Olympus E-M10 II vs Sony A9
82 Imaging
53 Features
77 Overall
62
65 Imaging
72 Features
93 Overall
80
Olympus E-M10 II vs Sony A9 Key Specs
(Full Review)
- 16MP - Four Thirds Sensor
- 3" Tilting Screen
- ISO 200 - 25600
- Sensor based 5-axis Image Stabilization
- 1920 x 1080 video
- Micro Four Thirds Mount
- 390g - 120 x 83 x 47mm
- Released August 2015
- Earlier Model is Olympus E-M10
- Newer Model is Olympus E-M10 III
(Full Review)
- 24MP - Full frame Sensor
- 3" Tilting Screen
- ISO 100 - 51200 (Bump to 204800)
- Sensor based 5-axis Image Stabilization
- 1/8000s Maximum Shutter
- 3840 x 2160 video
- Sony E Mount
- 673g - 127 x 96 x 63mm
- Released April 2017
- Successor is Sony A9 II
Photography Glossary Olympus E-M10 II vs Sony A9 Overview
Here, we will be looking at the Olympus E-M10 II and Sony A9, former is a Entry-Level Mirrorless while the latter is a Pro Mirrorless by companies Olympus and Sony. There exists a substantial gap among the image resolutions of the E-M10 II (16MP) and A9 (24MP) and the E-M10 II (Four Thirds) and A9 (Full frame) boast different sensor sizing.
Apple Innovates by Creating Next-Level Optical Stabilization for iPhoneThe E-M10 II was launched 20 months prior to the A9 which makes them a generation away from one another. Both of the cameras feature the same body design (SLR-style mirrorless).
Before we go straight to a more detailed comparison, here is a short synopsis of how the E-M10 II scores versus the A9 with respect to portability, imaging, features and an overall mark.
Meta to Introduce 'AI-Generated' Labels for Media starting next month Olympus E-M10 II vs Sony A9 Gallery
Here is a preview of the gallery images for Olympus OM-D E-M10 II & Sony Alpha A9. The complete galleries are available at Olympus E-M10 II Gallery & Sony A9 Gallery.
Reasons to pick Olympus E-M10 II over the Sony A9
| E-M10 II | A9 |
|---|
Reasons to pick Sony A9 over the Olympus E-M10 II
| A9 | E-M10 II | |||
|---|---|---|---|---|
| Released | April 2017 | August 2015 | Newer by 20 months | |
| Screen resolution | 1440k | 1040k | Clearer screen (+400k dot) |
Common features in the Olympus E-M10 II and Sony A9
| E-M10 II | A9 | |||
|---|---|---|---|---|
| Manually focus | Very exact focusing | |||
| Screen type | Tilting | Tilting | Tilting screen | |
| Screen size | 3" | 3" | Same screen measurement | |
| Selfie screen | Neither contains selfie screen | |||
| Touch screen | Quickly navigate |
Olympus E-M10 II vs Sony A9 Physical Comparison
For those who are looking to travel with your camera often, you need to take into account its weight and measurements. The Olympus E-M10 II has got exterior dimensions of 120mm x 83mm x 47mm (4.7" x 3.3" x 1.9") having a weight of 390 grams (0.86 lbs) while the Sony A9 has proportions of 127mm x 96mm x 63mm (5.0" x 3.8" x 2.5") accompanied by a weight of 673 grams (1.48 lbs).
Examine the Olympus E-M10 II and Sony A9 in our newest Camera & Lens Size Comparison Tool.
Do not forget, the weight of an ILC will differ depending on the lens you use during that time. Below is a front view proportions comparison of the E-M10 II against the A9.

Taking into account dimensions and weight, the portability score of the E-M10 II and A9 is 82 and 65 respectively.
Olympus E-M10 II vs Sony A9 Sensor Comparison
Typically, its difficult to picture the contrast in sensor dimensions just by researching technical specs. The picture underneath may offer you a stronger sense of the sensor sizes in the E-M10 II and A9.
As you have seen, both of these cameras come with different megapixels and different sensor dimensions. The E-M10 II due to its smaller sensor is going to make achieving bokeh tougher and the Sony A9 will result in greater detail utilizing its extra 8 Megapixels. Higher resolution will make it easier to crop pictures a good deal more aggressively. The more aged E-M10 II will be behind with regard to sensor tech.
Olympus E-M10 II vs Sony A9 Screen and ViewFinder
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Olympus E-M10 II vs Sony A9 Specifications
| Olympus OM-D E-M10 II | Sony Alpha A9 | |
|---|---|---|
| General Information | ||
| Manufacturer | Olympus | Sony |
| Model type | Olympus OM-D E-M10 II | Sony Alpha A9 |
| Category | Entry-Level Mirrorless | Pro Mirrorless |
| Released | 2015-08-25 | 2017-04-19 |
| Physical type | SLR-style mirrorless | SLR-style mirrorless |
| Sensor Information | ||
| Chip | TruePic VII | BIONZ X |
| Sensor type | CMOS | BSI-CMOS |
| Sensor size | Four Thirds | Full frame |
| Sensor dimensions | 17.3 x 13mm | 35.6 x 23.8mm |
| Sensor area | 224.9mm² | 847.3mm² |
| Sensor resolution | 16 megapixels | 24 megapixels |
| Anti alias filter | ||
| Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 3:2 and 16:9 |
| Maximum resolution | 4608 x 3456 | 6000 x 4000 |
| Maximum native ISO | 25600 | 51200 |
| Maximum boosted ISO | - | 204800 |
| Minimum native ISO | 200 | 100 |
| RAW support | ||
| Minimum boosted ISO | 100 | 50 |
| Autofocusing | ||
| Manual focusing | ||
| Touch focus | ||
| Continuous AF | ||
| AF single | ||
| Tracking AF | ||
| Selective AF | ||
| AF center weighted | ||
| AF multi area | ||
| AF live view | ||
| Face detection AF | ||
| Contract detection AF | ||
| Phase detection AF | ||
| Total focus points | 81 | 693 |
| Lens | ||
| Lens mount type | Micro Four Thirds | Sony E |
| Amount of lenses | 107 | 121 |
| Crop factor | 2.1 | 1 |
| Screen | ||
| Screen type | Tilting | Tilting |
| Screen size | 3 inch | 3 inch |
| Resolution of screen | 1,040 thousand dots | 1,440 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch operation | ||
| Viewfinder Information | ||
| Viewfinder | Electronic | Electronic |
| Viewfinder resolution | 2,360 thousand dots | 3,686 thousand dots |
| Viewfinder coverage | 100% | 100% |
| Viewfinder magnification | 0.62x | 0.78x |
| Features | ||
| Slowest shutter speed | 60 secs | 30 secs |
| Maximum shutter speed | 1/4000 secs | 1/8000 secs |
| Maximum silent shutter speed | - | 1/32000 secs |
| Continuous shooting rate | 8.0 frames/s | 20.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | Yes |
| Set WB | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash distance | 5.80 m (ISO 100) | no built-in flash |
| Flash options | Auto, redeye reduction, fill flash, flash off, 1st-curtain slow sync w/redeye, 1st-curtain slow sync, 2nd-curtain slow sync, manual | Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync |
| External flash | ||
| AE bracketing | ||
| White balance bracketing | ||
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Supported video resolutions | 1920 x 1080 (60p/30p/24p), 1280 x 720 (60p/30p/24p), 640 x 480 (30 fps) | - |
| Maximum video resolution | 1920x1080 | 3840x2160 |
| Video file format | H.264, Motion JPEG | MPEG-4, AVCHD, H.264 |
| Mic support | ||
| Headphone support | ||
| Connectivity | ||
| Wireless | Built-In | Built-In |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environment sealing | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 390 gr (0.86 lbs) | 673 gr (1.48 lbs) |
| Physical dimensions | 120 x 83 x 47mm (4.7" x 3.3" x 1.9") | 127 x 96 x 63mm (5.0" x 3.8" x 2.5") |
| DXO scores | ||
| DXO All around rating | 73 | 92 |
| DXO Color Depth rating | 23.1 | 24.9 |
| DXO Dynamic range rating | 12.5 | 13.3 |
| DXO Low light rating | 842 | 3517 |
| Other | ||
| Battery life | 320 photographs | 650 photographs |
| Battery style | Battery Pack | Battery Pack |
| Battery ID | BLS-50 | NP-FZ100 |
| Self timer | Yes (12 sec., 2 sec, custom) | Yes (2, 5, 10 secs + continuous) |
| Time lapse shooting | ||
| Storage type | SD/SDHC/SDXC | Dual SD/SDHC/SDXC slots (UHS-II compatible) |
| Card slots | One | 2 |
| Pricing at launch | $499 | $4,498 |