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Sony A7R III vs Sony A7R IV

Portability
63
Imaging
78
Features
93
Overall
84
Sony Alpha A7R III front
 
Sony Alpha A7R IV front
Portability
62
Imaging
81
Features
93
Overall
85

Sony A7R III vs Sony A7R IV Key Specs

Sony A7R III
(Full Review)
  • 42MP - Full frame Sensor
  • 3" Tilting Display
  • ISO 100 - 32000 (Increase to 102400)
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 657g - 127 x 96 x 74mm
  • Launched October 2017
  • Earlier Model is Sony A7R II
  • Updated by Sony A7R IV
Sony A7R IV
(Full Review)
  • 61MP - Full frame Sensor
  • 3" Tilting Display
  • ISO 100 - 32000 (Expand to 102800)
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 665g - 129 x 96 x 78mm
  • Introduced July 2019
  • Earlier Model is Sony A7R III
  • Newer Model is Sony A7R V
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Sony A7R III vs Sony A7R IV Overview

In this write-up, we are contrasting the Sony A7R III versus Sony A7R IV, both Pro Mirrorless digital cameras and both of them are sold by Sony. There exists a considerable gap between the image resolutions of the A7R III (42MP) and A7R IV (61MP) but they use the same exact sensor measurements (Full frame).

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The A7R III was revealed 20 months prior to the A7R IV making the cameras a generation apart from one another. Both cameras offer the identical body type (SLR-style mirrorless).

Before we go through a in-depth comparison, below is a concise summation of how the A7R III grades vs the A7R IV when it comes to portability, imaging, features and an overall grade.

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Reasons to pick Sony A7R III over the Sony A7R IV

 A7R III A7R IV 

Reasons to pick Sony A7R IV over the Sony A7R III

 A7R IV A7R III 
IntroducedJuly 2019October 2017More recent by 20 months

Common features in the Sony A7R III and Sony A7R IV

 A7R III A7R IV 
Manually focus More precise focus
Display typeTiltingTiltingTilting display
Display sizing3"3"Equivalent display measurements
Display resolution1440k1440kThe same display resolution
Selfie screen Lacking selfie screen
Touch display Easily navigate

Sony A7R III vs Sony A7R IV Physical Comparison

For those who are going to lug around your camera often, you're going to have to think about its weight and proportions. The Sony A7R III has external measurements of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") along with a weight of 657 grams (1.45 lbs) and the Sony A7R IV has measurements of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") having a weight of 665 grams (1.47 lbs).

See the Sony A7R III versus Sony A7R IV in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an ILC will differ dependant on the lens you use at the time. Following is the front view dimension comparison of the A7R III vs the A7R IV.

Sony A7R III vs Sony A7R IV size comparison

Using dimensions and weight, the portability score of the A7R III and A7R IV is 63 and 62 respectively.

Sony A7R III vs Sony A7R IV top view buttons comparison

Sony A7R III vs Sony A7R IV Sensor Comparison

Quite often, it is very hard to envision the difference between sensor measurements simply by going over technical specs. The visual here will help provide you a better sense of the sensor measurements in the A7R III and A7R IV.

As you can tell, both of the cameras offer the same exact sensor sizing but not the same MP. You can anticipate the Sony A7R IV to deliver more detail because of its extra 19MP. Greater resolution can also enable you to crop pics a little more aggressively. The older A7R III is going to be behind when it comes to sensor tech.

Sony A7R III vs Sony A7R IV sensor size comparison

Sony A7R III vs Sony A7R IV Screen and ViewFinder

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

Portrait Comparison

Sony A7R III Portrait photography highlights
Sony A7R IV Portrait photography highlights
86
manual focus
amazing resolution (42MP)
sensor size is big (Full frame)
includes face detection autofocus
delivers RAW files
88
has manual focus
megapixel count amazing (61MP)
great sensor size (Full frame)
offers face detect autofocus
supports RAW formats
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Street Comparison

Sony A7R III as a Street photography camera
Sony A7R IV as a Street photography camera
79
screen tilts
built in image stabilization (Sensor based 5-axis)
sensor size is big (Full frame)
delivers RAW files
features focus via touch
environment proofing
good ISO range (32,000)
79
screen tilts
image stabilization (Sensor based 5-axis)
great sensor size (Full frame)
supports RAW formats
has focus via touch
environment proofing
above average ISO range (32,000)
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Sports Comparison

Sony A7R III as a Sports photography camera
Sony A7R IV as a Sports photography camera
89
max shutter speed is good (1/8,000 seconds)
built in image stabilization (Sensor based 5-axis)
amazing resolution (42MP)
sensor size is big (Full frame)
includes tracking autofocus
environment proofing
good battery life (650 CIPA)
supports phase detect autofocus
90
max shutter speed is good (1/8,000 seconds)
image stabilization (Sensor based 5-axis)
megapixel count amazing (61 megapixels)
great sensor size (Full frame)
offers tracking focus
environment proofing
better than average battery pack (670 shots)
has phase detect autofocus
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Travel Comparison

Travel photography with Sony A7R III
Travel photography with Sony A7R IV
74
good battery life (650 CIPA)
environment proofing
has bluetooth
features focus via touch
amazing resolution (42MP)
does not have selfie friendly display
74
better than average battery pack (670 CIPA)
environment proofing
connects via bluetooth
has focus via touch
megapixel count amazing (61MP)
display is not selfie friendly
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Landscape Comparison

Sony A7R III Landscape photography information
Sony A7R IV Landscape photography information
87
manual focus
switch lenses (Sony E mount)
screen size is good (3 inch)
built in image stabilization (Sensor based 5-axis)
amazing resolution (42MP)
sensor size is big (Full frame)
does not have low pass filter
good ISO range (32,000)
delivers RAW files
environment proofing
good battery life (650 CIPA)
has dual storage slots
88
has manual focus
interchangeable lenses (Sony E mount)
screen is a good size (3 inch)
image stabilization (Sensor based 5-axis)
megapixel count amazing (61MP)
great sensor size (Full frame)
does not have low pass filter
above average ISO range (32,000)
supports RAW formats
environment proofing
better than average battery pack (670 per charge)
two card slots
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Vlogging Comparison

Sony A7R III Vlogging details
Sony A7R IV Vlogging details
37
touchscreen
built in image stabilization (Sensor based 5-axis)
includes face detection autofocus
high video quality (3840 x 2160 pxls)
comes with external mic jack
does not have selfie friendly display
37
touchscreen
image stabilization (Sensor based 5-axis)
offers face detect autofocus
high quality video (3840 x 2160 pxls)
has mic socket
display is not selfie friendly
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Sony A7R III vs Sony A7R IV Specifications

Detailed spec comparison table for Sony A7R III and Sony A7R IV
 Sony Alpha A7R IIISony Alpha A7R IV
General Information
Make Sony Sony
Model type Sony Alpha A7R III Sony Alpha A7R IV
Category Pro Mirrorless Pro Mirrorless
Launched 2017-10-25 2019-07-16
Physical type SLR-style mirrorless SLR-style mirrorless
Sensor Information
Processor Bionz X Bionz X
Sensor type BSI-CMOS BSI-CMOS
Sensor size Full frame Full frame
Sensor dimensions 35.9 x 24mm 35.8 x 23.8mm
Sensor surface area 861.6mm² 852.0mm²
Sensor resolution 42 megapixel 61 megapixel
Anti alias filter
Aspect ratio 3:2 and 16:9 1:1, 4:3, 3:2 and 16:9
Peak resolution 7952 x 5304 9504 x 6336
Highest native ISO 32000 32000
Highest enhanced ISO 102400 102800
Lowest native ISO 100 100
RAW images
Lowest enhanced ISO 50 50
Autofocusing
Manual focusing
AF touch
Continuous AF
Single AF
AF tracking
AF selectice
AF center weighted
AF multi area
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 425 567
Lens
Lens mount type Sony E Sony E
Available lenses 121 121
Focal length multiplier 1 1
Screen
Type of display Tilting Tilting
Display size 3 inch 3 inch
Resolution of display 1,440 thousand dots 1,440 thousand dots
Selfie friendly
Liveview
Touch capability
Viewfinder Information
Viewfinder Electronic Electronic
Viewfinder resolution 3,686 thousand dots 5,760 thousand dots
Viewfinder coverage 100% 100%
Viewfinder magnification 0.78x 0.78x
Features
Min shutter speed 30 seconds 30 seconds
Max shutter speed 1/8000 seconds 1/8000 seconds
Continuous shutter rate 10.0 frames/s 10.0 frames/s
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Custom WB
Image stabilization
Built-in flash
Flash distance no built-in flash no built-in flash
Flash settings Off, Auto, Fill-flash, Slow Sync, Rear Sync, Red-eye reduction, Wireless, Hi-speed sync Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync.
Hot shoe
Auto exposure bracketing
White balance bracketing
Max flash synchronize - 1/250 seconds
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
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) 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM
Highest video resolution 3840x2160 3840x2160
Video data format MPEG-4, AVCHD, XAVC S MPEG-4, XAVC S, H.264
Mic port
Headphone port
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 3.1 Gen 1(5 GBit/sec) USB 3.1 Gen 1(5 GBit/sec)
GPS None None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 657g (1.45 pounds) 665g (1.47 pounds)
Dimensions 127 x 96 x 74mm (5.0" x 3.8" x 2.9") 129 x 96 x 78mm (5.1" x 3.8" x 3.1")
DXO scores
DXO Overall rating 100 99
DXO Color Depth rating 26.0 26.0
DXO Dynamic range rating 14.7 14.8
DXO Low light rating 3523 3344
Other
Battery life 650 photos 670 photos
Battery type Battery Pack Battery Pack
Battery ID NP-FZ100 NP-FZ100
Self timer Yes (2 or 10 sec; continuous (3 or 5 exposures)) Yes
Time lapse recording
Storage type Two SD/SDHC/SDXC slots (UHS-II support on one) Dual SD/SDHC/SDXC (UHS-II compatible)
Card slots 2 2
Pricing at release $2,800 $3,498