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Casio EX-H20G vs Olympus E-M1 III

Portability
91
Imaging
36
Features
32
Overall
34
Casio Exilim EX-H20G front
 
Olympus OM-D E-M1 Mark III front
Portability
67
Imaging
61
Features
96
Overall
75

Casio EX-H20G vs Olympus E-M1 III Key Specs

Casio EX-H20G
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 64 - 3200
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 24-240mm (F3.2-5.7) lens
  • 216g - 103 x 68 x 29mm
  • Revealed September 2010
Olympus E-M1 III
(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 Maximum Shutter
  • 4096 x 2160 video
  • Micro Four Thirds Mount
  • 580g - 134 x 91 x 69mm
  • Released February 2020
  • Previous Model is Olympus E-M1 II
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Casio EX-H20G vs Olympus E-M1 III Overview

Its time to examine more in depth at the Casio EX-H20G vs Olympus E-M1 III, former is a Small Sensor Compact while the latter is a Pro Mirrorless by rivals Casio and Olympus. There exists a substantial gap among the image resolutions of the EX-H20G (14MP) and E-M1 III (20MP) and the EX-H20G (1/2.3") and E-M1 III (Four Thirds) come with totally different sensor sizes.

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The EX-H20G was announced 10 years before the E-M1 III which is a fairly big difference as far as camera technology is concerned. The two cameras come with different body type with the Casio EX-H20G being a Compact camera and the Olympus E-M1 III being a SLR-style mirrorless camera.

Before diving in to a complete comparison, below is a short synopsis of how the EX-H20G matches up against the E-M1 III when considering portability, imaging, features and an overall mark.

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Reasons to pick Casio EX-H20G over the Olympus E-M1 III

 EX-H20G E-M1 III 

Reasons to pick Olympus E-M1 III over the Casio EX-H20G

 E-M1 III EX-H20G 
ReleasedFebruary 2020September 2010Newer by 114 months
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen resolution1037k461kClearer screen (+576k dot)
Selfie screen Easy selfies
Touch friendly screen Quickly navigate

Common features in the Casio EX-H20G and Olympus E-M1 III

 EX-H20G E-M1 III 
Manual focus Very precise focus
Screen dimension3"3"Identical screen dimensions

Casio EX-H20G vs Olympus E-M1 III Physical Comparison

For anyone who is intending to travel with your camera, you'll need to think about its weight and dimensions. The Casio EX-H20G has got outside dimensions of 103mm x 68mm x 29mm (4.1" x 2.7" x 1.1") having a weight of 216 grams (0.48 lbs) while the Olympus E-M1 III has dimensions of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") and a weight of 580 grams (1.28 lbs).

Contrast the Casio EX-H20G vs Olympus E-M1 III in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an ILC will differ depending on the lens you select at that moment. The following is the front view overall size comparison of the EX-H20G against the E-M1 III.

Casio EX-H20G vs Olympus E-M1 III size comparison

Taking into consideration dimensions and weight, the portability grade of the EX-H20G and E-M1 III is 91 and 67 respectively.

Casio EX-H20G vs Olympus E-M1 III top view buttons comparison

Casio EX-H20G vs Olympus E-M1 III Sensor Comparison

More often than not, it is very tough to envision the gap in sensor dimensions simply by viewing specs. The image here might give you a more clear sense of the sensor dimensions in the EX-H20G and E-M1 III.

All in all, each of the cameras posses different megapixels and different sensor dimensions. The EX-H20G using its smaller sensor will make getting shallow DOF more challenging and the Olympus E-M1 III will render greater detail with its extra 6MP. Higher resolution will make it easier to crop shots somewhat more aggressively. The more aged EX-H20G will be behind with regard to sensor technology.

Casio EX-H20G vs Olympus E-M1 III sensor size comparison

Casio EX-H20G vs Olympus E-M1 III Screen and ViewFinder

Casio EX-H20G vs Olympus E-M1 III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Casio EX-H20G as a Portrait photography camera
Olympus E-M1 III as a Portrait photography camera
34
manual focus
decent sensor resolution (14 megapixels)
lack of manual exposure
cannot use external flash
sensor is small (1/2.3")
doesn't have RAW format
76
you can focus manually
decent MP (20MP)
nice sensor size (Four Thirds)
supports face detect focus
exports RAW files
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Street Comparison

Street photography with Casio EX-H20G
Street photography with Olympus E-M1 III
53
built in image stabilization (Sensor-shift)
screen is fixed
sensor is small (1/2.3")
doesn't have RAW format
more heavy than others (216g)
78
screen articulates fully
image stabilization (Sensor based 5-axis)
nice sensor size (Four Thirds)
exports RAW files
features focus via touch
environment sealing
very good ISO range (25,600)
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Sports Comparison

Casio EX-H20G as a Sports photography camera
Olympus E-M1 III as a Sports photography camera
38
built in image stabilization (Sensor-shift)
decent sensor resolution (14MP)
no shutter priority
sensor is small (1/2.3")
doesn't have phase detect auto focus
80
maximum shutter speed is high (1/8,000 seconds)
silent shooting (1/32,000 seconds)
fast continuous shooting (60.0 frames per second)
image stabilization (Sensor based 5-axis)
decent MP (20MP)
nice sensor size (Four Thirds)
supports tracking focus
environment sealing
supports phase detect auto focus
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Travel Comparison

Casio EX-H20G Travel photography advice
Olympus E-M1 III Travel photography advice
60
decent sensor resolution (14MP)
built-in flash
reasonably wide (24mm)
doesn't have Timelapse mode
more heavy than others (216 grams)
screen isn't selfie friendly
sluggish max aperture (f3.2)
79
environment sealing
has bluetooth
features focus via touch
decent MP (20 megapixels)
selfie friendly screen
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Landscape Comparison

Casio EX-H20G Landscape photography features
Olympus E-M1 III Landscape photography features
46
manual focus
reasonably wide (24mm)
screen size is decent (3 inches)
built in image stabilization (Sensor-shift)
decent sensor resolution (14 megapixels)
cannot swap lenses (fixed lens mount)
sluggish max aperture (f3.2)
lack of manual exposure
sensor is small (1/2.3")
doesn't have RAW format
doesn't have Timelapse mode
81
you can focus manually
swap lenses (Micro Four Thirds mount)
decent sized screen (3 inches)
image stabilization (Sensor based 5-axis)
decent MP (20 megapixels)
nice sensor size (Four Thirds)
doesnt have anti-alias filter
very good ISO range (25,600)
exports RAW files
environment sealing
has double storage slots
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Vlogging Comparison

Casio EX-H20G Vlogging details
Olympus E-M1 III Vlogging details
27
reasonably wide (24mm)
built in image stabilization (Sensor-shift)
sluggish max aperture (f3.2)
screen isn't selfie friendly
low video resolution (1280 x 720 pixels)
doesn't have microphone support
more heavy than others (216 grams)
79
selfie friendly screen
touch screen
image stabilization (Sensor based 5-axis)
supports face detect focus
high quality video (4096 x 2160 resolution)
comes with microphone port
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Casio EX-H20G vs Olympus E-M1 III Specifications

Detailed spec comparison table for Casio EX-H20G and Olympus E-M1 III
 Casio Exilim EX-H20GOlympus OM-D E-M1 Mark III
General Information
Brand Name Casio Olympus
Model Casio Exilim EX-H20G Olympus OM-D E-M1 Mark III
Type Small Sensor Compact Pro Mirrorless
Revealed 2010-09-20 2020-02-11
Body design Compact SLR-style mirrorless
Sensor Information
Processor Exilim Engine HS TruePic IX
Sensor type CCD CMOS
Sensor size 1/2.3" Four Thirds
Sensor measurements 6.17 x 4.55mm 17.4 x 13mm
Sensor surface area 28.1mm² 226.2mm²
Sensor resolution 14MP 20MP
Anti aliasing filter
Aspect ratio 4:3, 3:2 and 16:9 4:3
Full resolution 4320 x 3240 5184 x 3888
Max native ISO 3200 25600
Min native ISO 64 200
RAW images
Min boosted ISO - 64
Autofocusing
Focus manually
Autofocus touch
Continuous autofocus
Single autofocus
Autofocus tracking
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detection focus
Contract detection focus
Phase detection focus
Number of focus points - 121
Cross focus points - 121
Lens
Lens mounting type fixed lens Micro Four Thirds
Lens focal range 24-240mm (10.0x) -
Max aperture f/3.2-5.7 -
Macro focus distance 7cm -
Available lenses - 107
Focal length multiplier 5.8 2.1
Screen
Range of screen Fixed Type Fully Articulated
Screen diagonal 3" 3"
Screen resolution 461k dot 1,037k dot
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder type None Electronic
Viewfinder resolution - 2,360k dot
Viewfinder coverage - 100 percent
Viewfinder magnification - 0.74x
Features
Lowest shutter speed 4 seconds 60 seconds
Highest shutter speed 1/2000 seconds 1/8000 seconds
Highest silent shutter speed - 1/32000 seconds
Continuous shooting speed - 60.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation - Yes
Change white balance
Image stabilization
Built-in flash
Flash range - no built-in flash
Flash modes Auto, flash off, flash on, red eye reduction Redeye, Fill-in, Flash Off, Red-eye Slow sync.(1st curtain), Slow sync.(1st curtain), Slow sync.(2nd curtain), Manual
Hot shoe
Auto exposure bracketing
WB bracketing
Highest flash sync - 1/250 seconds
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1280 x 720 (30 fps), 640 x 480 (30 fps) 4096 x 2160 @ 24p / 237 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 30p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 25p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 23.98p / 102 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 60p, MOV, H.264, Linear PCM1920 x 1080 @ 50p, MOV, H.264, Linear PCM1920 x 1080 @ 30p, MOV, H.264, Linear PCM1920 x 1080 @ 25p, MOV, H.264, Linear PCM1920 x 1080 @ 23.98p, MOV, H.264, Linear PCM
Max video resolution 1280x720 4096x2160
Video data format H.264 MPEG-4, H.264
Microphone jack
Headphone jack
Connectivity
Wireless Eye-Fi Connected Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.1 Gen 1 (5 GBit/sec)
GPS BuiltIn None
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 216g (0.48 lb) 580g (1.28 lb)
Dimensions 103 x 68 x 29mm (4.1" x 2.7" x 1.1") 134 x 91 x 69mm (5.3" x 3.6" x 2.7")
DXO scores
DXO All around 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 - 420 photos
Battery form - Battery Pack
Battery model NP-90 BLH-1
Self timer Yes (2 or 10 sec, Triple) Yes (2 or 12 secs, custom)
Time lapse feature
Storage media SD/SDHC/SDXC Dual SD/SDHC/SDXC slots (UHS-II on first slot)
Storage slots One 2
Price at launch $300 $1,800