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Olympus E-M5 III vs Panasonic G3

Portability
80
Imaging
62
Features
88
Overall
72
Olympus OM-D E-M5 III front
 
Panasonic Lumix DMC-G3 front
Portability
83
Imaging
51
Features
62
Overall
55

Olympus E-M5 III vs Panasonic G3 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
  • Announced October 2019
  • Succeeded the Olympus E-M5 II
  • Refreshed by OM System OM-5
Panasonic G3
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Fully Articulated Screen
  • ISO 160 - 6400
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 336g - 115 x 84 x 47mm
  • Announced July 2011
  • Older Model is Panasonic G2
  • Successor is Panasonic G5
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Olympus E-M5 III vs Panasonic G3 Overview

Below, we will be looking at the Olympus E-M5 III and Panasonic G3, one being a Advanced Mirrorless and the latter is a Entry-Level Mirrorless by competitors Olympus and Panasonic. There exists a crucial gap between the sensor resolutions of the E-M5 III (20MP) and G3 (16MP) but they use the exact same sensor dimensions (Four Thirds).

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The E-M5 III was released 8 years later than the G3 and that is quite a serious gap as far as technology is concerned. Each of the cameras come with the identical body type (SLR-style mirrorless).

Before diving through a in depth comparison, below is a brief summary of how the E-M5 III grades against the G3 with regards to portability, imaging, features and an overall rating.

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

 E-M5 III G3 
AnnouncedOctober 2019July 2011Fresher by 101 months
Screen resolution1040k460kCrisper screen (+580k dot)

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

 G3 E-M5 III 

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

 E-M5 III G3 
Focus manually Dial accurate focusing
Screen typeFully ArticulatedFully ArticulatedFully Articulated screen
Screen dimension3"3"Identical screen sizing
Selfie screen Both good for selfies
Touch screen Quickly navigate

Olympus E-M5 III vs Panasonic G3 Physical Comparison

For anybody who is aiming to carry your camera frequently, you have to think about its weight and dimensions. The Olympus E-M5 III enjoys 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 Panasonic G3 has dimensions of 115mm x 84mm x 47mm (4.5" x 3.3" x 1.9") along with a weight of 336 grams (0.74 lbs).

Analyze the Olympus E-M5 III and Panasonic G3 in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an Interchangeable Lens Camera will differ depending on the lens you have chosen during that time. Below is the front view sizing comparison of the E-M5 III and the G3.

Olympus E-M5 III vs Panasonic G3 size comparison

Factoring in dimensions and weight, the portability grade of the E-M5 III and G3 is 80 and 83 respectively.

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

Olympus E-M5 III vs Panasonic G3 Sensor Comparison

Quite often, it's hard to picture the contrast between sensor sizing only by going over technical specs. The visual below will help offer you a much better sense of the sensor measurements in the E-M5 III and G3.

As you can tell, the two cameras posses the exact same sensor measurements albeit different MP. You should expect the Olympus E-M5 III to offer greater detail as a result of its extra 4 Megapixels. Higher resolution will also make it easier to crop photographs somewhat more aggressively. The fresher E-M5 III provides an edge with regard to sensor innovation.

Olympus E-M5 III vs Panasonic G3 sensor size comparison

Olympus E-M5 III vs Panasonic G3 Screen and ViewFinder

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

Portrait Comparison

Olympus E-M5 III Portrait photography features
Panasonic G3 Portrait photography features
77
manual focus
decent MP (20MP)
sensor size is decent (Four Thirds)
includes face detection autofocus
exports RAW files
70
you can focus manually
good megapixels (16MP)
nice sensor size (Four Thirds)
features face detect focusing
exports RAW formats
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Street Comparison

Olympus E-M5 III Street photography info
Panasonic G3 Street photography info
83
screen articulates fully
image stabilization (Sensor based 5-axis)
sensor size is decent (Four Thirds)
exports RAW files
has touch to focus
weather proof
great ISO range (25,600)
75
fully articulated screen
nice sensor size (Four Thirds)
exports RAW formats
provides touch focus
does not have image stabilization
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Sports Comparison

Olympus E-M5 III Sports photography info
Panasonic G3 Sports photography info
76
maximum shutter speed is high (1/8,000s)
silent shutter (1/32,000s)
high fps (30.0 fps)
image stabilization (Sensor based 5-axis)
decent MP (20 megapixels)
sensor size is decent (Four Thirds)
includes tracking autofocus
weather proof
has phase detect autofocus
not so great battery power (310 per charge)
46
good megapixels (16 megapixels)
nice sensor size (Four Thirds)
features tracking focus
slow fps (4.0 frames/s)
does not have image stabilization
terrible battery power (270 per charge)
doesn't have phase detect AF
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Travel Comparison

Olympus E-M5 III Travel photography factors
Panasonic G3 Travel photography factors
77
weather proof
has bluetooth
has touch to focus
decent MP (20MP)
selfie friendly display
not so great battery power (310 shots)
70
provides touch focus
good megapixels (16 megapixels)
has built in flash
display is selfie friendly
missing Time Lapse function
terrible battery power (270 per charge)
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Landscape Comparison

Olympus E-M5 III as a Landscape photography camera
Panasonic G3 as a Landscape photography camera
77
manual focus
change lenses (Micro Four Thirds mount)
screen size is decent (3 inches)
image stabilization (Sensor based 5-axis)
decent MP (20 megapixels)
sensor size is decent (Four Thirds)
great ISO range (25,600)
exports RAW files
weather proof
not so great battery power (310 shots)
62
you can focus manually
switch lenses (Micro Four Thirds mount)
nice screen size (3 inches)
good megapixels (16MP)
nice sensor size (Four Thirds)
exports RAW formats
does not have image stabilization
terrible battery power (270 shots)
missing Time Lapse function
Photography Glossary

Vlogging Comparison

Olympus E-M5 III Vlogging highlights
Panasonic G3 Vlogging highlights
84
selfie friendly display
touch screen
image stabilization (Sensor based 5-axis)
includes face detection autofocus
high video quality (4096 x 2160 pixels)
has external mic support
70
display is selfie friendly
touchscreen enabled
features face detect focusing
high res video (1920 x 1080 resolution)
does not have image stabilization
missing mic port
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Olympus E-M5 III vs Panasonic G3 Specifications

Detailed spec comparison table for Olympus E-M5 III and Panasonic G3
 Olympus OM-D E-M5 IIIPanasonic Lumix DMC-G3
General Information
Company Olympus Panasonic
Model type Olympus OM-D E-M5 III Panasonic Lumix DMC-G3
Type Advanced Mirrorless Entry-Level Mirrorless
Announced 2019-10-17 2011-07-11
Body design SLR-style mirrorless SLR-style mirrorless
Sensor Information
Processor TruePic VIII Venus Engine FHD
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 20 megapixels 16 megapixels
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 1:1, 4:3, 3:2 and 16:9
Full resolution 5184 x 3888 4592 x 3448
Max native ISO 25600 6400
Minimum native ISO 200 160
RAW files
Minimum boosted ISO 64 -
Autofocusing
Focus manually
AF touch
Continuous AF
Single AF
AF tracking
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 121 23
Lens
Lens support Micro Four Thirds Micro Four Thirds
Available lenses 107 107
Focal length multiplier 2.1 2.1
Screen
Range of display Fully Articulated Fully Articulated
Display sizing 3 inch 3 inch
Display resolution 1,040k dot 460k dot
Selfie friendly
Liveview
Touch functionality
Display technology - TFT Color LCD with wide-viewing angle
Viewfinder Information
Viewfinder type Electronic Electronic
Viewfinder resolution 2,360k dot 1,440k dot
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.68x 0.7x
Features
Lowest shutter speed 60s 60s
Highest shutter speed 1/8000s 1/4000s
Highest quiet shutter speed 1/32000s -
Continuous shooting speed 30.0 frames per second 4.0 frames per second
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Change WB
Image stabilization
Integrated flash
Flash distance no built-in flash 11.00 m
Flash settings Auto, redeye, fill, off, redeye slow sync, slow sync, 2nd-curtain slow sync, manual Auto, On, Off, Red-Eye, Slow Sync
Hot shoe
AEB
White balance bracketing
Highest flash sync 1/250s 1/160s
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 1920 x 1080 (60fps) 1280 x 720 (60, 30 fps), 640 x 480 (30fps), 320 x 240 (30fps))
Max video resolution 4096x2160 1920x1080
Video format MPEG-4, H.264 AVCHD, Motion JPEG
Mic jack
Headphone jack
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
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 414 grams (0.91 lb) 336 grams (0.74 lb)
Dimensions 125 x 85 x 50mm (4.9" x 3.3" x 2.0") 115 x 84 x 47mm (4.5" x 3.3" x 1.9")
DXO scores
DXO All around rating not tested 56
DXO Color Depth rating not tested 21.0
DXO Dynamic range rating not tested 10.6
DXO Low light rating not tested 667
Other
Battery life 310 shots 270 shots
Type of battery Battery Pack Battery Pack
Battery ID BLN-1 -
Self timer Yes (2 or 10 secs, custom) Yes (2 or 10 sec)
Time lapse recording
Type of storage SD/SDHC/SDXC (UHS-II supported) SD/SDHC/SDXC
Storage slots 1 1
Price at launch $1,199 $500