Nikon Z8 vs Sony a9 II

This is a full comparison between the cameras Nikon Z8 and Sony a9 II. We compare them by looking at the categories you see below.

Manufacturing

Nikon Z8 is manufacturered by Nikon but Sony a9 II is from Sony. Both Nikon and Sony are well known brands though.

Nikon Z8 were released 2023 and Sony a9 II was released 2019. That is a 4 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera Released
Nikon Z8 2023
Sony a9 II 2019

Type of camera

Both these cameras are Mirrorless cameras. No difference there.

Sensors / crop factor

These cameras have different sensors. Nikon Z8 has a "Nikon FX"-sensor while Sony a9 II has a "Sony Full Frame"-sensor, and their difference in sensors will also affect the crop factor and experience focal length. See the table below.

Camera Focal length, 50mm f/1.8 **
Nikon Z8 50 mm
Full-frame sensor
No crop factor/focal length multiplier
Sony a9 II 50 mm
Full-frame sensor
No crop factor/focal length multiplier

** Experienced focal length when using a lens such as a common "50mm f/1.8"

Learn more about crop factor and focal length multiplier here:
Camera selection can affect the focal length (Nikon)
Camera selection can affect the focal length (Sony)

Resolution

Nikon Z8 has a 46 MP (Megapixels) resolution while Sony a9 II has 24 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels
Nikon Z8 46 MP
45441024 pixels
8256 x 5504
Sony a9 II 24 MP
24000000 pixels
6000 x 4000

Nikon Z8 has a 89 % larger resolution than Sony a9 II. This could give you more details in the picture but also a possibility to crop more in the pictures, afterward while editing the pictures, if needed that is.

ISO range

Nikon Z8 has a larger ISO-range than Sony a9 II. Nikon Z8 has an ISO range that stretches from 32 to 102400 while Sony a9 II has 100 to 51200.

Camera ISO Range
Nikon Z8 32-102400
Sony a9 II 100-51200

Autofocus and lens compatibility

Both of these cameras have a built-in autofocus motor. Some lenses, that support autofocus, do not have an autofocus motor of their own but this won't cause any problems with these two cameras.

Here is a complete overview of which lenses work with each camera:
Lens compatibility chart for Nikon Z8
Lens compatibility chart for Sony a9 II

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Nikon Z8 can shoot up to 30 pictures per seconds and Sony a9 II can shoot up to 20 pictures per seconds.

Camera FPS (Frames per second)
Nikon Z8 30
Sony a9 II 20

Ability to record movies

It is becoming more and more popular to record movies with digital cameras.

In this case, both Nikon Z8 and Sony a9 II can shoot movies.

Weight

The weight of the camera can be an extremely important factor, especially if the camera is about to be used, or carried around, for several hours at a time.

Nikon Z8 weighs 910 gr (equal to 2.01 lb) which is 34% heavier than Sony a9 II and its 678 gr (or 1.49 lb).

Camera Weight
Nikon Z8 910 gr
2.01 lb
Sony a9 II 678 gr
1.49 lb

Nikon Z8 vs Sony a9 II Specs

Below you will find the complete and detailed technical specs for both Nikon Z8 and Sony a9 II, next to each other. Each category of data is a link to an article covering the subject, giving you a deeper understanding so you can better understand the strengths and weaknesses of the two camera models.

Product
Nikon Z8
Sony a9 II
Name Nikon Z8 Sony a9 II
Manufacturer Nikon Sony
Release Date and Price
Nikon Z8
Sony a9 II
Release Year 2023 2019
Release Date 2023-05-10 2019-10-03
MSRP 3999 USD 4499 USD
Buy it today
Camera Type
Nikon Z8
Sony a9 II
Camera Type Mirrorless Mirrorless
Sensor
Nikon Z8
Sony a9 II
Sensor Size Full Frame (approx 36 x 23.9 mm)
Also known as "FX"
Full Frame (approx 36 x 24 mm)
Sensor Type Stacked CMOS Stacked CMOS
Resolution 8256 x 5504 pixels 6000 x 4000 pixels
Megapixels 46 MP 24 MP
Image Processor Bionz X
Image
Nikon Z8
Sony a9 II
ISO Range 32 - 102400 100 - 51200
White Balance Presets 9 9
Custom White Balance Yes Yes
Image Stabilization Yes
(Sensor-shift (Synchro VR with select lenses))
Yes
(Sensor-Shift (5-axis))
Image Stabilization CIPA Rating 0 stops 5.5 stops
Uncompressed format RAW RAW
Optics & Focus
Nikon Z8
Sony a9 II
Autofocus Motor Yes Yes
Autofocus Phase Detect
Multi Area
Center
Selective Single Point
Tracking
Single
Continuous
Touch
Face Detection
LiveView
Contract Detect (sensor)
Phase Detect
Multi Area
Center
Selective Single Point
Tracking
Single
Continuous
Touch
Face Detection
LiveView
Focus Points 493 693
Lens Mount Nikon Z

See Compatible Lenses
Sony E

See Compatible Lenses
Focal Length Multiplier FX (Full frame)
No multiplier
Example:
24 mm remains 24 mm
50 mm remains 50 mm
100 mm remains 100 mm
200 mm remains 200 mm
Full frame
No multiplier
Example:
24 mm remains 24 mm
50 mm remains 50 mm
100 mm remains 100 mm
200 mm remains 200 mm
Screen & Viewfinder
Nikon Z8
Sony a9 II
Articulated LCD Tilting Tilting
Screen size 3.2 3
Screen dots 2088960 1440000
Touch screen Yes Yes
Screen type N/A TFT LCD
Live view Yes Yes
Viewfinder Type Electronic Electronic
Viewfinder Coverage 100% 100%
Viewfinder Magnification 0.8 0.78x
Viewfinder Resolution 3686400 3686400
Photography features
Nikon Z8
Sony a9 II
Frames per second 30 fps 20 fps
Minimum Shutter Speed 900 seconds 30 seconds
Maximum Shutter Speed 1/32000 seconds 1/8000 seconds
Built-in Flash No No
Built-in Flash Range N/A N/A
External Flash Yes Yes
Self-Timer Yes Yes
Time-lapse Yes Yes
Metering modes Multi
Center Weighted
Highlight Weighted
Spot
Multi
Center Weighted
Highlight Weighted
Spot
Average
Exposure Compensation +/- 5 (at 1/3 EV, 1/2 EV steps) +/- 5 (at 1/3 EV, 1/2 EV steps)
Videography features
Nikon Z8
Sony a9 II
Video recording Yes Yes
Video format H.264
H.265
MPEG4
H.264
AVCHD
Video resolution 1920 x 1080
3840 x 2160
7680 x 4320
1280 x 720
1920 x 1080
3840 x 2160
Built-in Microphone Yes Yes
Built-in Speakers Yes Yes
Storage
Nikon Z8
Sony a9 II
Memory Card SD/SDHC
Connectivity
Nikon Z8
Sony a9 II
HDMI Output No Yes
Microphone Port Yes Yes
Headphone Port Yes Yes
Wireless Yes
Built-In
Yes
Built-in (802.11ac + NFC + Bluetooth)
Remote Control Yes (via app) Yes (Wired or wireless)
GPS No No
Body & Dimensions
Nikon Z8
Sony a9 II
Enviromentally sealed Yes Yes
Battery Battery Pack Battery Pack
Battery Details EN-EL15c
NP-FZ100
Battery Life (CIPA) 340 shots 690 shots
Width 144 mm 129 mm
Height 119 mm 96 mm
Depth 83 mm 76 mm
Weight 910 gram 678 gram