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Olympus E-M5 III vs Sony T900

Portability
80
Imaging
62
Features
88
Overall
72
Olympus OM-D E-M5 III front
 
Sony Cyber-shot DSC-T900 front
Portability
96
Imaging
34
Features
30
Overall
32

Olympus E-M5 III vs Sony T900 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
  • Announced October 2019
  • Succeeded the Olympus E-M5 II
  • New Model is OM System OM-5
Sony T900
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 3.5" Fixed Screen
  • ISO 80 - 3200
  • Optical Image Stabilization
  • 1280 x 720 video
  • 35-140mm (F3.5-10.0) lens
  • 143g - 98 x 58 x 16mm
  • Released February 2009
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Olympus E-M5 III vs Sony T900 Overview

Here is a detailed overview of the Olympus E-M5 III vs Sony T900, former being a Advanced Mirrorless while the latter is a Ultracompact by companies Olympus and Sony. There is a large difference between the image resolutions of the E-M5 III (20MP) and T900 (12MP) and the E-M5 III (Four Thirds) and T900 (1/2.3") possess different sensor sizing.

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The E-M5 III was introduced 10 years later than the T900 and that is quite a serious difference as far as tech is concerned. Both of these cameras come with different body type with the Olympus E-M5 III being a SLR-style mirrorless camera and the Sony T900 being a Ultracompact camera.

Before diving straight into a complete comparison, below is a brief summary of how the E-M5 III matches up against the T900 in relation to portability, imaging, features and an overall rating.

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Reasons to pick Olympus E-M5 III over the Sony T900

 E-M5 III T900 
ReleasedOctober 2019February 2009Fresher by 130 months
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen resolution1040k922kCrisper screen (+118k dot)
Selfie screen Easy selfies

Reasons to pick Sony T900 over the Olympus E-M5 III

 T900 E-M5 III 
Screen dimension3.5"3"Bigger screen (+0.5")

Common features in the Olympus E-M5 III and Sony T900

 E-M5 III T900 
Manually focus Dial exact focus
Touch friendly screen Quickly navigate

Olympus E-M5 III vs Sony T900 Physical Comparison

In case you're going to carry your camera often, you're going to have to factor in its weight and size. The Olympus E-M5 III provides exterior measurements of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") with a weight of 414 grams (0.91 lbs) while the Sony T900 has specifications of 98mm x 58mm x 16mm (3.9" x 2.3" x 0.6") and a weight of 143 grams (0.32 lbs).

Examine the Olympus E-M5 III vs Sony T900 in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an ILC will differ depending on the lens you are utilizing at that time. Here is the front view dimension comparison of the E-M5 III compared to the T900.

Olympus E-M5 III vs Sony T900 size comparison

Using size and weight, the portability rating of the E-M5 III and T900 is 80 and 96 respectively.

Olympus E-M5 III vs Sony T900 top view buttons comparison

Olympus E-M5 III vs Sony T900 Sensor Comparison

Usually, its difficult to picture the gap between sensor sizing simply by reviewing a spec sheet. The graphic below may provide you a stronger sense of the sensor sizing in the E-M5 III and T900.

As you can see, both of the cameras posses different megapixel count and different sensor sizing. The E-M5 III using its bigger sensor is going to make getting shallow depth of field easier and the Olympus E-M5 III will deliver extra detail using its extra 8MP. Higher resolution can also enable you to crop pictures somewhat more aggressively. The more modern E-M5 III provides an edge when it comes to sensor innovation.

Olympus E-M5 III vs Sony T900 sensor size comparison

Olympus E-M5 III vs Sony T900 Screen and ViewFinder

Olympus E-M5 III vs Sony T900 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-M5 III Portrait photography highlights
Sony T900 Portrait photography highlights
77
manual focus
MP count decent (20 megapixels)
sensor size is good (Four Thirds)
offers face detection focusing
exports RAW formats
27
you can focus manually
no manual control
cannot use external flash
megapixel count low (12 megapixels)
tiny sensor size (1/2.3")
doesn't have RAW support
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Street Comparison

Olympus E-M5 III Street photography info
Sony T900 Street photography info
83
screen articulates
has image stabilization (Sensor based 5-axis)
sensor size is good (Four Thirds)
exports RAW formats
supports focus by touch
weather proof
good high ISO (25,600)
57
has image stabilization (Optical)
screen does not articulate
tiny sensor size (1/2.3")
doesn't have RAW support
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Sports Comparison

Olympus E-M5 III Sports photography factors
Sony T900 Sports photography factors
76
max shutter speed is good (1/8,000s)
silent shutter (1/32,000s)
fast shooting (30.0 fps)
has image stabilization (Sensor based 5-axis)
MP count decent (20 megapixels)
sensor size is good (Four Thirds)
offers tracking autofocus
weather proof
supports phase detect AF
low battery power (310 CIPA)
24
has image stabilization (Optical)
maximum shutter speed is a little low (1/1,000 seconds)
slow continuous shooting (2.0 fps)
lack of shutter priority mode
megapixel count low (12 megapixels)
tiny sensor size (1/2.3")
doesn't have phase detect autofocus
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Travel Comparison

Olympus E-M5 III Travel photography advice
Sony T900 Travel photography advice
77
weather proof
connects via bluetooth
supports focus by touch
MP count decent (20 megapixels)
screen is selfie friendly
low battery power (310 per charge)
51
built-in flash
lack of Time Lapse recording
megapixel count low (12MP)
screen isn't selfie friendly
wide angle not great (35mm)
somewhat slow maximum aperture (f3.5)
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Landscape Comparison

Olympus E-M5 III as a Landscape photography camera
Sony T900 as a Landscape photography camera
77
manual focus
change lenses (Micro Four Thirds mount)
pretty good screen size (3 inch)
has image stabilization (Sensor based 5-axis)
MP count decent (20 megapixels)
sensor size is good (Four Thirds)
good high ISO (25,600)
exports RAW formats
weather proof
low battery power (310 per charge)
36
you can focus manually
very good size screen (3.5 inches)
has image stabilization (Optical)
cannot switch lenses (fixed lens mount)
wide angle not great (35mm)
somewhat slow maximum aperture (f3.5)
no manual control
megapixel count low (12MP)
tiny sensor size (1/2.3")
doesn't have RAW support
lack of Time Lapse recording
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Vlogging Comparison

Olympus E-M5 III Vlogging features
Sony T900 Vlogging features
84
screen is selfie friendly
touchscreen functionality
has image stabilization (Sensor based 5-axis)
offers face detection focusing
video resolution high (4096 x 2160 resolution)
comes with external mic jack
28
screen is touchscreen
has image stabilization (Optical)
wide angle not great (35mm)
somewhat slow maximum aperture (f3.5)
screen isn't selfie friendly
video resolution low (1280 x 720 pxls)
lack of mic port
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Olympus E-M5 III vs Sony T900 Specifications

Detailed spec comparison table for Olympus E-M5 III and Sony T900
 Olympus OM-D E-M5 IIISony Cyber-shot DSC-T900
General Information
Company Olympus Sony
Model Olympus OM-D E-M5 III Sony Cyber-shot DSC-T900
Class Advanced Mirrorless Ultracompact
Announced 2019-10-17 2009-02-17
Body design SLR-style mirrorless Ultracompact
Sensor Information
Processor TruePic VIII -
Sensor type MOS CCD
Sensor size Four Thirds 1/2.3"
Sensor dimensions 17.4 x 13mm 6.17 x 4.55mm
Sensor surface area 226.2mm² 28.1mm²
Sensor resolution 20MP 12MP
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 4:3, 3:2 and 16:9
Full resolution 5184 x 3888 4000 x 3000
Max native ISO 25600 3200
Min native ISO 200 80
RAW format
Min boosted ISO 64 -
Autofocusing
Focus manually
AF touch
Continuous AF
Single AF
AF tracking
AF selectice
AF center weighted
AF multi area
Live view AF
Face detection AF
Contract detection AF
Phase detection AF
Number of focus points 121 9
Lens
Lens mount Micro Four Thirds fixed lens
Lens focal range - 35-140mm (4.0x)
Highest aperture - f/3.5-10.0
Available lenses 107 -
Focal length multiplier 2.1 5.8
Screen
Range of screen Fully Articulated Fixed Type
Screen sizing 3 inches 3.5 inches
Screen resolution 1,040k dot 922k dot
Selfie friendly
Liveview
Touch function
Viewfinder Information
Viewfinder type Electronic None
Viewfinder resolution 2,360k dot -
Viewfinder coverage 100 percent -
Viewfinder magnification 0.68x -
Features
Slowest shutter speed 60 seconds 2 seconds
Maximum shutter speed 1/8000 seconds 1/1000 seconds
Maximum silent shutter speed 1/32000 seconds -
Continuous shooting speed 30.0 frames/s 2.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes -
Change WB
Image stabilization
Integrated flash
Flash range no built-in flash 2.90 m (Auto ISO)
Flash options Auto, redeye, fill, off, redeye slow sync, slow sync, 2nd-curtain slow sync, manual Auto, On, Off, Red-Eye reduction, Slow Sync
Hot shoe
AE bracketing
White balance bracketing
Maximum flash sync 1/250 seconds -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 4096 x 2160 @ 24p / 237 Mbps, MOV, H.264, Linear PCM 1280 x 720 (30 fps) 640 x 480 (30 fps)
Max video resolution 4096x2160 1280x720
Video file format MPEG-4, H.264 Motion JPEG
Mic jack
Headphone jack
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 414 gr (0.91 pounds) 143 gr (0.32 pounds)
Dimensions 125 x 85 x 50mm (4.9" x 3.3" x 2.0") 98 x 58 x 16mm (3.9" x 2.3" x 0.6")
DXO scores
DXO All around score not tested not tested
DXO Color Depth score not tested not tested
DXO Dynamic range score not tested not tested
DXO Low light score not tested not tested
Other
Battery life 310 pictures -
Form of battery Battery Pack -
Battery model BLN-1 -
Self timer Yes (2 or 10 secs, custom) Yes (2 or 10 sec)
Time lapse shooting
Storage media SD/SDHC/SDXC (UHS-II supported) Memory Stick Duo / Pro Duo, Internal
Storage slots Single Single
Pricing at launch $1,199 $300