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Olympus E-M1 III vs Panasonic GH5S

Portability
67
Imaging
62
Features
96
Overall
75
Olympus OM-D E-M1 Mark III front
 
Panasonic Lumix DC-GH5S front
Portability
62
Imaging
50
Features
82
Overall
62

Olympus E-M1 III vs Panasonic GH5S 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
  • Revealed February 2020
  • Older Model is Olympus E-M1 II
Panasonic GH5S
(Full Review)
  • 10MP - Four Thirds Sensor
  • 3.2" Fully Articulated Display
  • ISO 160 - 51200 (Increase to 204800)
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 4096 x 2160 video
  • Micro Four Thirds Mount
  • 660g - 139 x 98 x 87mm
  • Introduced January 2018
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Olympus E-M1 III vs Panasonic GH5S Overview

Below is a thorough comparison of the Olympus E-M1 III and Panasonic GH5S, both Pro Mirrorless digital cameras by competitors Olympus and Panasonic. There is a substantial difference between the resolutions of the E-M1 III (20MP) and GH5S (10MP) but they come with the exact same sensor size (Four Thirds).

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The E-M1 III was released 2 years later than the GH5S and that is quite a big difference as far as tech is concerned. The two cameras come with the identical body type (SLR-style mirrorless).

Before diving through a thorough comparison, below is a short introduction of how the E-M1 III matches up vs the GH5S in regards to portability, imaging, features and an overall grade.

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Reasons to pick Olympus E-M1 III over the Panasonic GH5S

 E-M1 III GH5S 
IntroducedFebruary 2020January 2018More recent by 26 months

Reasons to pick Panasonic GH5S over the Olympus E-M1 III

 GH5S E-M1 III 
Display dimension3.2"3"Larger display (+0.2")
Display resolution1620k1037kClearer display (+583k dot)

Common features in the Olympus E-M1 III and Panasonic GH5S

 E-M1 III GH5S 
Manual focus Very exact focusing
Display typeFully ArticulatedFully ArticulatedFully Articulated display
Selfie screen Both are selfie friendly
Touch friendly display Easily navigate

Olympus E-M1 III vs Panasonic GH5S Physical Comparison

For those who are going to lug around your camera, you will have to think about its weight and size. The Olympus E-M1 III offers outer 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 GH5S has specifications of 139mm x 98mm x 87mm (5.5" x 3.9" x 3.4") with a weight of 660 grams (1.46 lbs).

See the Olympus E-M1 III and Panasonic GH5S in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will change dependant on the lens you have attached during that time. Below is the front view sizing comparison of the E-M1 III versus the GH5S.

Olympus E-M1 III vs Panasonic GH5S size comparison

Factoring in size and weight, the portability rating of the E-M1 III and GH5S is 67 and 62 respectively.

Olympus E-M1 III vs Panasonic GH5S top view buttons comparison

Olympus E-M1 III vs Panasonic GH5S Sensor Comparison

Oftentimes, it is very tough to envision the contrast between sensor measurements only by reviewing specs. The photograph here will help provide you a greater sense of the sensor measurements in the E-M1 III and GH5S.

As you can plainly see, both the cameras have got the exact same sensor measurements but not the same resolution. You can anticipate the Olympus E-M1 III to deliver more detail as a result of its extra 10 Megapixels. Greater resolution will also let you crop photos much more aggressively. The newer E-M1 III is going to have an edge in sensor innovation.

Olympus E-M1 III vs Panasonic GH5S sensor size comparison

Olympus E-M1 III vs Panasonic GH5S Screen and ViewFinder

Olympus E-M1 III vs Panasonic GH5S Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-M1 III Portrait photography details
Panasonic GH5S Portrait photography details
77
has manual focus
resolution is good (20 megapixels)
sensor size is nice (Four Thirds)
features face detect focusing
saves RAW files
62
has manual focus
sensor size is nice (Four Thirds)
offers face detect focusing
supports RAW formats
low resolution (10MP)
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Street Comparison

Olympus E-M1 III as a Street photography camera
Panasonic GH5S as a Street photography camera
78
screen articulates fully
has image stabilization (Sensor based 5-axis)
sensor size is nice (Four Thirds)
saves RAW files
comes with focus via touch
weather proofing
great high ISO (25,600)
68
screen articulates fully
sensor size is nice (Four Thirds)
supports RAW formats
comes with touch focus
environment sealing
very good ISO range (51,200)
lack of image stabilization
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Sports Comparison

Sports photography with Olympus E-M1 III
Sports photography with Panasonic GH5S
81
maximum shutter speed is high (1/8,000s)
quiet mode (1/32,000s)
high max fps (60.0 frames per second)
has image stabilization (Sensor based 5-axis)
resolution is good (20MP)
sensor size is nice (Four Thirds)
features tracking focus
weather proofing
comes with phase detect AF
56
maximum shutter speed is high (1/8,000 seconds)
quiet mode (1/16,000 seconds)
sensor size is nice (Four Thirds)
offers tracking focus
environment sealing
lack of image stabilization
low resolution (10MP)
lacks phase detect AF
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Travel Comparison

Olympus E-M1 III Travel photography highlights
Panasonic GH5S Travel photography highlights
79
weather proofing
supports bluetooth
comes with focus via touch
resolution is good (20 megapixels)
selfie friendly screen
61
environment sealing
connects via bluetooth
comes with touch focus
display is selfie friendly
missing Timelapse recording
low resolution (10 megapixels)
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Landscape Comparison

Olympus E-M1 III as a Landscape photography camera
Panasonic GH5S as a Landscape photography camera
81
has manual focus
switch lenses (Micro Four Thirds mount)
pretty good screen size (3 inch)
has image stabilization (Sensor based 5-axis)
resolution is good (20MP)
sensor size is nice (Four Thirds)
doesnt have anti aliasing filter
great high ISO (25,600)
saves RAW files
weather proofing
2 card slots
63
has manual focus
interchangeable lenses (Micro Four Thirds mount)
screen size is good (3.2")
sensor size is nice (Four Thirds)
doesnt have anti aliasing filter
very good ISO range (51,200)
supports RAW formats
environment sealing
has double storage slots
lack of image stabilization
low resolution (10 megapixels)
missing Timelapse recording
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Vlogging Comparison

Olympus E-M1 III as a Vlogging camera
Panasonic GH5S as a Vlogging camera
79
selfie friendly screen
touchscreen enabled
has image stabilization (Sensor based 5-axis)
features face detect focusing
high res video (4096 x 2160 pixels)
does have mic support
68
display is selfie friendly
touch screen
offers face detect focusing
video resolution high (4096 x 2160 resolution)
does have microphone port
lack of image stabilization
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Olympus E-M1 III vs Panasonic GH5S Specifications

Detailed spec comparison table for Olympus E-M1 III and Panasonic GH5S
 Olympus OM-D E-M1 Mark IIIPanasonic Lumix DC-GH5S
General Information
Make Olympus Panasonic
Model type Olympus OM-D E-M1 Mark III Panasonic Lumix DC-GH5S
Class Pro Mirrorless Pro Mirrorless
Revealed 2020-02-11 2018-01-08
Body design SLR-style mirrorless SLR-style mirrorless
Sensor Information
Processor Chip TruePic IX Venus Engine 10
Sensor type CMOS CMOS
Sensor size Four Thirds Four Thirds
Sensor measurements 17.4 x 13mm 17.3 x 13mm
Sensor area 226.2mm² 224.9mm²
Sensor resolution 20 megapixel 10 megapixel
Anti alias filter
Aspect ratio 4:3 1:1, 4:3, 3:2 and 16:9
Max resolution 5184 x 3888 3680 x 2760
Max native ISO 25600 51200
Max enhanced ISO - 204800
Min native ISO 200 160
RAW photos
Min enhanced ISO 64 80
Autofocusing
Manual focusing
Autofocus touch
Autofocus continuous
Autofocus single
Autofocus tracking
Selective autofocus
Autofocus center weighted
Multi area autofocus
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Total focus points 121 225
Cross type focus points 121 -
Lens
Lens support Micro Four Thirds Micro Four Thirds
Total lenses 107 107
Focal length multiplier 2.1 2.1
Screen
Display type Fully Articulated Fully Articulated
Display sizing 3" 3.2"
Resolution of display 1,037 thousand dot 1,620 thousand dot
Selfie friendly
Liveview
Touch capability
Viewfinder Information
Viewfinder type Electronic Electronic
Viewfinder resolution 2,360 thousand dot 3,680 thousand dot
Viewfinder coverage 100% 100%
Viewfinder magnification 0.74x 0.76x
Features
Min shutter speed 60 secs 60 secs
Max shutter speed 1/8000 secs 1/8000 secs
Max quiet shutter speed 1/32000 secs 1/16000 secs
Continuous shutter speed 60.0fps 12.0fps
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Set white balance
Image stabilization
Integrated flash
Flash distance 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
Hot shoe
AE bracketing
White balance bracketing
Max flash sync 1/250 secs -
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 4096 x 2160 @ 60p / 150 Mbps, MOV, H.264, Linear PCM
Max video resolution 4096x2160 4096x2160
Video file format MPEG-4, H.264 MPEG-4, H.264, H.265
Microphone jack
Headphone jack
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 3.1 Gen 1 (5 GBit/sec) USB 3.1
GPS None None
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 580 gr (1.28 lbs) 660 gr (1.46 lbs)
Dimensions 134 x 91 x 69mm (5.3" x 3.6" x 2.7") 139 x 98 x 87mm (5.5" x 3.9" x 3.4")
DXO scores
DXO Overall 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 420 shots 440 shots
Style of battery Battery Pack Battery Pack
Battery ID BLH-1 DMW-BLF19
Self timer Yes (2 or 12 secs, custom) Yes (2 or 10 secs, 10 secs w/3 images)
Time lapse feature
Storage media Dual SD/SDHC/SDXC slots (UHS-II on first slot) Dual SD/SDHC/SDXC cards (UHS-II V60 cards supported)
Storage slots Two Two
Retail price $1,800 $2,498