’s DXOMARK sensor score is 99, which is higher than the Z6’s score of 95. These factors contribute to the a7R IV’s superior image quality.

On the other hand, the Nikon Z6 has a faster shooting speed of 12 frames per second (fps), compared to the a7R IV’s 10 fps. This makes the Z6 more suitable for capturing fast-moving subjects and action photography. Additionally, the Z6 uses the Expeed 6 processor, while the a7R IV uses the Bionz X processor. However, the difference in processors does not significantly impact the optics performance of these cameras.

In terms of optics, the Sony a7R IV excels due to its higher megapixels and sensor performance, making it ideal for photographers seeking the best image quality possible. The Nikon Z6, while slightly inferior in optics, offers a faster shooting speed that may appeal to those who prioritize capturing fast-paced action. Both cameras are strong contenders in their respective areas, and the choice ultimately depends on the photographer’s preferences and needs.

The higher the number of megapixels, the more detail the cameras sensor can capture.
24.5 MP
61.2 MP
Image Resolution
Image resolution is measured in pixels and megapixels, width by height. The higher the number, the higher its resolution.
6048 x 4024 px
9504 x 6336 px
Sensor Type
The camera sensor captures light and records the image. Sensors vary in physical size, the number of pixels, and quality.
Sensor Size
The sensor size contributes to the overall quality as well as the dynamic and tonal range a camera can capture. As a rule of thumb, the more surface there is to read the light, the more information it will capture.
23.9 x 35.9 mm
23.8 x 35.7 mm
Sensor Format
Refers to the most commonly used sensor sizes.
Full Frame
Full Frame
Frame Rate
The number of sequential frames per second the camera can write to the memory card when shooting in burst or continuous mode.
12 fps
10 fps
Lens Mount
The lens mount will tell you what type of lens range you can fit onto the camera body. Often the same camera company will have different lens ranges for different cameras.
Nikon Z
Sony FE
Image Processor
The image processor in the camera converts the information collected on the sensor for digital storage on the memory card.
Expeed 6
Bionz X
Aspect Ratio
The aspect ratio refers to the proportional difference between width and height. The most popular aspect ratios are 3:2 and 4:3.
Minimum ISO (Native)
Refers to the lowest native (or 'base') ISO setting. Lower ISO are less sensitive to light but make a cleaner image.
Maximum ISO (Native)
Refers to the highest native (or 'base') ISO setting. Higher ISO is necessary for low-light situations or night photography, but higher ISOs often introduce grain or noise.
Minimum ISO (Expanded)
Expanded (or extended) ISO is a digitally enhanced feature available on some cameras. It allows you to push beyond the native ISO range if necessary.
Maximum ISO (Expanded)
Expanded (or extended) ISO is a digitally enhanced feature available on some cameras. It allows you to push beyond the native ISO range if necessary.
Minimum Shutter Speed
The minimum shutter speed will tell you the longest exposure your camera can take without using an external accessory.
30 s
30 s
Maximum Shutter Speed
The maximum shutter speed tells you the length inside 1 second the camera will capture. These can sometimes be extended with accessories such as extra external batteries.
1/ 8000 s
1/ 8000 s
Autofocus Points
Autofocus points show where the camera is focusing graphically as squares or brackets in Live View or on an electronic viewfinder. These points are also used for light meter readings.
In-body Stabilization
In-body Stabilization means the camera has a certain technology embedded that counteracts camera shake.
Viewfinder Type
The viewfinder type is either electronic or optical. Electronic viewfinders will have a small screen in the viewfinder. Optical viewfinders will use prisms and mirrors to look through the lens.
Viewfinder Resolution
3,690,000 dots
5,760,000 dots

Nikon Z6 vs Sony a7R IV Video Performance

The Nikon Z6 outperforms the Sony a7R IV in video capabilities, with a video score of 83/100 compared to the Sony’s 70/100. Both cameras share common specifications, such as 4K max video resolution and 3840 x 2160 max video dimensions. Additionally, they both have built-in time-lapse functionality.

The Nikon Z6 excels in its video frame rate, offering 60fps, which is double the Sony a7R IV’s 30fps. This higher frame rate results in smoother video playback and provides more flexibility for slow-motion footage. The Z6’s superior video performance is evident in its 13-point higher score, making it a more suitable choice for videographers and content creators.

While the Sony a7R IV falls short in video frame rate, it still offers quality video capabilities. Its 4K resolution and built-in time-lapse functionality make it a viable option for those who prioritize photography but also want the flexibility to capture video. However, for users focused on videography, the Nikon Z6 is the clear winner.

Considering the differences in video capabilities, the Nikon Z6 is the better choice for videographers and those who require higher frame rates. The Sony a7R IV, while not as strong in video performance, remains a suitable option for those who want both photography and video features. Ultimately, the choice depends on the user’s priorities and preferences in their camera’s capabilities.

Indicates if this camera is capable of recording video.
Max Video Resolution
The best resolution this camera can capture video in. Modern cameras can capture up to 8K video.
Max Video Dimensions
Video resolution measured by the greatest number of pixels possible in each frame, width by height. A higher resolution means more detail or clarity in your video.
3840 x 2160 px
3840 x 2160 px
Max Video Frame Rate
How many frames per second your video will capture. Most cameras have options for multiple frame rates, depending on the resolution you shoot in. For a general video, 24p or 30p is the standard, but more serious filmmakers may need a higher frame rate for creative effect.
60 p
30 p
Time-Lapse Built In
A built in time-lapse mode will allow continuous shooting throughout a prolonged period of time to be compressed into a sped up video.
Video File Format
Different cameras can record in various video file formats. The File format you record in can impact how you edit and use the files.
XAVC S, AVCHD Ver. 2.0, MP4

Nikon Z6 vs Sony a7R IV Features and Benefits

The Nikon Z6 emerges as the winner in the features comparison with a score of 87/100, while the Sony a7R IV scores 83/100. Both cameras share several specifications, such as touchscreen capability, absence of GPS, and the presence of WIFI and Bluetooth connectivity.

The Nikon Z6 surpasses the Sony a7R IV in terms of screen size and resolution, boasting a 3.2-inch screen with 2,100,000 dots. This larger and higher-resolution screen provides a clearer and more detailed view of images and menus, enhancing the overall user experience.

On the other hand, the Sony a7R IV has a unique advantage with its flip screen feature, which is absent in the Nikon Z6. This flip screen allows for easier composition and shooting from various angles, making it more versatile for photographers who need flexibility in their shooting positions.

Despite the advantage of the flip screen, the Nikon Z6’s larger screen size and higher resolution make it the better camera in terms of features. The Sony a7R IV’s flip screen is a useful addition, but it does not outweigh the benefits provided by the Nikon Z6’s superior screen specifications.

Therefore, the Nikon Z6 stands out as the superior camera in this comparison, offering a better viewing experience and overall feature set. The Sony a7R IV, while still a strong contender, falls slightly short in comparison due to its smaller screen size and lower resolution.

Built-in Flash
A built-in flash will often be positioned right above the lens. This will automatically pop up when you activate it.
External Flash
External flashes are often connected through a hot shoe at the top of a camera, or a cable at the side of the camera.
GPS features in a camera will include location metadata to each of your photographs.
Weather Sealing
Weather sealing capabilities will give you more confidence when shooting in unfavourable conditions.
Screen Type
Touch Screen
Touchscreen allows you to change camera settings and access menus with a swipe of your finger, instead of using buttons.
Screen Size
Screen Resolution
Screen dots indicate the resolution of the LCD screen by including each sub pixel.
2,100,000 dots
1,440,000 dots
Flip Screen
A flip screen (or articulating screen) is a second screen which can flip out from the side or top of the camera. This rotating screen allows you more freedom to take photos at different angles.
Live View
Live View feature allows you to see a continuous live video of what is being seen through your lens.
Bluetooth capabilities allow you wireless control of your camera with other external devices.

Nikon Z6 vs Sony a7R IV Storage and Battery

The Sony a7R IV outperforms the Nikon Z6 in storage and battery with a score of 79/100 compared to the Z6’s 35/100. Both cameras have USB charging capabilities, allowing for convenient power management.

The a7R IV’s advantages include two memory card slots and compatibility with SD, SDHC, and SDXC (UHS-II) cards. This versatility offers more storage options and backup possibilities. Additionally, the a7R IV boasts a battery life of 670 shots, significantly longer than the Z6’s 310 shots, thanks to its NP-FZ100 battery.

The Nikon Z6, on the other hand, has only one memory card slot and accepts XQD cards. While this limits storage expansion, XQD cards provide faster read and write speeds. The Z6’s EN-EL15b battery, however, falls short in comparison to the a7R IV’s battery life.

Taking these factors into account, the Sony a7R IV emerges as the superior choice for storage and battery performance, offering greater flexibility and longevity. The Nikon Z6’s advantage lies in the speed of its XQD cards, but it does not outweigh the benefits provided by the a7R IV.

Storage and Battery
Storage and Battery
Memory Card
SD / SDHC / SDXC (UHS-II compatible)
Dual Memory Card Slots
Battery Type
Battery Life
Approximately how long this cameras battery will last measured by how many photographs you will be able to take.
310 shots
670 shots
USB Charging
Sensor scores tested by DXOMARK
Overall Score
DXOMARK overall sensor score.
Portrait (Color Depth)
As described by DXOMARK 'The Portrait score in our camera sensor reviews defines color depth performance and its unit is a number of bits. A color depth of 22 bits is excellent; differences below 1 bit are barely noticeable.'
25.3 bits
26 bits
Landscape (Dynamic Range)
As described by DXOMARK 'The Landscape score in our camera sensor tests defines the maximum dynamic range of the camera sensor and its unit is an exposure value (EV). A value of 12 EV is excellent with differences below 0.5 EV usually not noticeable.'
14.3 EVs
14.8 EVs
Sports (Low-Light ISO)
Described by DXOMARK as 'The maximal value of ISO sensitivity needed to reach a given value of Signal-to-Noise Ratio (SNR). The greater the value, the better'

Nikon Z6 vs Sony a7R IV – Our Verdict

Nikon Z6 vs Sony a7R IV Comparison image.

Are you still undecided about which camera is right for you? Have a look at these popular comparisons that feature the Nikon Z6 or the Sony a7R IV:

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