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OM System OM-5 vs Panasonic GH3

Portability
80
Imaging
64
Features
88
Overall
73
OM System OM-5 front
 
Panasonic Lumix DMC-GH3 front
Portability
66
Imaging
52
Features
80
Overall
63

OM System OM-5 vs Panasonic GH3 Key Specs

OM System OM-5
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3.00" Fully Articulated Screen
  • 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 2022
  • Succeeded the Olympus E-M5 III
Panasonic GH3
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Fully Articulated Screen
  • ISO 200 - 12800
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 550g - 133 x 93 x 82mm
  • Announced September 2012
  • Replaced the Panasonic GH2
  • Successor is Panasonic GH4
Photography Glossary

OM System OM-5 vs Panasonic GH3 Overview

Below is a detailed assessment of the OM System OM-5 versus Panasonic GH3, both Advanced Mirrorless cameras by brands Olympus and Panasonic. There exists a considerable gap among the sensor resolutions of the OM System OM-5 (20MP) and GH3 (16MP) but both cameras boast the identical sensor measurements (Four Thirds).

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The OM System OM-5 was brought out 10 years later than the GH3 and that is a fairly large difference as far as camera technology is concerned. Both cameras feature the same body design (SLR-style mirrorless).

Before diving right into a more detailed comparison, here is a concise introduction of how the OM System OM-5 grades vs the GH3 in terms of portability, imaging, features and an overall grade.

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Reasons to pick OM System OM-5 over the Panasonic GH3

 OM System OM-5 GH3 
AnnouncedOctober 2022September 2012More recent by 124 months
Screen resolution1040k614kCrisper screen (+426k dot)

Reasons to pick Panasonic GH3 over the OM System OM-5

 GH3 OM System OM-5 

Common features in the OM System OM-5 and Panasonic GH3

 OM System OM-5 GH3 
Manual focus Dial precise focusing
Screen typeFully ArticulatedFully ArticulatedFully Articulated screen
Screen size3.00"3"Same screen measurements
Selfie screen Both good for selfies
Touch friendly screen Quickly navigate

OM System OM-5 vs Panasonic GH3 Physical Comparison

For anybody who is aiming to lug around your camera frequently, you'll need to factor in its weight and volume. The OM System OM-5 offers exterior 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) whilst the Panasonic GH3 has sizing of 133mm x 93mm x 82mm (5.2" x 3.7" x 3.2") having a weight of 550 grams (1.21 lbs).

Check out the OM System OM-5 versus Panasonic GH3 in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an ILC will vary depending on the lens you are using at that time. The following is a front view dimension comparison of the OM System OM-5 compared to the GH3.

OM System OM-5 vs Panasonic GH3 size comparison

Considering dimensions and weight, the portability grade of the OM System OM-5 and GH3 is 80 and 66 respectively.

OM System OM-5 vs Panasonic GH3 top view buttons comparison

OM System OM-5 vs Panasonic GH3 Sensor Comparison

Quite often, it is very difficult to imagine the difference in sensor measurements simply by checking out specs. The photograph underneath will help provide you a better sense of the sensor sizing in the OM System OM-5 and GH3.

As you can plainly see, each of these cameras come with the identical sensor size albeit different resolution. You can expect the OM System OM-5 to show extra detail having its extra 4 Megapixels. Higher resolution will make it easier to crop pictures a good deal more aggressively. The more modern OM System OM-5 provides an advantage when it comes to sensor tech.

OM System OM-5 vs Panasonic GH3 sensor size comparison

OM System OM-5 vs Panasonic GH3 Screen and ViewFinder

OM System OM-5 vs Panasonic GH3 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

OM System OM-5 as a Portrait photography camera
Panasonic GH3 as a Portrait photography camera
78
has manual focus
resolution is good (20MP)
decent sensor size (Four Thirds)
features face detect focusing
exports RAW files
71
focusing manually
decent sensor resolution (16 megapixels)
nice sensor size (Four Thirds)
provides face detect autofocus
delivers RAW files
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Street Comparison

OM System OM-5 Street photography features
Panasonic GH3 Street photography features
84
screen can move to multiple angles
has image stabilization (Sensor based 5-axis)
decent sensor size (Four Thirds)
exports RAW files
includes touch focus
weather proof
very good high ISO (25,600)
65
fully articulated screen
nice sensor size (Four Thirds)
delivers RAW files
includes touch focus
weather sealing
lack of image stabilization
heavier than competitors in class (550g)
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Sports Comparison

OM System OM-5 Sports photography details
Panasonic GH3 Sports photography details
76
high shutter speed (1/8,000 seconds)
quiet shooting (1/32,000 seconds)
has image stabilization (Sensor based 5-axis)
resolution is good (20 megapixels)
decent sensor size (Four Thirds)
features tracking focus
weather proof
has phase detect AF
low battery power (310 shots)
63
high fps (20.0 frames per second)
decent sensor resolution (16 megapixels)
nice sensor size (Four Thirds)
provides tracking focus
weather sealing
good battery life (540 per charge)
lack of image stabilization
no phase detect autofocus
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Travel Comparison

OM System OM-5 Travel photography information
Panasonic GH3 Travel photography information
78
weather proof
has bluetooth
includes touch focus
resolution is good (20 megapixels)
selfie friendly display
low battery power (310 shots)
71
good battery life (540 shots)
weather sealing
includes touch focus
decent sensor resolution (16MP)
built-in flash
screen is selfie friendly
heavier than competitors in class (550g)
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Landscape Comparison

OM System OM-5 Landscape photography details
Panasonic GH3 Landscape photography details
78
has manual focus
switch lenses (Micro Four Thirds mount)
good sized screen (3.00")
has image stabilization (Sensor based 5-axis)
resolution is good (20 megapixels)
decent sensor size (Four Thirds)
very good high ISO (25,600)
exports RAW files
weather proof
low battery power (310 per charge)
71
focusing manually
swap lenses (Micro Four Thirds mount)
pretty good screen size (3")
decent sensor resolution (16 megapixels)
nice sensor size (Four Thirds)
delivers RAW files
weather sealing
good battery life (540 shots)
lack of image stabilization
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Vlogging Comparison

OM System OM-5 Vlogging factors
Panasonic GH3 Vlogging factors
84
selfie friendly display
touchscreen enabled
has image stabilization (Sensor based 5-axis)
features face detect focusing
video res high (4096 x 2160 resolution)
has mic port
65
screen is selfie friendly
touchscreen enabled
provides face detect autofocus
video resolution high (1920 x 1080 resolution)
has mic jack
lack of image stabilization
heavier than competitors in class (550 grams)
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OM System OM-5 vs Panasonic GH3 Specifications

Detailed spec comparison table for OM System OM-5 and Panasonic GH3
 OM System OM-5Panasonic Lumix DMC-GH3
General Information
Brand Name Olympus Panasonic
Model OM System OM-5 Panasonic Lumix DMC-GH3
Class Advanced Mirrorless Advanced Mirrorless
Announced 2022-10-26 2012-09-17
Body design SLR-style mirrorless SLR-style mirrorless
Sensor Information
Processor Chip - Venus Engine VII FHD
Sensor type CMOS CMOS
Sensor size Four Thirds Four Thirds
Sensor dimensions 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 1:1, 4:3, 3:2 and 16:9 1:1, 4:3, 3:2 and 16:9
Highest Possible resolution 5184 x 3888 4608 x 3456
Maximum native ISO 25600 12800
Lowest native ISO 200 200
RAW images
Lowest enhanced ISO 64 -
Autofocusing
Manual focus
Autofocus touch
Autofocus continuous
Single autofocus
Autofocus tracking
Autofocus selectice
Center weighted autofocus
Multi area autofocus
Live view autofocus
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Number of focus points 121 23
Lens
Lens mount Micro Four Thirds Micro Four Thirds
Total lenses 119 107
Crop factor 2.1 2.1
Screen
Screen type Fully Articulated Fully Articulated
Screen size 3.00" 3"
Resolution of screen 1,040k dot 614k dot
Selfie friendly
Liveview
Touch display
Screen technology - OLED Monitor with static touch control
Viewfinder Information
Viewfinder type Electronic Electronic
Viewfinder resolution 2,360k dot 1,744k dot
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.68x 0.67x
Features
Minimum shutter speed 60s 60s
Fastest shutter speed 1/8000s 1/4000s
Fastest silent shutter speed 1/32000s -
Continuous shutter speed 10.0 frames/s 20.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set white balance
Image stabilization
Built-in flash
Flash range no built-in flash 12.00 m
Flash modes Auto, redeye, fill, off, redeye slow sync, slow sync, 2nd-curtain slow sync, manual Auto, On, Off, Red-Eye, Slow Sync
Hot shoe
AE bracketing
White balance bracketing
Fastest flash sync 1/250s 1/160s
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 4096 x 2160 @ 24p / 237 Mbps, MOV, H.264, Linear PCM 1920 x 1080 (60, 50, 30, 25 24 fps) 1280 x 720 (60, 50, 30, 25fps), 640 x 480 (30, 25fps
Maximum video resolution 4096x2160 1920x1080
Video format MPEG-4, H.264 MPEG-4, AVCHD, H.264
Mic input
Headphone input
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 414 gr (0.91 pounds) 550 gr (1.21 pounds)
Physical dimensions 125 x 85 x 50mm (4.9" x 3.3" x 2.0") 133 x 93 x 82mm (5.2" x 3.7" x 3.2")
DXO scores
DXO Overall score not tested 71
DXO Color Depth score not tested 22.7
DXO Dynamic range score not tested 12.4
DXO Low light score not tested 812
Other
Battery life 310 pictures 540 pictures
Battery format Battery Pack Battery Pack
Battery model BLS-50 -
Self timer Yes (2 or 10 secs, custom) Yes (2 or 10 sec, 10 sec (3 images))
Time lapse shooting
Type of storage SD/SDHC/SDXC (UHS-II supported) SD/SDHC/SDXC
Storage slots One One
Launch price $1,200 $799