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Olympus E-M10 IV vs Sony T99

Portability
81
Imaging
62
Features
83
Overall
70
Olympus OM-D E-M10 IV front
 
Sony Cyber-shot DSC-T99 front
Portability
96
Imaging
37
Features
27
Overall
33

Olympus E-M10 IV vs Sony T99 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
  • Launched August 2020
  • Succeeded the Olympus E-M10 III
Sony T99
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 80 - 3200
  • Optical Image Stabilization
  • 1280 x 720 video
  • 25-100mm (F3.5-4.6) lens
  • 121g - 93 x 56 x 17mm
  • Introduced July 2010
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Olympus E-M10 IV vs Sony T99 Overview

Here is a complete comparison of the Olympus E-M10 IV versus Sony T99, one being a Entry-Level Mirrorless and the latter is a Ultracompact by brands Olympus and Sony. There is a huge difference among the sensor resolutions of the E-M10 IV (20MP) and T99 (14MP) and the E-M10 IV (Four Thirds) and T99 (1/2.3") have different sensor sizing.

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The E-M10 IV was manufactured 10 years later than the T99 and that is a fairly significant gap as far as camera tech is concerned. Both of the cameras have different body design with the Olympus E-M10 IV being a SLR-style mirrorless camera and the Sony T99 being a Ultracompact camera.

Before going straight to a full comparison, here is a brief overview of how the E-M10 IV scores versus the T99 in the way of portability, imaging, features and an overall rating.

Photography Glossary
	
	

Reasons to pick Olympus E-M10 IV over the Sony T99

 E-M10 IV T99 
IntroducedAugust 2020July 2010Fresher by 123 months
Manually focus Very precise focusing
Screen typeTiltingFixed Tilting screen
Screen resolution1040k230kCrisper screen (+810k dot)
Selfie screen Take selfies

Reasons to pick Sony T99 over the Olympus E-M10 IV

 T99 E-M10 IV 

Common features in the Olympus E-M10 IV and Sony T99

 E-M10 IV T99 
Screen dimensions3"3"Equal screen measurement
Touch screen Quickly navigate

Olympus E-M10 IV vs Sony T99 Physical Comparison

For anyone who is intending to carry your camera often, you are going to need to factor its weight and proportions. The Olympus E-M10 IV has physical measurements of 122mm x 84mm x 49mm (4.8" x 3.3" x 1.9") having a weight of 383 grams (0.84 lbs) and the Sony T99 has measurements of 93mm x 56mm x 17mm (3.7" x 2.2" x 0.7") along with a weight of 121 grams (0.27 lbs).

Analyze the Olympus E-M10 IV versus Sony T99 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 based on the lens you choose at that moment. Below is a front view measurements comparison of the E-M10 IV vs the T99.

Olympus E-M10 IV vs Sony T99 size comparison

Taking into consideration size and weight, the portability score of the E-M10 IV and T99 is 81 and 96 respectively.

Olympus E-M10 IV vs Sony T99 top view buttons comparison

Olympus E-M10 IV vs Sony T99 Sensor Comparison

In many cases, its hard to picture the difference in sensor sizing only by looking through specifications. The photograph below will offer you a much better sense of the sensor sizing in the E-M10 IV and T99.

Plainly, both of these cameras provide different resolutions and different sensor sizing. The E-M10 IV featuring a bigger sensor is going to make achieving bokeh easier and the Olympus E-M10 IV will render more detail due to its extra 6MP. Higher resolution can also enable you to crop shots more aggressively. The fresher E-M10 IV should have an edge when it comes to sensor tech.

Olympus E-M10 IV vs Sony T99 sensor size comparison

Olympus E-M10 IV vs Sony T99 Screen and ViewFinder

Olympus E-M10 IV vs Sony T99 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-M10 IV Portrait photography features
Sony T99 Portrait photography features
77
focusing manually
decent sensor resolution (20MP)
good sensor size (Four Thirds)
provides face detection focusing
saves RAW files
28
MP count good (14 megapixels)
manual focus not available
manual exposure not possible
cannot use external flash
sensor size is very small (1/2.3")
has no RAW files
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Street Comparison

Olympus E-M10 IV Street photography details
Sony T99 Street photography details
84
screen tilts up and down
has image stabilization (Sensor based 5-axis)
good sensor size (Four Thirds)
saves RAW files
boasts touch to focus
very good ISO range (25,600)
57
image stabilization (Optical)
fixed screen
sensor size is very small (1/2.3")
has no RAW files
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Sports Comparison

Olympus E-M10 IV as a Sports photography camera
Sony T99 as a Sports photography camera
72
silent shutter (1/16,000 seconds)
has image stabilization (Sensor based 5-axis)
decent sensor resolution (20 megapixels)
good sensor size (Four Thirds)
provides tracking autofocus
lacks phase detect AF
35
image stabilization (Optical)
MP count good (14 megapixels)
maximum shutter speed is a little low (1/1,250s)
lack of shutter priority mode
sensor size is very small (1/2.3")
has no phase detect AF
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Travel Comparison

Olympus E-M10 IV Travel photography highlights
Sony T99 Travel photography highlights
84
supports bluetooth
boasts touch to focus
decent sensor resolution (20 megapixels)
built-in flash
screen is selfie friendly
65
MP count good (14MP)
flash built-in
fairly wide (25mm)
does not have Timelapse mode
doesn't feature selfie friendly display
somewhat slow max aperture (f3.5)
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Landscape Comparison

Olympus E-M10 IV as a Landscape photography camera
Sony T99 as a Landscape photography camera
82
focusing manually
swap lenses (Micro Four Thirds mount)
screen is a decent size (3 inch)
has image stabilization (Sensor based 5-axis)
decent sensor resolution (20 megapixels)
good sensor size (Four Thirds)
very good ISO range (25,600)
saves RAW files
42
fairly wide (25mm)
screen is a good size (3")
image stabilization (Optical)
MP count good (14MP)
manual focus not available
lens is fixed (fixed lens mount)
somewhat slow max aperture (f3.5)
manual exposure not possible
sensor size is very small (1/2.3")
has no RAW files
does not have Timelapse mode
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Vlogging Comparison

Vlogging with Olympus E-M10 IV
Vlogging with Sony T99
78
screen is selfie friendly
touch screen
has image stabilization (Sensor based 5-axis)
provides face detection focusing
high res video (3840 x 2160 pixels)
missing external microphone port
31
fairly wide (25mm)
touchscreen
image stabilization (Optical)
somewhat slow max aperture (f3.5)
doesn't feature selfie friendly display
video quality not great (1280 x 720 resolution)
does not have external microphone jack
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Olympus E-M10 IV vs Sony T99 Specifications

Detailed spec comparison table for Olympus E-M10 IV and Sony T99
 Olympus OM-D E-M10 IVSony Cyber-shot DSC-T99
General Information
Manufacturer Olympus Sony
Model Olympus OM-D E-M10 IV Sony Cyber-shot DSC-T99
Class Entry-Level Mirrorless Ultracompact
Launched 2020-08-04 2010-07-08
Body design SLR-style mirrorless Ultracompact
Sensor Information
Chip TruePic VIII Bionz
Sensor type CMOS CCD
Sensor size Four Thirds 1/2.3"
Sensor measurements 17.4 x 13mm 6.17 x 4.55mm
Sensor surface area 226.2mm² 28.1mm²
Sensor resolution 20MP 14MP
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 4:3 and 16:9
Full resolution 5184 x 3888 4320 x 3240
Max native ISO 25600 3200
Min native ISO 200 80
RAW files
Min boosted ISO 100 -
Autofocusing
Focus manually
Touch to focus
Continuous AF
AF single
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 9
Lens
Lens mounting type Micro Four Thirds fixed lens
Lens focal range - 25-100mm (4.0x)
Maximal aperture - f/3.5-4.6
Macro focus distance - 1cm
Amount of lenses 107 -
Focal length multiplier 2.1 5.8
Screen
Range of display Tilting Fixed Type
Display size 3 inch 3 inch
Display resolution 1,040k dot 230k dot
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder type Electronic None
Viewfinder resolution 2,360k dot -
Viewfinder coverage 100 percent -
Viewfinder magnification 0.62x -
Features
Lowest shutter speed 60 seconds 2 seconds
Highest shutter speed 1/4000 seconds 1/1250 seconds
Highest quiet shutter speed 1/16000 seconds -
Continuous shooting speed 8.7fps 10.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes -
Set WB
Image stabilization
Inbuilt flash
Flash range 7.20 m (at ISO 200) 4.60 m
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, Slow syncro
External flash
AE bracketing
White balance bracketing
Highest flash sync 1/250 seconds -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
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)
Max video resolution 3840x2160 1280x720
Video format MPEG-4, H.264 MPEG-4
Microphone input
Headphone input
Connectivity
Wireless Built-In Eye-Fi Connected
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 383g (0.84 lb) 121g (0.27 lb)
Physical dimensions 122 x 84 x 49mm (4.8" x 3.3" x 1.9") 93 x 56 x 17mm (3.7" x 2.2" x 0.7")
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 360 pictures -
Form of battery Battery Pack -
Battery model BLS-50 NP-BN1
Self timer Yes (2 or 12 sec, custom) Yes (2 or 10 sec, portrait1, portrait2)
Time lapse shooting
Storage media SD/SDHC/SDXC (UHS-II supported) SD/ SDHC/ SDXC, Memory Stick Duo/Pro Duo, Internal
Storage slots 1 1
Price at launch $699 $179