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Olympus E-M5 III vs Sony RX10 IV

Portability
80
Imaging
62
Features
88
Overall
72
Olympus OM-D E-M5 III front
 
Sony Cyber-shot DSC-RX10 IV front
Portability
52
Imaging
53
Features
82
Overall
64

Olympus E-M5 III vs Sony RX10 IV Key Specs

Olympus E-M5 III
(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
  • Announced October 2019
  • Older Model is Olympus E-M5 II
  • Newer Model is OM System OM-5
Sony RX10 IV
(Full Review)
  • 20MP - 1" Sensor
  • 3" Tilting Screen
  • ISO 125 - 12800 (Raise to 25600)
  • Optical Image Stabilization
  • 3840 x 2160 video
  • 24-600mm (F2.4-4.0) lens
  • 1095g - 133 x 94 x 145mm
  • Announced September 2017
  • Replaced the Sony RX10 III
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Olympus E-M5 III vs Sony RX10 IV Overview

The following is a complete comparison of the Olympus E-M5 III and Sony RX10 IV, one is a Advanced Mirrorless and the latter is a Large Sensor Superzoom by companies Olympus and Sony. The image resolution of the E-M5 III (20MP) and the RX10 IV (20MP) is pretty well matched but the E-M5 III (Four Thirds) and RX10 IV (1") offer different sensor measurements.

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The E-M5 III was revealed 2 years after the RX10 IV which is quite a significant gap as far as tech is concerned. Both of the cameras feature different body design with the Olympus E-M5 III being a SLR-style mirrorless camera and the Sony RX10 IV being a SLR-like (bridge) camera.

Before going straight to a complete comparison, here is a simple summary of how the E-M5 III matches up against the RX10 IV for portability, imaging, features and an overall mark.

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Reasons to pick Olympus E-M5 III over the Sony RX10 IV

 E-M5 III RX10 IV 
AnnouncedOctober 2019September 2017Newer by 26 months
Screen typeFully ArticulatedTiltingFully Articulating screen
Selfie screen Take selfies

Reasons to pick Sony RX10 IV over the Olympus E-M5 III

 RX10 IV E-M5 III 
Screen resolution1440k1040kClearer screen (+400k dot)

Common features in the Olympus E-M5 III and Sony RX10 IV

 E-M5 III RX10 IV 
Manually focus Very exact focus
Screen size3"3"Same screen measurements
Touch friendly screen Quickly navigate

Olympus E-M5 III vs Sony RX10 IV Physical Comparison

When you are intending to travel with your camera frequently, you will want to consider its weight and size. The Olympus E-M5 III provides outside measurements of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") with a weight of 414 grams (0.91 lbs) while the Sony RX10 IV has specifications of 133mm x 94mm x 145mm (5.2" x 3.7" x 5.7") with a weight of 1095 grams (2.41 lbs).

Look at the Olympus E-M5 III and Sony RX10 IV in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an Interchangeable Lens Camera will vary depending on the lens you are utilizing at that moment. Following is a front view dimensions comparison of the E-M5 III versus the RX10 IV.

Olympus E-M5 III vs Sony RX10 IV size comparison

Taking into consideration size and weight, the portability score of the E-M5 III and RX10 IV is 80 and 52 respectively.

Olympus E-M5 III vs Sony RX10 IV top view buttons comparison

Olympus E-M5 III vs Sony RX10 IV Sensor Comparison

Oftentimes, it's difficult to imagine the difference between sensor dimensions only by reading through specs. The image here will help offer you a much better sense of the sensor sizing in the E-M5 III and RX10 IV.

All in all, each of these cameras feature the identical MP albeit different sensor dimensions. The E-M5 III includes the bigger sensor which will make obtaining shallow DOF less difficult. The younger E-M5 III should have an advantage when it comes to sensor innovation.

Olympus E-M5 III vs Sony RX10 IV sensor size comparison

Olympus E-M5 III vs Sony RX10 IV Screen and ViewFinder

Olympus E-M5 III vs Sony RX10 IV Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-M5 III Portrait photography features
Sony RX10 IV Portrait photography features
77
you can focus manually
sensor resolution is decent (20 megapixels)
nice sensor size (Four Thirds)
supports face detect autofocus
saves RAW formats
71
you can focus manually
flash sync speed is above average (1/2,000 seconds)
good resolution (20 megapixels)
nice sensor size (1")
includes face detection autofocus
saves RAW formats
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Street Comparison

Olympus E-M5 III Street photography highlights
Sony RX10 IV Street photography highlights
83
screen articulates fully
image stabilization (Sensor based 5-axis)
nice sensor size (Four Thirds)
saves RAW formats
boasts focus by touch
environment proof
great ISO range (25,600)
64
screen tilts up and down
image stabilization (Optical)
nice sensor size (1")
saves RAW formats
boasts touch to focus
environment proof
more heavy than others in class (1,095g)
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Sports Comparison

Olympus E-M5 III Sports photography info
Sony RX10 IV Sports photography info
76
maximum shutter speed is high (1/8,000s)
silent mode (1/32,000s)
high max frames per second (30.0 fps)
image stabilization (Sensor based 5-axis)
sensor resolution is decent (20MP)
nice sensor size (Four Thirds)
supports tracking focus
environment proof
sensor has phase detect autofocus
not so great battery (310 per charge)
76
long zoom range (24-600mm 25.0 x zoom)
quiet shutter (1/32,000 seconds)
high frames per second (24.0 frames/s)
image stabilization (Optical)
good resolution (20MP)
nice sensor size (1")
includes tracking autofocus
environment proof
sensor has phase detect autofocus
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Travel Comparison

Olympus E-M5 III Travel photography information
Sony RX10 IV Travel photography information
77
environment proof
has bluetooth
boasts focus by touch
sensor resolution is decent (20 megapixels)
selfie friendly display
not so great battery (310 CIPA)
56
environment proof
connects via bluetooth
boasts touch to focus
good resolution (20 megapixels)
built-in flash
decently wide (24mm)
very long reach (600mm)
no Timelapse mode
more heavy than others in class (1,095 grams)
doesn't offer selfie friendly display
somewhat slow max aperture (f2.4)
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Landscape Comparison

Olympus E-M5 III Landscape photography factors
Sony RX10 IV Landscape photography factors
77
you can focus manually
change lenses (Micro Four Thirds mount)
decent sized screen (3 inch)
image stabilization (Sensor based 5-axis)
sensor resolution is decent (20 megapixels)
nice sensor size (Four Thirds)
great ISO range (25,600)
saves RAW formats
environment proof
not so great battery (310 shots)
62
you can focus manually
decently wide (24mm)
nice screen size (3")
image stabilization (Optical)
good resolution (20MP)
nice sensor size (1")
saves RAW formats
environment proof
lens is fixed (fixed lens mount)
somewhat slow max aperture (f2.4)
no Timelapse mode
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Vlogging Comparison

Vlogging with Olympus E-M5 III
Vlogging with Sony RX10 IV
84
selfie friendly display
touchscreen
image stabilization (Sensor based 5-axis)
supports face detect autofocus
high quality video (4096 x 2160 pxls)
includes microphone support
29
decently wide (24mm)
touchscreen functionality
image stabilization (Optical)
includes face detection autofocus
video res high (3840 x 2160 pxls)
includes external microphone socket
somewhat slow max aperture (f2.4)
doesn't offer selfie friendly display
more heavy than others in class (1,095 grams)
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Olympus E-M5 III vs Sony RX10 IV Specifications

Detailed spec comparison table for Olympus E-M5 III and Sony RX10 IV
 Olympus OM-D E-M5 IIISony Cyber-shot DSC-RX10 IV
General Information
Manufacturer Olympus Sony
Model type Olympus OM-D E-M5 III Sony Cyber-shot DSC-RX10 IV
Type Advanced Mirrorless Large Sensor Superzoom
Announced 2019-10-17 2017-09-12
Physical type SLR-style mirrorless SLR-like (bridge)
Sensor Information
Powered by TruePic VIII Bionz X
Sensor type MOS BSI-CMOS
Sensor size Four Thirds 1"
Sensor measurements 17.4 x 13mm 13.2 x 8.8mm
Sensor area 226.2mm² 116.2mm²
Sensor resolution 20MP 20MP
Anti alias 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 5472 x 3648
Maximum native ISO 25600 12800
Maximum boosted ISO - 25600
Lowest native ISO 200 125
RAW images
Lowest boosted ISO 64 64
Autofocusing
Focus manually
Touch to focus
Continuous autofocus
Single autofocus
Tracking autofocus
Autofocus selectice
Autofocus center weighted
Autofocus multi area
Live view autofocus
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Total focus points 121 315
Lens
Lens support Micro Four Thirds fixed lens
Lens zoom range - 24-600mm (25.0x)
Max aperture - f/2.4-4.0
Macro focusing distance - 3cm
Number of lenses 107 -
Focal length multiplier 2.1 2.7
Screen
Display type Fully Articulated Tilting
Display sizing 3 inch 3 inch
Display resolution 1,040 thousand dots 1,440 thousand dots
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder type Electronic Electronic
Viewfinder resolution 2,360 thousand dots 2,359 thousand dots
Viewfinder coverage 100% 100%
Viewfinder magnification 0.68x 0.7x
Features
Slowest shutter speed 60 seconds 30 seconds
Maximum shutter speed 1/8000 seconds 1/2000 seconds
Maximum quiet shutter speed 1/32000 seconds 1/32000 seconds
Continuous shooting rate 30.0fps 24.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change white balance
Image stabilization
Inbuilt flash
Flash distance no built-in flash 10.80 m (at Auto ISO)
Flash modes Auto, redeye, fill, off, redeye slow sync, slow sync, 2nd-curtain slow sync, manual Auto, fill-flash, slow sync, rear sync, off
External flash
Auto exposure bracketing
WB bracketing
Maximum flash synchronize 1/250 seconds 1/2000 seconds
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 4096 x 2160 @ 24p / 237 Mbps, MOV, H.264, Linear PCM 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p, 60i, 24p) ,1440 x 1080 (30p), 640 x 480 (30p)
Maximum video resolution 4096x2160 3840x2160
Video file format MPEG-4, H.264 MPEG-4, AVCHD, XAVC S
Microphone 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
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 414 grams (0.91 lbs) 1095 grams (2.41 lbs)
Physical dimensions 125 x 85 x 50mm (4.9" x 3.3" x 2.0") 133 x 94 x 145mm (5.2" x 3.7" x 5.7")
DXO scores
DXO All around rating not tested not tested
DXO Color Depth rating not tested not tested
DXO Dynamic range rating not tested not tested
DXO Low light rating not tested not tested
Other
Battery life 310 photos 400 photos
Battery type Battery Pack Battery Pack
Battery ID BLN-1 NP-FW50
Self timer Yes (2 or 10 secs, custom) Yes (2 or 10 sec, continuous)
Time lapse feature
Type of storage SD/SDHC/SDXC (UHS-II supported) SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Card slots One One
Retail price $1,199 $1,698