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Olympus E-M5 III vs Panasonic GX85

Portability
80
Imaging
62
Features
88
Overall
72
Olympus OM-D E-M5 III front
 
Panasonic Lumix DMC-GX85 front
Portability
83
Imaging
54
Features
76
Overall
62

Olympus E-M5 III vs Panasonic GX85 Key Specs

Olympus E-M5 III
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Fully Articulated Display
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Maximum Shutter
  • 4096 x 2160 video
  • Micro Four Thirds Mount
  • 414g - 125 x 85 x 50mm
  • Revealed October 2019
  • Replaced the Olympus E-M5 II
  • Refreshed by OM System OM-5
Panasonic GX85
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Tilting Display
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 3840 x 2160 video
  • Micro Four Thirds Mount
  • 426g - 122 x 71 x 44mm
  • Announced April 2016
  • Also Known as Lumix DMC-GX80 / Lumix DMC-GX7 Mark II
Photography Glossary

Olympus E-M5 III vs Panasonic GX85 Overview

Lets take a deeper look at the Olympus E-M5 III vs Panasonic GX85, both Advanced Mirrorless cameras by competitors Olympus and Panasonic. There exists a noticeable gap among the sensor resolutions of the E-M5 III (20MP) and GX85 (16MP) but both cameras posses the same sensor sizes (Four Thirds).

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The E-M5 III was introduced 3 years later than the GX85 and that is a fairly sizable difference as far as camera technology is concerned. Both the cameras have different body design with the Olympus E-M5 III being a SLR-style mirrorless camera and the Panasonic GX85 being a Rangefinder-style mirrorless camera.

Before delving straight to a full comparison, here is a simple view of how the E-M5 III scores versus the GX85 with regards to portability, imaging, features and an overall grade.

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Reasons to pick Olympus E-M5 III over the Panasonic GX85

 E-M5 III GX85 
AnnouncedOctober 2019April 2016More recent by 43 months
Display typeFully ArticulatedTiltingFully Articulating display
Selfie screen Take selfies

Reasons to pick Panasonic GX85 over the Olympus E-M5 III

 GX85 E-M5 III 

Common features in the Olympus E-M5 III and Panasonic GX85

 E-M5 III GX85 
Manually focus Dial accurate focus
Display dimensions3"3"Equal display dimensions
Display resolution1040k1040kThe same display resolution
Touch friendly display Easily navigate

Olympus E-M5 III vs Panasonic GX85 Physical Comparison

For those who are looking to lug around your camera regularly, you need to factor in its weight and measurements. The Olympus E-M5 III comes with exterior measurements of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") and a weight of 414 grams (0.91 lbs) while the Panasonic GX85 has proportions of 122mm x 71mm x 44mm (4.8" x 2.8" x 1.7") along with a weight of 426 grams (0.94 lbs).

See the Olympus E-M5 III vs Panasonic GX85 in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an ILC will differ dependant on the lens you are working with during that time. Here is a front view physical size comparison of the E-M5 III and the GX85.

Olympus E-M5 III vs Panasonic GX85 size comparison

Taking into consideration dimensions and weight, the portability rating of the E-M5 III and GX85 is 80 and 83 respectively.

Olympus E-M5 III vs Panasonic GX85 top view buttons comparison

Olympus E-M5 III vs Panasonic GX85 Sensor Comparison

Typically, it is very difficult to visualize the gap in sensor measurements simply by viewing a spec sheet. The graphic here may give you a far better sense of the sensor sizing in the E-M5 III and GX85.

As you can see, each of these cameras have the same sensor dimensions but different resolution. You can anticipate the Olympus E-M5 III to provide you with extra detail using its extra 4MP. Greater resolution can also enable you to crop pics a bit more aggressively. The fresher E-M5 III should have an advantage in sensor innovation.

Olympus E-M5 III vs Panasonic GX85 sensor size comparison

Olympus E-M5 III vs Panasonic GX85 Screen and ViewFinder

Olympus E-M5 III vs Panasonic GX85 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-M5 III Portrait photography highlights
Panasonic GX85 Portrait photography highlights
77
has manual focus
resolution is good (20 megapixels)
sensor size is decent (Four Thirds)
offers face detection focusing
exports RAW files
72
has manual focus
resolution is good (16 megapixels)
sensor size is nice (Four Thirds)
features face detect focusing
saves RAW formats
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Street Comparison

Olympus E-M5 III Street photography info
Panasonic GX85 Street photography info
83
screen articulates
has image stabilization (Sensor based 5-axis)
sensor size is decent (Four Thirds)
exports RAW files
offers focus by touch
environment proofing
good ISO range (25,600)
83
screen tilts
built in image stabilization (Sensor based 5-axis)
sensor size is nice (Four Thirds)
saves RAW formats
includes focus via touch
above average high ISO (25,600)
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Sports Comparison

Olympus E-M5 III as a Sports photography camera
Panasonic GX85 as a Sports photography camera
76
great max shutter speed (1/8,000s)
quiet shutter (1/32,000s)
high max frames per second (30.0 frames per second)
has image stabilization (Sensor based 5-axis)
resolution is good (20MP)
sensor size is decent (Four Thirds)
offers tracking autofocus
environment proofing
sensor has phase detect AF
terrible battery power (310 shots)
62
quiet mode (1/16,000 seconds)
built in image stabilization (Sensor based 5-axis)
resolution is good (16MP)
sensor size is nice (Four Thirds)
features tracking focus
terrible battery (290 CIPA)
lack of phase detect AF
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Travel Comparison

Olympus E-M5 III Travel photography details
Panasonic GX85 Travel photography details
77
environment proofing
has bluetooth
offers focus by touch
resolution is good (20 megapixels)
display is selfie friendly
terrible battery power (310 CIPA)
68
includes focus via touch
resolution is good (16MP)
has built in flash
terrible battery (290 shots)
doesn't posses selfie friendly display
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Landscape Comparison

Olympus E-M5 III as a Landscape photography camera
Panasonic GX85 as a Landscape photography camera
77
has manual focus
interchangeable lenses (Micro Four Thirds mount)
good sized screen (3 inch)
has image stabilization (Sensor based 5-axis)
resolution is good (20 megapixels)
sensor size is decent (Four Thirds)
good ISO range (25,600)
exports RAW files
environment proofing
terrible battery power (310 shots)
74
has manual focus
interchangeable lenses (Micro Four Thirds mount)
screen is a good size (3")
built in image stabilization (Sensor based 5-axis)
resolution is good (16MP)
sensor size is nice (Four Thirds)
no anti aliasing filter
above average high ISO (25,600)
saves RAW formats
terrible battery (290 shots)
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Vlogging Comparison

Vlogging with Olympus E-M5 III
Vlogging with Panasonic GX85
84
display is selfie friendly
touchscreen capability
has image stabilization (Sensor based 5-axis)
offers face detection focusing
high video quality (4096 x 2160 pxls)
includes external mic jack
35
has touchscreen
built in image stabilization (Sensor based 5-axis)
features face detect focusing
high res video (3840 x 2160 pxls)
doesn't posses selfie friendly display
doesn't have mic socket
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Olympus E-M5 III vs Panasonic GX85 Specifications

Detailed spec comparison table for Olympus E-M5 III and Panasonic GX85
 Olympus OM-D E-M5 IIIPanasonic Lumix DMC-GX85
General Information
Brand Olympus Panasonic
Model type Olympus OM-D E-M5 III Panasonic Lumix DMC-GX85
Also called as - Lumix DMC-GX80 / Lumix DMC-GX7 Mark II
Class Advanced Mirrorless Advanced Mirrorless
Revealed 2019-10-17 2016-04-05
Physical type SLR-style mirrorless Rangefinder-style mirrorless
Sensor Information
Processor Chip TruePic VIII Venus Engine
Sensor type MOS 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 20MP 16MP
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 1:1, 4:3, 3:2 and 16:9
Maximum resolution 5184 x 3888 4592 x 3448
Maximum native ISO 25600 25600
Min native ISO 200 200
RAW pictures
Min boosted ISO 64 100
Autofocusing
Focus manually
AF touch
AF continuous
Single AF
Tracking AF
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 121 49
Lens
Lens mount type Micro Four Thirds Micro Four Thirds
Total lenses 107 107
Crop factor 2.1 2.1
Screen
Display type Fully Articulated Tilting
Display sizing 3 inch 3 inch
Resolution of display 1,040k dots 1,040k dots
Selfie friendly
Liveview
Touch screen
Viewfinder Information
Viewfinder type Electronic Electronic
Viewfinder resolution 2,360k dots 2,764k dots
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.68x -
Features
Slowest shutter speed 60 seconds 60 seconds
Maximum shutter speed 1/8000 seconds 1/4000 seconds
Maximum quiet shutter speed 1/32000 seconds 1/16000 seconds
Continuous shooting rate 30.0 frames/s 8.0 frames/s
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Custom WB
Image stabilization
Inbuilt flash
Flash distance no built-in flash 6.00 m (at ISO 200)
Flash options Auto, redeye, fill, off, redeye slow sync, slow sync, 2nd-curtain slow sync, manual Auto, auto w/redeye reduction, forced on, forced on w/redeye reduction, slow sync, slow sync w/redeye reduction, forced off
Hot shoe
AEB
WB bracketing
Maximum flash synchronize 1/250 seconds -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 4096 x 2160 @ 24p / 237 Mbps, MOV, H.264, Linear PCM 3840 x 2160 (30p, 24p), 1920 x 1080 (60p, 60i, 30p, 24p), 1280 x 720 (30p), 640 x 480 (30p)
Maximum video resolution 4096x2160 3840x2160
Video file format MPEG-4, H.264 MPEG-4, AVCHD
Mic port
Headphone port
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 414g (0.91 pounds) 426g (0.94 pounds)
Physical dimensions 125 x 85 x 50mm (4.9" x 3.3" x 2.0") 122 x 71 x 44mm (4.8" x 2.8" x 1.7")
DXO scores
DXO All around rating not tested 71
DXO Color Depth rating not tested 22.9
DXO Dynamic range rating not tested 12.6
DXO Low light rating not tested 662
Other
Battery life 310 images 290 images
Battery type Battery Pack Battery Pack
Battery ID BLN-1 -
Self timer Yes (2 or 10 secs, custom) Yes
Time lapse feature
Type of storage SD/SDHC/SDXC (UHS-II supported) SD/SDHC/SDXC card
Card slots One One
Price at launch $1,199 $800