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Sony A7R III vs Sony A6300

Portability
63
Imaging
78
Features
93
Overall
84
Sony Alpha A7R III front
 
Sony Alpha a6300 front
Portability
83
Imaging
67
Features
82
Overall
73

Sony A7R III vs Sony A6300 Key Specs

Sony A7R III
(Full Review)
  • 42MP - Full frame Sensor
  • 3" Tilting Screen
  • ISO 100 - 32000 (Push to 102400)
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 657g - 127 x 96 x 74mm
  • Announced October 2017
  • Old Model is Sony A7R II
  • Replacement is Sony A7R IV
Sony A6300
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Tilting Screen
  • ISO 100 - 25600 (Raise to 51200)
  • 3840 x 2160 video
  • Sony E Mount
  • 404g - 120 x 67 x 49mm
  • Launched February 2016
  • Old Model is Sony A6000
  • Replacement is Sony A6500
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Sony A7R III vs Sony A6300 Overview

In this write-up, we will be matching up the Sony A7R III versus Sony A6300, one is a Pro Mirrorless and the latter is a Advanced Mirrorless and both are sold by Sony. There is a big difference between the resolutions of the A7R III (42MP) and A6300 (24MP) and the A7R III (Full frame) and A6300 (APS-C) possess totally different sensor sizing.

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The A7R III was introduced 21 months after the A6300 which makes the cameras a generation away from each other. Each of these cameras offer different body type with the Sony A7R III being a SLR-style mirrorless camera and the Sony A6300 being a Rangefinder-style mirrorless camera.

Before delving straight into a in-depth comparison, below is a brief summary of how the A7R III scores against the A6300 when considering portability, imaging, features and an overall score.

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Reasons to pick Sony A7R III over the Sony A6300

 A7R III A6300 
LaunchedOctober 2017February 2016More modern by 21 months
Screen resolution1440k922kCrisper screen (+518k dot)
Touch friendly screen Quickly navigate

Reasons to pick Sony A6300 over the Sony A7R III

 A6300 A7R III 

Common features in the Sony A7R III and Sony A6300

 A7R III A6300 
Manually focus Very accurate focus
Screen typeTiltingTiltingTilting screen
Screen sizing3"3"Equivalent screen measurement
Selfie screen Lack of selfie screen

Sony A7R III vs Sony A6300 Physical Comparison

For anybody who is going to carry around your camera often, you will need to factor in its weight and volume. The Sony A7R III features exterior dimensions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") having a weight of 657 grams (1.45 lbs) whilst the Sony A6300 has sizing of 120mm x 67mm x 49mm (4.7" x 2.6" x 1.9") with a weight of 404 grams (0.89 lbs).

Check the Sony A7R III versus Sony A6300 in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an Interchangeable Lens Camera will vary dependant on the lens you have at the time. Here is the front view over all size comparison of the A7R III vs the A6300.

Sony A7R III vs Sony A6300 size comparison

Considering size and weight, the portability score of the A7R III and A6300 is 63 and 83 respectively.

Sony A7R III vs Sony A6300 top view buttons comparison

Sony A7R III vs Sony A6300 Sensor Comparison

Oftentimes, its difficult to visualise the contrast between sensor sizes only by checking a spec sheet. The pic underneath will give you a clearer sense of the sensor sizes in the A7R III and A6300.

Clearly, both the cameras enjoy different megapixels and different sensor sizes. The A7R III using its bigger sensor will make getting shallow DOF simpler and the Sony A7R III will give greater detail using its extra 18 Megapixels. Higher resolution will allow you to crop photographs far more aggressively. The fresher A7R III will have a benefit in sensor innovation.

Sony A7R III vs Sony A6300 sensor size comparison

Sony A7R III vs Sony A6300 Screen and ViewFinder

Sony A7R III vs Sony A6300 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony A7R III as a Portrait photography camera
Sony A6300 as a Portrait photography camera
86
you can focus manually
high MP (42MP)
big sensor size (Full frame)
comes with face detect focus
saves RAW files
80
has manual focus
decent MP (24MP)
sensor size is nice (APS-C)
provides face detection autofocus
exports RAW files
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Street Comparison

Sony A7R III Street photography factors
Sony A6300 Street photography factors
79
screen tilts up and down
built in image stabilization (Sensor based 5-axis)
big sensor size (Full frame)
saves RAW files
supports touch to focus
weather sealing
very good high ISO (32,000)
79
screen tilts up and down
sensor size is nice (APS-C)
exports RAW files
weather proofing
good ISO range (25,600)
no image stabilization
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Sports Comparison

Sony A7R III Sports photography advice
Sony A6300 Sports photography advice
89
great max shutter speed (1/8,000 seconds)
built in image stabilization (Sensor based 5-axis)
high MP (42 megapixels)
big sensor size (Full frame)
comes with tracking focus
weather sealing
better than average battery (650 per charge)
supports phase detect auto focus
75
decent MP (24MP)
sensor size is nice (APS-C)
provides tracking autofocus
weather proofing
supports phase detect autofocus
no image stabilization
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Travel Comparison

Sony A7R III Travel photography advice
Sony A6300 Travel photography advice
74
better than average battery (650 per charge)
weather sealing
connects via bluetooth
supports touch to focus
high MP (42 megapixels)
doesn't have selfie friendly display
76
weather proofing
decent MP (24 megapixels)
flash built-in
screen isn't selfie friendly
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Landscape Comparison

Sony A7R III as a Landscape photography camera
Sony A6300 as a Landscape photography camera
87
you can focus manually
interchangeable lenses (Sony E mount)
screen size is good (3")
built in image stabilization (Sensor based 5-axis)
high MP (42 megapixels)
big sensor size (Full frame)
does not have low pass filter
very good high ISO (32,000)
saves RAW files
weather sealing
better than average battery (650 per charge)
has double storage slots
79
has manual focus
change lenses (Sony E mount)
decent sized screen (3 inch)
decent MP (24MP)
sensor size is nice (APS-C)
good ISO range (25,600)
exports RAW files
weather proofing
no image stabilization
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Vlogging Comparison

Sony A7R III Vlogging factors
Sony A6300 Vlogging factors
37
has touchscreen
built in image stabilization (Sensor based 5-axis)
comes with face detect focus
video res high (3840 x 2160 pixels)
comes with microphone port
doesn't have selfie friendly display
35
provides face detection autofocus
high res video (3840 x 2160 resolution)
comes with external mic jack
screen isn't selfie friendly
no image stabilization
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Sony A7R III vs Sony A6300 Specifications

Detailed spec comparison table for Sony A7R III and Sony A6300
 Sony Alpha A7R IIISony Alpha a6300
General Information
Brand Name Sony Sony
Model Sony Alpha A7R III Sony Alpha a6300
Class Pro Mirrorless Advanced Mirrorless
Announced 2017-10-25 2016-02-03
Body design SLR-style mirrorless Rangefinder-style mirrorless
Sensor Information
Powered by Bionz X BIONZ X
Sensor type BSI-CMOS CMOS
Sensor size Full frame APS-C
Sensor dimensions 35.9 x 24mm 23.5 x 15.6mm
Sensor area 861.6mm² 366.6mm²
Sensor resolution 42 megapixel 24 megapixel
Anti aliasing filter
Aspect ratio 3:2 and 16:9 3:2 and 16:9
Highest resolution 7952 x 5304 6000 x 4000
Highest native ISO 32000 25600
Highest boosted ISO 102400 51200
Minimum native ISO 100 100
RAW data
Minimum boosted ISO 50 -
Autofocusing
Manual focus
Touch to focus
Continuous autofocus
Autofocus single
Tracking autofocus
Selective autofocus
Autofocus center weighted
Autofocus multi area
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Number of focus points 425 425
Lens
Lens mounting type Sony E Sony E
Number of lenses 121 121
Crop factor 1 1.5
Screen
Range of screen Tilting Tilting
Screen diagonal 3 inch 3 inch
Resolution of screen 1,440k dot 922k dot
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder type Electronic Electronic
Viewfinder resolution 3,686k dot 2,359k dot
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.78x 0.7x
Features
Lowest shutter speed 30s 30s
Highest shutter speed 1/8000s 1/4000s
Continuous shooting speed 10.0 frames/s 11.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Built-in flash
Flash range no built-in flash 6.00 m (at ISO 100)
Flash settings Off, Auto, Fill-flash, Slow Sync, Rear Sync, Red-eye reduction, Wireless, Hi-speed sync Flash off, Autoflash, Fill-flash, Rear Sync., Slow Sync., Red-eye reduction, Hi-speed sync, Wireless
External flash
Auto exposure bracketing
WB bracketing
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p) 4K (3840 x 2160 @ 30p/24p), 1920 x 1080 (120p, 60p, 60i, 30p, 24p), 1280 x 720 (24p)
Highest video resolution 3840x2160 3840x2160
Video file format MPEG-4, AVCHD, XAVC S MPEG-4, AVCHD, XAVC S, H.264
Mic input
Headphone input
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 3.1 Gen 1(5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 657 grams (1.45 lbs) 404 grams (0.89 lbs)
Dimensions 127 x 96 x 74mm (5.0" x 3.8" x 2.9") 120 x 67 x 49mm (4.7" x 2.6" x 1.9")
DXO scores
DXO All around score 100 85
DXO Color Depth score 26.0 24.4
DXO Dynamic range score 14.7 13.7
DXO Low light score 3523 1437
Other
Battery life 650 images 400 images
Battery format Battery Pack Battery Pack
Battery model NP-FZ100 NP-FW50
Self timer Yes (2 or 10 sec; continuous (3 or 5 exposures)) Yes
Time lapse recording With downloadable app
Storage media Two SD/SDHC/SDXC slots (UHS-II support on one) SD/SDHC/SDXC
Storage slots Dual One
Price at launch $2,800 $889