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Panasonic G9 vs Sony A7R IV

Portability
62
Imaging
60
Features
90
Overall
72
Panasonic Lumix DC-G9 front
 
Sony Alpha A7R IV front
Portability
62
Imaging
81
Features
93
Overall
85

Panasonic G9 vs Sony A7R IV Key Specs

Panasonic G9
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Fully Articulated Display
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Micro Four Thirds Mount
  • 658g - 137 x 97 x 92mm
  • Introduced November 2017
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
  • Released July 2019
  • Superseded the Sony A7R III
  • Renewed by Sony A7R V
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Panasonic G9 vs Sony A7R IV Overview

On this page, we are analyzing the Panasonic G9 vs Sony A7R IV, both Pro Mirrorless digital cameras by companies Panasonic and Sony. There is a significant difference between the image resolutions of the G9 (20MP) and A7R IV (61MP) and the G9 (Four Thirds) and A7R IV (Full frame) offer totally different sensor dimensions.

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The G9 was unveiled 20 months earlier than the A7R IV making them a generation away from each other. Both the cameras have the same body design (SLR-style mirrorless).

Before delving right into a thorough comparison, here is a quick view of how the G9 matches up vs the A7R IV when it comes to portability, imaging, features and an overall mark.

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Reasons to pick Panasonic G9 over the Sony A7R IV

 G9 A7R IV 
Display typeFully ArticulatedTiltingFully Articulating display
Selfie screen Take selfies

Reasons to pick Sony A7R IV over the Panasonic G9

 A7R IV G9 
ReleasedJuly 2019November 2017Newer by 20 months
Display resolution1440k1040kSharper display (+400k dot)

Common features in the Panasonic G9 and Sony A7R IV

 G9 A7R IV 
Focus manually More exact focus
Display dimensions3"3"Equal display sizing
Touch friendly display Easily navigate

Panasonic G9 vs Sony A7R IV Physical Comparison

For anyone who is intending to travel with your camera frequently, you'll need to think about its weight and volume. The Panasonic G9 comes with outside measurements of 137mm x 97mm x 92mm (5.4" x 3.8" x 3.6") and a weight of 658 grams (1.45 lbs) while the Sony A7R IV has sizing of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") with a weight of 665 grams (1.47 lbs).

See the Panasonic G9 vs Sony A7R IV in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an Interchangeable Lens Camera will vary depending on the lens you are employing at the time. Below is a front view dimension comparison of the G9 compared to the A7R IV.

Panasonic G9 vs Sony A7R IV size comparison

Taking into account size and weight, the portability score of the G9 and A7R IV is 62 and 62 respectively.

Panasonic G9 vs Sony A7R IV top view buttons comparison

Panasonic G9 vs Sony A7R IV Sensor Comparison

Usually, it can be tough to envision the contrast between sensor dimensions purely by reading specs. The pic here will offer you a much better sense of the sensor measurements in the G9 and A7R IV.

All in all, the 2 cameras provide different megapixels and different sensor dimensions. The G9 having a tinier sensor will make achieving shallower depth of field more challenging and the Sony A7R IV will deliver extra detail having an extra 41MP. Greater resolution will let you crop pics more aggressively. The more aged G9 is going to be behind in sensor technology.

Panasonic G9 vs Sony A7R IV sensor size comparison

Panasonic G9 vs Sony A7R IV Screen and ViewFinder

Panasonic G9 vs Sony A7R IV Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Panasonic G9 Portrait photography details
Sony A7R IV Portrait photography details
76
manual focus
good MP (20 megapixels)
decent sensor size (Four Thirds)
comes with face detect focusing
delivers RAW formats
88
manual focus
MP count great (61 megapixels)
large sensor size (Full frame)
comes with face detect autofocus
saves RAW formats
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Street Comparison

Panasonic G9 as a Street photography camera
Sony A7R IV as a Street photography camera
75
screen articulates
has image stabilization (Sensor based 5-axis)
decent sensor size (Four Thirds)
delivers RAW formats
features focus by touch
weather proofing
great ISO range (25,600)
79
screen tilts
image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
saves RAW formats
boasts focus via touch
weather proofing
good ISO range (32,000)
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Sports Comparison

Panasonic G9 Sports photography information
Sony A7R IV Sports photography information
70
high shutter speed (1/8,000 seconds)
quiet mode (1/32,000 seconds)
high frames per second (20.0 frames per second)
has image stabilization (Sensor based 5-axis)
good MP (20 megapixels)
decent sensor size (Four Thirds)
comes with tracking focus
weather proofing
not so great battery life (400 per charge)
doesn't have phase detect AF
90
great max shutter speed (1/8,000s)
image stabilization (Sensor based 5-axis)
MP count great (61 megapixels)
large sensor size (Full frame)
comes with tracking focus
weather proofing
good battery (670 shots)
sensor has phase detect autofocus
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Travel Comparison

Panasonic G9 Travel photography details
Sony A7R IV Travel photography details
70
weather proofing
has bluetooth
features focus by touch
good MP (20MP)
selfie friendly display
not so great battery life (400 CIPA)
74
good battery (670 shots)
weather proofing
connects via bluetooth
boasts focus via touch
MP count great (61 megapixels)
doesn't contain selfie friendly display
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Landscape Comparison

Panasonic G9 Landscape photography information
Sony A7R IV Landscape photography information
76
manual focus
interchangeable lenses (Micro Four Thirds mount)
screen is a good size (3")
has image stabilization (Sensor based 5-axis)
good MP (20MP)
decent sensor size (Four Thirds)
doesnt have low pass filter
great ISO range (25,600)
delivers RAW formats
weather proofing
2 card slots
not so great battery life (400 shots)
88
manual focus
switch lenses (Sony E mount)
pretty good screen size (3")
image stabilization (Sensor based 5-axis)
MP count great (61MP)
large sensor size (Full frame)
doesnt have anti-alias filter
good ISO range (32,000)
saves RAW formats
weather proofing
good battery (670 per charge)
has dual storage slots
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Vlogging Comparison

Panasonic G9 Vlogging details
Sony A7R IV Vlogging details
76
selfie friendly display
screen is touchscreen
has image stabilization (Sensor based 5-axis)
comes with face detect focusing
good video quality (3840 x 2160 pxls)
comes with microphone support
37
touchscreen functionality
image stabilization (Sensor based 5-axis)
comes with face detect autofocus
high quality video (3840 x 2160 resolution)
includes microphone jack
doesn't contain selfie friendly display
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Panasonic G9 vs Sony A7R IV Specifications

Detailed spec comparison table for Panasonic G9 and Sony A7R IV
 Panasonic Lumix DC-G9Sony Alpha A7R IV
General Information
Brand Panasonic Sony
Model type Panasonic Lumix DC-G9 Sony Alpha A7R IV
Class Pro Mirrorless Pro Mirrorless
Introduced 2017-11-08 2019-07-16
Body design SLR-style mirrorless SLR-style mirrorless
Sensor Information
Processor - Bionz X
Sensor type CMOS BSI-CMOS
Sensor size Four Thirds Full frame
Sensor measurements 17.3 x 13mm 35.8 x 23.8mm
Sensor surface area 224.9mm² 852.0mm²
Sensor resolution 20MP 61MP
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 1:1, 4:3, 3:2 and 16:9
Full resolution 5184 x 3888 9504 x 6336
Max native ISO 25600 32000
Max boosted ISO - 102800
Min native ISO 200 100
RAW images
Min boosted ISO 100 50
Autofocusing
Focus manually
Touch focus
Continuous autofocus
Autofocus single
Tracking autofocus
Autofocus selectice
Autofocus center weighted
Autofocus multi area
Live view autofocus
Face detect focus
Contract detect focus
Phase detect focus
Total focus points 225 567
Lens
Lens support Micro Four Thirds Sony E
Available lenses 107 121
Crop factor 2.1 1
Screen
Display type Fully Articulated Tilting
Display diagonal 3 inches 3 inches
Display resolution 1,040k dot 1,440k dot
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder Electronic Electronic
Viewfinder resolution 3,680k dot 5,760k dot
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.83x 0.78x
Features
Slowest shutter speed 60s 30s
Maximum shutter speed 1/8000s 1/8000s
Maximum quiet shutter speed 1/32000s -
Continuous shooting speed 20.0 frames/s 10.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Integrated flash
Flash distance no built-in flash no built-in flash
Flash options Auto, Auto/Red-eye Reduction, Forced On, Forced On/Red-eye Reduction, Slow Sync., Slow Sync./Red-eye Reduction, Forced Off Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync.
Hot shoe
AEB
WB bracketing
Maximum flash sync - 1/250s
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 3840 x 2160 @ 60p / 150 Mbps, MP4, H.264, Linear PCM 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM
Max video resolution 3840x2160 3840x2160
Video format MPEG-4, AVCHD, H.264 MPEG-4, XAVC S, H.264
Microphone input
Headphone input
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 3.0 (5 GBit/sec) USB 3.1 Gen 1(5 GBit/sec)
GPS None None
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 658 grams (1.45 pounds) 665 grams (1.47 pounds)
Physical dimensions 137 x 97 x 92mm (5.4" x 3.8" x 3.6") 129 x 96 x 78mm (5.1" x 3.8" x 3.1")
DXO scores
DXO All around rating not tested 99
DXO Color Depth rating not tested 26.0
DXO Dynamic range rating not tested 14.8
DXO Low light rating not tested 3344
Other
Battery life 400 photographs 670 photographs
Style of battery Battery Pack Battery Pack
Battery ID DMW-BLF19 NP-FZ100
Self timer Yes Yes
Time lapse feature
Type of storage Dual SD/SDHC/SDXC slots (UHS-II supported) Dual SD/SDHC/SDXC (UHS-II compatible)
Storage slots Two Two
Pricing at launch $1,500 $3,498