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Olympus E-M10 IV vs Panasonic GX850

Portability
81
Imaging
62
Features
83
Overall
70
Olympus OM-D E-M10 IV front
 
Panasonic Lumix DMC-GX850 front
Portability
90
Imaging
54
Features
70
Overall
60

Olympus E-M10 IV vs Panasonic GX850 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
  • Launched August 2020
  • Superseded the Olympus E-M10 III
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
  • Launched January 2017
  • Other Name is Lumix DMC-GX800 / Lumix DMC-GF9
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Olympus E-M10 IV vs Panasonic GX850 Overview

On this page, we are contrasting the Olympus E-M10 IV vs Panasonic GX850, both Entry-Level Mirrorless digital cameras by competitors Olympus and Panasonic. There exists a large gap between the resolutions of the E-M10 IV (20MP) and GX850 (16MP) but both cameras posses the same sensor measurements (Four Thirds).

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The E-M10 IV was launched 3 years later than the GX850 and that is quite a serious difference as far as technology is concerned. The two cameras have different body design with the Olympus E-M10 IV being a SLR-style mirrorless camera and the Panasonic GX850 being a Rangefinder-style mirrorless camera.

Before diving right into a full comparison, here is a concise highlight of how the E-M10 IV grades vs the GX850 with regards to portability, imaging, features and an overall rating.

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Reasons to pick Olympus E-M10 IV over the Panasonic GX850

 E-M10 IV GX850 
LaunchedAugust 2020January 2017Fresher by 44 months

Reasons to pick Panasonic GX850 over the Olympus E-M10 IV

 GX850 E-M10 IV 

Common features in the Olympus E-M10 IV and Panasonic GX850

 E-M10 IV GX850 
Manually focus Dial precise focusing
Display typeTiltingTiltingTilting display
Display dimensions3"3"Equal display measurements
Display resolution1040k1040kIdentical display resolution
Selfie screen Both are selfie friendly
Touch display Easily navigate

Olympus E-M10 IV vs Panasonic GX850 Physical Comparison

In case you're going to carry your camera, you'll need to think about its weight and measurements. The Olympus E-M10 IV provides physical dimensions of 122mm x 84mm x 49mm (4.8" x 3.3" x 1.9") with a weight of 383 grams (0.84 lbs) while the Panasonic GX850 has proportions of 107mm x 65mm x 33mm (4.2" x 2.6" x 1.3") and a weight of 269 grams (0.59 lbs).

Check the Olympus E-M10 IV vs Panasonic GX850 in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an ILC will vary depending on the lens you are employing during that time. Following is a front view dimensions comparison of the E-M10 IV against the GX850.

Olympus E-M10 IV vs Panasonic GX850 size comparison

Taking into consideration dimensions and weight, the portability grade of the E-M10 IV and GX850 is 81 and 90 respectively.

Olympus E-M10 IV vs Panasonic GX850 top view buttons comparison

Olympus E-M10 IV vs Panasonic GX850 Sensor Comparison

More often than not, it can be tough to see the gap between sensor sizing just by checking specifications. The visual underneath might provide you a clearer sense of the sensor sizes in the E-M10 IV and GX850.

Plainly, the two cameras provide the same sensor dimensions but not the same resolution. You can anticipate the Olympus E-M10 IV to give you greater detail utilizing its extra 4 Megapixels. Greater resolution will also enable you to crop images more aggressively. The more modern E-M10 IV will have an edge when it comes to sensor tech.

Olympus E-M10 IV vs Panasonic GX850 sensor size comparison

Olympus E-M10 IV vs Panasonic GX850 Screen and ViewFinder

Olympus E-M10 IV vs Panasonic GX850 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-M10 IV Portrait photography highlights
Panasonic GX850 Portrait photography highlights
77
focusing manually
good resolution (20MP)
good sensor size (Four Thirds)
supports face detection focus
delivers RAW formats
65
manual focus
good MP (16MP)
sensor size is nice (Four Thirds)
provides face detection focus
exports RAW formats
can't use external flash
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Street Comparison

Olympus E-M10 IV Street photography factors
Panasonic GX850 Street photography factors
84
screen tilts up and down
image stabilization (Sensor based 5-axis)
good sensor size (Four Thirds)
delivers RAW formats
boasts touch to focus
good ISO range (25,600)
80
screen tilts up and down
sensor size is nice (Four Thirds)
exports RAW formats
supports touch to focus
above average ISO range (25,600)
lack of image stabilization
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Sports Comparison

Olympus E-M10 IV Sports photography details
Panasonic GX850 Sports photography details
72
quiet mode (1/16,000s)
image stabilization (Sensor based 5-axis)
good resolution (20 megapixels)
good sensor size (Four Thirds)
supports tracking autofocus
does not have phase detect auto focus
52
quiet shooting (1/16,000 seconds)
good MP (16MP)
sensor size is nice (Four Thirds)
provides tracking autofocus
max shutter speed is low (1/500 seconds)
lack of image stabilization
bad battery power (210 CIPA)
has no phase detect auto focus
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Travel Comparison

Olympus E-M10 IV Travel photography info
Panasonic GX850 Travel photography info
84
supports bluetooth
boasts touch to focus
good resolution (20 megapixels)
flash built-in
selfie friendly screen
78
supports touch to focus
good MP (16 megapixels)
has built in flash
selfie friendly display
bad battery power (210 shots)
Photography Glossary

Landscape Comparison

Olympus E-M10 IV Landscape photography factors
Panasonic GX850 Landscape photography factors
82
focusing manually
switch lenses (Micro Four Thirds mount)
nice screen size (3 inch)
image stabilization (Sensor based 5-axis)
good resolution (20MP)
good sensor size (Four Thirds)
good ISO range (25,600)
delivers RAW formats
70
manual focus
switch lenses (Micro Four Thirds mount)
nice screen size (3")
good MP (16 megapixels)
sensor size is nice (Four Thirds)
does not have anti-alias filter
above average ISO range (25,600)
exports RAW formats
lack of image stabilization
bad battery power (210 shots)
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Vlogging Comparison

Vlogging with Olympus E-M10 IV
Vlogging with Panasonic GX850
78
selfie friendly screen
has touchscreen
image stabilization (Sensor based 5-axis)
supports face detection focus
high res video (3840 x 2160 pixels)
lack of external microphone jack
73
selfie friendly display
touch screen
provides face detection focus
high video quality (3840 x 2160 resolution)
lack of image stabilization
lack of external mic socket
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Olympus E-M10 IV vs Panasonic GX850 Specifications

Detailed spec comparison table for Olympus E-M10 IV and Panasonic GX850
 Olympus OM-D E-M10 IVPanasonic Lumix DMC-GX850
General Information
Company Olympus Panasonic
Model type Olympus OM-D E-M10 IV Panasonic Lumix DMC-GX850
Also called - Lumix DMC-GX800 / Lumix DMC-GF9
Category Entry-Level Mirrorless Entry-Level Mirrorless
Launched 2020-08-04 2017-01-04
Physical type SLR-style mirrorless Rangefinder-style mirrorless
Sensor Information
Chip TruePic VIII Venus Engine
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 16 megapixel
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 1:1, 4:3, 3:2 and 16:9
Full resolution 5184 x 3888 4592 x 3448
Max native ISO 25600 25600
Minimum native ISO 200 200
RAW data
Minimum boosted ISO 100 100
Autofocusing
Manual focusing
Touch focus
Continuous AF
AF single
Tracking AF
Selective AF
AF center weighted
AF multi area
AF live view
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 121 49
Lens
Lens mount type Micro Four Thirds Micro Four Thirds
Amount of lenses 107 107
Crop factor 2.1 2.1
Screen
Type of display Tilting Tilting
Display sizing 3" 3"
Resolution of display 1,040 thousand dots 1,040 thousand dots
Selfie friendly
Liveview
Touch function
Viewfinder Information
Viewfinder Electronic None
Viewfinder resolution 2,360 thousand dots -
Viewfinder coverage 100% -
Viewfinder magnification 0.62x -
Features
Lowest shutter speed 60 seconds 60 seconds
Highest shutter speed 1/4000 seconds 1/500 seconds
Highest quiet shutter speed 1/16000 seconds 1/16000 seconds
Continuous shooting rate 8.7fps 10.0fps
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Change WB
Image stabilization
Inbuilt flash
Flash distance 7.20 m (at ISO 200) 4.00 m (at ISO 100)
Flash options Redeye, fill-in, off, redeye slow-sync (1st-curtain), slow sync (1st-curtain), slow sync (2nd-curtain), manual Auto, auto w/redeye reduction, on, on w/redeye reduction, slow sync, slow sync w/redeye reduction
External flash
Auto exposure bracketing
White balance bracketing
Highest flash synchronize 1/250 seconds -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
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 @ 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
Max video resolution 3840x2160 3840x2160
Video file format MPEG-4, H.264 MPEG-4, AVCHD
Mic port
Headphone port
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 sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 383g (0.84 pounds) 269g (0.59 pounds)
Physical dimensions 122 x 84 x 49mm (4.8" x 3.3" x 1.9") 107 x 65 x 33mm (4.2" x 2.6" x 1.3")
DXO scores
DXO All around rating not tested 73
DXO Color Depth rating not tested 23.2
DXO Dynamic range rating not tested 13.3
DXO Low light rating not tested 586
Other
Battery life 360 photos 210 photos
Battery type Battery Pack Battery Pack
Battery ID BLS-50 -
Self timer Yes (2 or 12 sec, custom) Yes (2, 10 sec, 3 images/10 sec)
Time lapse recording
Storage type SD/SDHC/SDXC (UHS-II supported) microSD/SDHC/SDXC
Card slots Single Single
Price at launch $699 $548