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Ricoh GR III vs Sony A7S III

Portability
90
Imaging
69
Features
62
Overall
66
Ricoh GR III front
 
Sony Alpha A7S III front
Portability
61
Imaging
65
Features
92
Overall
75

Ricoh GR III vs Sony A7S III Key Specs

Ricoh GR III
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 100 - 102400
  • Sensor-shift Image Stabilization
  • No Anti-Alias Filter
  • 1920 x 1080 video
  • 28mm (F2.8-16) lens
  • 257g - 109 x 62 x 33mm
  • Revealed September 2018
  • Superseded the Ricoh GR III
  • Replacement is Ricoh GR III
Sony A7S III
(Full Review)
  • 12MP - Full frame Sensor
  • 3" Fully Articulated Display
  • ISO 80 - 102400 (Raise to 409600)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 699g - 129 x 97 x 81mm
  • Revealed July 2020
  • Previous Model is Sony A7S II
Photography Glossary

Ricoh GR III vs Sony A7S III Overview

In this article, we are contrasting the Ricoh GR III vs Sony A7S III, former is a Large Sensor Compact while the other is a Pro Mirrorless by rivals Ricoh and Sony. There is a large difference among the image resolutions of the GR III (24MP) and A7S III (12MP) and the GR III (APS-C) and A7S III (Full frame) possess different sensor dimensions.

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The GR III was announced 22 months before the A7S III making the cameras a generation away from each other. Both of these cameras offer different body type with the Ricoh GR III being a Large Sensor Compact camera and the Sony A7S III being a SLR-style mirrorless camera.

Before getting straight into a in depth comparison, below is a concise summary of how the GR III scores versus the A7S III with regards to portability, imaging, features and an overall mark.

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Reasons to pick Ricoh GR III over the Sony A7S III

 GR III A7S III 

Reasons to pick Sony A7S III over the Ricoh GR III

 A7S III GR III 
RevealedJuly 2020September 2018Newer by 22 months
Display typeFully articulatedFixed Fully Articulating display
Display resolution1440k1037kSharper display (+403k dot)
Selfie screen Easy selfies

Common features in the Ricoh GR III and Sony A7S III

 GR III A7S III 
Focus manually Very exact focus
Display sizing3"3"Equivalent display sizing
Touch display Easily navigate

Ricoh GR III vs Sony A7S III Physical Comparison

When you are intending to travel with your camera frequently, you need to factor in its weight and size. The Ricoh GR III provides outside measurements of 109mm x 62mm x 33mm (4.3" x 2.4" x 1.3") along with a weight of 257 grams (0.57 lbs) while the Sony A7S III has specifications of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") and a weight of 699 grams (1.54 lbs).

Look at the Ricoh GR III vs Sony A7S III in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an ILC will differ depending on the lens you have during that time. The following is the front view measurement comparison of the GR III and the A7S III.

Ricoh GR III vs Sony A7S III size comparison

Looking at size and weight, the portability rating of the GR III and A7S III is 90 and 61 respectively.

Ricoh GR III vs Sony A7S III top view buttons comparison

Ricoh GR III vs Sony A7S III Sensor Comparison

Generally, it's hard to visualize the contrast in sensor dimensions only by viewing specifications. The pic here may give you a greater sense of the sensor measurements in the GR III and A7S III.

To sum up, each of the cameras enjoy different resolutions and different sensor dimensions. The GR III having a smaller sensor is going to make achieving shallower DOF harder and the Ricoh GR III will render greater detail with its extra 12 Megapixels. Greater resolution will enable you to crop images far more aggressively. The more aged GR III will be disadvantaged when it comes to sensor innovation.

Ricoh GR III vs Sony A7S III sensor size comparison

Ricoh GR III vs Sony A7S III Screen and ViewFinder

Ricoh GR III vs Sony A7S III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Ricoh GR III Portrait photography info
Sony A7S III Portrait photography info
81
focusing manually
sensor resolution is decent (24MP)
good sensor size (APS-C)
comes with face detection focusing
supports RAW formats
71
focusing manually
sensor size is large (Full frame)
features face detection focus
delivers RAW files
low MP (12MP)
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Street Comparison

Ricoh GR III Street photography advice
Sony A7S III Street photography advice
84
image stabilization (Sensor-shift)
good sensor size (APS-C)
supports RAW formats
has touch focus
lighter than average in class (257g)
great high ISO (102,400)
no moving screen
76
has image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
delivers RAW files
comes with focus by touch
weather proofing
above average high ISO (102,400)
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Sports Comparison

Ricoh GR III Sports photography advice
Sony A7S III Sports photography advice
76
image stabilization (Sensor-shift)
sensor resolution is decent (24 megapixels)
good sensor size (APS-C)
comes with tracking autofocus
has phase detect AF
focal length is fixed (28mm)
76
maximum shutter speed is high (1/8,000s)
has image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
features tracking autofocus
weather proofing
good battery life (600 CIPA)
comes with phase detect auto focus
low MP (12 megapixels)
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Travel Comparison

Ricoh GR III as a Travel photography camera
Sony A7S III as a Travel photography camera
69
lighter than average in class (257 grams)
has touch focus
sensor resolution is decent (24MP)
missing Time Lapse function
does not offer selfie friendly screen
somewhat slow maximum aperture (f2.8)
70
good battery life (600 CIPA)
weather proofing
supports bluetooth
comes with focus by touch
selfie friendly screen
low MP (12MP)
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Landscape Comparison

Ricoh GR III Landscape photography factors
Sony A7S III Landscape photography factors
69
focusing manually
screen is a decent size (3 inches)
image stabilization (Sensor-shift)
sensor resolution is decent (24 megapixels)
good sensor size (APS-C)
doesnt have low pass filter
great high ISO (102,400)
supports RAW formats
can't change lenses (fixed lens mount)
focal length is fixed (28mm)
somewhat slow maximum aperture (f2.8)
missing Time Lapse function
77
focusing manually
swap lenses (Sony E mount)
screen size is good (3")
has image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
above average high ISO (102,400)
delivers RAW files
weather proofing
good battery life (600 CIPA)
two card slots
low MP (12MP)
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Vlogging Comparison

Ricoh GR III Vlogging features
Sony A7S III Vlogging features
37
built-in touchscreen
image stabilization (Sensor-shift)
comes with face detection focusing
video resolution high (1920 x 1080 pixels)
lighter than average in class (257g)
somewhat slow maximum aperture (f2.8)
does not offer selfie friendly screen
missing external mic support
77
selfie friendly screen
touchscreen functionality
has image stabilization (Sensor based 5-axis)
features face detection focus
high res video (3840 x 2160 pixels)
does have external microphone socket
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Ricoh GR III vs Sony A7S III Specifications

Detailed spec comparison table for Ricoh GR III and Sony A7S III
 Ricoh GR IIISony Alpha A7S III
General Information
Company Ricoh Sony
Model Ricoh GR III Sony Alpha A7S III
Class Large Sensor Compact Pro Mirrorless
Revealed 2018-09-25 2020-07-21
Physical type Large Sensor Compact SLR-style mirrorless
Sensor Information
Chip - Bionz XR
Sensor type CMOS BSI-CMOS
Sensor size APS-C Full frame
Sensor measurements 23.5 x 15.6mm 35.6 x 23.8mm
Sensor surface area 366.6mm² 847.3mm²
Sensor resolution 24 megapixels 12 megapixels
Anti aliasing filter
Aspect ratio 1:1 and 3:2 3:2 and 16:9
Peak resolution 6000 x 4000 4240 x 2832
Highest native ISO 102400 102400
Highest enhanced ISO - 409600
Lowest native ISO 100 80
RAW pictures
Lowest enhanced ISO - 50
Autofocusing
Focus manually
Touch focus
Continuous AF
AF single
Tracking AF
AF selectice
AF center weighted
AF multi area
Live view AF
Face detection AF
Contract detection AF
Phase detection AF
Number of focus points - 759
Lens
Lens mounting type fixed lens Sony E
Lens focal range 28mm (1x) -
Highest aperture f/2.8-16 -
Macro focus distance 6cm -
Amount of lenses - 121
Crop factor 1.5 1
Screen
Screen type Fixed Type Fully articulated
Screen size 3 inch 3 inch
Resolution of screen 1,037 thousand dots 1,440 thousand dots
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder Optical (optional) Electronic
Viewfinder resolution - 9,440 thousand dots
Viewfinder coverage - 100%
Viewfinder magnification - 0.91x
Features
Minimum shutter speed 30 secs 30 secs
Fastest shutter speed 1/4000 secs 1/8000 secs
Continuous shutter rate - 10.0 frames per second
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Change WB
Image stabilization
Built-in flash
Flash range no built-in flash no built-in flash
Flash settings Auto, Flash On, Flash On+Red-eye, Slow-speed Sync, Slow Sync+Red-eye no built-in flash
External flash
AEB
White balance bracketing
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 1920 x 1080 @ 60p, MOV, H.264, Linear PCM 3840 x 2160 @ 120p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 100p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 60p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 50p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 30p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 25p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 24p / 100 Mbps, XAVC S, MP4, H.265, Linear PCM 1920 x 1080 @ 120p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 100p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 60p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 50p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 25p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 24p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM
Highest video resolution 1920x1080 3840x2160
Video format MPEG-4, H.264 MPEG-4, XAVC S, XAVC HS, XAVC S-1, H.264, H.265
Microphone port
Headphone port
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB Yes 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 257 gr (0.57 lb) 699 gr (1.54 lb)
Dimensions 109 x 62 x 33mm (4.3" x 2.4" x 1.3") 129 x 97 x 81mm (5.1" x 3.8" x 3.2")
DXO scores
DXO Overall score not tested 85
DXO Color Depth score not tested 23.6
DXO Dynamic range score not tested 13.3
DXO Low light score not tested 2993
Other
Battery life - 600 shots
Battery type - Battery Pack
Battery model - NP-FZ100
Self timer Yes Yes (2 or 10 sec; continuous (3 or 5 exposures))
Time lapse recording With downloadable app
Type of storage Internal, SD/SDHC/SDXC (UHS-I supported) Dual SD/CFexpress Type A slots
Card slots 1 2
Pricing at release $900 $3,499