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Olympus E-M10 II vs Sony RX100 IV

Portability
82
Imaging
54
Features
77
Overall
63
Olympus OM-D E-M10 II front
 
Sony Cyber-shot DSC-RX100 IV front
Portability
89
Imaging
52
Features
79
Overall
62

Olympus E-M10 II vs Sony RX100 IV Key Specs

Olympus E-M10 II
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Tilting Display
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 390g - 120 x 83 x 47mm
  • Announced August 2015
  • Earlier Model is Olympus E-M10
  • Newer Model is Olympus E-M10 III
Sony RX100 IV
(Full Review)
  • 20MP - 1" Sensor
  • 3" Tilting Display
  • ISO 125 - 12800 (Expand to 25600)
  • Optical Image Stabilization
  • 3840 x 2160 video
  • 24-70mm (F1.8-2.8) lens
  • 298g - 102 x 58 x 41mm
  • Introduced June 2015
  • Succeeded the Sony RX100 III
  • Replacement is Sony RX100 V
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Olympus E-M10 II vs Sony RX100 IV Overview

Let's look a little more closely at the Olympus E-M10 II and Sony RX100 IV, former being a Entry-Level Mirrorless while the other is a Large Sensor Compact by rivals Olympus and Sony. The sensor resolution of the E-M10 II (16MP) and the RX100 IV (20MP) is very well matched but the E-M10 II (Four Thirds) and RX100 IV (1") boast totally different sensor dimensions.

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The E-M10 II was introduced 3 months later than the RX100 IV so they are both of a similar age. Each of the cameras have different body design with the Olympus E-M10 II being a SLR-style mirrorless camera and the Sony RX100 IV being a Large Sensor Compact camera.

Before getting right into a comprehensive comparison, here is a brief summary of how the E-M10 II matches up versus the RX100 IV when considering portability, imaging, features and an overall rating.

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Reasons to pick Olympus E-M10 II over the Sony RX100 IV

 E-M10 II RX100 IV 
Touch display Easily navigate

Reasons to pick Sony RX100 IV over the Olympus E-M10 II

 RX100 IV E-M10 II 
Display resolution1229k1040kCrisper display (+189k dot)
Selfie screen Take selfies

Common features in the Olympus E-M10 II and Sony RX100 IV

 E-M10 II RX100 IV 
IntroducedAugust 2015June 2015Similar age
Manually focus Very precise focus
Display typeTiltingTiltingTilting display
Display dimensions3"3"Equal display sizing

Olympus E-M10 II vs Sony RX100 IV Physical Comparison

If you're going to carry your camera often, you need to consider its weight and proportions. The Olympus E-M10 II provides outer dimensions of 120mm x 83mm x 47mm (4.7" x 3.3" x 1.9") and a weight of 390 grams (0.86 lbs) whilst the Sony RX100 IV has measurements of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") along with a weight of 298 grams (0.66 lbs).

Compare the Olympus E-M10 II and Sony RX100 IV in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an ILC will change depending on the lens you use at that moment. Underneath is a front view proportions comparison of the E-M10 II versus the RX100 IV.

Olympus E-M10 II vs Sony RX100 IV size comparison

Factoring in dimensions and weight, the portability rating of the E-M10 II and RX100 IV is 82 and 89 respectively.

Olympus E-M10 II vs Sony RX100 IV top view buttons comparison

Olympus E-M10 II vs Sony RX100 IV Sensor Comparison

Quite often, it is very difficult to see the gap between sensor sizing purely by reading through technical specs. The visual here will offer you a much better sense of the sensor sizes in the E-M10 II and RX100 IV.

As you have seen, each of the cameras provide different resolutions and different sensor sizing. The E-M10 II having a larger sensor will make getting bokeh simpler and the Sony RX100 IV will give greater detail using its extra 4 Megapixels. Greater resolution will help you crop photos more aggressively.

Olympus E-M10 II vs Sony RX100 IV sensor size comparison

Olympus E-M10 II vs Sony RX100 IV Screen and ViewFinder

Olympus E-M10 II vs Sony RX100 IV Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-M10 II Portrait photography information
Sony RX100 IV Portrait photography information
72
focusing manually
good resolution (16MP)
good sensor size (Four Thirds)
has face detect autofocus
saves RAW formats
65
has manual focus
high flash sync speed (1/2,000s)
good MP (20MP)
sensor size is decent (1")
comes with face detection autofocus
saves RAW formats
no external flash support
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Street Comparison

Olympus E-M10 II Street photography factors
Sony RX100 IV Street photography factors
83
tilting screen
has image stabilization (Sensor based 5-axis)
good sensor size (Four Thirds)
saves RAW formats
supports focus by touch
very good high ISO (25,600)
85
has a tilting screen
built in image stabilization (Optical)
sensor size is decent (1")
saves RAW formats
lighter than competition in class (298 grams)
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Sports Comparison

Sports photography with Olympus E-M10 II
Sports photography with Sony RX100 IV
67
has image stabilization (Sensor based 5-axis)
good resolution (16MP)
good sensor size (Four Thirds)
has tracking focus
has no phase detect autofocus
68
quiet shooting (1/32,000s)
fast shooting (16.0 frames/s)
built in image stabilization (Optical)
good MP (20MP)
sensor size is decent (1")
comes with tracking autofocus
no phase detect autofocus
Photography Glossary

Travel Comparison

Olympus E-M10 II Travel photography details
Sony RX100 IV Travel photography details
73
supports focus by touch
good resolution (16MP)
has built in flash
display is not selfie friendly
86
lighter than competition in class (298g)
good MP (20 megapixels)
built-in flash
selfie friendly display
fairly wide (24mm)
fast maximum aperture (f1.8)
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Landscape Comparison

Olympus E-M10 II as a Landscape photography camera
Sony RX100 IV as a Landscape photography camera
79
focusing manually
interchangeable lenses (Micro Four Thirds mount)
screen is a good size (3 inch)
has image stabilization (Sensor based 5-axis)
good resolution (16MP)
good sensor size (Four Thirds)
very good high ISO (25,600)
saves RAW formats
74
has manual focus
fairly wide (24mm)
fast maximum aperture (f1.8)
good sized screen (3")
built in image stabilization (Optical)
good MP (20 megapixels)
sensor size is decent (1")
saves RAW formats
lens is fixed (fixed lens mount)
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Vlogging Comparison

Olympus E-M10 II Vlogging information
Sony RX100 IV Vlogging information
35
touchscreen functionality
has image stabilization (Sensor based 5-axis)
has face detect autofocus
video res high (1920 x 1080 resolution)
display is not selfie friendly
missing mic port
81
fairly wide (24mm)
fast maximum aperture (f1.8)
selfie friendly display
built in image stabilization (Optical)
comes with face detection autofocus
high quality video (3840 x 2160 pxls)
lighter than competition in class (298g)
missing external microphone socket
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Olympus E-M10 II vs Sony RX100 IV Specifications

Detailed spec comparison table for Olympus E-M10 II and Sony RX100 IV
 Olympus OM-D E-M10 IISony Cyber-shot DSC-RX100 IV
General Information
Manufacturer Olympus Sony
Model type Olympus OM-D E-M10 II Sony Cyber-shot DSC-RX100 IV
Category Entry-Level Mirrorless Large Sensor Compact
Announced 2015-08-25 2015-06-10
Physical type SLR-style mirrorless Large Sensor Compact
Sensor Information
Chip TruePic VII Bionz X
Sensor type CMOS BSI-CMOS
Sensor size Four Thirds 1"
Sensor measurements 17.3 x 13mm 13.2 x 8.8mm
Sensor surface area 224.9mm² 116.2mm²
Sensor resolution 16 megapixel 20 megapixel
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 4608 x 3456 5472 x 3648
Maximum native ISO 25600 12800
Maximum boosted ISO - 25600
Minimum native ISO 200 125
RAW pictures
Minimum boosted ISO 100 80
Autofocusing
Manual focusing
Autofocus touch
Autofocus continuous
Autofocus single
Autofocus tracking
Autofocus selectice
Center weighted autofocus
Multi area autofocus
Live view autofocus
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Total focus points 81 25
Lens
Lens mount type Micro Four Thirds fixed lens
Lens zoom range - 24-70mm (2.9x)
Max aperture - f/1.8-2.8
Macro focusing range - 5cm
Amount of lenses 107 -
Crop factor 2.1 2.7
Screen
Type of display Tilting Tilting
Display sizing 3" 3"
Resolution of display 1,040k dots 1,229k dots
Selfie friendly
Liveview
Touch screen
Viewfinder Information
Viewfinder type Electronic Electronic
Viewfinder resolution 2,360k dots 2,359k dots
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.62x 0.59x
Features
Slowest shutter speed 60 seconds 30 seconds
Maximum shutter speed 1/4000 seconds 1/2000 seconds
Maximum quiet shutter speed - 1/32000 seconds
Continuous shooting rate 8.0 frames/s 16.0 frames/s
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Set white balance
Image stabilization
Inbuilt flash
Flash distance 5.80 m (ISO 100) -
Flash options Auto, redeye reduction, fill flash, flash off, 1st-curtain slow sync w/redeye, 1st-curtain slow sync, 2nd-curtain slow sync, manual -
Hot shoe
Auto exposure bracketing
WB bracketing
Maximum flash synchronize - 1/2000 seconds
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1920 x 1080 (60p/30p/24p), 1280 x 720 (60p/30p/24p), 640 x 480 (30 fps) 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 1920x1080 3840x2160
Video file format H.264, Motion JPEG 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
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 390g (0.86 lbs) 298g (0.66 lbs)
Physical dimensions 120 x 83 x 47mm (4.7" x 3.3" x 1.9") 102 x 58 x 41mm (4.0" x 2.3" x 1.6")
DXO scores
DXO All around rating 73 70
DXO Color Depth rating 23.1 22.9
DXO Dynamic range rating 12.5 12.6
DXO Low light rating 842 562
Other
Battery life 320 photographs 280 photographs
Battery type Battery Pack Battery Pack
Battery ID BLS-50 NP-BX1
Self timer Yes (12 sec., 2 sec, custom) Yes
Time lapse recording With downloadable app
Storage type SD/SDHC/SDXC SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo
Card slots One One
Pricing at launch $499 $898