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Sony A7R III vs Sony RX10 IV

Portability
63
Imaging
78
Features
93
Overall
84
Sony Alpha A7R III front
 
Sony Cyber-shot DSC-RX10 IV front
Portability
52
Imaging
53
Features
82
Overall
64

Sony A7R III vs Sony RX10 IV 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 Maximum Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 657g - 127 x 96 x 74mm
  • Revealed October 2017
  • Previous Model is Sony A7R II
  • Renewed by Sony A7R IV
Sony RX10 IV
(Full Review)
  • 20MP - 1" Sensor
  • 3" Tilting Screen
  • ISO 125 - 12800 (Increase to 25600)
  • Optical Image Stabilization
  • 3840 x 2160 video
  • 24-600mm (F2.4-4.0) lens
  • 1095g - 133 x 94 x 145mm
  • Revealed September 2017
  • Earlier Model is Sony RX10 III
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Sony A7R III vs Sony RX10 IV Overview

Here, we will be looking at the Sony A7R III and Sony RX10 IV, former being a Pro Mirrorless while the latter is a Large Sensor Superzoom and they are both manufactured by Sony. There exists a substantial gap among the image resolutions of the A7R III (42MP) and RX10 IV (20MP) and the A7R III (Full frame) and RX10 IV (1") provide different sensor size.

Photography Glossary

The A7R III was manufactured 2 months later than the RX10 IV which means that they are both of a similar age. Both cameras feature different body design with the Sony A7R III being a SLR-style mirrorless camera and the Sony RX10 IV being a SLR-like (bridge) camera.

Before delving into a detailed comparison, here is a concise summary of how the A7R III matches up versus the RX10 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 RX10 IV

 A7R III RX10 IV 

Reasons to pick Sony RX10 IV over the Sony A7R III

 RX10 IV A7R III 

Common features in the Sony A7R III and Sony RX10 IV

 A7R III RX10 IV 
RevealedOctober 2017September 2017Same age
Focus manually More exact focusing
Screen typeTiltingTiltingTilting screen
Screen size3"3"Same screen size
Screen resolution1440k1440kEqual screen resolution
Selfie screen Absent selfie screen
Touch screen Quickly navigate

Sony A7R III vs Sony RX10 IV Physical Comparison

In case you're intending to lug around your camera, you have to factor in its weight and volume. The Sony A7R III enjoys outer dimensions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") accompanied by a weight of 657 grams (1.45 lbs) and the Sony RX10 IV has sizing of 133mm x 94mm x 145mm (5.2" x 3.7" x 5.7") along with a weight of 1095 grams (2.41 lbs).

Check the Sony A7R III and Sony RX10 IV in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an ILC will differ based on the lens you are working with at that moment. Underneath is a front view sizing comparison of the A7R III versus the RX10 IV.

Sony A7R III vs Sony RX10 IV size comparison

Considering dimensions and weight, the portability score of the A7R III and RX10 IV is 63 and 52 respectively.

Sony A7R III vs Sony RX10 IV top view buttons comparison

Sony A7R III vs Sony RX10 IV Sensor Comparison

Quite often, it is tough to picture the gap in sensor measurements simply by researching specifications. The visual below should give you a better sense of the sensor dimensions in the A7R III and RX10 IV.

To sum up, each of the cameras come with different megapixels and different sensor measurements. The A7R III because of its bigger sensor is going to make shooting bokeh easier and the Sony A7R III will provide you with extra detail due to its extra 22 Megapixels. Higher resolution will make it easier to crop pictures a good deal more aggressively.

Sony A7R III vs Sony RX10 IV sensor size comparison

Sony A7R III vs Sony RX10 IV Screen and ViewFinder

Sony A7R III vs Sony RX10 IV Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony A7R III Portrait photography features
Sony RX10 IV Portrait photography features
86
manual focus
amazing MP (42MP)
sensor size is great (Full frame)
offers face detection autofocus
supports RAW files
71
focusing manually
above average flash sync (1/2,000 seconds)
decent megapixels (20MP)
sensor size is decent (1")
includes face detect focus
supports RAW files
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Street Comparison

Sony A7R III Street photography info
Sony RX10 IV Street photography info
79
screen tilts
image stabilization (Sensor based 5-axis)
sensor size is great (Full frame)
supports RAW files
has focus via touch
environment sealing
good high ISO (32,000)
64
screen tilts
image stabilization (Optical)
sensor size is decent (1")
supports RAW files
provides focus via touch
environment proof
heavier than competitors (1,095g)
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Sports Comparison

Sony A7R III Sports photography highlights
Sony RX10 IV Sports photography highlights
89
max shutter speed is good (1/8,000 seconds)
image stabilization (Sensor based 5-axis)
amazing MP (42MP)
sensor size is great (Full frame)
offers tracking autofocus
environment sealing
better than average battery pack (650 CIPA)
has phase detect autofocus
76
long zoom range (24-600mm 25.0 x zoom)
silent mode (1/32,000s)
max fps high (24.0 fps)
image stabilization (Optical)
decent megapixels (20MP)
sensor size is decent (1")
includes tracking focus
environment proof
comes with phase detect auto focus
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Travel Comparison

Travel photography with Sony A7R III
Travel photography with Sony RX10 IV
74
better than average battery pack (650 per charge)
environment sealing
has bluetooth
has focus via touch
amazing MP (42MP)
screen isn't selfie friendly
56
environment proof
supports bluetooth
provides focus via touch
decent megapixels (20 megapixels)
flash built-in
rather wide (24mm)
great zoom (600mm)
doesn't have Time Lapse function
heavier than competitors (1,095g)
screen isn't selfie friendly
sluggish maximum aperture (f2.4)
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Landscape Comparison

Sony A7R III as a Landscape photography camera
Sony RX10 IV as a Landscape photography camera
87
manual focus
change lenses (Sony E mount)
screen is a decent size (3 inches)
image stabilization (Sensor based 5-axis)
amazing MP (42 megapixels)
sensor size is great (Full frame)
no low pass filter
good high ISO (32,000)
supports RAW files
environment sealing
better than average battery pack (650 per charge)
has dual storage slots
62
focusing manually
rather wide (24mm)
pretty good screen size (3 inch)
image stabilization (Optical)
decent megapixels (20 megapixels)
sensor size is decent (1")
supports RAW files
environment proof
cannot change lenses (fixed lens mount)
sluggish maximum aperture (f2.4)
doesn't have Time Lapse function
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Vlogging Comparison

Sony A7R III Vlogging info
Sony RX10 IV Vlogging info
37
built-in touchscreen
image stabilization (Sensor based 5-axis)
offers face detection autofocus
video res high (3840 x 2160 pxls)
has external mic jack
screen isn't selfie friendly
29
rather wide (24mm)
built-in touchscreen
image stabilization (Optical)
includes face detect focus
video resolution high (3840 x 2160 pxls)
does have mic support
sluggish maximum aperture (f2.4)
screen isn't selfie friendly
heavier than competitors (1,095g)
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Sony A7R III vs Sony RX10 IV Specifications

Detailed spec comparison table for Sony A7R III and Sony RX10 IV
 Sony Alpha A7R IIISony Cyber-shot DSC-RX10 IV
General Information
Make Sony Sony
Model Sony Alpha A7R III Sony Cyber-shot DSC-RX10 IV
Category Pro Mirrorless Large Sensor Superzoom
Revealed 2017-10-25 2017-09-12
Physical type SLR-style mirrorless SLR-like (bridge)
Sensor Information
Processor Bionz X Bionz X
Sensor type BSI-CMOS BSI-CMOS
Sensor size Full frame 1"
Sensor dimensions 35.9 x 24mm 13.2 x 8.8mm
Sensor surface area 861.6mm² 116.2mm²
Sensor resolution 42MP 20MP
Anti aliasing filter
Aspect ratio 3:2 and 16:9 1:1, 4:3, 3:2 and 16:9
Peak resolution 7952 x 5304 5472 x 3648
Highest native ISO 32000 12800
Highest enhanced ISO 102400 25600
Minimum native ISO 100 125
RAW pictures
Minimum enhanced ISO 50 64
Autofocusing
Focus manually
AF touch
AF continuous
Single AF
AF tracking
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detection AF
Contract detection AF
Phase detection AF
Number of focus points 425 315
Lens
Lens mount Sony E fixed lens
Lens focal range - 24-600mm (25.0x)
Maximal aperture - f/2.4-4.0
Macro focus distance - 3cm
Available lenses 121 -
Focal length multiplier 1 2.7
Screen
Type of screen Tilting Tilting
Screen diagonal 3 inches 3 inches
Resolution of screen 1,440k dots 1,440k dots
Selfie friendly
Liveview
Touch function
Viewfinder Information
Viewfinder Electronic Electronic
Viewfinder resolution 3,686k dots 2,359k dots
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.78x 0.7x
Features
Min shutter speed 30 secs 30 secs
Max shutter speed 1/8000 secs 1/2000 secs
Max silent shutter speed - 1/32000 secs
Continuous shutter rate 10.0 frames per second 24.0 frames per second
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Custom WB
Image stabilization
Inbuilt flash
Flash range no built-in flash 10.80 m (at Auto ISO)
Flash options Off, Auto, Fill-flash, Slow Sync, Rear Sync, Red-eye reduction, Wireless, Hi-speed sync Auto, fill-flash, slow sync, rear sync, off
Hot shoe
AE bracketing
WB bracketing
Max flash synchronize - 1/2000 secs
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) 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p, 60i, 24p) ,1440 x 1080 (30p), 640 x 480 (30p)
Highest video resolution 3840x2160 3840x2160
Video format MPEG-4, AVCHD, XAVC S MPEG-4, AVCHD, XAVC S
Mic support
Headphone support
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
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 657 grams (1.45 lbs) 1095 grams (2.41 lbs)
Physical dimensions 127 x 96 x 74mm (5.0" x 3.8" x 2.9") 133 x 94 x 145mm (5.2" x 3.7" x 5.7")
DXO scores
DXO Overall score 100 not tested
DXO Color Depth score 26.0 not tested
DXO Dynamic range score 14.7 not tested
DXO Low light score 3523 not tested
Other
Battery life 650 shots 400 shots
Battery style Battery Pack Battery Pack
Battery model NP-FZ100 NP-FW50
Self timer Yes (2 or 10 sec; continuous (3 or 5 exposures)) Yes (2 or 10 sec, continuous)
Time lapse recording
Storage type Two SD/SDHC/SDXC slots (UHS-II support on one) SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Card slots Dual Single
Launch cost $2,800 $1,698