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Olympus E-M1 III vs Panasonic G9

Portability
67
Imaging
62
Features
96
Overall
75
Olympus OM-D E-M1 Mark III front
 
Panasonic Lumix DC-G9 front
Portability
62
Imaging
60
Features
90
Overall
72

Olympus E-M1 III vs Panasonic G9 Key Specs

Olympus E-M1 III
(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 Maximum Shutter
  • 4096 x 2160 video
  • Micro Four Thirds Mount
  • 580g - 134 x 91 x 69mm
  • Released February 2020
  • Superseded the Olympus E-M1 II
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
  • Launched November 2017
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Olympus E-M1 III vs Panasonic G9 Overview

Below, we are reviewing the Olympus E-M1 III vs Panasonic G9, both Pro Mirrorless digital cameras by competitors Olympus and Panasonic. The sensor resolution of the E-M1 III (20MP) and the G9 (20MP) is very well matched and they feature the exact same sensor dimensions (Four Thirds).

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The E-M1 III was manufactured 2 years after the G9 which is quite a significant gap as far as tech is concerned. Both the cameras come with the identical body type (SLR-style mirrorless).

Before diving straight into a complete comparison, below is a concise summation of how the E-M1 III grades vs the G9 with respect to portability, imaging, features and an overall mark.

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Reasons to pick Olympus E-M1 III over the Panasonic G9

 E-M1 III G9 
LaunchedFebruary 2020November 2017Newer by 28 months

Reasons to pick Panasonic G9 over the Olympus E-M1 III

 G9 E-M1 III 
Display resolution1040k1037kClearer display (+3k dot)

Common features in the Olympus E-M1 III and Panasonic G9

 E-M1 III G9 
Manually focus Dial accurate focusing
Display typeFully ArticulatedFully ArticulatedFully Articulated display
Display dimension3"3"Identical display sizing
Selfie screen Both are selfie friendly
Touch display Easily navigate

Olympus E-M1 III vs Panasonic G9 Physical Comparison

When you are intending to travel with your camera, you need to think about its weight and size. The Olympus E-M1 III comes with physical measurements of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") accompanied by a weight of 580 grams (1.28 lbs) and the Panasonic G9 has specifications of 137mm x 97mm x 92mm (5.4" x 3.8" x 3.6") having a weight of 658 grams (1.45 lbs).

Contrast the Olympus E-M1 III vs Panasonic G9 in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are working with at that time. Below is the front view over all size comparison of the E-M1 III versus the G9.

Olympus E-M1 III vs Panasonic G9 size comparison

Taking into account size and weight, the portability score of the E-M1 III and G9 is 67 and 62 respectively.

Olympus E-M1 III vs Panasonic G9 top view buttons comparison

Olympus E-M1 III vs Panasonic G9 Sensor Comparison

Oftentimes, it is very hard to visualise the gap between sensor dimensions only by checking specifications. The pic underneath will offer you a stronger sense of the sensor sizing in the E-M1 III and G9.

Plainly, the two cameras have got the exact same sensor measurements and the exact same resolution so you should expect similar quality of photographs however you would want to take the production date of the products into consideration. The fresher E-M1 III will have an advantage with regard to sensor technology.

Olympus E-M1 III vs Panasonic G9 sensor size comparison

Olympus E-M1 III vs Panasonic G9 Screen and ViewFinder

Olympus E-M1 III vs Panasonic G9 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-M1 III Portrait photography details
Panasonic G9 Portrait photography details
77
focusing manually
decent sensor resolution (20 megapixels)
nice sensor size (Four Thirds)
offers face detection focus
exports RAW files
76
manual focus
good MP (20 megapixels)
decent sensor size (Four Thirds)
provides face detection autofocus
supports RAW files
Photography Glossary

Street Comparison

Olympus E-M1 III Street photography info
Panasonic G9 Street photography info
78
screen articulates
built in image stabilization (Sensor based 5-axis)
nice sensor size (Four Thirds)
exports RAW files
offers focus via touch
weather proof
above average high ISO (25,600)
75
screen can move to multiple angles
image stabilization (Sensor based 5-axis)
decent sensor size (Four Thirds)
supports RAW files
has touch to focus
weather proof
very good high ISO (25,600)
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Sports Comparison

Olympus E-M1 III Sports photography info
Panasonic G9 Sports photography info
81
great max shutter speed (1/8,000s)
silent shutter (1/32,000s)
high frames per second (60.0 frames/s)
built in image stabilization (Sensor based 5-axis)
decent sensor resolution (20MP)
nice sensor size (Four Thirds)
offers tracking autofocus
weather proof
sensor has phase detect auto focus
70
high shutter speed (1/8,000s)
quiet mode (1/32,000s)
fast shooting (20.0 fps)
image stabilization (Sensor based 5-axis)
good MP (20MP)
decent sensor size (Four Thirds)
provides tracking autofocus
weather proof
terrible battery pack (400 shots)
doesn't have phase detect autofocus
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Travel Comparison

Olympus E-M1 III Travel photography factors
Panasonic G9 Travel photography factors
79
weather proof
has bluetooth
offers focus via touch
decent sensor resolution (20MP)
selfie friendly screen
70
weather proof
has bluetooth
has touch to focus
good MP (20 megapixels)
selfie friendly display
terrible battery pack (400 shots)
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Landscape Comparison

Olympus E-M1 III Landscape photography features
Panasonic G9 Landscape photography features
81
focusing manually
swap lenses (Micro Four Thirds mount)
screen is a decent size (3 inches)
built in image stabilization (Sensor based 5-axis)
decent sensor resolution (20MP)
nice sensor size (Four Thirds)
does not have anti aliasing filter
above average high ISO (25,600)
exports RAW files
weather proof
two card slots
76
manual focus
switch lenses (Micro Four Thirds mount)
screen is a good size (3 inch)
image stabilization (Sensor based 5-axis)
good MP (20MP)
decent sensor size (Four Thirds)
doesnt have low pass filter
very good high ISO (25,600)
supports RAW files
weather proof
has double storage slots
terrible battery pack (400 CIPA)
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Vlogging Comparison

Olympus E-M1 III Vlogging advice
Panasonic G9 Vlogging advice
79
selfie friendly screen
touchscreen enabled
built in image stabilization (Sensor based 5-axis)
offers face detection focus
high res video (4096 x 2160 pxls)
includes external mic socket
76
selfie friendly display
touch screen
image stabilization (Sensor based 5-axis)
provides face detection autofocus
high res video (3840 x 2160 pixels)
has external mic port
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Olympus E-M1 III vs Panasonic G9 Specifications

Detailed spec comparison table for Olympus E-M1 III and Panasonic G9
 Olympus OM-D E-M1 Mark IIIPanasonic Lumix DC-G9
General Information
Brand Name Olympus Panasonic
Model Olympus OM-D E-M1 Mark III Panasonic Lumix DC-G9
Class Pro Mirrorless Pro Mirrorless
Released 2020-02-11 2017-11-08
Body design SLR-style mirrorless SLR-style mirrorless
Sensor Information
Chip TruePic IX -
Sensor type CMOS CMOS
Sensor size Four Thirds Four Thirds
Sensor dimensions 17.4 x 13mm 17.3 x 13mm
Sensor surface area 226.2mm² 224.9mm²
Sensor resolution 20 megapixel 20 megapixel
Anti aliasing filter
Aspect ratio 4:3 1:1, 4:3, 3:2 and 16:9
Peak resolution 5184 x 3888 5184 x 3888
Highest native ISO 25600 25600
Lowest native ISO 200 200
RAW support
Lowest enhanced ISO 64 100
Autofocusing
Focus manually
Touch to focus
Continuous AF
AF single
Tracking AF
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Number of focus points 121 225
Cross focus points 121 -
Lens
Lens mount Micro Four Thirds Micro Four Thirds
Amount of lenses 107 107
Crop factor 2.1 2.1
Screen
Display type Fully Articulated Fully Articulated
Display sizing 3 inch 3 inch
Display resolution 1,037 thousand dot 1,040 thousand dot
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder type Electronic Electronic
Viewfinder resolution 2,360 thousand dot 3,680 thousand dot
Viewfinder coverage 100% 100%
Viewfinder magnification 0.74x 0.83x
Features
Min shutter speed 60 seconds 60 seconds
Max shutter speed 1/8000 seconds 1/8000 seconds
Max quiet shutter speed 1/32000 seconds 1/32000 seconds
Continuous shutter speed 60.0 frames per second 20.0 frames per second
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change WB
Image stabilization
Built-in flash
Flash range no built-in flash no built-in flash
Flash settings Redeye, Fill-in, Flash Off, Red-eye Slow sync.(1st curtain), Slow sync.(1st curtain), Slow sync.(2nd curtain), Manual Auto, Auto/Red-eye Reduction, Forced On, Forced On/Red-eye Reduction, Slow Sync., Slow Sync./Red-eye Reduction, Forced Off
External flash
AEB
White balance bracketing
Max flash sync 1/250 seconds -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 4096 x 2160 @ 24p / 237 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 30p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 25p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 23.98p / 102 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 60p, MOV, H.264, Linear PCM1920 x 1080 @ 50p, MOV, H.264, Linear PCM1920 x 1080 @ 30p, MOV, H.264, Linear PCM1920 x 1080 @ 25p, MOV, H.264, Linear PCM1920 x 1080 @ 23.98p, MOV, H.264, Linear PCM 3840 x 2160 @ 60p / 150 Mbps, MP4, H.264, Linear PCM
Highest video resolution 4096x2160 3840x2160
Video file format MPEG-4, H.264 MPEG-4, AVCHD, H.264
Mic jack
Headphone jack
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 3.1 Gen 1 (5 GBit/sec) USB 3.0 (5 GBit/sec)
GPS None None
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 580g (1.28 lbs) 658g (1.45 lbs)
Dimensions 134 x 91 x 69mm (5.3" x 3.6" x 2.7") 137 x 97 x 92mm (5.4" x 3.8" x 3.6")
DXO scores
DXO Overall score not tested not tested
DXO Color Depth score not tested not tested
DXO Dynamic range score not tested not tested
DXO Low light score not tested not tested
Other
Battery life 420 shots 400 shots
Style of battery Battery Pack Battery Pack
Battery model BLH-1 DMW-BLF19
Self timer Yes (2 or 12 secs, custom) Yes
Time lapse recording
Storage media Dual SD/SDHC/SDXC slots (UHS-II on first slot) Dual SD/SDHC/SDXC slots (UHS-II supported)
Storage slots Dual Dual
Retail pricing $1,800 $1,500