Sony a7R IIIA vs Nikon D5300

This is a full comparison between the cameras Sony a7R IIIA and Nikon D5300. We compare them by looking at the categories you see below.

Manufacturing

Sony a7R IIIA is manufacturered by Sony but Nikon D5300 is from Nikon. Both Sony and Nikon are well known brands though.

Sony a7R IIIA were released 2021 and Nikon D5300 was released 2013. That is a 8 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera Released
Sony a7R IIIA 2021
Nikon D5300 2013

Type of camera

Sony a7R IIIA is a Mirrorless camera while Nikon D5300 is a DSLR camera. More information about their differences will come soon.

Sensors / crop factor

These cameras have different sensors. Sony a7R IIIA has a "Sony Full Frame"-sensor while Nikon D5300 has a "Nikon DX"-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 **
Sony a7R IIIA 50 mm
Full-frame sensor
No crop factor/focal length multiplier
Nikon D5300 75 mm
Nikon DX sensor
Crop factor/focal length multiplier by * 1.5

** 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 (Sony)
Camera selection can affect the focal length (Nikon)

Resolution

Sony a7R IIIA has a 42 MP (Megapixels) resolution while Nikon D5300 has 24 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels
Sony a7R IIIA 42 MP
42177408 pixels
7952 x 5304
Nikon D5300 24 MP
24000000 pixels
6000 x 4000

Sony a7R IIIA has a 76 % larger resolution than Nikon D5300. 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

Sony a7R IIIA has a larger ISO-range than Nikon D5300. Sony a7R IIIA has an ISO range that stretches from 100 to 32000 while Nikon D5300 has 100 to 12800.

Camera ISO Range
Sony a7R IIIA 100-32000
Nikon D5300 100-12800

Autofocus and lens compatibility

There is a big difference between these two cameras. Sony a7R IIIA has a built-in autofocus motor but Nikon D5300 does not. If you want to be able to use autofocus on Nikon D5300 there is a need for having an autofocus motor inside the lens. We really encourage you to look closely at our lens compatibility charts at the links below.

Here is a complete overview of which lenses work with each camera:
Lens compatibility chart for Sony a7R IIIA
Lens compatibility chart for Nikon D5300

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Sony a7R IIIA can shoot up to 10 pictures per seconds and Nikon D5300 can shoot up to 5 pictures per seconds.

Camera FPS (Frames per second)
Sony a7R IIIA 10
Nikon D5300 5

Ability to record movies

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

In this case, both Sony a7R IIIA and Nikon D5300 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.

Sony a7R IIIA weighs 657 gr (equal to 1.45 lb) which is 37% heavier than Nikon D5300 and its 480 gr (or 1.06 lb).

Camera Weight
Sony a7R IIIA 657 gr
1.45 lb
Nikon D5300 480 gr
1.06 lb

Sony a7R IIIA vs Nikon D5300 Specs

Below you will find the complete and detailed technical specs for both Sony a7R IIIA and Nikon D5300, 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
Sony a7R IIIA
Nikon D5300
Name Sony a7R IIIA Nikon D5300
Manufacturer Sony Nikon
Release Date and Price
Sony a7R IIIA
Nikon D5300
Release Year 2021 2013
Release Date 2021-04-07 2013-10-17
MSRP 3199 USD 729 USD
Buy it today
Camera Type
Sony a7R IIIA
Nikon D5300
Camera Type Mirrorless DSLR
Sensor
Sony a7R IIIA
Nikon D5300
Sensor Size Full Frame (approx 36 x 24 mm) APS-C (approx 23.7 x 15.5 mm)
Also known as "DX"
Sensor Type BSI-CMOS CMOS
Resolution 7952 x 5304 pixels 6000 x 4000 pixels
Megapixels 42 MP 24 MP
Image Processor BIONZ X EXPEED 4
Image
Sony a7R IIIA
Nikon D5300
ISO Range 100 - 32000 100 - 12800
White Balance Presets 10 12
Custom White Balance Yes Yes
Image Stabilization Yes
(Sensor-Shift (5-axis))
No
Image Stabilization CIPA Rating 5.5 stops 0 stops
Uncompressed format RAW RAW
Optics & Focus
Sony a7R IIIA
Nikon D5300
Autofocus Motor Yes No
Autofocus Contract Detect (sensor)
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
Face Detection
LiveView
Focus Points 399 39
Lens Mount Sony E

See Compatible Lenses
Nikon F

See Compatible Lenses
Focal Length Multiplier 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
DX / APS-C (1.5x)
1.5x multiplier
Example:
24 mm becomes 36 mm
50 mm becomes 75 mm
100 mm becomes 150 mm
200 mm becomes 300 mm
Screen & Viewfinder
Sony a7R IIIA
Nikon D5300
Articulated LCD Tilting Fully articulated
Screen size 3” 3,2”
Screen dots 2360000 1037000
Touch screen Yes No
Screen type TFT LCD TFT LCD monitor
Live view Yes Yes
Viewfinder Type Electronic Optical (pentamirror)
Viewfinder Coverage 100% 95%
Viewfinder Magnification 0.78x 0.82× (0.55× 35mm equiv.)
Viewfinder Resolution 3686400 N/A
Photography features
Sony a7R IIIA
Nikon D5300
Frames per second 10 fps 5 fps
Minimum Shutter Speed 30 seconds 30 seconds
Maximum Shutter Speed 1/8000 seconds 1/4000 seconds
Built-in Flash No Yes
Built-in Flash Range N/A 12 meters
External Flash Yes Yes
Self-Timer Yes Yes
Time-lapse No Yes
Metering modes Multi
Center Weighted
Spot
Multi
Center Weighted
Spot
Exposure Compensation +/- 5 (at 1/3 EV, 1/2 EV steps) +/- 5 (at 1/3 EV, 1/2 EV steps)
Videography features
Sony a7R IIIA
Nikon D5300
Video recording Yes Yes
Video format MPEG4
XAVC-S
AVCHD
MPEG4
H.264
Video resolution 1920 x 1080
3840 x 2160
1280 x 720
1920 x 1080
Built-in Microphone Yes Yes
Built-in Speakers Yes Yes
Storage
Sony a7R IIIA
Nikon D5300
Memory Card SD/SDHC
Compact Flash
Connectivity
Sony a7R IIIA
Nikon D5300
HDMI Output Yes Yes
Microphone Port Yes Yes
Headphone Port Yes No
Wireless Yes
Built-in (802.11b/g/n + NFC + Bluetooth)
Yes
Built-In
Remote Control Yes (wired, wireless, smartphone) Optional with ML-L3 or WR-R10
GPS No Yes
Built-in
Body & Dimensions
Sony a7R IIIA
Nikon D5300
Enviromentally sealed Yes No
Battery Battery Pack Battery Pack
Battery Details NP-FZ100 lithium-ion battery and charger
Lithium-Ion EN-EL14a or EN-EL14 rechargeable battery & charger
Battery Life (CIPA) 650 shots 600 shots
Width 127 mm 125 mm
Height 96 mm 98 mm
Depth 74 mm 76 mm
Weight 657 gram 480 gram