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Sony A9 II vs Sony G3

Portability
62
Imaging
75
Features
93
Overall
82
Sony Alpha A9 Mark II front
 
Sony Cyber-shot DSC-G3 front
Portability
94
Imaging
33
Features
30
Overall
31

Sony A9 II vs Sony G3 Key Specs

Sony A9 II
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Tilting Screen
  • ISO 100 - 51200 (Increase to 204800)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 678g - 129 x 96 x 76mm
  • Announced October 2019
  • Replaced the Sony A9
Sony G3
(Full Review)
  • 10MP - 1/2.3" Sensor
  • 3.5" Fixed Display
  • 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 A9 II vs Sony G3 Overview

The following is a thorough overview of the Sony A9 II versus Sony G3, one is a Pro Mirrorless and the other is a Small Sensor Compact and they are both produced by Sony. There is a big difference among the resolutions of the A9 II (24MP) and G3 (10MP) and the A9 II (Full frame) and G3 (1/2.3") offer totally different sensor measurements.

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The A9 II was announced 10 years after the G3 which is a fairly big gap as far as camera tech is concerned. The two cameras have different body design with the Sony A9 II being a SLR-style mirrorless camera and the Sony G3 being a Compact camera.

Before we go right into a step-by-step comparison, here is a quick summation of how the A9 II matches up against the G3 when considering portability, imaging, features and an overall mark.

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Reasons to pick Sony A9 II over the Sony G3

 A9 II G3 
ReleasedOctober 2019January 2009Newer by 131 months
Display typeTiltingFixed Tilting display
Display resolution1440k921kClearer display (+519k dot)

Reasons to pick Sony G3 over the Sony A9 II

 G3 A9 II 
Display dimensions3.5"3"Larger display (+0.5")

Common features in the Sony A9 II and Sony G3

 A9 II G3 
Manually focus Very exact focus
Selfie screen Neither features selfie screen
Touch friendly display Easily navigate

Sony A9 II vs Sony G3 Physical Comparison

For anyone who is going to travel with your camera, you should take into account its weight and proportions. The Sony A9 II enjoys outer dimensions of 129mm x 96mm x 76mm (5.1" x 3.8" x 3.0") with a weight of 678 grams (1.49 lbs) and the Sony G3 has measurements of 97mm x 59mm x 22mm (3.8" x 2.3" x 0.9") and a weight of 185 grams (0.41 lbs).

See the Sony A9 II versus Sony G3 in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an Interchangeable Lens Camera will differ based on the lens you have chosen at the time. Following is a front view sizing comparison of the A9 II compared to the G3.

Sony A9 II vs Sony G3 size comparison

Using size and weight, the portability rating of the A9 II and G3 is 62 and 94 respectively.

Sony A9 II vs Sony G3 top view buttons comparison

Sony A9 II vs Sony G3 Sensor Comparison

Often, its tough to visualise the gap in sensor dimensions only by viewing a spec sheet. The picture below may offer you a stronger sense of the sensor sizes in the A9 II and G3.

As you can see, the 2 cameras provide different megapixels and different sensor dimensions. The A9 II having a larger sensor will make getting shallower DOF less difficult and the Sony A9 II will render greater detail with its extra 14MP. Greater resolution will let you crop pics more aggressively. The fresher A9 II is going to have an edge with regard to sensor tech.

Sony A9 II vs Sony G3 sensor size comparison

Sony A9 II vs Sony G3 Screen and ViewFinder

Sony A9 II vs Sony G3 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Sony A9 II
Portrait photography with Sony G3
85
has manual focus
megapixel count good (24 megapixels)
sensor size is large (Full frame)
includes face detect focus
supports RAW files
26
manual focus
manual exposure not available
external flash not possible
low megapixels (10 megapixels)
sensor size is very small (1/2.3")
lacks RAW support
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Street Comparison

Street photography with Sony A9 II
Street photography with Sony G3
78
tilting screen
image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
supports RAW files
features focus by touch
weather proofing
very good ISO range (51,200)
56
has image stabilization (Optical)
no articulating screen
sensor size is very small (1/2.3")
lacks RAW support
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Sports Comparison

Sony A9 II as a Sports photography camera
Sony G3 as a Sports photography camera
87
max shutter speed is good (1/8,000s)
quiet shutter (1/32,000s)
high max frames per second (20.0 fps)
image stabilization (Sensor based 5-axis)
megapixel count good (24MP)
sensor size is large (Full frame)
includes tracking focus
weather proofing
good battery pack (690 shots)
supports phase detect auto focus
23
has image stabilization (Optical)
max shutter speed is low (1/1,000s)
continuous shooting slow (2.0 frames per second)
no shutter priority mode
low megapixels (10MP)
sensor size is very small (1/2.3")
lacks phase detect auto focus
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Travel Comparison

Sony A9 II Travel photography details
Sony G3 Travel photography details
73
good battery pack (690 shots)
weather proofing
has bluetooth
features focus by touch
megapixel count good (24MP)
display isn't selfie friendly
50
built-in flash
does not have Time Lapse function
low megapixels (10MP)
doesn't contain selfie friendly screen
wide angle not the best (35mm)
somewhat slow maximum aperture (f3.5)
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Landscape Comparison

Sony A9 II Landscape photography factors
Sony G3 Landscape photography factors
86
has manual focus
interchangeable lenses (Sony E mount)
nice screen size (3 inch)
image stabilization (Sensor based 5-axis)
megapixel count good (24 megapixels)
sensor size is large (Full frame)
very good ISO range (51,200)
supports RAW files
weather proofing
good battery pack (690 per charge)
has double storage slots
36
manual focus
screen larger than average (3.5 inch)
has image stabilization (Optical)
fixed lens (fixed lens mount)
wide angle not the best (35mm)
somewhat slow maximum aperture (f3.5)
manual exposure not available
low megapixels (10MP)
sensor size is very small (1/2.3")
lacks RAW support
does not have Time Lapse function
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Vlogging Comparison

Vlogging with Sony A9 II
Vlogging with Sony G3
36
touchscreen
image stabilization (Sensor based 5-axis)
includes face detect focus
high res video (3840 x 2160 resolution)
comes with mic port
display isn't selfie friendly
27
built-in touchscreen
has image stabilization (Optical)
wide angle not the best (35mm)
somewhat slow maximum aperture (f3.5)
doesn't contain selfie friendly screen
low video resolution (640 x 480 resolution)
does not have mic port
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Sony A9 II vs Sony G3 Specifications

Detailed spec comparison table for Sony A9 II and Sony G3
 Sony Alpha A9 Mark IISony Cyber-shot DSC-G3
General Information
Company Sony Sony
Model type Sony Alpha A9 Mark II Sony Cyber-shot DSC-G3
Category Pro Mirrorless Small Sensor Compact
Announced 2019-10-03 2009-01-08
Body design SLR-style mirrorless Compact
Sensor Information
Processor Chip BIONZ X -
Sensor type BSI-CMOS CCD
Sensor size Full frame 1/2.3"
Sensor dimensions 35.6 x 23.8mm 6.17 x 4.55mm
Sensor surface area 847.3mm² 28.1mm²
Sensor resolution 24 megapixel 10 megapixel
Anti alias filter
Aspect ratio 3:2 4:3, 3:2 and 16:9
Highest resolution 6000 x 4000 3648 x 2736
Highest native ISO 51200 3200
Highest boosted ISO 204800 -
Minimum native ISO 100 80
RAW photos
Minimum boosted ISO 50 -
Autofocusing
Manual focusing
Autofocus touch
Continuous autofocus
Autofocus single
Tracking autofocus
Autofocus selectice
Autofocus center weighted
Autofocus multi area
Live view autofocus
Face detection focus
Contract detection focus
Phase detection focus
Total focus points 693 9
Lens
Lens support Sony E fixed lens
Lens zoom range - 35-140mm (4.0x)
Highest aperture - f/3.5-10.0
Total lenses 121 -
Focal length multiplier 1 5.8
Screen
Range of screen Tilting Fixed Type
Screen size 3 inch 3.5 inch
Screen resolution 1,440 thousand dot 921 thousand dot
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder Electronic None
Viewfinder resolution 3,686 thousand dot -
Viewfinder coverage 100% -
Viewfinder magnification 0.78x -
Features
Slowest shutter speed 30 seconds 1 seconds
Maximum shutter speed 1/8000 seconds 1/1000 seconds
Maximum silent shutter speed 1/32000 seconds -
Continuous shooting speed 20.0 frames per second 2.0 frames per second
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes -
Set white balance
Image stabilization
Integrated flash
Flash distance no built-in flash 4.30 m (Auto ISO)
Flash options Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync Auto, On, Off, Red-Eye reduction, Slow Sync
Hot shoe
AEB
White balance bracketing
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)
Highest video resolution 3840x2160 640x480
Video format MPEG-4, AVCHD, 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 proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 678g (1.49 lb) 185g (0.41 lb)
Physical dimensions 129 x 96 x 76mm (5.1" x 3.8" x 3.0") 97 x 59 x 22mm (3.8" x 2.3" x 0.9")
DXO scores
DXO All around rating not tested not tested
DXO Color Depth rating not tested not tested
DXO Dynamic range rating not tested not tested
DXO Low light rating not tested not tested
Other
Battery life 690 shots -
Battery form Battery Pack -
Battery ID NP-FZ100 -
Self timer Yes (2, 5, 10 secs + continuous, 3 or 5 frames) Yes (2 or 10 sec)
Time lapse feature
Storage media Dual SD/SDHC/SDXC slots (UHS-II compatible) Memory Stick Duo/Pro Duo, Internal
Storage slots Dual 1
Pricing at launch $4,498 $200