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Olympus E-M5 II vs Sony A7 III

Portability
80
Imaging
53
Features
84
Overall
65
Olympus OM-D E-M5 II front
 
Sony Alpha A7 III front
Portability
63
Imaging
74
Features
92
Overall
81

Olympus E-M5 II vs Sony A7 III Key Specs

Olympus E-M5 II
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Fully Articulated Screen
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 469g - 124 x 85 x 45mm
  • Revealed February 2015
  • Replaced the Olympus E-M5
  • Refreshed by Olympus E-M5 III
Sony A7 III
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Tilting Display
  • ISO 100 - 51200 (Boost to 204800)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 650g - 127 x 96 x 74mm
  • Released February 2018
  • Replaced the Sony A7 II
  • Updated by Sony A7 IV
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Olympus E-M5 II vs Sony A7 III Overview

Let's take a closer look at the Olympus E-M5 II vs Sony A7 III, one being a Advanced Mirrorless and the other is a Pro Mirrorless by brands Olympus and Sony. There is a huge difference between the image resolutions of the E-M5 II (16MP) and A7 III (24MP) and the E-M5 II (Four Thirds) and A7 III (Full frame) provide different sensor measurements.

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The E-M5 II was launched 4 years prior to the A7 III and that is quite a significant gap as far as tech is concerned. Each of the cameras feature the same body design (SLR-style mirrorless).

Before going into a comprehensive comparison, here is a quick highlight of how the E-M5 II scores vs the A7 III in regards to portability, imaging, features and an overall grade.

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Reasons to pick Olympus E-M5 II over the Sony A7 III

 E-M5 II A7 III 
Display typeFully ArticulatedTiltingFully Articulating display
Display resolution1037k922kClearer display (+115k dot)
Selfie screen Take selfies

Reasons to pick Sony A7 III over the Olympus E-M5 II

 A7 III E-M5 II 
ReleasedFebruary 2018February 2015More recent by 37 months

Common features in the Olympus E-M5 II and Sony A7 III

 E-M5 II A7 III 
Manually focus Dial accurate focusing
Display size3"3"Same display measurements
Touch display Easily navigate

Olympus E-M5 II vs Sony A7 III Physical Comparison

When you are going to lug around your camera regularly, you're going to have to factor its weight and volume. The Olympus E-M5 II has exterior measurements of 124mm x 85mm x 45mm (4.9" x 3.3" x 1.8") with a weight of 469 grams (1.03 lbs) whilst the Sony A7 III has sizing of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") accompanied by a weight of 650 grams (1.43 lbs).

Contrast the Olympus E-M5 II vs Sony A7 III in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are employing at that time. The following is a front view proportions comparison of the E-M5 II against the A7 III.

Olympus E-M5 II vs Sony A7 III size comparison

Looking at size and weight, the portability rating of the E-M5 II and A7 III is 80 and 63 respectively.

Olympus E-M5 II vs Sony A7 III top view buttons comparison

Olympus E-M5 II vs Sony A7 III Sensor Comparison

Often, its tough to imagine the contrast between sensor measurements only by reading through technical specs. The photograph underneath might give you a stronger sense of the sensor measurements in the E-M5 II and A7 III.

As you can tell, both of these cameras come with different resolutions and different sensor measurements. The E-M5 II featuring a tinier sensor is going to make achieving shallow depth of field harder and the Sony A7 III will give more detail utilizing its extra 8 Megapixels. Greater resolution will make it easier to crop pics a good deal more aggressively. The older E-M5 II is going to be behind in sensor technology.

Olympus E-M5 II vs Sony A7 III sensor size comparison

Olympus E-M5 II vs Sony A7 III Screen and ViewFinder

Olympus E-M5 II vs Sony A7 III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-M5 II Portrait photography advice
Sony A7 III Portrait photography advice
71
focusing manually
decent MP (16 megapixels)
sensor size is decent (Four Thirds)
has face detection focus
saves RAW formats
84
has manual focus
decent sensor resolution (24 megapixels)
sensor size is large (Full frame)
provides face detection autofocus
exports RAW formats
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Street Comparison

Olympus E-M5 II Street photography highlights
Sony A7 III Street photography highlights
82
screen can move to multiple angles
built in image stabilization (Sensor based 5-axis)
sensor size is decent (Four Thirds)
saves RAW formats
has touch to focus
environment proofing
very good ISO range (25,600)
78
screen tilts
built in image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
exports RAW formats
has focus via touch
environment sealing
great high ISO (51,200)
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Sports Comparison

Olympus E-M5 II Sports photography information
Sony A7 III Sports photography information
65
max shutter speed is good (1/8,000s)
silent shooting (1/16,000s)
built in image stabilization (Sensor based 5-axis)
decent MP (16 megapixels)
sensor size is decent (Four Thirds)
has tracking autofocus
environment proofing
terrible battery (310 per charge)
no phase detect auto focus
87
great max shutter speed (1/8,000 seconds)
built in image stabilization (Sensor based 5-axis)
decent sensor resolution (24MP)
sensor size is large (Full frame)
provides tracking autofocus
environment sealing
great battery power (610 CIPA)
has phase detect autofocus
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Travel Comparison

Olympus E-M5 II Travel photography factors
Sony A7 III Travel photography factors
74
environment proofing
has touch to focus
decent MP (16 megapixels)
display is selfie friendly
terrible battery (310 per charge)
73
great battery power (610 per charge)
environment sealing
supports bluetooth
has focus via touch
decent sensor resolution (24MP)
screen is not selfie friendly
Photography Glossary

Landscape Comparison

Olympus E-M5 II Landscape photography information
Sony A7 III Landscape photography information
74
focusing manually
change lenses (Micro Four Thirds mount)
pretty good screen size (3 inch)
built in image stabilization (Sensor based 5-axis)
decent MP (16 megapixels)
sensor size is decent (Four Thirds)
very good ISO range (25,600)
saves RAW formats
environment proofing
terrible battery (310 CIPA)
85
has manual focus
change lenses (Sony E mount)
screen size is decent (3 inch)
built in image stabilization (Sensor based 5-axis)
decent sensor resolution (24MP)
sensor size is large (Full frame)
great high ISO (51,200)
exports RAW formats
environment sealing
great battery power (610 per charge)
2 card slots
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Vlogging Comparison

Vlogging with Olympus E-M5 II
Vlogging with Sony A7 III
82
display is selfie friendly
screen is touchscreen
built in image stabilization (Sensor based 5-axis)
has face detection focus
video resolution high (1920 x 1080 pxls)
has external mic port
36
touchscreen capability
built in image stabilization (Sensor based 5-axis)
provides face detection autofocus
high res video (3840 x 2160 pxls)
has external mic support
screen is not selfie friendly
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Olympus E-M5 II vs Sony A7 III Specifications

Detailed spec comparison table for Olympus E-M5 II and Sony A7 III
 Olympus OM-D E-M5 IISony Alpha A7 III
General Information
Brand Name Olympus Sony
Model type Olympus OM-D E-M5 II Sony Alpha A7 III
Class Advanced Mirrorless Pro Mirrorless
Revealed 2015-02-06 2018-02-27
Physical type SLR-style mirrorless SLR-style mirrorless
Sensor Information
Chip TruePic VII Bionz X
Sensor type MOS BSI-CMOS
Sensor size Four Thirds Full frame
Sensor dimensions 17.3 x 13mm 35.8 x 23.8mm
Sensor surface area 224.9mm² 852.0mm²
Sensor resolution 16 megapixel 24 megapixel
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2 and 16:9
Highest resolution 4608 x 3456 6000 x 4000
Highest native ISO 25600 51200
Highest boosted ISO - 204800
Lowest native ISO 200 100
RAW pictures
Lowest boosted ISO 100 50
Autofocusing
Focus manually
AF touch
AF continuous
AF single
AF tracking
AF selectice
Center weighted AF
Multi area AF
Live view AF
Face detection AF
Contract detection AF
Phase detection AF
Total focus points 81 693
Lens
Lens mount type Micro Four Thirds Sony E
Amount of lenses 107 121
Focal length multiplier 2.1 1
Screen
Type of screen Fully Articulated Tilting
Screen sizing 3 inches 3 inches
Resolution of screen 1,037k dots 922k dots
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder type Electronic Electronic
Viewfinder resolution 2,360k dots 2,359k dots
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.74x 0.78x
Features
Lowest shutter speed 60s 30s
Highest shutter speed 1/8000s 1/8000s
Highest silent shutter speed 1/16000s -
Continuous shooting rate 10.0 frames/s 10.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom WB
Image stabilization
Built-in flash
Flash distance no built-in flash no built-in flash
Flash settings Auto, redeye, fill, off, redeye slow sync, slow sync, 2nd-curtain slow sync, manual no built-in flash
Hot shoe
AE bracketing
WB bracketing
Highest flash synchronize 1/250s -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1920 x 1080 (60p, 50p, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p, 24p), 640 x 480 (30p) 3840 x 2160 (30p, 24p) 1920 x 1080 (120p, 60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p)
Highest video resolution 1920x1080 3840x2160
Video file format MPEG-4, H.264, Motion JPEG MPEG-4, AVCHD, XAVC S, H.264
Mic support
Headphone support
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.1 Gen 1 (5 GBit/sec)
GPS None None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 469g (1.03 lb) 650g (1.43 lb)
Physical dimensions 124 x 85 x 45mm (4.9" x 3.3" x 1.8") 127 x 96 x 74mm (5.0" x 3.8" x 2.9")
DXO scores
DXO All around rating 73 96
DXO Color Depth rating 23.0 25.0
DXO Dynamic range rating 12.4 14.7
DXO Low light rating 896 3730
Other
Battery life 310 images 610 images
Style of battery Battery Pack Battery Pack
Battery ID BLN-1 NP-FZ100
Self timer Yes (2 or 10 secs, custom) Yes (2 or 10 sec; continuous (3 or 5 exposures))
Time lapse feature
Type of storage SD/SDHC/SDXC SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Card slots One Two
Pricing at launch $699 $1,998