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Olympus E-M10 IV vs Panasonic G9

Portability
81
Imaging
63
Features
83
Overall
71
Olympus OM-D E-M10 IV front
 
Panasonic Lumix DC-G9 front
Portability
62
Imaging
61
Features
90
Overall
72

Olympus E-M10 IV vs Panasonic G9 Key Specs

Olympus E-M10 IV
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Tilting Display
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • 3840 x 2160 video
  • Micro Four Thirds Mount
  • 383g - 122 x 84 x 49mm
  • Introduced August 2020
  • Previous Model is Olympus E-M10 III
Panasonic G9
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Fully Articulated Screen
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Micro Four Thirds Mount
  • 658g - 137 x 97 x 92mm
  • Introduced November 2017
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Olympus E-M10 IV vs Panasonic G9 Overview

Its time to look more closely at the Olympus E-M10 IV vs Panasonic G9, one being a Entry-Level Mirrorless and the latter is a Pro Mirrorless by competitors Olympus and Panasonic. The resolution of the E-M10 IV (20MP) and the G9 (20MP) is relatively well matched and both cameras offer the same sensor size (Four Thirds).

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The E-M10 IV was announced 2 years later than the G9 and that is quite a big gap as far as tech is concerned. Each of these cameras have the same body design (SLR-style mirrorless).

Before going into a complete comparison, here is a concise view of how the E-M10 IV grades versus the G9 with regard to portability, imaging, features and an overall grade.

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Reasons to pick Olympus E-M10 IV over the Panasonic G9

 E-M10 IV G9 
IntroducedAugust 2020November 2017More recent by 34 months

Reasons to pick Panasonic G9 over the Olympus E-M10 IV

 G9 E-M10 IV 
Screen typeFully ArticulatedTiltingFully Articulating screen

Common features in the Olympus E-M10 IV and Panasonic G9

 E-M10 IV G9 
Focus manually Dial exact focus
Screen dimensions3"3"Equal screen size
Screen resolution1040k1040kExact same screen resolution
Selfie screen Both are selfie friendly
Touch screen Quickly navigate

Olympus E-M10 IV vs Panasonic G9 Physical Comparison

If you're going to lug around your camera, you're going to have to factor its weight and size. The Olympus E-M10 IV has got exterior dimensions of 122mm x 84mm x 49mm (4.8" x 3.3" x 1.9") with a weight of 383 grams (0.84 lbs) whilst the Panasonic G9 has specifications of 137mm x 97mm x 92mm (5.4" x 3.8" x 3.6") and a weight of 658 grams (1.45 lbs).

Compare the Olympus E-M10 IV vs Panasonic G9 in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an Interchangeable Lens Camera will change dependant on the lens you are employing at that moment. Underneath is a front view dimension comparison of the E-M10 IV vs the G9.

Olympus E-M10 IV vs Panasonic G9 size comparison

Considering size and weight, the portability rating of the E-M10 IV and G9 is 81 and 62 respectively.

Olympus E-M10 IV vs Panasonic G9 top view buttons comparison

Olympus E-M10 IV vs Panasonic G9 Sensor Comparison

Oftentimes, it can be difficult to visualise the gap between sensor measurements only by checking technical specs. The photograph underneath should offer you a greater sense of the sensor sizes in the E-M10 IV and G9.

As you can tell, both of those cameras provide the same sensor dimensions and the same exact resolution so you should expect similar quality of photos but you should really take the production date of the products into consideration. The more recent E-M10 IV is going to have a benefit with regard to sensor tech.

Olympus E-M10 IV vs Panasonic G9 sensor size comparison

Olympus E-M10 IV vs Panasonic G9 Screen and ViewFinder

Olympus E-M10 IV vs Panasonic G9 Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Olympus E-M10 IV Portrait photography details
Panasonic G9 Portrait photography details
77
you can focus manually
MP count good (20 megapixels)
nice sensor size (Four Thirds)
comes with face detection focusing
supports RAW files
76
has manual focus
resolution is good (20MP)
sensor size is nice (Four Thirds)
comes with face detection autofocus
supports RAW files
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Street Comparison

Olympus E-M10 IV Street photography advice
Panasonic G9 Street photography advice
84
screen tilts
built in image stabilization (Sensor based 5-axis)
nice sensor size (Four Thirds)
supports RAW files
provides focus via touch
very good ISO range (25,600)
75
screen articulates fully
has image stabilization (Sensor based 5-axis)
sensor size is nice (Four Thirds)
supports RAW files
comes with touch to focus
environment proofing
above average ISO range (25,600)
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Sports Comparison

Olympus E-M10 IV Sports photography information
Panasonic G9 Sports photography information
73
quiet mode (1/16,000s)
built in image stabilization (Sensor based 5-axis)
MP count good (20 megapixels)
nice sensor size (Four Thirds)
comes with tracking autofocus
no phase detect AF
70
high shutter speed (1/8,000s)
quiet mode (1/32,000s)
high max fps (20.0 fps)
has image stabilization (Sensor based 5-axis)
resolution is good (20 megapixels)
sensor size is nice (Four Thirds)
comes with tracking autofocus
environment proofing
bad battery pack (400 per charge)
lack of phase detect autofocus
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Travel Comparison

Olympus E-M10 IV Travel photography info
Panasonic G9 Travel photography info
85
supports bluetooth
provides focus via touch
MP count good (20MP)
flash built-in
selfie friendly screen
70
environment proofing
connects via bluetooth
comes with touch to focus
resolution is good (20 megapixels)
selfie friendly display
bad battery pack (400 shots)
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Landscape Comparison

Landscape photography with Olympus E-M10 IV
Landscape photography with Panasonic G9
83
you can focus manually
interchangeable lenses (Micro Four Thirds mount)
nice screen size (3 inches)
built in image stabilization (Sensor based 5-axis)
MP count good (20 megapixels)
nice sensor size (Four Thirds)
very good ISO range (25,600)
supports RAW files
76
has manual focus
interchangeable lenses (Micro Four Thirds mount)
screen is a good size (3 inch)
has image stabilization (Sensor based 5-axis)
resolution is good (20 megapixels)
sensor size is nice (Four Thirds)
no anti aliasing filter
above average ISO range (25,600)
supports RAW files
environment proofing
two card slots
bad battery pack (400 CIPA)
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Vlogging Comparison

Olympus E-M10 IV as a Vlogging camera
Panasonic G9 as a Vlogging camera
78
selfie friendly screen
built-in touchscreen
built in image stabilization (Sensor based 5-axis)
comes with face detection focusing
video res high (3840 x 2160 pxls)
doesn't have external mic port
77
selfie friendly display
touch screen
has image stabilization (Sensor based 5-axis)
comes with face detection autofocus
great video quality (3840 x 2160 resolution)
does have external mic socket
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Olympus E-M10 IV vs Panasonic G9 Specifications

Detailed spec comparison table for Olympus E-M10 IV and Panasonic G9
 Olympus OM-D E-M10 IVPanasonic Lumix DC-G9
General Information
Company Olympus Panasonic
Model Olympus OM-D E-M10 IV Panasonic Lumix DC-G9
Category Entry-Level Mirrorless Pro Mirrorless
Introduced 2020-08-04 2017-11-08
Physical type SLR-style mirrorless SLR-style mirrorless
Sensor Information
Powered by TruePic VIII -
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 megapixel 20 megapixel
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 5184 x 3888
Maximum native ISO 25600 25600
Lowest native ISO 200 200
RAW photos
Lowest enhanced ISO 100 100
Autofocusing
Manual focus
AF touch
Continuous AF
AF single
AF tracking
Selective AF
Center weighted AF
AF multi area
AF live view
Face detect focusing
Contract detect focusing
Phase detect focusing
Number of focus points 121 225
Lens
Lens mount Micro Four Thirds Micro Four Thirds
Number of lenses 107 107
Focal length multiplier 2.1 2.1
Screen
Type of display Tilting Fully Articulated
Display sizing 3" 3"
Display resolution 1,040k dots 1,040k dots
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder Electronic Electronic
Viewfinder resolution 2,360k dots 3,680k dots
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.62x 0.83x
Features
Min shutter speed 60s 60s
Max shutter speed 1/4000s 1/8000s
Max quiet shutter speed 1/16000s 1/32000s
Continuous shutter rate 8.7 frames/s 20.0 frames/s
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Change WB
Image stabilization
Integrated flash
Flash range 7.20 m (at ISO 200) no built-in flash
Flash modes Redeye, fill-in, off, redeye slow-sync (1st-curtain), slow sync (1st-curtain), slow sync (2nd-curtain), manual Auto, Auto/Red-eye Reduction, Forced On, Forced On/Red-eye Reduction, Slow Sync., Slow Sync./Red-eye Reduction, Forced Off
External flash
Auto exposure bracketing
White balance bracketing
Max flash synchronize 1/250s -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 3840 x 2160 @ 30p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 25p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 24p / 102 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 60p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 50p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 30p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 25p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 24p / 52 Mbps, MOV, H.264, Linear PCM 3840 x 2160 @ 60p / 150 Mbps, MP4, H.264, Linear PCM
Maximum video resolution 3840x2160 3840x2160
Video format MPEG-4, H.264 MPEG-4, AVCHD, H.264
Mic port
Headphone port
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.0 (5 GBit/sec)
GPS None None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 383g (0.84 lb) 658g (1.45 lb)
Physical dimensions 122 x 84 x 49mm (4.8" x 3.3" x 1.9") 137 x 97 x 92mm (5.4" x 3.8" x 3.6")
DXO scores
DXO Overall score not tested not tested
DXO Color Depth score not tested not tested
DXO Dynamic range score not tested not tested
DXO Low light score not tested not tested
Other
Battery life 360 shots 400 shots
Style of battery Battery Pack Battery Pack
Battery model BLS-50 DMW-BLF19
Self timer Yes (2 or 12 sec, custom) Yes
Time lapse shooting
Storage type SD/SDHC/SDXC (UHS-II supported) Dual SD/SDHC/SDXC slots (UHS-II supported)
Card slots 1 Two
Retail pricing $699 $1,500