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Olympus E-M10 IV vs Sony T90

Portability
81
Imaging
62
Features
83
Overall
70
Olympus OM-D E-M10 IV front
 
Sony Cyber-shot DSC-T90 front
Portability
96
Imaging
34
Features
26
Overall
30

Olympus E-M10 IV vs Sony T90 Key Specs

Olympus E-M10 IV
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Tilting Display
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • 3840 x 2160 video
  • Micro Four Thirds Mount
  • 383g - 122 x 84 x 49mm
  • Released August 2020
  • Superseded the Olympus E-M10 III
Sony T90
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 80 - 3200
  • Optical Image Stabilization
  • 1280 x 720 video
  • 35-140mm (F3.5-10.0) lens
  • 148g - 94 x 57 x 15mm
  • Revealed February 2009
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Olympus E-M10 IV vs Sony T90 Overview

Following is a comprehensive overview of the Olympus E-M10 IV versus Sony T90, former is a Entry-Level Mirrorless while the latter is a Ultracompact by competitors Olympus and Sony. There is a sizable difference between the sensor resolutions of the E-M10 IV (20MP) and T90 (12MP) and the E-M10 IV (Four Thirds) and T90 (1/2.3") use different sensor sizes.

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The E-M10 IV was announced 11 years after the T90 which is quite a significant difference as far as tech is concerned. Both of the cameras offer different body type with the Olympus E-M10 IV being a SLR-style mirrorless camera and the Sony T90 being a Ultracompact camera.

Before getting through a step-by-step comparison, below is a quick synopsis of how the E-M10 IV scores versus the T90 in terms of portability, imaging, features and an overall score.

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Reasons to pick Olympus E-M10 IV over the Sony T90

 E-M10 IV T90 
RevealedAugust 2020February 2009More modern by 140 months
Screen typeTiltingFixed Tilting screen
Screen resolution1040k230kSharper screen (+810k dot)
Selfie screen Easy selfies

Reasons to pick Sony T90 over the Olympus E-M10 IV

 T90 E-M10 IV 

Common features in the Olympus E-M10 IV and Sony T90

 E-M10 IV T90 
Manually focus Very exact focus
Screen sizing3"3"Equivalent screen dimensions
Touch friendly screen Quickly navigate

Olympus E-M10 IV vs Sony T90 Physical Comparison

If you're planning to carry around your camera, you have to factor in its weight and proportions. The Olympus E-M10 IV enjoys outer dimensions of 122mm x 84mm x 49mm (4.8" x 3.3" x 1.9") accompanied by a weight of 383 grams (0.84 lbs) and the Sony T90 has measurements of 94mm x 57mm x 15mm (3.7" x 2.2" x 0.6") accompanied by a weight of 148 grams (0.33 lbs).

Analyze the Olympus E-M10 IV versus Sony T90 in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an ILC will vary dependant on the lens you use at that time. Below is the front view proportions comparison of the E-M10 IV versus the T90.

Olympus E-M10 IV vs Sony T90 size comparison

Considering size and weight, the portability score of the E-M10 IV and T90 is 81 and 96 respectively.

Olympus E-M10 IV vs Sony T90 top view buttons comparison

Olympus E-M10 IV vs Sony T90 Sensor Comparison

Generally, it can be tough to picture the contrast between sensor sizes purely by reading through specs. The picture underneath may provide you a much better sense of the sensor dimensions in the E-M10 IV and T90.

All in all, both cameras offer different megapixels and different sensor sizes. The E-M10 IV with its bigger sensor is going to make getting shallow depth of field easier and the Olympus E-M10 IV will resolve more detail with its extra 8 Megapixels. Higher resolution will also let you crop shots a little more aggressively. The newer E-M10 IV provides an edge with regard to sensor technology.

Olympus E-M10 IV vs Sony T90 sensor size comparison

Olympus E-M10 IV vs Sony T90 Screen and ViewFinder

Olympus E-M10 IV vs Sony T90 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-M10 IV Portrait photography information
Sony T90 Portrait photography information
77
manual focus
megapixel count good (20 megapixels)
sensor size is nice (Four Thirds)
supports face detection focus
delivers RAW files
27
has manual focus
manual exposure not available
external flash not possible
low megapixels (12MP)
sensor is tiny (1/2.3")
has no RAW format
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Street Comparison

Olympus E-M10 IV Street photography information
Sony T90 Street photography information
84
screen tilts
built in image stabilization (Sensor based 5-axis)
sensor size is nice (Four Thirds)
delivers RAW files
features focus via touch
above average high ISO (25,600)
55
image stabilization (Optical)
screen is fixed
sensor is tiny (1/2.3")
has no RAW format
heavier than average (148 grams)
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Sports Comparison

Olympus E-M10 IV as a Sports photography camera
Sony T90 as a Sports photography camera
72
quiet mode (1/16,000s)
built in image stabilization (Sensor based 5-axis)
megapixel count good (20MP)
sensor size is nice (Four Thirds)
supports tracking autofocus
lack of phase detect auto focus
25
image stabilization (Optical)
max fps low (2.0 fps)
no shutter priority
low megapixels (12 megapixels)
sensor is tiny (1/2.3")
has no phase detect autofocus
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Travel Comparison

Olympus E-M10 IV Travel photography details
Sony T90 Travel photography details
84
supports bluetooth
features focus via touch
megapixel count good (20 megapixels)
flash built-in
selfie friendly screen
50
has built in flash
does not have Time Lapse function
heavier than average (148g)
low megapixels (12 megapixels)
display isn't selfie friendly
wide angle not good (35mm)
slow maximum aperture (f3.5)
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Landscape Comparison

Olympus E-M10 IV Landscape photography features
Sony T90 Landscape photography features
82
manual focus
switch lenses (Micro Four Thirds mount)
nice screen size (3 inches)
built in image stabilization (Sensor based 5-axis)
megapixel count good (20MP)
sensor size is nice (Four Thirds)
above average high ISO (25,600)
delivers RAW files
36
has manual focus
screen size is good (3")
image stabilization (Optical)
fixed lens (fixed lens mount)
wide angle not good (35mm)
slow maximum aperture (f3.5)
manual exposure not available
low megapixels (12 megapixels)
sensor is tiny (1/2.3")
has no RAW format
does not have Time Lapse function
Photography Glossary

Vlogging Comparison

Olympus E-M10 IV as a Vlogging camera
Sony T90 as a Vlogging camera
78
selfie friendly screen
screen is touchscreen
built in image stabilization (Sensor based 5-axis)
supports face detection focus
high quality video (3840 x 2160 pxls)
no external mic socket
27
touch screen
image stabilization (Optical)
wide angle not good (35mm)
slow maximum aperture (f3.5)
display isn't selfie friendly
low video resolution (1280 x 720 resolution)
does not have mic support
heavier than average (148g)
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Olympus E-M10 IV vs Sony T90 Specifications

Detailed spec comparison table for Olympus E-M10 IV and Sony T90
 Olympus OM-D E-M10 IVSony Cyber-shot DSC-T90
General Information
Brand Olympus Sony
Model Olympus OM-D E-M10 IV Sony Cyber-shot DSC-T90
Category Entry-Level Mirrorless Ultracompact
Released 2020-08-04 2009-02-17
Physical type SLR-style mirrorless Ultracompact
Sensor Information
Processor TruePic VIII -
Sensor type CMOS 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 20 megapixel 12 megapixel
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 4:3, 3:2 and 16:9
Peak resolution 5184 x 3888 4000 x 3000
Highest native ISO 25600 3200
Lowest native ISO 200 80
RAW images
Lowest enhanced ISO 100 -
Autofocusing
Focus manually
Touch focus
Continuous AF
Single AF
Tracking AF
AF selectice
AF center weighted
AF multi area
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Number of focus points 121 9
Lens
Lens mounting type Micro Four Thirds fixed lens
Lens focal range - 35-140mm (4.0x)
Maximal aperture - f/3.5-10.0
Available lenses 107 -
Crop factor 2.1 5.8
Screen
Type of display Tilting Fixed Type
Display sizing 3" 3"
Resolution of display 1,040 thousand dots 230 thousand dots
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder Electronic None
Viewfinder resolution 2,360 thousand dots -
Viewfinder coverage 100% -
Viewfinder magnification 0.62x -
Features
Min shutter speed 60 secs 1 secs
Max shutter speed 1/4000 secs 1/1600 secs
Max quiet shutter speed 1/16000 secs -
Continuous shutter rate 8.7fps 2.0fps
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes -
Change WB
Image stabilization
Built-in flash
Flash range 7.20 m (at ISO 200) 2.90 m (Auto ISO)
Flash options Redeye, fill-in, off, redeye slow-sync (1st-curtain), slow sync (1st-curtain), slow sync (2nd-curtain), manual Auto, On, Off, Red-Eye reduction, Slow Sync
External flash
AE bracketing
White balance bracketing
Max flash synchronize 1/250 secs -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 3840 x 2160 @ 30p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 25p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 24p / 102 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 60p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 50p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 30p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 25p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 24p / 52 Mbps, MOV, H.264, Linear PCM 1280 x 720 (30 fps) 640 x 480 (30 fps)
Highest video resolution 3840x2160 1280x720
Video format MPEG-4, H.264 Motion JPEG
Mic support
Headphone support
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
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 383g (0.84 lb) 148g (0.33 lb)
Dimensions 122 x 84 x 49mm (4.8" x 3.3" x 1.9") 94 x 57 x 15mm (3.7" x 2.2" x 0.6")
DXO scores
DXO Overall 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 360 shots -
Form of battery Battery Pack -
Battery model BLS-50 -
Self timer Yes (2 or 12 sec, custom) Yes (2 or 10 sec)
Time lapse shooting
Storage type SD/SDHC/SDXC (UHS-II supported) Memory Stick Duo / Pro Duo, Internal
Card slots Single Single
Pricing at release $699 $259