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Olympus E-M1 II vs Sony RX100 IV

Portability
68
Imaging
59
Features
93
Overall
72
Olympus OM-D E-M1 Mark II front
 
Sony Cyber-shot DSC-RX100 IV front
Portability
89
Imaging
52
Features
79
Overall
62

Olympus E-M1 II vs Sony RX100 IV Key Specs

Olympus E-M1 II
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Fully Articulated Display
  • 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
  • 574g - 134 x 91 x 67mm
  • Released September 2016
  • Replaced the Olympus E-M1
  • Newer Model is Olympus E-M1 III
Sony RX100 IV
(Full Review)
  • 20MP - 1" Sensor
  • 3" Tilting Screen
  • ISO 125 - 12800 (Push to 25600)
  • Optical Image Stabilization
  • 3840 x 2160 video
  • 24-70mm (F1.8-2.8) lens
  • 298g - 102 x 58 x 41mm
  • Released June 2015
  • Previous Model is Sony RX100 III
  • Replacement is Sony RX100 V
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Olympus E-M1 II vs Sony RX100 IV Overview

The following is a extended assessment of the Olympus E-M1 II and Sony RX100 IV, one is a Pro Mirrorless and the latter is a Large Sensor Compact by rivals Olympus and Sony. The sensor resolution of the E-M1 II (20MP) and the RX100 IV (20MP) is pretty close but the E-M1 II (Four Thirds) and RX100 IV (1") have totally different sensor sizes.

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The E-M1 II was revealed 16 months after the RX100 IV which makes them a generation away from one another. Both of the cameras have different body design with the Olympus E-M1 II being a SLR-style mirrorless camera and the Sony RX100 IV being a Large Sensor Compact camera.

Before getting into a thorough comparison, here is a concise synopsis of how the E-M1 II scores against the RX100 IV in terms of portability, imaging, features and an overall mark.

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Reasons to pick Olympus E-M1 II over the Sony RX100 IV

 E-M1 II RX100 IV 
ReleasedSeptember 2016June 2015Newer by 16 months
Screen typeFully ArticulatedTiltingFully Articulating screen
Touch screen Quickly navigate

Reasons to pick Sony RX100 IV over the Olympus E-M1 II

 RX100 IV E-M1 II 
Screen resolution1229k1037kSharper screen (+192k dot)

Common features in the Olympus E-M1 II and Sony RX100 IV

 E-M1 II RX100 IV 
Manual focus Very exact focus
Screen dimensions3"3"Equal screen dimensions
Selfie screen Both are selfie friendly

Olympus E-M1 II vs Sony RX100 IV Physical Comparison

If you are planning to travel with your camera often, you need to think about its weight and proportions. The Olympus E-M1 II features outer measurements of 134mm x 91mm x 67mm (5.3" x 3.6" x 2.6") with a weight of 574 grams (1.27 lbs) and the Sony RX100 IV has measurements of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") with a weight of 298 grams (0.66 lbs).

Check out the Olympus E-M1 II and Sony RX100 IV in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an Interchangeable Lens Camera will vary dependant on the lens you have chosen during that time. The following is a front view dimensions comparison of the E-M1 II versus the RX100 IV.

Olympus E-M1 II vs Sony RX100 IV size comparison

Taking into account dimensions and weight, the portability rating of the E-M1 II and RX100 IV is 68 and 89 respectively.

Olympus E-M1 II vs Sony RX100 IV top view buttons comparison

Olympus E-M1 II vs Sony RX100 IV Sensor Comparison

Typically, its hard to visualise the difference in sensor dimensions simply by looking through specifications. The picture underneath may give you a greater sense of the sensor measurements in the E-M1 II and RX100 IV.

To sum up, both of these cameras provide the same megapixel count albeit not the same sensor dimensions. The E-M1 II uses the bigger sensor which is going to make obtaining shallower depth of field less difficult. The fresher E-M1 II will have a benefit in sensor technology.

Olympus E-M1 II vs Sony RX100 IV sensor size comparison

Olympus E-M1 II vs Sony RX100 IV Screen and ViewFinder

Olympus E-M1 II vs Sony RX100 IV Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-M1 II Portrait photography highlights
Sony RX100 IV Portrait photography highlights
75
has manual focus
decent sensor resolution (20MP)
sensor size is decent (Four Thirds)
features face detection autofocus
supports RAW files
65
has manual focus
high flash sync (1/2,000 seconds)
good MP (20MP)
sensor size is good (1")
comes with face detect focusing
saves RAW files
no external flash support
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Street Comparison

Street photography with Olympus E-M1 II
Street photography with Sony RX100 IV
78
screen articulates
has image stabilization (Sensor based 5-axis)
sensor size is decent (Four Thirds)
supports RAW files
supports focus by touch
weather proofing
lighter than competition (574 grams)
great ISO range (25,600)
85
tilting screen
has image stabilization (Optical)
sensor size is good (1")
saves RAW files
lighter than others (298 grams)
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Sports Comparison

Sports photography with Olympus E-M1 II
Sports photography with Sony RX100 IV
74
maximum shutter speed is high (1/8,000s)
silent mode (1/32,000s)
high frames per second (60.0 frames/s)
has image stabilization (Sensor based 5-axis)
decent sensor resolution (20 megapixels)
sensor size is decent (Four Thirds)
features tracking autofocus
weather proofing
supports phase detect autofocus
low battery pack (350 CIPA)
68
quiet mode (1/32,000s)
fast shooting (16.0 frames per second)
has image stabilization (Optical)
good MP (20MP)
sensor size is good (1")
comes with tracking focus
doesn't have phase detect AF
Photography Glossary

Travel Comparison

Olympus E-M1 II as a Travel photography camera
Sony RX100 IV as a Travel photography camera
72
lighter than competition (574 grams)
weather proofing
supports focus by touch
decent sensor resolution (20MP)
screen is selfie friendly
low battery pack (350 shots)
86
lighter than others (298g)
good MP (20 megapixels)
has built in flash
selfie friendly screen
quite wide (24mm)
good maximum aperture (f1.8)
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Landscape Comparison

Olympus E-M1 II as a Landscape photography camera
Sony RX100 IV as a Landscape photography camera
76
has manual focus
change lenses (Micro Four Thirds mount)
screen size is decent (3 inch)
has image stabilization (Sensor based 5-axis)
decent sensor resolution (20MP)
sensor size is decent (Four Thirds)
no anti-alias filter
great ISO range (25,600)
supports RAW files
weather proofing
2 card slots
low battery pack (350 CIPA)
74
has manual focus
quite wide (24mm)
good maximum aperture (f1.8)
screen is a good size (3 inch)
has image stabilization (Optical)
good MP (20 megapixels)
sensor size is good (1")
saves RAW files
cannot swap lens (fixed lens mount)
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Vlogging Comparison

Olympus E-M1 II Vlogging information
Sony RX100 IV Vlogging information
79
screen is selfie friendly
has touchscreen
has image stabilization (Sensor based 5-axis)
features face detection autofocus
video res high (4096 x 2160 pixels)
comes with external mic support
lighter than competition (574g)
81
quite wide (24mm)
good maximum aperture (f1.8)
selfie friendly screen
has image stabilization (Optical)
comes with face detect focusing
high res video (3840 x 2160 pxls)
lighter than others (298 grams)
missing microphone jack
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Olympus E-M1 II vs Sony RX100 IV Specifications

Detailed spec comparison table for Olympus E-M1 II and Sony RX100 IV
 Olympus OM-D E-M1 Mark IISony Cyber-shot DSC-RX100 IV
General Information
Make Olympus Sony
Model Olympus OM-D E-M1 Mark II Sony Cyber-shot DSC-RX100 IV
Type Pro Mirrorless Large Sensor Compact
Released 2016-09-19 2015-06-10
Body design SLR-style mirrorless Large Sensor Compact
Sensor Information
Processor Chip 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 surface area 226.2mm² 116.2mm²
Sensor resolution 20 megapixels 20 megapixels
Anti aliasing filter
Aspect ratio 4:3 1:1, 4:3, 3:2 and 16:9
Highest resolution 5184 x 3888 5472 x 3648
Highest native ISO 25600 12800
Highest boosted ISO - 25600
Lowest native ISO 200 125
RAW files
Lowest boosted ISO 64 80
Autofocusing
Focus manually
AF touch
Continuous AF
Single AF
AF tracking
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Number of focus points 121 25
Lens
Lens mount Micro Four Thirds fixed lens
Lens focal range - 24-70mm (2.9x)
Maximal aperture - f/1.8-2.8
Macro focus range - 5cm
Total lenses 107 -
Focal length multiplier 2.1 2.7
Screen
Display type Fully Articulated Tilting
Display sizing 3 inch 3 inch
Display resolution 1,037 thousand dot 1,229 thousand dot
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder Electronic Electronic
Viewfinder resolution 2,360 thousand dot 2,359 thousand dot
Viewfinder coverage 100% 100%
Viewfinder magnification 0.74x 0.59x
Features
Slowest shutter speed 60 secs 30 secs
Maximum shutter speed 1/8000 secs 1/2000 secs
Maximum quiet shutter speed 1/32000 secs 1/32000 secs
Continuous shooting speed 60.0 frames/s 16.0 frames/s
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Change WB
Image stabilization
Built-in flash
Flash range 9.10 m (at ISO 100) -
Flash modes Redeye, Fill-in, Flash Off, Red-eye Slow sync.(1st curtain), Slow sync.(1st curtain), Slow sync.(2nd curtain), Manual -
External flash
Auto exposure bracketing
White balance bracketing
Maximum flash sync 1/250 secs 1/2000 secs
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 4096 x 2160 @ 24p / 237 Mbps, MOV, H.264, Linear PCM, 3840 x 2160 @ 30p / 102 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 format MOV, H.264 MPEG-4, AVCHD, XAVC S
Microphone input
Headphone input
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 3.0 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 574 gr (1.27 lbs) 298 gr (0.66 lbs)
Physical dimensions 134 x 91 x 67mm (5.3" x 3.6" x 2.6") 102 x 58 x 41mm (4.0" x 2.3" x 1.6")
DXO scores
DXO All around score 80 70
DXO Color Depth score 23.7 22.9
DXO Dynamic range score 12.8 12.6
DXO Low light score 1312 562
Other
Battery life 350 shots 280 shots
Battery format Battery Pack Battery Pack
Battery model BLH-1 NP-BX1
Self timer Yes (2 or 12 secs, custom) Yes
Time lapse feature With downloadable app
Storage media Dual SD/SDHC/SDXC slots SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo
Storage slots Dual 1
Retail pricing $1,700 $898