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Olympus E-P3 vs Panasonic G3

Portability
86
Imaging
48
Features
60
Overall
52
Olympus PEN E-P3 front
 
Panasonic Lumix DMC-G3 front
Portability
83
Imaging
51
Features
62
Overall
55

Olympus E-P3 vs Panasonic G3 Key Specs

Olympus E-P3
(Full Review)
  • 12MP - Four Thirds Sensor
  • 3" Fixed Screen
  • ISO 100 - 12800
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 369g - 122 x 69 x 34mm
  • Revealed August 2011
  • Replaced the Olympus E-P2
  • Later Model is Olympus E-P5
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
  • Announced July 2011
  • Succeeded the Panasonic G2
  • Later Model is Panasonic G5
Photography Glossary

Olympus E-P3 vs Panasonic G3 Overview

Below, we are contrasting the Olympus E-P3 and Panasonic G3, both Entry-Level Mirrorless cameras by rivals Olympus and Panasonic. There is a considerable difference among the image resolutions of the E-P3 (12MP) and G3 (16MP) but they use the exact same sensor dimensions (Four Thirds).

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The E-P3 was unveiled 2 months after the G3 which means that they are of a similar age. Each of these cameras come with different body type with the Olympus E-P3 being a Rangefinder-style mirrorless camera and the Panasonic G3 being a SLR-style mirrorless camera.

Before diving in to a full comparison, below is a concise highlight of how the E-P3 matches up vs the G3 in regards to portability, imaging, features and an overall score.

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Reasons to pick Olympus E-P3 over the Panasonic G3

 E-P3 G3 
Display resolution614k460kSharper display (+154k dot)

Reasons to pick Panasonic G3 over the Olympus E-P3

 G3 E-P3 
Display typeFully ArticulatedFixed Fully Articulating display
Selfie screen Easy selfies

Common features in the Olympus E-P3 and Panasonic G3

 E-P3 G3 
AnnouncedAugust 2011July 2011Same age
Manual focus Very exact focus
Display dimension3"3"Identical display sizing
Touch friendly display Easily navigate

Olympus E-P3 vs Panasonic G3 Physical Comparison

For anyone who is planning to carry around your camera, you'll need to think about its weight and size. The Olympus E-P3 enjoys outside dimensions of 122mm x 69mm x 34mm (4.8" x 2.7" x 1.3") accompanied by a weight of 369 grams (0.81 lbs) whilst the Panasonic G3 has specifications of 115mm x 84mm x 47mm (4.5" x 3.3" x 1.9") and a weight of 336 grams (0.74 lbs).

See the Olympus E-P3 and Panasonic G3 in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an ILC will change based on the lens you are utilizing during that time. Here is the front view proportions comparison of the E-P3 vs the G3.

Olympus E-P3 vs Panasonic G3 size comparison

Using size and weight, the portability grade of the E-P3 and G3 is 86 and 83 respectively.

Olympus E-P3 vs Panasonic G3 top view buttons comparison

Olympus E-P3 vs Panasonic G3 Sensor Comparison

In many cases, its tough to picture the gap in sensor sizes purely by checking out specs. The picture here might provide you a better sense of the sensor sizes in the E-P3 and G3.

All in all, both cameras posses the exact same sensor measurements but different megapixels. You can anticipate the Panasonic G3 to show extra detail having an extra 4MP. Greater resolution will help you crop images somewhat more aggressively.

Olympus E-P3 vs Panasonic G3 sensor size comparison

Olympus E-P3 vs Panasonic G3 Screen and ViewFinder

Olympus E-P3 vs Panasonic G3 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-P3 Portrait photography details
Panasonic G3 Portrait photography details
60
you can focus manually
decent sensor size (Four Thirds)
provides face detect focusing
exports RAW formats
sensor resolution not great (12 megapixels)
70
focusing manually
MP count decent (16 megapixels)
sensor size is decent (Four Thirds)
comes with face detection focus
exports RAW formats
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Street Comparison

Street photography with Olympus E-P3
Street photography with Panasonic G3
76
image stabilization (Sensor based)
decent sensor size (Four Thirds)
exports RAW formats
offers touch to focus
no moving screen
75
fully articulated screen
sensor size is decent (Four Thirds)
exports RAW formats
includes focus by touch
no image stabilization
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Sports Comparison

Sports photography with Olympus E-P3
Sports photography with Panasonic G3
49
image stabilization (Sensor based)
decent sensor size (Four Thirds)
provides tracking focus
max frames per second low (3.0 frames per second)
sensor resolution not great (12MP)
doesn't have phase detect AF
46
MP count decent (16MP)
sensor size is decent (Four Thirds)
comes with tracking autofocus
slow fps (4.0 fps)
no image stabilization
not so great battery power (270 CIPA)
does not have phase detect auto focus
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Travel Comparison

Olympus E-P3 as a Travel photography camera
Panasonic G3 as a Travel photography camera
60
offers touch to focus
built-in flash
doesn't have Time Lapse function
sensor resolution not great (12 megapixels)
doesn't have a selfie friendly screen
70
includes focus by touch
MP count decent (16MP)
flash built-in
screen is selfie friendly
missing Time Lapse function
not so great battery power (270 CIPA)
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Landscape Comparison

Olympus E-P3 Landscape photography details
Panasonic G3 Landscape photography details
65
you can focus manually
change lenses (Micro Four Thirds mount)
screen is a decent size (3 inch)
image stabilization (Sensor based)
decent sensor size (Four Thirds)
exports RAW formats
sensor resolution not great (12MP)
doesn't have Time Lapse function
62
focusing manually
swap lenses (Micro Four Thirds mount)
nice screen size (3 inches)
MP count decent (16MP)
sensor size is decent (Four Thirds)
exports RAW formats
no image stabilization
not so great battery power (270 CIPA)
missing Time Lapse function
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Vlogging Comparison

Olympus E-P3 Vlogging details
Panasonic G3 Vlogging details
35
touch screen
image stabilization (Sensor based)
provides face detect focusing
great video quality (1920 x 1080 pixels)
doesn't have a selfie friendly screen
doesn't have mic support
70
screen is selfie friendly
touch screen
comes with face detection focus
video res high (1920 x 1080 pixels)
no image stabilization
missing external mic port
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Olympus E-P3 vs Panasonic G3 Specifications

Detailed spec comparison table for Olympus E-P3 and Panasonic G3
 Olympus PEN E-P3Panasonic Lumix DMC-G3
General Information
Brand Olympus Panasonic
Model type Olympus PEN E-P3 Panasonic Lumix DMC-G3
Class Entry-Level Mirrorless Entry-Level Mirrorless
Revealed 2011-08-17 2011-07-11
Body design Rangefinder-style mirrorless SLR-style mirrorless
Sensor Information
Powered by TruePic VI Venus Engine FHD
Sensor type CMOS CMOS
Sensor size Four Thirds Four Thirds
Sensor dimensions 17.3 x 13mm 17.3 x 13mm
Sensor surface area 224.9mm² 224.9mm²
Sensor resolution 12 megapixels 16 megapixels
Anti alias filter
Aspect ratio 4:3 1:1, 4:3, 3:2 and 16:9
Full resolution 4032 x 3024 4592 x 3448
Max native ISO 12800 6400
Minimum native ISO 100 160
RAW photos
Autofocusing
Manual focusing
Touch to focus
Continuous autofocus
Single autofocus
Autofocus tracking
Selective autofocus
Autofocus center weighted
Autofocus multi area
Autofocus live view
Face detection focus
Contract detection focus
Phase detection focus
Total focus points 35 23
Lens
Lens mount type Micro Four Thirds Micro Four Thirds
Number of lenses 107 107
Crop factor 2.1 2.1
Screen
Range of screen Fixed Type Fully Articulated
Screen sizing 3 inch 3 inch
Screen resolution 614k dot 460k dot
Selfie friendly
Liveview
Touch screen
Screen technology 3:2 OLED with Anti-Fingerprint Coating TFT Color LCD with wide-viewing angle
Viewfinder Information
Viewfinder type Electronic (optional) Electronic
Viewfinder resolution - 1,440k dot
Viewfinder coverage - 100 percent
Viewfinder magnification - 0.7x
Features
Lowest shutter speed 60 secs 60 secs
Highest shutter speed 1/4000 secs 1/4000 secs
Continuous shooting speed 3.0 frames per second 4.0 frames per second
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Set white balance
Image stabilization
Built-in flash
Flash distance 10.00 m (@ ISO 200) 11.00 m
Flash settings Auto, On, Off, Red-Eye, Fill-in, Slow Sync, Wireless, Manual (3 levels) Auto, On, Off, Red-Eye, Slow Sync
External flash
Auto exposure bracketing
White balance bracketing
Highest flash sync 1/180 secs 1/160 secs
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1920 x 1080 (60 fps), 1280 x 720 (60, 30 fps), 640 x 480 (30 fps) 1920 x 1080 (60fps) 1280 x 720 (60, 30 fps), 640 x 480 (30fps), 320 x 240 (30fps))
Max video resolution 1920x1080 1920x1080
Video format AVCHD, Motion JPEG AVCHD, Motion JPEG
Mic jack
Headphone jack
Connectivity
Wireless None 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 369 grams (0.81 pounds) 336 grams (0.74 pounds)
Dimensions 122 x 69 x 34mm (4.8" x 2.7" x 1.3") 115 x 84 x 47mm (4.5" x 3.3" x 1.9")
DXO scores
DXO All around rating 51 56
DXO Color Depth rating 20.8 21.0
DXO Dynamic range rating 10.1 10.6
DXO Low light rating 536 667
Other
Battery life 330 photographs 270 photographs
Battery form Battery Pack Battery Pack
Battery ID BLS-5 -
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse recording
Storage media SD/SDHC/SDXC card SD/SDHC/SDXC
Storage slots Single Single
Cost at launch $0 $500