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Olympus E-P3 vs Panasonic GX9

Portability
86
Imaging
48
Features
60
Overall
52
Olympus PEN E-P3 front
 
Panasonic Lumix DC-GX9 front
Portability
82
Imaging
61
Features
80
Overall
68

Olympus E-P3 vs Panasonic GX9 Key Specs

Olympus E-P3
(Full Review)
  • 12MP - Four Thirds Sensor
  • 3" Fixed Display
  • ISO 100 - 12800
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 369g - 122 x 69 x 34mm
  • Introduced August 2011
  • Old Model is Olympus E-P2
  • Newer Model is Olympus E-P5
Panasonic GX9
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Tilting Display
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 3840 x 2160 video
  • Micro Four Thirds Mount
  • 407g - 124 x 72 x 47mm
  • Launched February 2018
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Olympus E-P3 vs Panasonic GX9 Overview

Here, we are evaluating the Olympus E-P3 versus Panasonic GX9, former is a Entry-Level Mirrorless while the other is a Advanced Mirrorless by rivals Olympus and Panasonic. There exists a large gap among the sensor resolutions of the E-P3 (12MP) and GX9 (20MP) but both cameras boast the identical sensor measurements (Four Thirds).

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The E-P3 was manufactured 7 years earlier than the GX9 which is a fairly serious difference as far as camera technology is concerned. Both the cameras feature the same body design (Rangefinder-style mirrorless).

Before we go into a in depth comparison, here is a brief overview of how the E-P3 matches up vs the GX9 with regard to portability, imaging, features and an overall mark.

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Reasons to pick Olympus E-P3 over the Panasonic GX9

 E-P3 GX9 

Reasons to pick Panasonic GX9 over the Olympus E-P3

 GX9 E-P3 
LaunchedFebruary 2018August 2011Newer by 79 months
Display typeTiltingFixed Tilting display
Display resolution1240k614kCrisper display (+626k dot)

Common features in the Olympus E-P3 and Panasonic GX9

 E-P3 GX9 
Manual focus More accurate focusing
Display size3"3"Same display measurements
Selfie screen Lacking selfie screen
Touch friendly display Easily navigate

Olympus E-P3 vs Panasonic GX9 Physical Comparison

If you are planning to travel with your camera often, you're going to have to consider its weight and measurements. The Olympus E-P3 has physical measurements of 122mm x 69mm x 34mm (4.8" x 2.7" x 1.3") with a weight of 369 grams (0.81 lbs) and the Panasonic GX9 has proportions of 124mm x 72mm x 47mm (4.9" x 2.8" x 1.9") along with a weight of 407 grams (0.90 lbs).

See the Olympus E-P3 versus Panasonic GX9 in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an ILC will change dependant on the lens you are utilising at the time. Below is a front view proportions comparison of the E-P3 compared to the GX9.

Olympus E-P3 vs Panasonic GX9 size comparison

Looking at dimensions and weight, the portability grade of the E-P3 and GX9 is 86 and 82 respectively.

Olympus E-P3 vs Panasonic GX9 top view buttons comparison

Olympus E-P3 vs Panasonic GX9 Sensor Comparison

Typically, its hard to envision the difference in sensor dimensions simply by checking out a spec sheet. The image underneath should provide you a better sense of the sensor measurements in the E-P3 and GX9.

Clearly, both the cameras feature the identical sensor size but not the same MP. You can expect to see the Panasonic GX9 to produce extra detail due to its extra 8MP. Greater resolution will help you crop images way more aggressively. The more aged E-P3 will be disadvantaged when it comes to sensor innovation.

Olympus E-P3 vs Panasonic GX9 sensor size comparison

Olympus E-P3 vs Panasonic GX9 Screen and ViewFinder

Olympus E-P3 vs Panasonic GX9 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-P3 Portrait photography features
Panasonic GX9 Portrait photography features
60
manual focus
sensor size is nice (Four Thirds)
supports face detection focus
delivers RAW files
sensor resolution low (12 megapixels)
76
manual focus
megapixel count good (20MP)
sensor size is nice (Four Thirds)
offers face detect autofocus
saves RAW files
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Street Comparison

Olympus E-P3 as a Street photography camera
Panasonic GX9 as a Street photography camera
76
has image stabilization (Sensor based)
sensor size is nice (Four Thirds)
delivers RAW files
comes with focus by touch
no articulating screen
84
has a tilting screen
has image stabilization (Sensor based 5-axis)
sensor size is nice (Four Thirds)
saves RAW files
supports touch focus
above average high ISO (25,600)
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Sports Comparison

Sports photography with Olympus E-P3
Sports photography with Panasonic GX9
49
has image stabilization (Sensor based)
sensor size is nice (Four Thirds)
supports tracking autofocus
low fps (3.0 frames per second)
sensor resolution low (12MP)
has no phase detect auto focus
73
quiet shooting (1/16,000 seconds)
has image stabilization (Sensor based 5-axis)
megapixel count good (20 megapixels)
sensor size is nice (Four Thirds)
offers tracking focus
supports phase detect autofocus
terrible battery (260 CIPA)
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Travel Comparison

Olympus E-P3 Travel photography highlights
Panasonic GX9 Travel photography highlights
60
comes with focus by touch
has built in flash
missing Timelapse mode
sensor resolution low (12MP)
does not contain selfie friendly screen
71
has bluetooth
supports touch focus
megapixel count good (20MP)
flash built-in
terrible battery (260 shots)
display isn't selfie friendly
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Landscape Comparison

Olympus E-P3 as a Landscape photography camera
Panasonic GX9 as a Landscape photography camera
65
manual focus
swap lenses (Micro Four Thirds mount)
pretty good screen size (3 inch)
has image stabilization (Sensor based)
sensor size is nice (Four Thirds)
delivers RAW files
sensor resolution low (12MP)
missing Timelapse mode
77
manual focus
switch lenses (Micro Four Thirds mount)
pretty good screen size (3 inch)
has image stabilization (Sensor based 5-axis)
megapixel count good (20MP)
sensor size is nice (Four Thirds)
no anti-alias filter
above average high ISO (25,600)
saves RAW files
terrible battery (260 per charge)
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Vlogging Comparison

Vlogging with Olympus E-P3
Vlogging with Panasonic GX9
35
screen is touchscreen
has image stabilization (Sensor based)
supports face detection focus
high res video (1920 x 1080 pxls)
does not contain selfie friendly screen
missing external microphone port
35
screen is touchscreen
has image stabilization (Sensor based 5-axis)
offers face detect autofocus
video res high (3840 x 2160 pxls)
display isn't selfie friendly
doesn't have microphone socket
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Olympus E-P3 vs Panasonic GX9 Specifications

Detailed spec comparison table for Olympus E-P3 and Panasonic GX9
 Olympus PEN E-P3Panasonic Lumix DC-GX9
General Information
Company Olympus Panasonic
Model Olympus PEN E-P3 Panasonic Lumix DC-GX9
Type Entry-Level Mirrorless Advanced Mirrorless
Introduced 2011-08-17 2018-02-13
Physical type Rangefinder-style mirrorless Rangefinder-style mirrorless
Sensor Information
Processor TruePic VI Venus Engine
Sensor type CMOS CMOS
Sensor size Four Thirds Four Thirds
Sensor measurements 17.3 x 13mm 17.3 x 13mm
Sensor surface area 224.9mm² 224.9mm²
Sensor resolution 12MP 20MP
Anti aliasing filter
Aspect ratio 4:3 1:1, 4:3, 3:2 and 16:9
Maximum resolution 4032 x 3024 5184 x 3888
Maximum native ISO 12800 25600
Minimum native ISO 100 200
RAW files
Minimum boosted ISO - 100
Autofocusing
Focus manually
Touch focus
AF continuous
Single AF
Tracking AF
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Number of focus points 35 49
Lens
Lens mounting type Micro Four Thirds Micro Four Thirds
Available lenses 107 107
Crop factor 2.1 2.1
Screen
Type of display Fixed Type Tilting
Display diagonal 3" 3"
Resolution of display 614 thousand dots 1,240 thousand dots
Selfie friendly
Liveview
Touch screen
Display tech 3:2 OLED with Anti-Fingerprint Coating -
Viewfinder Information
Viewfinder Electronic (optional) Electronic
Viewfinder resolution - 2,760 thousand dots
Viewfinder coverage - 100%
Viewfinder magnification - 0.7x
Features
Slowest shutter speed 60 secs 60 secs
Maximum shutter speed 1/4000 secs 1/4000 secs
Maximum quiet shutter speed - 1/16000 secs
Continuous shooting rate 3.0 frames per sec 9.0 frames per sec
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Custom WB
Image stabilization
Inbuilt flash
Flash range 10.00 m (@ ISO 200) 6.00 m (at ISO 200)
Flash settings Auto, On, Off, Red-Eye, Fill-in, Slow Sync, Wireless, Manual (3 levels) Auto, auto w/redeye reduction, forced on, forced on w/redeye reduction, slow sync, slow sync w/redeye reduction, forced off
Hot shoe
AEB
WB bracketing
Maximum flash synchronize 1/180 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) -
Maximum video resolution 1920x1080 3840x2160
Video data format AVCHD, Motion JPEG MPEG-4, AVCHD, H.264
Microphone port
Headphone port
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) Yes
GPS None None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 369g (0.81 lbs) 407g (0.90 lbs)
Physical dimensions 122 x 69 x 34mm (4.8" x 2.7" x 1.3") 124 x 72 x 47mm (4.9" x 2.8" x 1.9")
DXO scores
DXO All around score 51 not tested
DXO Color Depth score 20.8 not tested
DXO Dynamic range score 10.1 not tested
DXO Low light score 536 not tested
Other
Battery life 330 photos 260 photos
Form of battery Battery Pack Battery Pack
Battery model BLS-5 -
Self timer Yes (2 or 12 sec) Yes (2 or 10 secs, 3 photos over 10 secs)
Time lapse shooting
Storage type SD/SDHC/SDXC card SD/SDHC/SDXC card (UHS-I supported)
Card slots Single Single
Pricing at launch $0 $1,000