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Sony A7R III vs Sony A7c

Portability
63
Imaging
78
Features
93
Overall
84
Sony Alpha A7R III front
 
Sony Alpha A7c front
Portability
78
Imaging
76
Features
88
Overall
80

Sony A7R III vs Sony A7c Key Specs

Sony A7R III
(Full Review)
  • 42MP - Full frame Sensor
  • 3" Tilting Display
  • ISO 100 - 32000 (Bump 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
  • Launched October 2017
  • Old Model is Sony A7R II
  • Updated by Sony A7R IV
Sony A7c
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Fully Articulated Screen
  • ISO 100 - 51200 (Raise to 204800)
  • Sensor based 5-axis Image Stabilization
  • 3840 x 2160 video
  • Sony E Mount
  • 509g - 124 x 71 x 60mm
  • Launched September 2020
Photography Glossary

Sony A7R III vs Sony A7c Overview

Lets look closer at the Sony A7R III versus Sony A7c, former is a Pro Mirrorless while the latter is a Advanced Mirrorless and they are both designed by Sony. There exists a substantial gap between the resolutions of the A7R III (42MP) and A7c (24MP) but they feature the same exact sensor sizes (Full frame).

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The A7R III was launched 3 years earlier than the A7c which is quite a big difference as far as technology is concerned. Both cameras offer different body type with the Sony A7R III being a SLR-style mirrorless camera and the Sony A7c being a Rangefinder-style mirrorless camera.

Before delving in to a in depth comparison, below is a brief summary of how the A7R III grades against the A7c in the way of portability, imaging, features and an overall score.

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Reasons to pick Sony A7R III over the Sony A7c

 A7R III A7c 
Screen resolution1440k922kCrisper screen (+518k dot)

Reasons to pick Sony A7c over the Sony A7R III

 A7c A7R III 
LaunchedSeptember 2020October 2017More modern by 35 months
Screen typeFully articulatedTiltingFully Articulating screen
Selfie screen Easy selfies

Common features in the Sony A7R III and Sony A7c

 A7R III A7c 
Focus manually Dial exact focusing
Screen sizing3"3"Equivalent screen dimensions
Touch screen Quickly navigate

Sony A7R III vs Sony A7c Physical Comparison

For those who are looking to carry around your camera often, you need to factor in its weight and volume. The Sony A7R III has got physical 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) whilst the Sony A7c has sizing of 124mm x 71mm x 60mm (4.9" x 2.8" x 2.4") with a weight of 509 grams (1.12 lbs).

Check the Sony A7R III versus Sony A7c in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an ILC will change depending on the lens you have chosen at the time. Underneath is the front view size comparison of the A7R III compared to the A7c.

Sony A7R III vs Sony A7c size comparison

Looking at dimensions and weight, the portability grade of the A7R III and A7c is 63 and 78 respectively.

Sony A7R III vs Sony A7c top view buttons comparison

Sony A7R III vs Sony A7c Sensor Comparison

Sometimes, it can be tough to imagine the contrast between sensor sizes just by going over technical specs. The pic below might offer you a greater sense of the sensor sizes in the A7R III and A7c.

As you have seen, both cameras enjoy the same exact sensor sizing albeit different MP. You can count on the Sony A7R III to offer extra detail utilizing its extra 18MP. Higher resolution will enable you to crop pictures far more aggressively. The more aged A7R III is going to be behind in sensor tech.

Sony A7R III vs Sony A7c sensor size comparison

Sony A7R III vs Sony A7c Screen and ViewFinder

Sony A7R III vs Sony A7c Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony A7R III as a Portrait photography camera
Sony A7c as a Portrait photography camera
86
has manual focus
sensor resolution is amazing (42MP)
sensor size is big (Full frame)
supports face detect focusing
exports RAW formats
78
manual focus
resolution is good (24MP)
large sensor size (Full frame)
offers face detect focusing
saves RAW files
can't use external flash
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Street Comparison

Sony A7R III Street photography information
Sony A7c Street photography information
79
tilting screen
image stabilization (Sensor based 5-axis)
sensor size is big (Full frame)
exports RAW formats
has focus by touch
environment proof
above average high ISO (32,000)
85
has image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
saves RAW files
supports focus via touch
weather sealing
great high ISO (51,200)
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Sports Comparison

Sony A7R III as a Sports photography camera
Sony A7c as a Sports photography camera
89
high shutter speed (1/8,000 seconds)
image stabilization (Sensor based 5-axis)
sensor resolution is amazing (42 megapixels)
sensor size is big (Full frame)
supports tracking focus
environment proof
good battery power (650 per charge)
has phase detect AF
88
quiet shutter (1/8,000 seconds)
has image stabilization (Sensor based 5-axis)
resolution is good (24MP)
large sensor size (Full frame)
offers tracking focus
weather sealing
great battery (740 shots)
supports phase detect AF
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Travel Comparison

Sony A7R III Travel photography info
Sony A7c Travel photography info
74
good battery power (650 CIPA)
environment proof
has bluetooth
has focus by touch
sensor resolution is amazing (42 megapixels)
screen is not selfie friendly
86
great battery (740 per charge)
weather sealing
has bluetooth
supports focus via touch
resolution is good (24MP)
display is selfie friendly
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Landscape Comparison

Sony A7R III as a Landscape photography camera
Sony A7c as a Landscape photography camera
87
has manual focus
swap lenses (Sony E mount)
decent sized screen (3 inches)
image stabilization (Sensor based 5-axis)
sensor resolution is amazing (42MP)
sensor size is big (Full frame)
does not have anti-alias filter
above average high ISO (32,000)
exports RAW formats
environment proof
good battery power (650 per charge)
two card slots
88
manual focus
interchangeable lenses (Sony E mount)
screen size is good (3 inches)
has image stabilization (Sensor based 5-axis)
resolution is good (24 megapixels)
large sensor size (Full frame)
great high ISO (51,200)
saves RAW files
weather sealing
great battery (740 CIPA)
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Vlogging Comparison

Vlogging with Sony A7R III
Vlogging with Sony A7c
37
built-in touchscreen
image stabilization (Sensor based 5-axis)
supports face detect focusing
video res high (3840 x 2160 pixels)
has microphone socket
screen is not selfie friendly
86
display is selfie friendly
screen is touchscreen
has image stabilization (Sensor based 5-axis)
offers face detect focusing
video resolution high (3840 x 2160 resolution)
comes with microphone support
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Sony A7R III vs Sony A7c Specifications

Detailed spec comparison table for Sony A7R III and Sony A7c
 Sony Alpha A7R IIISony Alpha A7c
General Information
Company Sony Sony
Model Sony Alpha A7R III Sony Alpha A7c
Category Pro Mirrorless Advanced Mirrorless
Launched 2017-10-25 2020-09-14
Physical type SLR-style mirrorless Rangefinder-style mirrorless
Sensor Information
Processor Chip Bionz X -
Sensor type BSI-CMOS BSI-CMOS
Sensor size Full frame Full frame
Sensor measurements 35.9 x 24mm 35.8 x 23.8mm
Sensor area 861.6mm² 852.0mm²
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 51200
Highest boosted ISO 102400 204800
Min native ISO 100 100
RAW data
Min boosted ISO 50 50
Autofocusing
Manual focus
Autofocus touch
Continuous autofocus
Autofocus single
Autofocus tracking
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Number of focus points 425 693
Lens
Lens mounting type Sony E Sony E
Total lenses 121 122
Crop factor 1 1
Screen
Type of display Tilting Fully articulated
Display diagonal 3 inches 3 inches
Resolution of display 1,440k dots 922k dots
Selfie friendly
Liveview
Touch function
Viewfinder Information
Viewfinder type Electronic Electronic
Viewfinder resolution 3,686k dots 2,360k dots
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.78x 0.59x
Features
Slowest shutter speed 30 secs 30 secs
Maximum shutter speed 1/8000 secs 1/4000 secs
Maximum quiet shutter speed - 1/8000 secs
Continuous shooting rate 10.0 frames/s 10.0 frames/s
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Inbuilt flash
Flash range 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 no built-in flash
Hot shoe
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) 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
Microphone support
Headphone support
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 3.1 Gen 1(5 GBit/sec) USB 3.2 Gen 1 (5 GBit/sec)
GPS None None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 657 grams (1.45 lb) 509 grams (1.12 lb)
Dimensions 127 x 96 x 74mm (5.0" x 3.8" x 2.9") 124 x 71 x 60mm (4.9" x 2.8" x 2.4")
DXO scores
DXO All around 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 740 shots
Form of battery Battery Pack Battery Pack
Battery model NP-FZ100 NP-FZ100
Self timer Yes (2 or 10 sec; continuous (3 or 5 exposures)) Yes (2 or 10 sec; continuous (3 or 5 exposures))
Time lapse feature
Storage type Two SD/SDHC/SDXC slots (UHS-II support on one) SD/SDHC/SDXC card (UHS-II supported)
Card slots Two Single
Cost at launch $2,800 $1,800