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Olympus E-M5 III vs Panasonic G100

Portability
80
Imaging
62
Features
88
Overall
72
Olympus OM-D E-M5 III front
 
Panasonic Lumix DC-G100 front
Portability
81
Imaging
63
Features
76
Overall
68

Olympus E-M5 III vs Panasonic G100 Key Specs

Olympus E-M5 III
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Fully Articulated Screen
  • 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
  • Succeeded the Olympus E-M5 II
  • Replacement is OM System OM-5
Panasonic G100
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Fully Articulated Display
  • ISO 200 - 25600
  • 3840 x 1920 video
  • Micro Four Thirds Mount
  • 352g - 116 x 83 x 54mm
  • Released June 2020
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Olympus E-M5 III vs Panasonic G100 Overview

Following is a complete review of the Olympus E-M5 III vs Panasonic G100, one is a Advanced Mirrorless and the other is a Entry-Level Mirrorless by brands Olympus and Panasonic. The resolution of the E-M5 III (20MP) and the G100 (20MP) is very close and both cameras posses the identical sensor sizes (Four Thirds).

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The E-M5 III was announced 8 months earlier than the G100 and they are of a similar generation. Both of these cameras feature the same body design (SLR-style mirrorless).

Before going into a comprehensive comparison, here is a quick summation of how the E-M5 III scores vs the G100 when considering portability, imaging, features and an overall score.

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Reasons to pick Olympus E-M5 III over the Panasonic G100

 E-M5 III G100 

Reasons to pick Panasonic G100 over the Olympus E-M5 III

 G100 E-M5 III 
ReleasedJune 2020October 2019More modern by 8 months
Display resolution1840k1040kSharper display (+800k dot)

Common features in the Olympus E-M5 III and Panasonic G100

 E-M5 III G100 
Manual focus Dial precise focus
Display typeFully ArticulatedFully ArticulatedFully Articulated display
Display size3"3"Same display dimensions
Selfie screen Both good for selfies
Touch display Easily navigate

Olympus E-M5 III vs Panasonic G100 Physical Comparison

For those who are intending to carry around your camera often, you're going to have to factor in its weight and size. The Olympus E-M5 III has external dimensions of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") having a weight of 414 grams (0.91 lbs) and the Panasonic G100 has specifications of 116mm x 83mm x 54mm (4.6" x 3.3" x 2.1") with a weight of 352 grams (0.78 lbs).

Contrast the Olympus E-M5 III vs Panasonic G100 in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an Interchangeable Lens Camera will vary based on the lens you are employing at the time. The following is a front view dimension comparison of the E-M5 III vs the G100.

Olympus E-M5 III vs Panasonic G100 size comparison

Using dimensions and weight, the portability score of the E-M5 III and G100 is 80 and 81 respectively.

Olympus E-M5 III vs Panasonic G100 top view buttons comparison

Olympus E-M5 III vs Panasonic G100 Sensor Comparison

Typically, it's tough to picture the contrast in sensor sizes merely by looking through technical specs. The pic here might give you a far better sense of the sensor dimensions in the E-M5 III and G100.

As you can tell, both cameras feature the identical sensor size and the identical megapixels and you should expect comparable quality of pictures but you need to consider the release date of the cameras into account. The more aged E-M5 III will be behind with regard to sensor tech.

Olympus E-M5 III vs Panasonic G100 sensor size comparison

Olympus E-M5 III vs Panasonic G100 Screen and ViewFinder

Olympus E-M5 III vs Panasonic G100 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-M5 III Portrait photography advice
Panasonic G100 Portrait photography advice
77
focusing manually
decent MP (20 megapixels)
good sensor size (Four Thirds)
includes face detection focus
supports RAW formats
77
manual focus
MP count decent (20MP)
sensor size is decent (Four Thirds)
features face detection autofocus
exports RAW formats
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Street Comparison

Street photography with Olympus E-M5 III
Street photography with Panasonic G100
83
screen articulates fully
has image stabilization (Sensor based 5-axis)
good sensor size (Four Thirds)
supports RAW formats
comes with touch to focus
environment proofing
above average high ISO (25,600)
78
screen articulates
sensor size is decent (Four Thirds)
exports RAW formats
includes touch focus
above average high ISO (25,600)
lack of image stabilization
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Sports Comparison

Sports photography with Olympus E-M5 III
Sports photography with Panasonic G100
76
maximum shutter speed is high (1/8,000s)
silent mode (1/32,000s)
high max fps (30.0 fps)
has image stabilization (Sensor based 5-axis)
decent MP (20MP)
good sensor size (Four Thirds)
includes tracking autofocus
environment proofing
comes with phase detect auto focus
not so great battery pack (310 shots)
56
silent mode (1/16,000 seconds)
MP count decent (20MP)
sensor size is decent (Four Thirds)
features tracking autofocus
low maximum shutter speed (1/500 seconds)
lack of image stabilization
low battery power (270 CIPA)
lack of phase detect autofocus
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Travel Comparison

Olympus E-M5 III Travel photography information
Panasonic G100 Travel photography information
77
environment proofing
has bluetooth
comes with touch to focus
decent MP (20MP)
screen is selfie friendly
not so great battery pack (310 shots)
78
has bluetooth
includes touch focus
MP count decent (20 megapixels)
flash built-in
selfie friendly screen
low battery power (270 CIPA)
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Landscape Comparison

Olympus E-M5 III as a Landscape photography camera
Panasonic G100 as a Landscape photography camera
77
focusing manually
swap lenses (Micro Four Thirds mount)
nice screen size (3 inch)
has image stabilization (Sensor based 5-axis)
decent MP (20 megapixels)
good sensor size (Four Thirds)
above average high ISO (25,600)
supports RAW formats
environment proofing
not so great battery pack (310 per charge)
72
manual focus
change lenses (Micro Four Thirds mount)
screen size is decent (3 inch)
MP count decent (20 megapixels)
sensor size is decent (Four Thirds)
above average high ISO (25,600)
exports RAW formats
lack of image stabilization
low battery power (270 CIPA)
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Vlogging Comparison

Olympus E-M5 III Vlogging information
Panasonic G100 Vlogging information
84
screen is selfie friendly
screen is touchscreen
has image stabilization (Sensor based 5-axis)
includes face detection focus
high res video (4096 x 2160 pixels)
does have external mic socket
78
selfie friendly screen
touchscreen
features face detection autofocus
high quality video (3840 x 1920 resolution)
has external mic socket
lack of image stabilization
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Olympus E-M5 III vs Panasonic G100 Specifications

Detailed spec comparison table for Olympus E-M5 III and Panasonic G100
 Olympus OM-D E-M5 IIIPanasonic Lumix DC-G100
General Information
Brand Name Olympus Panasonic
Model type Olympus OM-D E-M5 III Panasonic Lumix DC-G100
Category Advanced Mirrorless Entry-Level Mirrorless
Revealed 2019-10-17 2020-06-24
Physical type SLR-style mirrorless SLR-style mirrorless
Sensor Information
Chip TruePic VIII -
Sensor type MOS CMOS
Sensor size Four Thirds Four Thirds
Sensor dimensions 17.4 x 13mm 17.3 x 13mm
Sensor area 226.2mm² 224.9mm²
Sensor resolution 20MP 20MP
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 1:1, 4:3, 3:2 and 16:9
Highest resolution 5184 x 3888 5184 x 3888
Highest native ISO 25600 25600
Min native ISO 200 200
RAW files
Min boosted ISO 64 100
Autofocusing
Manual focusing
AF touch
Continuous AF
AF single
AF tracking
Selective AF
Center weighted AF
AF multi area
AF live view
Face detection focusing
Contract detection focusing
Phase detection focusing
Total focus points 121 49
Lens
Lens support Micro Four Thirds Micro Four Thirds
Amount of lenses 107 107
Focal length multiplier 2.1 2.1
Screen
Type of screen Fully Articulated Fully Articulated
Screen size 3 inch 3 inch
Resolution of screen 1,040k dots 1,840k dots
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder Electronic Electronic
Viewfinder resolution 2,360k dots 3,680k dots
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.68x 0.73x
Features
Lowest shutter speed 60 seconds 60 seconds
Highest shutter speed 1/8000 seconds 1/500 seconds
Highest silent shutter speed 1/32000 seconds 1/16000 seconds
Continuous shooting rate 30.0fps 10.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom WB
Image stabilization
Integrated flash
Flash distance no built-in flash 3.60 m (at ISO 100)
Flash modes Auto, redeye, fill, off, redeye slow sync, slow sync, 2nd-curtain slow sync, manual Auto, auto w/redeye reduction, on, on w/redeye redduction, slow sync, slow sync w/redeye reduction, off
Hot shoe
AEB
White balance bracketing
Highest flash synchronize 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 PCM 3840 x 1920 @ 30p / 100 Mbps, MOV, H.264, AAC3840 x 1920 @ 25p / 100 Mbps, MOV, H.264, AAC3840 x 1920 @ 24p / 100 Mbps, MOV, H.264, AAC1920 x 1080 @ 120p / 28 Mbps, MOV, H.264, AAC1920 x 1080 @ 60p / 28 Mbps, MOV, H.264, AAC1920 x 1080 @ 50p / 28 Mbps, MOV, H.264, AAC1920 x 1080 @ 30p / 28 Mbps, MOV, H.264, AAC1920 x 1080 @ 25p / 28 Mbps, MOV, H.264, AAC1920 x 1080 @ 24p / 28 Mbps, MOV, H.264, AAC
Highest video resolution 4096x2160 3840x1920
Video data format MPEG-4, H.264 MPEG-4, H.264
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
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 414g (0.91 lbs) 352g (0.78 lbs)
Physical dimensions 125 x 85 x 50mm (4.9" x 3.3" x 2.0") 116 x 83 x 54mm (4.6" x 3.3" x 2.1")
DXO scores
DXO All around 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 310 images 270 images
Form of battery Battery Pack Battery Pack
Battery ID BLN-1 -
Self timer Yes (2 or 10 secs, custom) Yes
Time lapse recording
Storage type SD/SDHC/SDXC (UHS-II supported) SD/SDHC/SDXC card (UHS-I supported)
Card slots One One
Launch price $1,199 $698