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Sony A7R IV vs Sony G3

Portability
62
Imaging
81
Features
93
Overall
85
Sony Alpha A7R IV front
 
Sony Cyber-shot DSC-G3 front
Portability
94
Imaging
33
Features
30
Overall
31

Sony A7R IV vs Sony G3 Key Specs

Sony A7R IV
(Full Review)
  • 61MP - Full frame Sensor
  • 3" Tilting Display
  • ISO 100 - 32000 (Bump 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
  • Launched July 2019
  • Superseded the Sony A7R III
  • Updated by Sony A7R V
Sony G3
(Full Review)
  • 10MP - 1/2.3" Sensor
  • 3.5" Fixed Screen
  • ISO 80 - 3200
  • Optical Image Stabilization
  • 640 x 480 video
  • 35-140mm (F3.5-10.0) lens
  • 185g - 97 x 59 x 22mm
  • Released January 2009
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Sony A7R IV vs Sony G3 Overview

Below, we will be analyzing the Sony A7R IV and Sony G3, one is a Pro Mirrorless and the latter is a Small Sensor Compact and both of them are designed by Sony. There exists a significant gap among the image resolutions of the A7R IV (61MP) and G3 (10MP) and the A7R IV (Full frame) and G3 (1/2.3") feature different sensor dimensions.

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The A7R IV was launched 10 years after the G3 which is a fairly sizable gap as far as camera technology is concerned. Each of these cameras come with different body type with the Sony A7R IV being a SLR-style mirrorless camera and the Sony G3 being a Compact camera.

Before getting straight into a step-by-step comparison, below is a brief summary of how the A7R IV matches up versus the G3 with regard to portability, imaging, features and an overall mark.

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Reasons to pick Sony A7R IV over the Sony G3

 A7R IV G3 
ReleasedJuly 2019January 2009Newer by 129 months
Screen typeTiltingFixed Tilting screen
Screen resolution1440k921kSharper screen (+519k dot)

Reasons to pick Sony G3 over the Sony A7R IV

 G3 A7R IV 
Screen dimension3.5"3"Bigger screen (+0.5")

Common features in the Sony A7R IV and Sony G3

 A7R IV G3 
Manual focus More accurate focusing
Selfie screen Missing selfie screen
Touch screen Quickly navigate

Sony A7R IV vs Sony G3 Physical Comparison

For those who are going to travel with your camera often, you will have to take into account its weight and measurements. The Sony A7R IV enjoys outside measurements of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") accompanied by a weight of 665 grams (1.47 lbs) whilst the Sony G3 has proportions of 97mm x 59mm x 22mm (3.8" x 2.3" x 0.9") along with a weight of 185 grams (0.41 lbs).

Look at the Sony A7R IV and Sony G3 in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an Interchangeable Lens Camera will change based on the lens you use at that moment. Here is the front view dimension comparison of the A7R IV against the G3.

Sony A7R IV vs Sony G3 size comparison

Factoring in dimensions and weight, the portability grade of the A7R IV and G3 is 62 and 94 respectively.

Sony A7R IV vs Sony G3 top view buttons comparison

Sony A7R IV vs Sony G3 Sensor Comparison

Sometimes, it is very difficult to visualize the contrast in sensor dimensions just by researching specifications. The pic below should give you a greater sense of the sensor sizing in the A7R IV and G3.

To sum up, both cameras posses different megapixel count and different sensor dimensions. The A7R IV because of its bigger sensor is going to make shooting shallower depth of field easier and the Sony A7R IV will provide you with more detail utilizing its extra 51 Megapixels. Higher resolution will allow you to crop photographs somewhat more aggressively. The fresher A7R IV should have an advantage when it comes to sensor tech.

Sony A7R IV vs Sony G3 sensor size comparison

Sony A7R IV vs Sony G3 Screen and ViewFinder

Sony A7R IV vs Sony G3 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony A7R IV Portrait photography features
Sony G3 Portrait photography features
88
manual focus
high resolution (61MP)
sensor size is big (Full frame)
provides face detect focus
saves RAW formats
26
has manual focus
manual exposure not possible
no external flash support
low resolution (10MP)
sensor size is very small (1/2.3")
lacks RAW support
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Street Comparison

Street photography with Sony A7R IV
Street photography with Sony G3
79
has a tilting screen
image stabilization (Sensor based 5-axis)
sensor size is big (Full frame)
saves RAW formats
provides touch focus
weather sealing
above average high ISO (32,000)
56
built in image stabilization (Optical)
fixed screen
sensor size is very small (1/2.3")
lacks RAW support
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Sports Comparison

Sony A7R IV as a Sports photography camera
Sony G3 as a Sports photography camera
90
max shutter speed is good (1/8,000s)
image stabilization (Sensor based 5-axis)
high resolution (61MP)
sensor size is big (Full frame)
provides tracking focus
weather sealing
better than average battery (670 shots)
comes with phase detect auto focus
23
built in image stabilization (Optical)
low max shutter speed (1/1,000s)
continuous shooting slow (2.0 frames per second)
no shutter priority
low resolution (10MP)
sensor size is very small (1/2.3")
lacks phase detect AF
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Travel Comparison

Sony A7R IV Travel photography advice
Sony G3 Travel photography advice
74
better than average battery (670 CIPA)
weather sealing
supports bluetooth
provides touch focus
high resolution (61MP)
doesn't offer selfie friendly display
50
has built in flash
no Time Lapse function
low resolution (10 megapixels)
does not contain selfie friendly display
wide angle not good (35mm)
somewhat slow max aperture (f3.5)
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Landscape Comparison

Sony A7R IV as a Landscape photography camera
Sony G3 as a Landscape photography camera
88
manual focus
switch lenses (Sony E mount)
nice screen size (3")
image stabilization (Sensor based 5-axis)
high resolution (61MP)
sensor size is big (Full frame)
doesnt have anti aliasing filter
above average high ISO (32,000)
saves RAW formats
weather sealing
better than average battery (670 per charge)
two card slots
36
has manual focus
bigger than average screen (3.5 inches)
built in image stabilization (Optical)
lens is fixed (fixed lens mount)
wide angle not good (35mm)
somewhat slow max aperture (f3.5)
manual exposure not possible
low resolution (10MP)
sensor size is very small (1/2.3")
lacks RAW support
no Time Lapse function
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Vlogging Comparison

Sony A7R IV Vlogging info
Sony G3 Vlogging info
37
screen is touchscreen
image stabilization (Sensor based 5-axis)
provides face detect focus
high quality video (3840 x 2160 pixels)
does have microphone socket
doesn't offer selfie friendly display
27
screen is touchscreen
built in image stabilization (Optical)
wide angle not good (35mm)
somewhat slow max aperture (f3.5)
does not contain selfie friendly display
low quality video (640 x 480 pixels)
no mic port
Photography Glossary

Sony A7R IV vs Sony G3 Specifications

Detailed spec comparison table for Sony A7R IV and Sony G3
 Sony Alpha A7R IVSony Cyber-shot DSC-G3
General Information
Brand Name Sony Sony
Model Sony Alpha A7R IV Sony Cyber-shot DSC-G3
Class Pro Mirrorless Small Sensor Compact
Launched 2019-07-16 2009-01-08
Body design SLR-style mirrorless Compact
Sensor Information
Processor Bionz X -
Sensor type BSI-CMOS CCD
Sensor size Full frame 1/2.3"
Sensor dimensions 35.8 x 23.8mm 6.17 x 4.55mm
Sensor area 852.0mm² 28.1mm²
Sensor resolution 61 megapixel 10 megapixel
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 4:3, 3:2 and 16:9
Highest Possible resolution 9504 x 6336 3648 x 2736
Maximum native ISO 32000 3200
Maximum enhanced ISO 102800 -
Lowest native ISO 100 80
RAW photos
Lowest enhanced ISO 50 -
Autofocusing
Manual focus
Touch to focus
Continuous autofocus
Autofocus single
Tracking autofocus
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Number of focus points 567 9
Lens
Lens mounting type Sony E fixed lens
Lens focal range - 35-140mm (4.0x)
Max aperture - f/3.5-10.0
Available lenses 121 -
Focal length multiplier 1 5.8
Screen
Display type Tilting Fixed Type
Display diagonal 3" 3.5"
Display resolution 1,440k dot 921k dot
Selfie friendly
Liveview
Touch capability
Viewfinder Information
Viewfinder type Electronic None
Viewfinder resolution 5,760k dot -
Viewfinder coverage 100 percent -
Viewfinder magnification 0.78x -
Features
Minimum shutter speed 30 secs 1 secs
Fastest shutter speed 1/8000 secs 1/1000 secs
Continuous shutter speed 10.0 frames/s 2.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes -
Change white balance
Image stabilization
Built-in flash
Flash range no built-in flash 4.30 m (Auto ISO)
Flash modes Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync. Auto, On, Off, Red-Eye reduction, Slow Sync
External flash
Auto exposure bracketing
White balance bracketing
Fastest flash sync 1/250 secs -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Maximum video resolution 3840x2160 640x480
Video data format MPEG-4, XAVC S, H.264 Motion JPEG
Mic jack
Headphone jack
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 3.1 Gen 1(5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 665 gr (1.47 lb) 185 gr (0.41 lb)
Dimensions 129 x 96 x 78mm (5.1" x 3.8" x 3.1") 97 x 59 x 22mm (3.8" x 2.3" x 0.9")
DXO scores
DXO Overall score 99 not tested
DXO Color Depth score 26.0 not tested
DXO Dynamic range score 14.8 not tested
DXO Low light score 3344 not tested
Other
Battery life 670 photos -
Form of battery Battery Pack -
Battery model NP-FZ100 -
Self timer Yes Yes (2 or 10 sec)
Time lapse recording
Storage media Dual SD/SDHC/SDXC (UHS-II compatible) Memory Stick Duo/Pro Duo, Internal
Storage slots Two Single
Retail pricing $3,498 $200