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Sony A7 III vs Sony A7R IV

Portability
63
Imaging
74
Features
92
Overall
81
Sony Alpha A7 III front
 
Sony Alpha A7R IV front
Portability
62
Imaging
81
Features
93
Overall
85

Sony A7 III vs Sony A7R IV Key Specs

Sony A7 III
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Tilting Display
  • ISO 100 - 51200 (Bump to 204800)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 650g - 127 x 96 x 74mm
  • Announced February 2018
  • Superseded the Sony A7 II
  • Successor is Sony A7 IV
Sony A7R IV
(Full Review)
  • 61MP - Full frame Sensor
  • 3" Tilting Screen
  • ISO 100 - 32000 (Expand to 102800)
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 665g - 129 x 96 x 78mm
  • Revealed July 2019
  • Superseded the Sony A7R III
  • Replacement is Sony A7R V
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Sony A7 III vs Sony A7R IV Overview

Here is a in-depth analysis of the Sony A7 III versus Sony A7R IV, both Pro Mirrorless cameras and both of them are offered by Sony. There is a crucial difference among the resolutions of the A7 III (24MP) and A7R IV (61MP) but they enjoy the exact same sensor measurements (Full frame).

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The A7 III was launched 16 months prior to the A7R IV which makes the cameras a generation apart from each other. Both the cameras come with the identical body type (SLR-style mirrorless).

Before getting through a complete comparison, below is a concise highlight of how the A7 III matches up against the A7R IV when it comes to portability, imaging, features and an overall rating.

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Reasons to pick Sony A7 III over the Sony A7R IV

 A7 III A7R IV 

Reasons to pick Sony A7R IV over the Sony A7 III

 A7R IV A7 III 
RevealedJuly 2019February 2018Fresher by 16 months
Screen resolution1440k922kClearer screen (+518k dot)

Common features in the Sony A7 III and Sony A7R IV

 A7 III A7R IV 
Manually focus Dial precise focusing
Screen typeTiltingTiltingTilting screen
Screen dimension3"3"Identical screen measurements
Selfie screen Absent selfie screen
Touch friendly screen Quickly navigate

Sony A7 III vs Sony A7R IV Physical Comparison

If you are going to carry your camera regularly, you're going to have to think about its weight and measurements. The Sony A7 III has outer dimensions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") along with a weight of 650 grams (1.43 lbs) and the Sony A7R IV has proportions of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") and a weight of 665 grams (1.47 lbs).

Examine the Sony A7 III versus Sony A7R IV in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an Interchangeable Lens Camera will change based on the lens you are working with at the time. Below is the front view scale comparison of the A7 III versus the A7R IV.

Sony A7 III vs Sony A7R IV size comparison

Looking at size and weight, the portability grade of the A7 III and A7R IV is 63 and 62 respectively.

Sony A7 III vs Sony A7R IV top view buttons comparison

Sony A7 III vs Sony A7R IV Sensor Comparison

Often, it can be difficult to visualise the contrast in sensor sizing simply by looking through specs. The visual here will help offer you a greater sense of the sensor dimensions in the A7 III and A7R IV.

All in all, each of the cameras posses the exact same sensor measurements albeit not the same megapixels. You should expect the Sony A7R IV to render extra detail utilizing its extra 37 Megapixels. Higher resolution can also let you crop shots somewhat more aggressively. The older A7 III will be behind when it comes to sensor technology.

Sony A7 III vs Sony A7R IV sensor size comparison

Sony A7 III vs Sony A7R IV Screen and ViewFinder

Sony A7 III vs Sony A7R IV Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Sony A7 III
Portrait photography with Sony A7R IV
84
manual focus
resolution is good (24 megapixels)
large sensor size (Full frame)
comes with face detection autofocus
saves RAW files
88
has manual focus
excellent megapixels (61 megapixels)
sensor size is large (Full frame)
comes with face detect focusing
exports RAW files
Photography Glossary

Street Comparison

Sony A7 III Street photography advice
Sony A7R IV Street photography advice
78
screen tilts up and down
has image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
saves RAW files
supports touch to focus
environment proofing
great ISO range (51,200)
79
screen tilts up and down
image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
exports RAW files
boasts touch to focus
environment sealing
great ISO range (32,000)
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Sports Comparison

Sony A7 III Sports photography info
Sony A7R IV Sports photography info
87
maximum shutter speed is high (1/8,000s)
has image stabilization (Sensor based 5-axis)
resolution is good (24MP)
large sensor size (Full frame)
comes with tracking autofocus
environment proofing
better than average battery (610 shots)
supports phase detect autofocus
90
high shutter speed (1/8,000 seconds)
image stabilization (Sensor based 5-axis)
excellent megapixels (61 megapixels)
sensor size is large (Full frame)
comes with tracking focus
environment sealing
great battery power (670 per charge)
sensor has phase detect AF
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Travel Comparison

Sony A7 III as a Travel photography camera
Sony A7R IV as a Travel photography camera
73
better than average battery (610 per charge)
environment proofing
has bluetooth
supports touch to focus
resolution is good (24MP)
display isn't selfie friendly
74
great battery power (670 per charge)
environment sealing
has bluetooth
boasts touch to focus
excellent megapixels (61 megapixels)
display isn't selfie friendly
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Landscape Comparison

Sony A7 III Landscape photography features
Sony A7R IV Landscape photography features
85
manual focus
switch lenses (Sony E mount)
pretty good screen size (3 inch)
has image stabilization (Sensor based 5-axis)
resolution is good (24MP)
large sensor size (Full frame)
great ISO range (51,200)
saves RAW files
environment proofing
better than average battery (610 shots)
2 card slots
88
has manual focus
interchangeable lenses (Sony E mount)
good sized screen (3 inches)
image stabilization (Sensor based 5-axis)
excellent megapixels (61 megapixels)
sensor size is large (Full frame)
doesnt have low pass filter
great ISO range (32,000)
exports RAW files
environment sealing
great battery power (670 per charge)
2 card slots
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Vlogging Comparison

Sony A7 III as a Vlogging camera
Sony A7R IV as a Vlogging camera
36
touchscreen enabled
has image stabilization (Sensor based 5-axis)
comes with face detection autofocus
high res video (3840 x 2160 resolution)
comes with external microphone support
display isn't selfie friendly
37
has touchscreen
image stabilization (Sensor based 5-axis)
comes with face detect focusing
video resolution high (3840 x 2160 pxls)
includes microphone support
display isn't selfie friendly
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Sony A7 III vs Sony A7R IV Specifications

Detailed spec comparison table for Sony A7 III and Sony A7R IV
 Sony Alpha A7 IIISony Alpha A7R IV
General Information
Company Sony Sony
Model Sony Alpha A7 III Sony Alpha A7R IV
Category Pro Mirrorless Pro Mirrorless
Announced 2018-02-27 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 measurements 35.8 x 23.8mm 35.8 x 23.8mm
Sensor area 852.0mm² 852.0mm²
Sensor resolution 24 megapixel 61 megapixel
Anti aliasing filter
Aspect ratio 3:2 and 16:9 1:1, 4:3, 3:2 and 16:9
Maximum resolution 6000 x 4000 9504 x 6336
Maximum native ISO 51200 32000
Maximum boosted ISO 204800 102800
Min native ISO 100 100
RAW format
Min boosted ISO 50 50
Autofocusing
Manual focus
Touch to focus
Continuous AF
Single AF
AF tracking
Selective AF
Center weighted AF
AF multi area
AF live view
Face detect AF
Contract detect AF
Phase detect AF
Number of focus points 693 567
Lens
Lens mounting type Sony E Sony E
Available lenses 121 121
Focal length multiplier 1 1
Screen
Display type Tilting Tilting
Display sizing 3" 3"
Display resolution 922 thousand dots 1,440 thousand dots
Selfie friendly
Liveview
Touch function
Viewfinder Information
Viewfinder type Electronic Electronic
Viewfinder resolution 2,359 thousand dots 5,760 thousand dots
Viewfinder coverage 100% 100%
Viewfinder magnification 0.78x 0.78x
Features
Lowest shutter speed 30s 30s
Highest shutter speed 1/8000s 1/8000s
Continuous shooting rate 10.0fps 10.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set WB
Image stabilization
Integrated flash
Flash range no built-in flash no built-in flash
Flash options no built-in flash Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync.
External flash
Auto exposure bracketing
White balance bracketing
Highest flash synchronize - 1/250s
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 3840 x 2160 (30p, 24p) 1920 x 1080 (120p, 60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p) 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM
Maximum video resolution 3840x2160 3840x2160
Video format MPEG-4, AVCHD, XAVC S, H.264 MPEG-4, XAVC S, H.264
Microphone support
Headphone support
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 proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 650 grams (1.43 pounds) 665 grams (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 All around score 96 99
DXO Color Depth score 25.0 26.0
DXO Dynamic range score 14.7 14.8
DXO Low light score 3730 3344
Other
Battery life 610 images 670 images
Battery style Battery Pack Battery Pack
Battery model NP-FZ100 NP-FZ100
Self timer Yes (2 or 10 sec; continuous (3 or 5 exposures)) Yes
Time lapse feature
Type of storage SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo Dual SD/SDHC/SDXC (UHS-II compatible)
Card slots Dual Dual
Retail cost $1,998 $3,498