Olympus E-M10 IV vs Sony T99
81 Imaging
62 Features
83 Overall
70


96 Imaging
37 Features
27 Overall
33
Olympus E-M10 IV vs Sony T99 Key Specs
(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
(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

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.

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.

Olympus E-M10 IV vs Sony T99 Gallery
Here is a preview of the gallery photos for Olympus OM-D E-M10 IV and Sony Cyber-shot DSC-T99. The entire galleries are provided at Olympus E-M10 IV Gallery and Sony T99 Gallery.
Reasons to pick Olympus E-M10 IV over the Sony T99
E-M10 IV | T99 | |||
---|---|---|---|---|
Introduced | August 2020 | ![]() | July 2010 | Fresher by 123 months |
Manually focus | ![]() | Very precise focusing | ||
Screen type | Tilting | ![]() | Fixed | Tilting screen |
Screen resolution | 1040k | ![]() | 230k | Crisper 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 dimensions | 3" | ![]() | 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.
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.

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 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 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Olympus E-M10 IV vs Sony T99 Specifications
Olympus OM-D E-M10 IV | Sony 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 |