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Olympus E-M1X vs Sony RX100 IV

Portability
54
Imaging
61
Features
93
Overall
73
Olympus OM-D E-M1X front
 
Sony Cyber-shot DSC-RX100 IV front
Portability
89
Imaging
52
Features
79
Overall
62

Olympus E-M1X vs Sony RX100 IV Key Specs

Olympus E-M1X
(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
  • 997g - 144 x 147 x 75mm
  • Released January 2019
  • Old Model is Olympus E-M1 II
Sony RX100 IV
(Full Review)
  • 20MP - 1" Sensor
  • 3" Tilting Display
  • ISO 125 - 12800 (Boost to 25600)
  • Optical Image Stabilization
  • 3840 x 2160 video
  • 24-70mm (F1.8-2.8) lens
  • 298g - 102 x 58 x 41mm
  • Launched June 2015
  • Older Model is Sony RX100 III
  • New Model is Sony RX100 V
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Olympus E-M1X vs Sony RX100 IV Overview

In this write-up, we are evaluating the Olympus E-M1X versus Sony RX100 IV, one being a Pro Mirrorless and the other is a Large Sensor Compact by brands Olympus and Sony. The resolution of the E-M1X (20MP) and the RX100 IV (20MP) is fairly well matched but the E-M1X (Four Thirds) and RX100 IV (1") use totally different sensor sizes.

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The E-M1X was brought out 3 years later than the RX100 IV and that is quite a big gap as far as technology is concerned. Both of these cameras offer different body type with the Olympus E-M1X being a SLR-style mirrorless camera and the Sony RX100 IV being a Large Sensor Compact camera.

Before we go through a more detailed comparison, below is a brief introduction of how the E-M1X scores versus the RX100 IV when considering portability, imaging, features and an overall rating.

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Reasons to pick Olympus E-M1X over the Sony RX100 IV

 E-M1X RX100 IV 
LaunchedJanuary 2019June 2015Fresher by 45 months
Display typeFully ArticulatedTiltingFully Articulating display
Touch display Easily navigate

Reasons to pick Sony RX100 IV over the Olympus E-M1X

 RX100 IV E-M1X 
Display resolution1229k1037kCrisper display (+192k dot)

Common features in the Olympus E-M1X and Sony RX100 IV

 E-M1X RX100 IV 
Manual focus Very precise focusing
Display sizing3"3"Equivalent display dimensions
Selfie screen Both are selfie friendly

Olympus E-M1X vs Sony RX100 IV Physical Comparison

For anybody who is aiming to carry your camera often, you need to factor in its weight and dimensions. The Olympus E-M1X enjoys physical dimensions of 144mm x 147mm x 75mm (5.7" x 5.8" x 3.0") with a weight of 997 grams (2.20 lbs) and the Sony RX100 IV has dimensions of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") with a weight of 298 grams (0.66 lbs).

Examine the Olympus E-M1X versus Sony RX100 IV in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an Interchangeable Lens Camera will differ depending on the lens you use at that moment. Underneath is the front view scale comparison of the E-M1X and the RX100 IV.

Olympus E-M1X vs Sony RX100 IV size comparison

Taking into consideration dimensions and weight, the portability grade of the E-M1X and RX100 IV is 54 and 89 respectively.

Olympus E-M1X vs Sony RX100 IV top view buttons comparison

Olympus E-M1X vs Sony RX100 IV Sensor Comparison

Normally, it is hard to see the difference between sensor sizing merely by reading through specifications. The graphic here might give you a greater sense of the sensor dimensions in the E-M1X and RX100 IV.

Plainly, both of the cameras enjoy the same exact megapixels but not the same sensor sizing. The E-M1X has got the larger sensor which should make getting shallow DOF easier. The newer E-M1X will have a benefit with regard to sensor tech.

Olympus E-M1X vs Sony RX100 IV sensor size comparison

Olympus E-M1X vs Sony RX100 IV Screen and ViewFinder

Olympus E-M1X vs Sony RX100 IV Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-M1X Portrait photography advice
Sony RX100 IV Portrait photography advice
76
you can focus manually
MP count good (20 megapixels)
good sensor size (Four Thirds)
offers face detection focusing
supports RAW files
65
manual focus
above average flash sync speed (1/2,000 seconds)
sensor resolution is decent (20 megapixels)
sensor size is good (1")
provides face detection autofocus
delivers RAW files
can't use external flash
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Street Comparison

Olympus E-M1X Street photography features
Sony RX100 IV Street photography features
67
screen can move to multiple angles
image stabilization (Sensor based 5-axis)
good sensor size (Four Thirds)
supports RAW files
boasts touch focus
environment proofing
great high ISO (25,600)
heavier than others in class (997 grams)
85
screen tilts
has image stabilization (Optical)
sensor size is good (1")
delivers RAW files
lighter than average (298g)
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Sports Comparison

Olympus E-M1X as a Sports photography camera
Sony RX100 IV as a Sports photography camera
80
maximum shutter speed is high (1/8,000s)
quiet shooting (1/32,000s)
fast shooting (60.0 frames per second)
image stabilization (Sensor based 5-axis)
MP count good (20 megapixels)
good sensor size (Four Thirds)
offers tracking autofocus
environment proofing
better than average battery pack (870 per charge)
sensor has phase detect AF
68
silent shooting (1/32,000s)
high max fps (16.0 frames per second)
has image stabilization (Optical)
sensor resolution is decent (20 megapixels)
sensor size is good (1")
provides tracking autofocus
doesn't have phase detect autofocus
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Travel Comparison

Olympus E-M1X Travel photography info
Sony RX100 IV Travel photography info
68
better than average battery pack (870 per charge)
environment proofing
connects via bluetooth
boasts touch focus
MP count good (20 megapixels)
screen is selfie friendly
heavier than others in class (997 grams)
86
lighter than average (298g)
sensor resolution is decent (20 megapixels)
built-in flash
selfie friendly display
reasonably wide (24mm)
fast maximum aperture (f1.8)
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Landscape Comparison

Olympus E-M1X as a Landscape photography camera
Sony RX100 IV as a Landscape photography camera
79
you can focus manually
switch lenses (Micro Four Thirds mount)
pretty good screen size (3 inch)
image stabilization (Sensor based 5-axis)
MP count good (20 megapixels)
good sensor size (Four Thirds)
great high ISO (25,600)
supports RAW files
environment proofing
better than average battery pack (870 shots)
2 card slots
74
manual focus
reasonably wide (24mm)
fast maximum aperture (f1.8)
decent sized screen (3 inches)
has image stabilization (Optical)
sensor resolution is decent (20 megapixels)
sensor size is good (1")
delivers RAW files
fixed lens (fixed lens mount)
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Vlogging Comparison

Olympus E-M1X Vlogging highlights
Sony RX100 IV Vlogging highlights
68
screen is selfie friendly
touchscreen functionality
image stabilization (Sensor based 5-axis)
offers face detection focusing
video res high (4096 x 2160 pixels)
includes external mic support
heavier than others in class (997 grams)
81
reasonably wide (24mm)
fast maximum aperture (f1.8)
selfie friendly display
has image stabilization (Optical)
provides face detection autofocus
high quality video (3840 x 2160 pixels)
lighter than average (298 grams)
no external microphone socket
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Olympus E-M1X vs Sony RX100 IV Specifications

Detailed spec comparison table for Olympus E-M1X and Sony RX100 IV
 Olympus OM-D E-M1XSony Cyber-shot DSC-RX100 IV
General Information
Manufacturer Olympus Sony
Model Olympus OM-D E-M1X Sony Cyber-shot DSC-RX100 IV
Category Pro Mirrorless Large Sensor Compact
Released 2019-01-24 2015-06-10
Physical type SLR-style mirrorless Large Sensor Compact
Sensor Information
Powered by Dual TruePic VIII Bionz X
Sensor type CMOS 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 20 megapixel 20 megapixel
Anti aliasing filter
Aspect ratio 4:3 1:1, 4:3, 3:2 and 16:9
Peak resolution 5184 x 3888 5472 x 3648
Highest native ISO 25600 12800
Highest enhanced ISO - 25600
Min native ISO 200 125
RAW files
Min enhanced ISO 64 80
Autofocusing
Manual focus
AF touch
Continuous AF
AF single
AF tracking
Selective AF
Center weighted AF
AF multi area
AF live view
Face detection AF
Contract detection AF
Phase detection AF
Number of focus points 121 25
Lens
Lens mounting type Micro Four Thirds fixed lens
Lens focal range - 24-70mm (2.9x)
Max aperture - f/1.8-2.8
Macro focus range - 5cm
Number of lenses 107 -
Focal length multiplier 2.1 2.7
Screen
Type of screen Fully Articulated Tilting
Screen diagonal 3 inches 3 inches
Resolution of screen 1,037k dots 1,229k dots
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder Electronic Electronic
Viewfinder resolution 2,360k dots 2,359k dots
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.74x 0.59x
Features
Minimum shutter speed 60 secs 30 secs
Fastest shutter speed 1/8000 secs 1/2000 secs
Fastest silent shutter speed 1/32000 secs 1/32000 secs
Continuous shutter rate 60.0fps 16.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set WB
Image stabilization
Built-in flash
Flash range no built-in flash -
Flash modes 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
White balance bracketing
Fastest flash synchronize - 1/2000 secs
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported 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)
Highest 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 Yes (USB-PD allows charging by laptop or external power bank) USB 2.0 (480 Mbit/sec)
GPS Built-in None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 997g (2.20 lbs) 298g (0.66 lbs)
Dimensions 144 x 147 x 75mm (5.7" x 5.8" x 3.0") 102 x 58 x 41mm (4.0" x 2.3" x 1.6")
DXO scores
DXO Overall 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 870 photographs 280 photographs
Form of battery Built-in Battery Pack
Battery model - NP-BX1
Self timer Yes (2 or 12 secs, custom) Yes
Time lapse feature With downloadable app
Storage type - SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo
Card slots 2 One
Price at release $2,999 $898