We compare the Nikon Z6 to the Sony Alpha A9: Which digital camera has the better sensor? Which has the better viewfinder or monitor? Which is faster?
Both cameras belong to the Mirrorless category.
Here are both models side by side. The Nikon Z6 is on the left, the Sony Alpha A9 on the right:
For a more detailed size comparison, see the section further down below.
Nikon Z6 vs Sony Alpha A9: Specifications at a glance
All specs: Main page for Z6
All specs: Main page for Alpha A9
Our advice: From our own experience, we recommend SanDisk memory cards. The SanDisk Extreme Pro is fast enough for high-speed image sequences and 4K video:
Z6 vs Alpha A9: The sensors
Both cameras use the same sensor format: Full frame. This infographic highlights the sensor areas of both models compared to other common sensor formats:
Note: 1-Euro coin for scale; the coin at 23.25mm diameter is slightly smaller than a US quarter.
The Full frame sensor built into both cameras has a total area of about 856mm² (33.7 sq.in.).
Z6 vs Alpha A9: The viewfinders
The Z6 uses an electronic viewfinder with a resolution of 3.68 megapixel. The magnifcation is c. 0.80x.
The Alpha A9 features an electronic viewfinder with a resolution of 3.68 megapixel and a magnification of around 0.78x.
This infographic illustrates the viewfinder magnifications of both cameras. The black area represents a magnification of 1x, corresponding to natural size; indicated in red is a magnification of 0.85x, the highest value in a any camera on the market today.
Alpha A9 (0.78x)
Advantage: Nikon Z6
Comparing features and further specs of both cameras, data for the Nikon Z6 on the left, the Sony Alpha A9 in the right column:
Advantage Nikon Z6...
(Point weight and unit, if applicable, in parentheses)
|Higher resolution (5, megapixel)||24.50||24.20|
|Better monitor (2, Megapixel)||2.10||1.44|
|USB 3.0 (2)|
Conclusion: Advantages of the Z6 are the higher resolution, that the display has a higher resolution and the support for USB 3.0. HArdly a luxury, given today's image size and the requirements of 4K video.
The Z6 scores 9 points.
...and here's where the Sony Alpha A9 has an edge...
(Point weight and unit, if applicable, in parentheses)
|Faster (4, frames/second)||12||20|
|More AF points (4)||273||693|
|Larger lens selection (3)||3||50|
|Longer battery life (3, photos)||330||650|
|More portable (2)||909cm³|
Conclusion: Advantages of the Alpha A9 are that the camera is faster, the faster and more accurate auto focus and the larger selection of lenses. We also like that the battery has more stamina and the more compact size.
Yields 16 points for the Alpha A9.
...and here's what both have in common
|Sensor format||Full frame||Full frame|
|Sensitivity||100 - 51200 ISO||100 - 51200 ISO|
|Video resolution||3840 x 2160||3840 x 2160|
|Almost equal weight||675g||673g|
Comparing the dimensions of both cameras; Nikon Z6 again on the left, Sony Alpha A9 on the right:
Front view of the Z6 and the Alpha A9...
...and here we see the Nikon and the Sony from above:
Comparing features and specifications of both cameras yields the following score:
Sony Alpha A9
CameraCreativ recommends the Sony Alpha A9.
Our rating of the Nikon Z6
|No rating available.|
Our rating of the Sony Alpha A9
Sony's Alpha A9, new in 2017, redefines the professional digital camera. Featuring a full format sensor and state-of-the art autofocus, the A9 goes head-on against established DSLR workhorses from Canon and Nikon. With its integrated image stabilizer and 20 images / second speed that A9 is aimed at sports and action photographers. Being mirrorless the A9 is much smaller than the competition...
...but is currently (2017) somewhat handicapped by a lens selection that is much smaller than that of the competition.
The A9 features USB 3.0, wireless connectivity and sports an electronic viewfinder with a whopping 3.7 magapixel resolution. It's a true game changer.
Source of specifications and product images: Manufacturer. This page was generated by an experimental computer program. Errors and omissions excepted.
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Info graphics, comparison and camera rating © 2017-19 CameraCreativ.com. All rights reserved.
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