Olympus E-M10 IV vs Sony T900
81 Imaging
62 Features
83 Overall
70
96 Imaging
34 Features
30 Overall
32
Olympus E-M10 IV vs Sony T900 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
- Introduced August 2020
- Replaced the Olympus E-M10 III
(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
- Announced February 2009
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Here, we will be comparing the Olympus E-M10 IV vs Sony T900, former is a Entry-Level Mirrorless while the latter is a Ultracompact by brands Olympus and Sony. There exists a large gap between the image resolutions of the E-M10 IV (20MP) and T900 (12MP) and the E-M10 IV (Four Thirds) and T900 (1/2.3") provide totally different sensor dimensions.
Japan-exclusive Leica Leitz Phone 3 features big sensor and new modesThe E-M10 IV was announced 11 years after the T900 which is quite a serious difference as far as technology is concerned. Both of these cameras feature different body design with the Olympus E-M10 IV being a SLR-style mirrorless camera and the Sony T900 being a Ultracompact camera.
Before diving right into a comprehensive comparison, here is a simple overview of how the E-M10 IV scores against the T900 in terms of portability, imaging, features and an overall score.
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The following is a preview of the gallery photos for Olympus OM-D E-M10 IV & Sony Cyber-shot DSC-T900. The whole galleries are available at Olympus E-M10 IV Gallery & Sony T900 Gallery.
Reasons to pick Olympus E-M10 IV over the Sony T900
| E-M10 IV | T900 | |||
|---|---|---|---|---|
| Announced | August 2020 | February 2009 | More modern by 140 months | |
| Screen type | Tilting | Fixed | Tilting screen | |
| Screen resolution | 1040k | 922k | Sharper screen (+118k dot) | |
| Selfie screen | Take selfies |
Reasons to pick Sony T900 over the Olympus E-M10 IV
| T900 | E-M10 IV | |||
|---|---|---|---|---|
| Screen size | 3.5" | 3" | Bigger screen (+0.5") |
Common features in the Olympus E-M10 IV and Sony T900
| E-M10 IV | T900 | |||
|---|---|---|---|---|
| Manually focus | Dial precise focus | |||
| Touch friendly screen | Quickly navigate |
Olympus E-M10 IV vs Sony T900 Physical Comparison
If you're planning to carry around your camera regularly, you should factor in its weight and size. The Olympus E-M10 IV has got physical dimensions of 122mm x 84mm x 49mm (4.8" x 3.3" x 1.9") having a weight of 383 grams (0.84 lbs) while the Sony T900 has specifications of 98mm x 58mm x 16mm (3.9" x 2.3" x 0.6") with a weight of 143 grams (0.32 lbs).
See the Olympus E-M10 IV vs Sony T900 in our brand new Camera & Lens Size Comparison Tool.
Always remember, the weight of an ILC will vary depending on the lens you are employing during that time. Below is a front view measurement comparison of the E-M10 IV against the T900.

Looking at dimensions and weight, the portability grade of the E-M10 IV and T900 is 81 and 96 respectively.
Olympus E-M10 IV vs Sony T900 Sensor Comparison
Quite often, it is very hard to envision the gap between sensor sizes purely by checking specs. The pic here will offer you a greater sense of the sensor dimensions in the E-M10 IV and T900.
As you can plainly see, the two cameras come with different megapixel count and different sensor sizes. The E-M10 IV using its bigger sensor will make getting bokeh simpler and the Olympus E-M10 IV will give you extra detail with its extra 8 Megapixels. Higher resolution can also enable you to crop shots a good deal more aggressively. The newer E-M10 IV is going to have an advantage when it comes to sensor tech.
Olympus E-M10 IV vs Sony T900 Screen and ViewFinder
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Olympus E-M10 IV vs Sony T900 Specifications
| Olympus OM-D E-M10 IV | Sony Cyber-shot DSC-T900 | |
|---|---|---|
| General Information | ||
| Manufacturer | Olympus | Sony |
| Model | Olympus OM-D E-M10 IV | Sony Cyber-shot DSC-T900 |
| Type | Entry-Level Mirrorless | Ultracompact |
| Introduced | 2020-08-04 | 2009-02-17 |
| Body design | SLR-style mirrorless | Ultracompact |
| Sensor Information | ||
| Processor | TruePic VIII | - |
| 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 | 20 megapixels | 12 megapixels |
| 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 |
| Minimum native ISO | 200 | 80 |
| RAW data | ||
| Minimum enhanced ISO | 100 | - |
| Autofocusing | ||
| Focus manually | ||
| Touch to focus | ||
| Continuous autofocus | ||
| Autofocus single | ||
| Autofocus tracking | ||
| Autofocus selectice | ||
| Center weighted autofocus | ||
| Autofocus multi area | ||
| Live view autofocus | ||
| Face detect focus | ||
| Contract detect focus | ||
| Phase detect focus | ||
| Number of focus points | 121 | 9 |
| Lens | ||
| Lens mount | 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 | ||
| Display type | Tilting | Fixed Type |
| Display diagonal | 3" | 3.5" |
| Resolution of display | 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 | 0.62x | - |
| Features | ||
| Minimum shutter speed | 60s | 2s |
| Fastest shutter speed | 1/4000s | 1/1000s |
| Fastest quiet shutter speed | 1/16000s | - |
| Continuous shutter speed | 8.7fps | 2.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | - |
| Custom white balance | ||
| Image stabilization | ||
| Inbuilt 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 | ||
| AEB | ||
| White balance bracketing | ||
| Fastest flash sync | 1/250s | - |
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| 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 |
| Microphone input | ||
| Headphone input | ||
| 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 seal | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 383g (0.84 lbs) | 143g (0.32 lbs) |
| Physical dimensions | 122 x 84 x 49mm (4.8" x 3.3" x 1.9") | 98 x 58 x 16mm (3.9" x 2.3" 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 pictures | - |
| Battery format | Battery Pack | - |
| Battery model | BLS-50 | - |
| Self timer | Yes (2 or 12 sec, custom) | Yes (2 or 10 sec) |
| Time lapse feature | ||
| Type of storage | SD/SDHC/SDXC (UHS-II supported) | Memory Stick Duo / Pro Duo, Internal |
| Storage slots | One | One |
| Pricing at release | $699 | $300 |