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Olympus E-M5 III vs Sony RX100 IV

Portability
80 Imaging
62 Features
88 Overall
72
Olympus OM-D E-M5 III front
 
Sony Cyber-shot DSC-RX100 IV front
Portability
89 Imaging
52 Features
79 Overall
62

Olympus E-M5 III vs Sony RX100 IV Key Specs

Olympus E-M5 III
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Fully Articulated Screen
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Maximum Shutter
  • 4096 x 2160 video
  • Micro Four Thirds Mount
  • 414g - 125 x 85 x 50mm
  • Revealed October 2019
  • Replaced the Olympus E-M5 II
  • Renewed by OM System OM-5
Sony RX100 IV
(Full Review)
  • 20MP - 1" Sensor
  • 3" Tilting Screen
  • ISO 125 - 12800 (Bump to 25600)
  • Optical Image Stabilization
  • 3840 x 2160 video
  • 24-70mm (F1.8-2.8) lens
  • 298g - 102 x 58 x 41mm
  • Announced June 2015
  • Old Model is Sony RX100 III
  • Successor is Sony RX100 V
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Olympus E-M5 III vs Sony RX100 IV Overview

Below, we will be looking at the Olympus E-M5 III vs Sony RX100 IV, one is a Advanced Mirrorless and the latter is a Large Sensor Compact by competitors Olympus and Sony. The resolution of the E-M5 III (20MP) and the RX100 IV (20MP) is relatively well matched but the E-M5 III (Four Thirds) and RX100 IV (1") enjoy different sensor size.

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The E-M5 III was introduced 4 years after the RX100 IV which is quite a significant gap as far as tech is concerned. Each of the cameras come with different body type with the Olympus E-M5 III being a SLR-style mirrorless camera and the Sony RX100 IV being a Large Sensor Compact camera.

Before getting through a in-depth comparison, below is a quick summation of how the E-M5 III grades vs the RX100 IV when considering portability, imaging, features and an overall score.

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Reasons to pick Olympus E-M5 III over the Sony RX100 IV

		

		

			
 E-M5 III RX100 IV 
AnnouncedOctober 2019June 2015More modern by 53 months
Screen typeFully ArticulatedTiltingFully Articulating screen
Touch friendly screen  Quickly navigate
		

	

	
	

		

		
Reasons to pick Sony RX100 IV over the Olympus E-M5 III

		

		

			
 RX100 IV E-M5 III 
Screen resolution1229k1040kSharper screen (+189k dot)
		

	

	
	

		

		
Common features in the Olympus E-M5 III and Sony RX100 IV

		

		

			
 E-M5 III RX100 IV 
Manually focus  More exact focus
Screen dimension3"3"Identical screen size
Selfie screen  Both good for selfies
		

	

	

	
	
	
	

	

		

		
Olympus E-M5 III vs Sony RX100 IV Physical Comparison

		

		

			
When you are planning to carry around your camera regularly, you will have to consider its weight and dimensions. The Olympus E-M5 III has got outside dimensions of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") and a weight of 414 grams (0.91 lbs) and the Sony RX100 IV has dimensions of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") having a weight of 298 grams (0.66 lbs).
Examine the Olympus E-M5 III vs Sony RX100 IV in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses
Take into account, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are utilizing at that moment. The following is the front view measurements comparison of the E-M5 III against the RX100 IV.
Olympus E-M5 III vs Sony RX100 IV size comparison
Considering size and weight, the portability rating of the E-M5 III and RX100 IV is 80 and 89 respectively.
Olympus E-M5 III vs Sony RX100 IV top view buttons comparison		

	

	
	

		

		
Olympus E-M5 III vs Sony RX100 IV Sensor Comparison

		

		

			
Often, it is hard to picture the contrast between sensor sizes merely by reading through a spec sheet. The picture here might provide you a clearer sense of the sensor dimensions in the E-M5 III and RX100 IV.
Clearly, each of the cameras posses the exact same MP albeit different sensor sizes. The E-M5 III features the bigger sensor which is going to make obtaining shallower DOF easier. The more recent E-M5 III should have a benefit in sensor innovation.
	
			Olympus E-M5 III vs Sony RX100 IV sensor size comparison			
		

	

	
	

		

		
Olympus E-M5 III vs Sony RX100 IV Screen and ViewFinder

		

		

					

		Olympus E-M5 III vs Sony RX100 IV Screen and Viewfinder comparison	

	
			Photography Glossary	

	
	
	
	

	

		
Photography Type Scores

		

	

	
Portrait Comparison
 Olympus E-M5 III as a Portrait photography camera
 Sony RX100 IV as a Portrait photography camera
77
 you can focus manually
 MP count good (20 megapixels)
 good sensor size (Four Thirds)
 supports face detect focusing
 saves RAW formats
65
 you can focus manually
 high flash sync speed (1/2,000 seconds)
 decent sensor resolution (20 megapixels)
 good sensor size (1")
 comes with face detection focus
 saves RAW files
 cannot use external flash
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Street Comparison
Olympus E-M5 III Street photography factors
Sony RX100 IV Street photography factors
83
 fully articulated screen
 has image stabilization (Sensor based 5-axis)
 good sensor size (Four Thirds)
 saves RAW formats
 has focus by touch
 environment sealing
 good high ISO (25,600)
85
 screen tilts
 has image stabilization (Optical)
 good sensor size (1")
 saves RAW files
 lighter than others in class (298 grams)
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Sports Comparison
Olympus E-M5 III Sports photography advice
Sony RX100 IV Sports photography advice
76
 max shutter speed is good (1/8,000s)
 quiet shutter (1/32,000s)
 high fps (30.0 frames per second)
 has image stabilization (Sensor based 5-axis)
 MP count good (20 megapixels)
 good sensor size (Four Thirds)
 supports tracking focus
 environment sealing
 has phase detect AF
 bad battery (310 shots)
68
 silent shutter (1/32,000 seconds)
 high fps (16.0 frames/s)
 has image stabilization (Optical)
 decent sensor resolution (20MP)
 good sensor size (1")
 comes with tracking autofocus
 does not have phase detect auto focus
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Travel Comparison
Olympus E-M5 III Travel photography info
Sony RX100 IV Travel photography info
77
 environment sealing
 has bluetooth
 has focus by touch
 MP count good (20 megapixels)
 display is selfie friendly
 bad battery (310 CIPA)
86
 lighter than others in class (298g)
 decent sensor resolution (20MP)
 built-in flash
 selfie friendly display
 rather wide (24mm)
 fast maximum aperture (f1.8)
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Landscape Comparison
Landscape photography with Olympus E-M5 III
Landscape photography with Sony RX100 IV
77
 you can focus manually
 switch lenses (Micro Four Thirds mount)
 screen size is good (3")
 has image stabilization (Sensor based 5-axis)
 MP count good (20MP)
 good sensor size (Four Thirds)
 good high ISO (25,600)
 saves RAW formats
 environment sealing
 bad battery (310 per charge)
74
 you can focus manually
 rather wide (24mm)
 fast maximum aperture (f1.8)
 decent sized screen (3 inches)
 has image stabilization (Optical)
 decent sensor resolution (20MP)
 good sensor size (1")
 saves RAW files
 lens is fixed (fixed lens mount)
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Vlogging Comparison
Olympus E-M5 III Vlogging advice
Sony RX100 IV Vlogging advice
84
 display is selfie friendly
 screen is touchscreen
 has image stabilization (Sensor based 5-axis)
 supports face detect focusing
 high res video (4096 x 2160 resolution)
 has mic jack
81
 rather wide (24mm)
 fast maximum aperture (f1.8)
 selfie friendly display
 has image stabilization (Optical)
 comes with face detection focus
 high video quality (3840 x 2160 pxls)
 lighter than others in class (298g)
 no external mic socket
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Olympus E-M5 III vs Sony RX100 IV Specifications

		

		

					

		
		

			Detailed spec comparison table for Olympus E-M5 III and Sony RX100 IV
 Olympus OM-D E-M5 IIISony Cyber-shot DSC-RX100 IV
General Information
Brand Olympus Sony
Model Olympus OM-D E-M5 III Sony Cyber-shot DSC-RX100 IV
Category Advanced Mirrorless Large Sensor Compact
Revealed 2019-10-17 2015-06-10
Physical type SLR-style mirrorless Large Sensor Compact
Sensor Information
Powered by TruePic VIII Bionz X
Sensor type MOS BSI-CMOS
Sensor size Four Thirds 1"
Sensor dimensions 17.4 x 13mm 13.2 x 8.8mm
Sensor surface area 226.2mm² 116.2mm²
Sensor resolution 20MP 20MP
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 5472 x 3648
Maximum native ISO 25600 12800
Maximum boosted ISO - 25600
Minimum native ISO 200 125
RAW images    
Minimum boosted ISO 64 80
Autofocusing
Focus manually    
Autofocus touch    
Continuous autofocus    
Single autofocus    
Tracking autofocus    
Selective autofocus    
Autofocus center weighted    
Autofocus multi area    
Autofocus live view    
Face detection focus    
Contract detection focus    
Phase detection focus    
Number of focus points 121 25
Lens
Lens mounting type Micro Four Thirds fixed lens
Lens focal range - 24-70mm (2.9x)
Highest aperture - f/1.8-2.8
Macro focus distance - 5cm
Number of lenses 107 -
Focal length multiplier 2.1 2.7
Screen
Type of screen Fully Articulated Tilting
Screen diagonal 3" 3"
Screen resolution 1,040k dots 1,229k dots
Selfie friendly    
Liveview    
Touch display    
Viewfinder Information
Viewfinder type Electronic Electronic
Viewfinder resolution 2,360k dots 2,359k dots
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.68x 0.59x
Features
Slowest shutter speed 60 seconds 30 seconds
Maximum shutter speed 1/8000 seconds 1/2000 seconds
Maximum silent shutter speed 1/32000 seconds 1/32000 seconds
Continuous shooting rate 30.0fps 16.0fps
Shutter priority    
Aperture priority    
Manually set exposure    
Exposure compensation Yes Yes
Custom white balance    
Image stabilization    
Integrated flash    
Flash range no built-in flash -
Flash modes Auto, redeye, fill, off, redeye slow sync, slow sync, 2nd-curtain slow sync, manual -
Hot shoe    
AE bracketing    
White balance 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), 1280 x 720 (60p/30p/24p/120p), 1440 x 1080 (30 fps), 640 x 480 (30 fps)
Maximum video resolution 4096x2160 3840x2160
Video data format MPEG-4, H.264 MPEG-4, AVCHD, XAVC S
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
Environmental sealing    
Water proof    
Dust proof    
Shock proof    
Crush proof    
Freeze proof    
Weight 414 grams (0.91 pounds) 298 grams (0.66 pounds)
Dimensions 125 x 85 x 50mm (4.9" x 3.3" x 2.0") 102 x 58 x 41mm (4.0" x 2.3" x 1.6")
DXO scores
DXO All around score not tested 70
DXO Color Depth score not tested 22.9
DXO Dynamic range score not tested 12.6
DXO Low light score not tested 562
Other
Battery life 310 photos 280 photos
Battery type Battery Pack Battery Pack
Battery model BLN-1 NP-BX1
Self timer Yes (2 or 10 secs, custom) Yes
Time lapse feature   With downloadable app
Type of storage SD/SDHC/SDXC (UHS-II supported) SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo
Card slots One One
Price at launch $1,199 $898