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Olympus E-P3 vs Panasonic GX850

Portability
86
Imaging
48
Features
60
Overall
52
Olympus PEN E-P3 front
 
Panasonic Lumix DMC-GX850 front
Portability
90
Imaging
55
Features
70
Overall
61

Olympus E-P3 vs Panasonic GX850 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
  • Announced August 2011
  • Old Model is Olympus E-P2
  • Renewed by Olympus E-P5
Panasonic GX850
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Tilting Display
  • ISO 200 - 25600
  • No Anti-Alias Filter
  • 3840 x 2160 video
  • Micro Four Thirds Mount
  • 269g - 107 x 65 x 33mm
  • Introduced January 2017
  • Also referred to as Lumix DMC-GX800 / Lumix DMC-GF9
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Olympus E-P3 vs Panasonic GX850 Overview

On this page, we are analyzing the Olympus E-P3 and Panasonic GX850, both Entry-Level Mirrorless cameras by brands Olympus and Panasonic. There is a considerable difference among the sensor resolutions of the E-P3 (12MP) and GX850 (16MP) but both cameras offer the same sensor sizing (Four Thirds).

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The E-P3 was revealed 6 years earlier than the GX850 which is a fairly large difference as far as camera tech is concerned. Both of these cameras have the same body design (Rangefinder-style mirrorless).

Before we go into a detailed comparison, here is a concise summation of how the E-P3 matches up vs the GX850 in relation to portability, imaging, features and an overall score.

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Reasons to pick Olympus E-P3 over the Panasonic GX850

 E-P3 GX850 

Reasons to pick Panasonic GX850 over the Olympus E-P3

 GX850 E-P3 
IntroducedJanuary 2017August 2011More modern by 65 months
Display typeTiltingFixed Tilting display
Display resolution1040k614kCrisper display (+426k dot)
Selfie screen Take selfies

Common features in the Olympus E-P3 and Panasonic GX850

 E-P3 GX850 
Focus manually More precise focus
Display dimensions3"3"Equal display measurement
Touch friendly display Easily navigate

Olympus E-P3 vs Panasonic GX850 Physical Comparison

In case you're going to carry around your camera, you will need to factor its weight and volume. The Olympus E-P3 offers physical dimensions of 122mm x 69mm x 34mm (4.8" x 2.7" x 1.3") along with a weight of 369 grams (0.81 lbs) while the Panasonic GX850 has sizing of 107mm x 65mm x 33mm (4.2" x 2.6" x 1.3") having a weight of 269 grams (0.59 lbs).

Check out the Olympus E-P3 and Panasonic GX850 in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an ILC will change dependant on the lens you have at that time. Here is a front view proportions comparison of the E-P3 versus the GX850.

Olympus E-P3 vs Panasonic GX850 size comparison

Taking into consideration size and weight, the portability score of the E-P3 and GX850 is 86 and 90 respectively.

Olympus E-P3 vs Panasonic GX850 top view buttons comparison

Olympus E-P3 vs Panasonic GX850 Sensor Comparison

Generally, it is very hard to see the difference in sensor sizes purely by checking out specs. The pic here should offer you a stronger sense of the sensor dimensions in the E-P3 and GX850.

All in all, the 2 cameras provide the same sensor dimensions but not the same MP. You can expect to see the Panasonic GX850 to show more detail because of its extra 4MP. Greater resolution can also make it easier to crop pics more aggressively. The more aged E-P3 will be disadvantaged with regard to sensor technology.

Olympus E-P3 vs Panasonic GX850 sensor size comparison

Olympus E-P3 vs Panasonic GX850 Screen and ViewFinder

Olympus E-P3 vs Panasonic GX850 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Olympus E-P3
Portrait photography with Panasonic GX850
60
manual focus
sensor size is decent (Four Thirds)
includes face detect focus
delivers RAW formats
MP count low (12 megapixels)
66
focusing manually
MP count good (16 megapixels)
good sensor size (Four Thirds)
comes with face detect autofocus
exports RAW files
cannot use external flash
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Street Comparison

Olympus E-P3 Street photography highlights
Panasonic GX850 Street photography highlights
76
built in image stabilization (Sensor based)
sensor size is decent (Four Thirds)
delivers RAW formats
boasts touch to focus
no moving screen
80
screen tilts up and down
good sensor size (Four Thirds)
exports RAW files
includes touch to focus
above average high ISO (25,600)
does not have image stabilization
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Sports Comparison

Sports photography with Olympus E-P3
Sports photography with Panasonic GX850
49
built in image stabilization (Sensor based)
sensor size is decent (Four Thirds)
includes tracking focus
max frames per second low (3.0 fps)
MP count low (12 megapixels)
no phase detect auto focus
52
quiet shooting (1/16,000s)
MP count good (16MP)
good sensor size (Four Thirds)
comes with tracking focus
low maximum shutter speed (1/500s)
does not have image stabilization
terrible battery power (210 per charge)
lacks phase detect autofocus
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Travel Comparison

Olympus E-P3 Travel photography advice
Panasonic GX850 Travel photography advice
60
boasts touch to focus
flash built-in
doesn't have Time Lapse recording
MP count low (12 megapixels)
does not feature selfie friendly screen
79
includes touch to focus
MP count good (16MP)
built-in flash
screen is selfie friendly
terrible battery power (210 per charge)
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Landscape Comparison

Olympus E-P3 Landscape photography factors
Panasonic GX850 Landscape photography factors
65
manual focus
change lenses (Micro Four Thirds mount)
screen is a decent size (3 inch)
built in image stabilization (Sensor based)
sensor size is decent (Four Thirds)
delivers RAW formats
MP count low (12 megapixels)
doesn't have Time Lapse recording
71
focusing manually
switch lenses (Micro Four Thirds mount)
pretty good screen size (3 inch)
MP count good (16MP)
good sensor size (Four Thirds)
doesnt have low pass filter
above average high ISO (25,600)
exports RAW files
does not have image stabilization
terrible battery power (210 CIPA)
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Vlogging Comparison

Olympus E-P3 Vlogging information
Panasonic GX850 Vlogging information
35
touch screen
built in image stabilization (Sensor based)
includes face detect focus
video resolution high (1920 x 1080 resolution)
does not feature selfie friendly screen
doesn't have mic jack
73
screen is selfie friendly
touch screen
comes with face detect autofocus
great video quality (3840 x 2160 resolution)
does not have image stabilization
does not have microphone socket
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Olympus E-P3 vs Panasonic GX850 Specifications

Detailed spec comparison table for Olympus E-P3 and Panasonic GX850
 Olympus PEN E-P3Panasonic Lumix DMC-GX850
General Information
Company Olympus Panasonic
Model Olympus PEN E-P3 Panasonic Lumix DMC-GX850
Also referred to as - Lumix DMC-GX800 / Lumix DMC-GF9
Class Entry-Level Mirrorless Entry-Level Mirrorless
Announced 2011-08-17 2017-01-04
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 12 megapixels 16 megapixels
Anti aliasing filter
Aspect ratio 4:3 1:1, 4:3, 3:2 and 16:9
Highest resolution 4032 x 3024 4592 x 3448
Highest native ISO 12800 25600
Min native ISO 100 200
RAW files
Min boosted ISO - 100
Autofocusing
Focus manually
Autofocus touch
Continuous autofocus
Single autofocus
Autofocus tracking
Autofocus selectice
Autofocus center weighted
Autofocus multi area
Live view autofocus
Face detect focus
Contract detect focus
Phase detect focus
Number of focus points 35 49
Lens
Lens mounting type Micro Four Thirds Micro Four Thirds
Available lenses 107 107
Focal length multiplier 2.1 2.1
Screen
Type of display Fixed Type Tilting
Display size 3 inch 3 inch
Resolution of display 614k dots 1,040k dots
Selfie friendly
Liveview
Touch operation
Display tech 3:2 OLED with Anti-Fingerprint Coating -
Viewfinder Information
Viewfinder Electronic (optional) None
Features
Lowest shutter speed 60s 60s
Highest shutter speed 1/4000s 1/500s
Highest quiet shutter speed - 1/16000s
Continuous shooting rate 3.0 frames/s 10.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Integrated flash
Flash range 10.00 m (@ ISO 200) 4.00 m (at ISO 100)
Flash settings Auto, On, Off, Red-Eye, Fill-in, Slow Sync, Wireless, Manual (3 levels) Auto, auto w/redeye reduction, on, on w/redeye reduction, slow sync, slow sync w/redeye reduction
External flash
AE bracketing
WB bracketing
Highest flash synchronize 1/180s -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1920 x 1080 (60 fps), 1280 x 720 (60, 30 fps), 640 x 480 (30 fps) 3840 x 2160 @ 30p / 100 Mbps, MP4, H.264, AAC3840 x 2160 @ 24p / 100 Mbps, MP4, H.264, AAC1920 x 1080 @ 60p / 28 Mbps, MP4, H.264, AAC1920 x 1080 @ 60p / 28 Mbps, AVCHD, MTS, H.264, Dolby Digital1920 x 1080 @ 60i / 17 Mbps, AVCHD, MTS, H.264, Dolby Digital1920 x 1080 @ 30p / 20 Mbps, MP4, H.264
Highest video resolution 1920x1080 3840x2160
Video format AVCHD, Motion JPEG MPEG-4, AVCHD
Microphone port
Headphone port
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 369 grams (0.81 pounds) 269 grams (0.59 pounds)
Physical dimensions 122 x 69 x 34mm (4.8" x 2.7" x 1.3") 107 x 65 x 33mm (4.2" x 2.6" x 1.3")
DXO scores
DXO All around score 51 73
DXO Color Depth score 20.8 23.2
DXO Dynamic range score 10.1 13.3
DXO Low light score 536 586
Other
Battery life 330 photos 210 photos
Form of battery Battery Pack Battery Pack
Battery model BLS-5 -
Self timer Yes (2 or 12 sec) Yes (2, 10 sec, 3 images/10 sec)
Time lapse feature
Storage type SD/SDHC/SDXC card microSD/SDHC/SDXC
Card slots 1 1
Retail cost $0 $548