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Olympus E-M5 III vs Sony G3

Portability
80
Imaging
62
Features
88
Overall
72
Olympus OM-D E-M5 III front
 
Sony Cyber-shot DSC-G3 front
Portability
94
Imaging
33
Features
30
Overall
31

Olympus E-M5 III vs Sony G3 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 Max Shutter
  • 4096 x 2160 video
  • Micro Four Thirds Mount
  • 414g - 125 x 85 x 50mm
  • Launched October 2019
  • Older Model is Olympus E-M5 II
  • Later Model is OM System OM-5
Sony G3
(Full Review)
  • 10MP - 1/2.3" Sensor
  • 3.5" Fixed Display
  • ISO 80 - 3200
  • Optical Image Stabilization
  • 640 x 480 video
  • 35-140mm (F3.5-10.0) lens
  • 185g - 97 x 59 x 22mm
  • Released January 2009
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Olympus E-M5 III vs Sony G3 Overview

Let's look closer at the Olympus E-M5 III vs Sony G3, former is a Advanced Mirrorless while the other is a Small Sensor Compact by manufacturers Olympus and Sony. There exists a noticeable gap among the image resolutions of the E-M5 III (20MP) and G3 (10MP) and the E-M5 III (Four Thirds) and G3 (1/2.3") enjoy different sensor measurements.

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The E-M5 III was announced 10 years after the G3 which is a fairly sizable difference as far as camera technology is concerned. Each of the cameras come with different body type with the Olympus E-M5 III being a SLR-style mirrorless camera and the Sony G3 being a Compact camera.

Before getting straight into a comprehensive comparison, below is a concise synopsis of how the E-M5 III scores vs the G3 in the way of portability, imaging, features and an overall mark.

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Reasons to pick Olympus E-M5 III over the Sony G3

 E-M5 III G3 
ReleasedOctober 2019January 2009Newer by 132 months
Display typeFully ArticulatedFixed Fully Articulating display
Display resolution1040k921kCrisper display (+119k dot)
Selfie screen Easy selfies

Reasons to pick Sony G3 over the Olympus E-M5 III

 G3 E-M5 III 
Display dimension3.5"3"Larger display (+0.5")

Common features in the Olympus E-M5 III and Sony G3

 E-M5 III G3 
Focus manually Dial accurate focus
Touch display Easily navigate

Olympus E-M5 III vs Sony G3 Physical Comparison

For those who are going to travel with your camera, you'll need to factor its weight and proportions. The Olympus E-M5 III has got physical measurements of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") accompanied by a weight of 414 grams (0.91 lbs) while the Sony G3 has measurements of 97mm x 59mm x 22mm (3.8" x 2.3" x 0.9") and a weight of 185 grams (0.41 lbs).

Take a look at the Olympus E-M5 III vs Sony G3 in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an ILC will differ based on the lens you are working with at that moment. Here is the front view overall size comparison of the E-M5 III against the G3.

Olympus E-M5 III vs Sony G3 size comparison

Factoring in dimensions and weight, the portability grade of the E-M5 III and G3 is 80 and 94 respectively.

Olympus E-M5 III vs Sony G3 top view buttons comparison

Olympus E-M5 III vs Sony G3 Sensor Comparison

Typically, it is very tough to picture the contrast in sensor dimensions just by viewing specifications. The pic below will help offer you a much better sense of the sensor measurements in the E-M5 III and G3.

To sum up, both of those cameras posses different resolutions and different sensor dimensions. The E-M5 III using its larger sensor is going to make getting shallower DOF simpler and the Olympus E-M5 III will result in more detail with its extra 10MP. Greater resolution can also make it easier to crop photos somewhat more aggressively. The fresher E-M5 III provides a benefit in sensor technology.

Olympus E-M5 III vs Sony G3 sensor size comparison

Olympus E-M5 III vs Sony G3 Screen and ViewFinder

Olympus E-M5 III vs Sony G3 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-M5 III Portrait photography highlights
Sony G3 Portrait photography highlights
77
you can focus manually
decent sensor resolution (20MP)
good sensor size (Four Thirds)
supports face detection autofocus
saves RAW formats
26
has manual focus
manual exposure not available
no external flash support
MP count low (10 megapixels)
sensor size is small (1/2.3")
has no RAW support
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Street Comparison

Olympus E-M5 III as a Street photography camera
Sony G3 as a Street photography camera
83
screen articulates
image stabilization (Sensor based 5-axis)
good sensor size (Four Thirds)
saves RAW formats
has focus via touch
weather sealing
good high ISO (25,600)
56
built in image stabilization (Optical)
screen is fixed
sensor size is small (1/2.3")
has no RAW support
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Sports Comparison

Olympus E-M5 III as a Sports photography camera
Sony G3 as a Sports photography camera
76
high shutter speed (1/8,000 seconds)
silent shutter (1/32,000 seconds)
fast shooting (30.0 frames per second)
image stabilization (Sensor based 5-axis)
decent sensor resolution (20 megapixels)
good sensor size (Four Thirds)
supports tracking autofocus
weather sealing
has phase detect autofocus
not so great battery (310 CIPA)
23
built in image stabilization (Optical)
low maximum shutter speed (1/1,000s)
max frames per second low (2.0 frames/s)
lack of shutter priority mode
MP count low (10 megapixels)
sensor size is small (1/2.3")
has no phase detect autofocus
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Travel Comparison

Olympus E-M5 III Travel photography features
Sony G3 Travel photography features
77
weather sealing
connects via bluetooth
has focus via touch
decent sensor resolution (20 megapixels)
selfie friendly screen
not so great battery (310 per charge)
50
has built in flash
lack of Time Lapse recording
MP count low (10MP)
screen is not selfie friendly
wide angle not the best (35mm)
sluggish max aperture (f3.5)
Photography Glossary

Landscape Comparison

Olympus E-M5 III Landscape photography info
Sony G3 Landscape photography info
77
you can focus manually
change lenses (Micro Four Thirds mount)
pretty good screen size (3 inches)
image stabilization (Sensor based 5-axis)
decent sensor resolution (20MP)
good sensor size (Four Thirds)
good high ISO (25,600)
saves RAW formats
weather sealing
not so great battery (310 CIPA)
36
has manual focus
bigger than average screen (3.5 inches)
built in image stabilization (Optical)
lens is fixed (fixed lens mount)
wide angle not the best (35mm)
sluggish max aperture (f3.5)
manual exposure not available
MP count low (10 megapixels)
sensor size is small (1/2.3")
has no RAW support
lack of Time Lapse recording
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Vlogging Comparison

Olympus E-M5 III Vlogging advice
Sony G3 Vlogging advice
84
selfie friendly screen
screen is touchscreen
image stabilization (Sensor based 5-axis)
supports face detection autofocus
high res video (4096 x 2160 pxls)
has external microphone jack
27
built-in touchscreen
built in image stabilization (Optical)
wide angle not the best (35mm)
sluggish max aperture (f3.5)
screen is not selfie friendly
low video resolution (640 x 480 pixels)
lack of external mic jack
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Olympus E-M5 III vs Sony G3 Specifications

Detailed spec comparison table for Olympus E-M5 III and Sony G3
 Olympus OM-D E-M5 IIISony Cyber-shot DSC-G3
General Information
Manufacturer Olympus Sony
Model type Olympus OM-D E-M5 III Sony Cyber-shot DSC-G3
Category Advanced Mirrorless Small Sensor Compact
Launched 2019-10-17 2009-01-08
Body design SLR-style mirrorless Compact
Sensor Information
Powered by TruePic VIII -
Sensor type MOS CCD
Sensor size Four Thirds 1/2.3"
Sensor dimensions 17.4 x 13mm 6.17 x 4.55mm
Sensor surface area 226.2mm² 28.1mm²
Sensor resolution 20MP 10MP
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 4:3, 3:2 and 16:9
Peak resolution 5184 x 3888 3648 x 2736
Highest native ISO 25600 3200
Min native ISO 200 80
RAW pictures
Min enhanced ISO 64 -
Autofocusing
Manual focusing
AF touch
AF continuous
AF single
Tracking AF
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detection AF
Contract detection AF
Phase detection AF
Total focus points 121 9
Lens
Lens support Micro Four Thirds fixed lens
Lens zoom range - 35-140mm (4.0x)
Largest aperture - f/3.5-10.0
Number of lenses 107 -
Crop factor 2.1 5.8
Screen
Range of screen Fully Articulated Fixed Type
Screen size 3 inches 3.5 inches
Screen resolution 1,040 thousand dot 921 thousand dot
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder type Electronic None
Viewfinder resolution 2,360 thousand dot -
Viewfinder coverage 100% -
Viewfinder magnification 0.68x -
Features
Min shutter speed 60 secs 1 secs
Max shutter speed 1/8000 secs 1/1000 secs
Max silent shutter speed 1/32000 secs -
Continuous shutter speed 30.0fps 2.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes -
Custom WB
Image stabilization
Integrated flash
Flash distance no built-in flash 4.30 m (Auto ISO)
Flash options Auto, redeye, fill, off, redeye slow sync, slow sync, 2nd-curtain slow sync, manual Auto, On, Off, Red-Eye reduction, Slow Sync
Hot shoe
Auto exposure bracketing
WB bracketing
Max flash sync 1/250 secs -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 4096 x 2160 @ 24p / 237 Mbps, MOV, H.264, Linear PCM 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Highest video resolution 4096x2160 640x480
Video format MPEG-4, H.264 Motion JPEG
Mic input
Headphone input
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 414 grams (0.91 lbs) 185 grams (0.41 lbs)
Dimensions 125 x 85 x 50mm (4.9" x 3.3" x 2.0") 97 x 59 x 22mm (3.8" x 2.3" x 0.9")
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 310 photos -
Form of battery Battery Pack -
Battery ID BLN-1 -
Self timer Yes (2 or 10 secs, custom) Yes (2 or 10 sec)
Time lapse shooting
Storage media SD/SDHC/SDXC (UHS-II supported) Memory Stick Duo/Pro Duo, Internal
Storage slots 1 1
Pricing at release $1,199 $200