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Olympus E-M1 III vs Panasonic G3

Portability
67
Imaging
62
Features
96
Overall
75
Olympus OM-D E-M1 Mark III front
 
Panasonic Lumix DMC-G3 front
Portability
83
Imaging
51
Features
62
Overall
55

Olympus E-M1 III vs Panasonic G3 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 Max Shutter
  • 4096 x 2160 video
  • Micro Four Thirds Mount
  • 580g - 134 x 91 x 69mm
  • Announced February 2020
  • Previous Model is Olympus E-M1 II
Panasonic G3
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Fully Articulated Display
  • ISO 160 - 6400
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 336g - 115 x 84 x 47mm
  • Released July 2011
  • Old Model is Panasonic G2
  • Newer Model is Panasonic G5
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Olympus E-M1 III vs Panasonic G3 Overview

Following is a detailed review of the Olympus E-M1 III versus Panasonic G3, one is a Pro Mirrorless and the other is a Entry-Level Mirrorless by manufacturers Olympus and Panasonic. There is a significant difference between the sensor resolutions of the E-M1 III (20MP) and G3 (16MP) but they possess the exact same sensor size (Four Thirds).

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The E-M1 III was manufactured 8 years after the G3 which is quite a sizable gap as far as tech is concerned. Both the cameras come with the identical body type (SLR-style mirrorless).

Before going in to a thorough comparison, below is a simple summary of how the E-M1 III matches up against the G3 with respect to portability, imaging, features and an overall score.

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Reasons to pick Olympus E-M1 III over the Panasonic G3

 E-M1 III G3 
ReleasedFebruary 2020July 2011More modern by 105 months
Display resolution1037k460kSharper display (+577k dot)

Reasons to pick Panasonic G3 over the Olympus E-M1 III

 G3 E-M1 III 

Common features in the Olympus E-M1 III and Panasonic G3

 E-M1 III G3 
Focus manually Very exact focusing
Display typeFully ArticulatedFully ArticulatedFully Articulated display
Display dimension3"3"Identical display size
Selfie screen Both good for selfies
Touch display Easily navigate

Olympus E-M1 III vs Panasonic G3 Physical Comparison

When you are intending to carry around your camera frequently, you are going to need to factor its weight and dimensions. The Olympus E-M1 III has got external dimensions of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") and a weight of 580 grams (1.28 lbs) and the Panasonic G3 has dimensions of 115mm x 84mm x 47mm (4.5" x 3.3" x 1.9") with a weight of 336 grams (0.74 lbs).

Compare the Olympus E-M1 III versus Panasonic G3 in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an Interchangeable Lens Camera will change depending on the lens you have attached at that time. The following is the front view over all size comparison of the E-M1 III compared to the G3.

Olympus E-M1 III vs Panasonic G3 size comparison

Factoring in size and weight, the portability grade of the E-M1 III and G3 is 67 and 83 respectively.

Olympus E-M1 III vs Panasonic G3 top view buttons comparison

Olympus E-M1 III vs Panasonic G3 Sensor Comparison

Usually, it can be tough to imagine the gap between sensor sizes merely by reviewing specifications. The picture underneath might provide you a much better sense of the sensor sizes in the E-M1 III and G3.

Plainly, each of the cameras have got the exact same sensor measurements but different MP. You should expect to see the Olympus E-M1 III to offer you extra detail due to its extra 4MP. Greater resolution can also enable you to crop photos much more aggressively. The younger E-M1 III provides a benefit with regard to sensor innovation.

Olympus E-M1 III vs Panasonic G3 sensor size comparison

Olympus E-M1 III vs Panasonic G3 Screen and ViewFinder

Olympus E-M1 III vs Panasonic G3 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-M1 III Portrait photography info
Panasonic G3 Portrait photography info
77
you can focus manually
good resolution (20 megapixels)
decent sensor size (Four Thirds)
has face detection focusing
delivers RAW files
70
has manual focus
resolution is good (16MP)
decent sensor size (Four Thirds)
provides face detection focusing
delivers RAW files
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Street Comparison

Street photography with Olympus E-M1 III
Street photography with Panasonic G3
78
fully articulated screen
built in image stabilization (Sensor based 5-axis)
decent sensor size (Four Thirds)
delivers RAW files
provides touch focus
environment proof
great high ISO (25,600)
75
fully articulated screen
decent sensor size (Four Thirds)
delivers RAW files
features touch focus
no image stabilization
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Sports Comparison

Olympus E-M1 III as a Sports photography camera
Panasonic G3 as a Sports photography camera
81
great max shutter speed (1/8,000s)
quiet shutter (1/32,000s)
max fps high (60.0 frames per second)
built in image stabilization (Sensor based 5-axis)
good resolution (20MP)
decent sensor size (Four Thirds)
has tracking autofocus
environment proof
comes with phase detect AF
46
resolution is good (16MP)
decent sensor size (Four Thirds)
provides tracking autofocus
slow continuous shooting (4.0 frames per second)
no image stabilization
bad battery life (270 shots)
has no phase detect AF
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Travel Comparison

Olympus E-M1 III Travel photography features
Panasonic G3 Travel photography features
79
environment proof
has bluetooth
provides touch focus
good resolution (20 megapixels)
selfie friendly display
70
features touch focus
resolution is good (16MP)
flash built-in
display is selfie friendly
doesn't have Timelapse recording
bad battery life (270 CIPA)
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Landscape Comparison

Landscape photography with Olympus E-M1 III
Landscape photography with Panasonic G3
81
you can focus manually
interchangeable lenses (Micro Four Thirds mount)
screen size is good (3 inches)
built in image stabilization (Sensor based 5-axis)
good resolution (20MP)
decent sensor size (Four Thirds)
does not have anti aliasing filter
great high ISO (25,600)
delivers RAW files
environment proof
2 card slots
62
has manual focus
interchangeable lenses (Micro Four Thirds mount)
screen size is good (3 inch)
resolution is good (16MP)
decent sensor size (Four Thirds)
delivers RAW files
no image stabilization
bad battery life (270 per charge)
doesn't have Timelapse recording
Photography Glossary

Vlogging Comparison

Olympus E-M1 III Vlogging details
Panasonic G3 Vlogging details
79
selfie friendly display
touchscreen functionality
built in image stabilization (Sensor based 5-axis)
has face detection focusing
high quality video (4096 x 2160 pixels)
does have external microphone support
70
display is selfie friendly
touchscreen functionality
provides face detection focusing
video resolution high (1920 x 1080 pixels)
no image stabilization
doesn't have external microphone support
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Olympus E-M1 III vs Panasonic G3 Specifications

Detailed spec comparison table for Olympus E-M1 III and Panasonic G3
 Olympus OM-D E-M1 Mark IIIPanasonic Lumix DMC-G3
General Information
Manufacturer Olympus Panasonic
Model Olympus OM-D E-M1 Mark III Panasonic Lumix DMC-G3
Category Pro Mirrorless Entry-Level Mirrorless
Announced 2020-02-11 2011-07-11
Physical type SLR-style mirrorless SLR-style mirrorless
Sensor Information
Powered by TruePic IX Venus Engine FHD
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 megapixels 16 megapixels
Anti aliasing filter
Aspect ratio 4:3 1:1, 4:3, 3:2 and 16:9
Highest Possible resolution 5184 x 3888 4592 x 3448
Maximum native ISO 25600 6400
Min native ISO 200 160
RAW support
Min enhanced ISO 64 -
Autofocusing
Manual focus
Touch focus
AF continuous
AF single
Tracking AF
Selective AF
Center weighted AF
Multi area AF
AF live view
Face detect AF
Contract detect AF
Phase detect AF
Number of focus points 121 23
Cross focus points 121 -
Lens
Lens mount Micro Four Thirds Micro Four Thirds
Number of lenses 107 107
Crop factor 2.1 2.1
Screen
Display type Fully Articulated Fully Articulated
Display diagonal 3 inch 3 inch
Display resolution 1,037k dots 460k dots
Selfie friendly
Liveview
Touch capability
Display tech - TFT Color LCD with wide-viewing angle
Viewfinder Information
Viewfinder Electronic Electronic
Viewfinder resolution 2,360k dots 1,440k dots
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.74x 0.7x
Features
Minimum shutter speed 60 secs 60 secs
Fastest shutter speed 1/8000 secs 1/4000 secs
Fastest quiet shutter speed 1/32000 secs -
Continuous shutter rate 60.0 frames/s 4.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Custom WB
Image stabilization
Integrated flash
Flash range no built-in flash 11.00 m
Flash modes Redeye, Fill-in, Flash Off, Red-eye Slow sync.(1st curtain), Slow sync.(1st curtain), Slow sync.(2nd curtain), Manual Auto, On, Off, Red-Eye, Slow Sync
Hot shoe
AE bracketing
WB bracketing
Fastest flash synchronize 1/250 secs 1/160 secs
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
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 1920 x 1080 (60fps) 1280 x 720 (60, 30 fps), 640 x 480 (30fps), 320 x 240 (30fps))
Maximum video resolution 4096x2160 1920x1080
Video data format MPEG-4, H.264 AVCHD, Motion JPEG
Microphone support
Headphone support
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 3.1 Gen 1 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 580 gr (1.28 pounds) 336 gr (0.74 pounds)
Dimensions 134 x 91 x 69mm (5.3" x 3.6" x 2.7") 115 x 84 x 47mm (4.5" x 3.3" x 1.9")
DXO scores
DXO Overall score not tested 56
DXO Color Depth score not tested 21.0
DXO Dynamic range score not tested 10.6
DXO Low light score not tested 667
Other
Battery life 420 photos 270 photos
Style of battery Battery Pack Battery Pack
Battery model BLH-1 -
Self timer Yes (2 or 12 secs, custom) Yes (2 or 10 sec)
Time lapse feature
Type of storage Dual SD/SDHC/SDXC slots (UHS-II on first slot) SD/SDHC/SDXC
Card slots Two 1
Price at release $1,800 $500