Olympus E-M5 III vs Panasonic GH3
Portability
80 Imaging
62 Features
88 Overall
72
80 Imaging
62 Features
88 Overall
72
Portability
66 Imaging
52 Features
80 Overall
63
66 Imaging
52 Features
80 Overall
63
Olympus E-M5 III vs Panasonic GH3 Key Specs
Olympus E-M5 III
(Full Review)
(Full Review)
- 20MP - Four Thirds Sensor
- 3" Fully Articulated Display
- ISO 200 - 25600
- Sensor based 5-axis Image Stabilization
- 1/8000s Max Shutter
- 4096 x 2160 video
- Micro Four Thirds Mount
- 414g - 125 x 85 x 50mm
- Launched October 2019
- Replaced the Olympus E-M5 II
- Newer Model is OM System OM-5
Panasonic GH3
(Full Review)
(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
- Introduced September 2012
- Old Model is Panasonic GH2
- Later Model is Panasonic GH4
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Following is a comprehensive analysis of the Olympus E-M5 III and Panasonic GH3, both Advanced Mirrorless cameras by companies Olympus and Panasonic. There is a sizeable difference among the image resolutions of the E-M5 III (20MP) and GH3 (16MP) but they come with the same exact sensor sizing (Four Thirds).
Photography GlossaryThe E-M5 III was launched 7 years after the GH3 which is a fairly large gap as far as camera tech is concerned. Both of these cameras offer the identical body type (SLR-style mirrorless).
Before diving through a in-depth comparison, below is a concise introduction of how the E-M5 III matches up against the GH3 when considering portability, imaging, features and an overall score.
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Following is a preview of the gallery photos for Olympus OM-D E-M5 III and Panasonic Lumix DMC-GH3. The complete galleries are viewable at Olympus E-M5 III Gallery and Panasonic GH3 Gallery.
Reasons to pick Olympus E-M5 III over the Panasonic GH3
| E-M5 III | GH3 | |||
|---|---|---|---|---|
| Introduced | October 2019 |  | September 2012 | More modern by 87 months |
| Screen resolution | 1040k |  | 614k | Clearer screen (+426k dot) |
Reasons to pick Panasonic GH3 over the Olympus E-M5 III
| GH3 | E-M5 III |
|---|
Common features in the Olympus E-M5 III and Panasonic GH3
| E-M5 III | GH3 | |||
|---|---|---|---|---|
| Manual focus |  | Very accurate focusing | ||
| Screen type | Fully Articulated |  | Fully Articulated | Fully Articulated screen |
| Screen sizing | 3" |  | 3" | Equivalent screen measurement |
| Selfie screen |  | Both good for selfies | ||
| Touch screen |  | Quickly navigate |
Olympus E-M5 III vs Panasonic GH3 Physical Comparison
If you're looking to carry around your camera regularly, you need to consider its weight and proportions. The Olympus E-M5 III provides outside dimensions of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") having a weight of 414 grams (0.91 lbs) whilst the Panasonic GH3 has measurements of 133mm x 93mm x 82mm (5.2" x 3.7" x 3.2") with a weight of 550 grams (1.21 lbs).
Compare the Olympus E-M5 III and Panasonic GH3 in the all new Camera and Lens Size Comparison Tool.
Remember that, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are utilizing at that moment. Following is the front view size comparison of the E-M5 III and the GH3.
Considering size and weight, the portability rating of the E-M5 III and GH3 is 80 and 66 respectively.
Olympus E-M5 III vs Panasonic GH3 Sensor Comparison
Usually, its difficult to visualize the difference in sensor sizes just by seeing technical specs. The pic here should provide you a much better sense of the sensor sizes in the E-M5 III and GH3.
As you have seen, both the cameras offer the same exact sensor sizing albeit different megapixels. You should count on the Olympus E-M5 III to show more detail utilizing its extra 4 Megapixels. Higher resolution will also enable you to crop shots a little more aggressively. The fresher E-M5 III provides a benefit when it comes to sensor innovation.
Olympus E-M5 III vs Panasonic GH3 Screen and ViewFinder
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Portrait Comparison
Olympus E-M5 III Portrait photography details
Panasonic GH3 Portrait photography details
has manual focus
decent MP (20 megapixels)
sensor size is decent (Four Thirds)
has face detect autofocus
exports RAW formats
focusing manually
good megapixels (16MP)
nice sensor size (Four Thirds)
features face detect focus
saves RAW files
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Olympus E-M5 III Street photography highlights
Panasonic GH3 Street photography highlights
screen articulates fully
image stabilization (Sensor based 5-axis)
sensor size is decent (Four Thirds)
exports RAW formats
provides focus by touch
weather sealing
good ISO range (25,600)
fully articulated screen
nice sensor size (Four Thirds)
saves RAW files
supports touch to focus
environment proofing
lack of image stabilization
heavier than competition in class (550g)
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Olympus E-M5 III Sports photography information
Panasonic GH3 Sports photography information
max shutter speed is good (1/8,000s)
silent mode (1/32,000s)
fast shooting (30.0 frames per second)
image stabilization (Sensor based 5-axis)
decent MP (20 megapixels)
sensor size is decent (Four Thirds)
has tracking focus
weather sealing
comes with phase detect autofocus
bad battery power (310 per charge)
high max frames per second (20.0 fps)
good megapixels (16 megapixels)
nice sensor size (Four Thirds)
features tracking focus
environment proofing
good battery (540 CIPA)
lack of image stabilization
no phase detect auto focus
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Olympus E-M5 III Travel photography information
Panasonic GH3 Travel photography information
weather sealing
supports bluetooth
provides focus by touch
decent MP (20 megapixels)
display is selfie friendly
bad battery power (310 CIPA)
good battery (540 shots)
environment proofing
supports touch to focus
good megapixels (16 megapixels)
flash built-in
screen is selfie friendly
heavier than competition in class (550 grams)
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Olympus E-M5 III Landscape photography details
Panasonic GH3 Landscape photography details
has manual focus
change lenses (Micro Four Thirds mount)
screen size is decent (3 inch)
image stabilization (Sensor based 5-axis)
decent MP (20 megapixels)
sensor size is decent (Four Thirds)
good ISO range (25,600)
exports RAW formats
weather sealing
bad battery power (310 CIPA)
focusing manually
switch lenses (Micro Four Thirds mount)
nice screen size (3 inches)
good megapixels (16 megapixels)
nice sensor size (Four Thirds)
saves RAW files
environment proofing
good battery (540 shots)
lack of image stabilization
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Olympus E-M5 III as a Vlogging camera
Panasonic GH3 as a Vlogging camera
display is selfie friendly
screen is touchscreen
image stabilization (Sensor based 5-axis)
has face detect autofocus
good video quality (4096 x 2160 pixels)
does have microphone jack
screen is selfie friendly
has touchscreen
features face detect focus
high res video (1920 x 1080 resolution)
comes with mic port
lack of image stabilization
heavier than competition in class (550 grams)
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Olympus E-M5 III vs Panasonic GH3 Specifications
| Olympus OM-D E-M5 III | Panasonic Lumix DMC-GH3 | |
|---|---|---|
| General Information | ||
| Make | Olympus | Panasonic |
| Model | Olympus OM-D E-M5 III | Panasonic Lumix DMC-GH3 |
| Category | Advanced Mirrorless | Advanced Mirrorless |
| Launched | 2019-10-17 | 2012-09-17 |
| Body design | SLR-style mirrorless | SLR-style mirrorless |
| Sensor Information | ||
| Processor Chip | TruePic VIII | Venus Engine VII FHD |
| Sensor type | MOS | CMOS |
| Sensor size | Four Thirds | Four Thirds |
| Sensor dimensions | 17.4 x 13mm | 17.3 x 13mm |
| Sensor surface 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 |
| Maximum resolution | 5184 x 3888 | 4608 x 3456 |
| Maximum native ISO | 25600 | 12800 |
| Minimum native ISO | 200 | 200 |
| RAW format | ||
| Minimum boosted ISO | 64 | - |
| Autofocusing | ||
| Focus manually | ||
| Touch to focus | ||
| Continuous autofocus | ||
| Single autofocus | ||
| Tracking autofocus | ||
| Selective autofocus | ||
| Autofocus center weighted | ||
| Autofocus multi area | ||
| Autofocus live view | ||
| Face detect focus | ||
| Contract detect focus | ||
| Phase detect focus | ||
| Number of focus points | 121 | 23 |
| Lens | ||
| Lens mounting type | Micro Four Thirds | Micro Four Thirds |
| Total lenses | 107 | 107 |
| Focal length multiplier | 2.1 | 2.1 |
| Screen | ||
| Range of display | Fully Articulated | Fully Articulated |
| Display sizing | 3 inch | 3 inch |
| Display resolution | 1,040k dot | 614k dot |
| Selfie friendly | ||
| Liveview | ||
| Touch operation | ||
| Display 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 | ||
| Slowest shutter speed | 60 seconds | 60 seconds |
| Maximum shutter speed | 1/8000 seconds | 1/4000 seconds |
| Maximum quiet shutter speed | 1/32000 seconds | - |
| Continuous shooting speed | 30.0 frames per sec | 20.0 frames per sec |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | Yes |
| Change 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 |
| External flash | ||
| AE bracketing | ||
| WB bracketing | ||
| Maximum flash sync | 1/250 seconds | 1/160 seconds |
| 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 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 file format | MPEG-4, H.264 | MPEG-4, AVCHD, H.264 |
| Mic jack | ||
| Headphone jack | ||
| 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 | ||
| Environmental seal | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 414 grams (0.91 pounds) | 550 grams (1.21 pounds) |
| 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 All around 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 shots | 540 shots |
| Type of battery | Battery Pack | Battery Pack |
| Battery model | BLN-1 | - |
| 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 | 1 | 1 |
| Retail cost | $1,199 | $799 |
