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Panasonic GX9 vs Sony A99 II

Portability
82
Imaging
60
Features
80
Overall
68
Panasonic Lumix DC-GX9 front
 
Sony Alpha A99 II front
Portability
57
Imaging
77
Features
92
Overall
83

Panasonic GX9 vs Sony A99 II Key Specs

Panasonic GX9
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Tilting Screen
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 3840 x 2160 video
  • Micro Four Thirds Mount
  • 407g - 124 x 72 x 47mm
  • Launched February 2018
Sony A99 II
(Full Review)
  • 42MP - Full frame Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 25600 (Boost to 102400)
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony/Minolta Alpha Mount
  • 849g - 143 x 104 x 76mm
  • Released September 2016
  • Older Model is Sony A99
Photography Glossary

Panasonic GX9 vs Sony A99 II Overview

Lets take a deeper look at the Panasonic GX9 versus Sony A99 II, one being a Advanced Mirrorless and the other is a Advanced DSLR by competitors Panasonic and Sony. There is a sizeable difference among the resolutions of the GX9 (20MP) and A99 II (42MP) and the GX9 (Four Thirds) and A99 II (Full frame) provide different sensor measurements.

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The GX9 was released 18 months later than the A99 II making them a generation apart from each other. Both of these cameras have different body design with the Panasonic GX9 being a Rangefinder-style mirrorless camera and the Sony A99 II being a Mid-size SLR camera.

Before delving straight to a detailed comparison, here is a concise view of how the GX9 scores versus the A99 II when it comes to portability, imaging, features and an overall rating.

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Reasons to pick Panasonic GX9 over the Sony A99 II

 GX9 A99 II 
ReleasedFebruary 2018September 2016Fresher by 18 months
Display resolution1240k1229kSharper display (+11k dot)
Touch display Easily navigate

Reasons to pick Sony A99 II over the Panasonic GX9

 A99 II GX9 
Display typeFully articulatedTiltingFully Articulating display
Selfie screen Take selfies

Common features in the Panasonic GX9 and Sony A99 II

 GX9 A99 II 
Focus manually Dial precise focusing
Display dimensions3"3"Equal display measurements

Panasonic GX9 vs Sony A99 II Physical Comparison

For those who are going to carry your camera, you'll need to factor in its weight and proportions. The Panasonic GX9 provides physical dimensions of 124mm x 72mm x 47mm (4.9" x 2.8" x 1.9") and a weight of 407 grams (0.90 lbs) whilst the Sony A99 II has measurements of 143mm x 104mm x 76mm (5.6" x 4.1" x 3.0") accompanied by a weight of 849 grams (1.87 lbs).

Examine the Panasonic GX9 versus Sony A99 II in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an Interchangeable Lens Camera will change depending on the lens you select at the time. Following is a front view physical size comparison of the GX9 against the A99 II.

Panasonic GX9 vs Sony A99 II size comparison

Taking into account size and weight, the portability score of the GX9 and A99 II is 82 and 57 respectively.

Panasonic GX9 vs Sony A99 II top view buttons comparison

Panasonic GX9 vs Sony A99 II Sensor Comparison

Often, it's difficult to imagine the difference in sensor sizing purely by looking through technical specs. The graphic here will help give you a far better sense of the sensor sizes in the GX9 and A99 II.

As you can tell, both cameras provide different megapixel count and different sensor sizing. The GX9 due to its smaller sensor is going to make achieving shallow DOF tougher and the Sony A99 II will render extra detail as a result of its extra 22 Megapixels. Greater resolution will let you crop pics more aggressively. The more modern GX9 should have an advantage in sensor tech.

Panasonic GX9 vs Sony A99 II sensor size comparison

Panasonic GX9 vs Sony A99 II Screen and ViewFinder

Panasonic GX9 vs Sony A99 II Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Panasonic GX9
Portrait photography with Sony A99 II
76
focusing manually
good megapixels (20 megapixels)
sensor size is good (Four Thirds)
offers face detect focus
exports RAW files
86
focusing manually
megapixel count amazing (42 megapixels)
sensor size is great (Full frame)
provides face detection autofocus
delivers RAW formats
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Street Comparison

Panasonic GX9 Street photography advice
Sony A99 II Street photography advice
84
has a tilting screen
image stabilization (Sensor based 5-axis)
sensor size is good (Four Thirds)
exports RAW files
features touch focus
very good ISO range (25,600)
76
built in image stabilization (Sensor based 5-axis)
sensor size is great (Full frame)
delivers RAW formats
environment sealing
above average high ISO (25,600)
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Sports Comparison

Sports photography with Panasonic GX9
Sports photography with Sony A99 II
72
quiet shutter (1/16,000s)
image stabilization (Sensor based 5-axis)
good megapixels (20 megapixels)
sensor size is good (Four Thirds)
offers tracking focus
supports phase detect auto focus
terrible battery power (260 per charge)
82
great max shutter speed (1/8,000s)
built in image stabilization (Sensor based 5-axis)
megapixel count amazing (42MP)
sensor size is great (Full frame)
provides tracking autofocus
environment sealing
sensor has phase detect autofocus
bad battery life (490 per charge)
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Travel Comparison

Travel photography with Panasonic GX9
Travel photography with Sony A99 II
71
supports bluetooth
features touch focus
good megapixels (20 megapixels)
built-in flash
terrible battery power (260 CIPA)
display isn't selfie friendly
70
environment sealing
connects via bluetooth
megapixel count amazing (42 megapixels)
selfie friendly screen
bad battery life (490 shots)
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Landscape Comparison

Panasonic GX9 Landscape photography highlights
Sony A99 II Landscape photography highlights
77
focusing manually
switch lenses (Micro Four Thirds mount)
screen size is good (3 inches)
image stabilization (Sensor based 5-axis)
good megapixels (20MP)
sensor size is good (Four Thirds)
doesnt have low pass filter
very good ISO range (25,600)
exports RAW files
terrible battery power (260 per charge)
82
focusing manually
change lenses (Sony/Minolta Alpha mount)
pretty good screen size (3 inch)
built in image stabilization (Sensor based 5-axis)
megapixel count amazing (42 megapixels)
sensor size is great (Full frame)
no anti aliasing filter
above average high ISO (25,600)
delivers RAW formats
environment sealing
two card slots
bad battery life (490 CIPA)
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Vlogging Comparison

Panasonic GX9 as a Vlogging camera
Sony A99 II as a Vlogging camera
35
touch screen
image stabilization (Sensor based 5-axis)
offers face detect focus
video res high (3840 x 2160 resolution)
display isn't selfie friendly
missing microphone port
78
selfie friendly screen
built in image stabilization (Sensor based 5-axis)
provides face detection autofocus
high quality video (3840 x 2160 pixels)
includes external microphone socket
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Panasonic GX9 vs Sony A99 II Specifications

Detailed spec comparison table for Panasonic GX9 and Sony A99 II
 Panasonic Lumix DC-GX9Sony Alpha A99 II
General Information
Manufacturer Panasonic Sony
Model type Panasonic Lumix DC-GX9 Sony Alpha A99 II
Type Advanced Mirrorless Advanced DSLR
Launched 2018-02-13 2016-09-19
Physical type Rangefinder-style mirrorless Mid-size SLR
Sensor Information
Chip Venus Engine Bionz X
Sensor type CMOS BSI-CMOS
Sensor size Four Thirds Full frame
Sensor measurements 17.3 x 13mm 35.9 x 24mm
Sensor area 224.9mm² 861.6mm²
Sensor resolution 20 megapixel 42 megapixel
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2 and 16:9
Highest Possible resolution 5184 x 3888 7952 x 5304
Maximum native ISO 25600 25600
Maximum enhanced ISO - 102400
Min native ISO 200 100
RAW format
Min enhanced ISO 100 50
Autofocusing
Manual focusing
Autofocus touch
Autofocus continuous
Single autofocus
Tracking autofocus
Autofocus selectice
Autofocus center weighted
Multi area autofocus
Live view autofocus
Face detection focus
Contract detection focus
Phase detection focus
Total focus points 49 399
Cross type focus points - 79
Lens
Lens mount type Micro Four Thirds Sony/Minolta Alpha
Amount of lenses 107 143
Focal length multiplier 2.1 1
Screen
Type of screen Tilting Fully articulated
Screen sizing 3 inches 3 inches
Resolution of screen 1,240k dots 1,229k dots
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder type Electronic Electronic
Viewfinder resolution 2,760k dots 2,359k dots
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.7x 0.78x
Features
Minimum shutter speed 60 secs 30 secs
Fastest shutter speed 1/4000 secs 1/8000 secs
Fastest silent shutter speed 1/16000 secs -
Continuous shutter rate 9.0fps 12.0fps
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Set white balance
Image stabilization
Integrated flash
Flash distance 6.00 m (at ISO 200) no built-in flash
Flash modes Auto, auto w/redeye reduction, forced on, forced on w/redeye reduction, slow sync, slow sync w/redeye reduction, forced off Off, auto, fill, slow sync, redeye reduction, rear sync, high-speed sync, wireless
Hot shoe
Auto exposure bracketing
WB bracketing
Fastest flash synchronize - 1/250 secs
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Maximum video resolution 3840x2160 3840x2160
Video file format MPEG-4, AVCHD, H.264 MPEG-4, AVCHD, XAVC S
Microphone port
Headphone port
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB Yes USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 407g (0.90 lb) 849g (1.87 lb)
Physical dimensions 124 x 72 x 47mm (4.9" x 2.8" x 1.9") 143 x 104 x 76mm (5.6" x 4.1" x 3.0")
DXO scores
DXO Overall rating not tested 92
DXO Color Depth rating not tested 25.4
DXO Dynamic range rating not tested 13.4
DXO Low light rating not tested 2317
Other
Battery life 260 photographs 490 photographs
Battery type Battery Pack NP-FM500H lithium-ion battery & charger
Self timer Yes (2 or 10 secs, 3 photos over 10 secs) Yes (2, 5, 10 secs)
Time lapse feature
Storage type SD/SDHC/SDXC card (UHS-I supported) Dual SD/SDHC/SDXC/MS Duo slots
Card slots Single 2
Launch cost $1,000 $3,198