Olympus E-M10 II vs Sony A9 II
82 Imaging
54 Features
77 Overall
63
62 Imaging
75 Features
93 Overall
82
Olympus E-M10 II vs Sony A9 II 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
- Announced August 2015
- Replaced the Olympus E-M10
- Replacement is Olympus E-M10 III
(Full Review)
- 24MP - Full frame Sensor
- 3" Tilting Screen
- ISO 100 - 51200 (Increase to 204800)
- Sensor based 5-axis Image Stabilization
- 1/8000s Max Shutter
- 3840 x 2160 video
- Sony E Mount
- 678g - 129 x 96 x 76mm
- Revealed October 2019
- Replaced the Sony A9
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On this page, we will be reviewing the Olympus E-M10 II and Sony A9 II, one being a Entry-Level Mirrorless and the latter is a Pro Mirrorless by rivals Olympus and Sony. There exists a sizeable gap between the sensor resolutions of the E-M10 II (16MP) and A9 II (24MP) and the E-M10 II (Four Thirds) and A9 II (Full frame) provide totally different sensor dimensions.
Samsung Releases Faster Versions of EVO MicroSD CardsThe E-M10 II was announced 5 years before the A9 II and that is quite a large gap as far as technology is concerned. Both of these cameras have the same body design (SLR-style mirrorless).
Before diving into a detailed comparison, here is a concise summary of how the E-M10 II grades versus the A9 II when considering portability, imaging, features and an overall rating.
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This is a preview of the gallery images for Olympus OM-D E-M10 II and Sony Alpha A9 Mark II. The whole galleries are provided at Olympus E-M10 II Gallery and Sony A9 II Gallery.
Reasons to pick Olympus E-M10 II over the Sony A9 II
| E-M10 II | A9 II |
|---|
Reasons to pick Sony A9 II over the Olympus E-M10 II
| A9 II | E-M10 II | |||
|---|---|---|---|---|
| Revealed | October 2019 |  | August 2015 | Fresher by 50 months |
| Screen resolution | 1440k |  | 1040k | Sharper screen (+400k dot) |
Common features in the Olympus E-M10 II and Sony A9 II
| E-M10 II | A9 II | |||
|---|---|---|---|---|
| Manually focus |  | Dial exact focus | ||
| Screen type | Tilting |  | Tilting | Tilting screen |
| Screen dimensions | 3" |  | 3" | Equal screen sizing |
| Selfie screen |  | No selfie screen | ||
| Touch screen |  | Quickly navigate |
Olympus E-M10 II vs Sony A9 II Physical Comparison
If you're planning to carry your camera, you're going to have to think about its weight and measurements. The Olympus E-M10 II comes with outer measurements of 120mm x 83mm x 47mm (4.7" x 3.3" x 1.9") and a weight of 390 grams (0.86 lbs) and the Sony A9 II has proportions of 129mm x 96mm x 76mm (5.1" x 3.8" x 3.0") accompanied by a weight of 678 grams (1.49 lbs).
Compare the Olympus E-M10 II and Sony A9 II in the all new Camera and Lens Size Comparison Tool.
Do not forget, the weight of an Interchangeable Lens Camera will vary dependant on the lens you have chosen at the time. Following is a front view size comparison of the E-M10 II versus the A9 II.
Taking into consideration dimensions and weight, the portability score of the E-M10 II and A9 II is 82 and 62 respectively.
Olympus E-M10 II vs Sony A9 II Sensor Comparison
Normally, its tough to visualise the difference between sensor sizing simply by reading specifications. The photograph below may offer you a better sense of the sensor measurements in the E-M10 II and A9 II.
To sum up, each of the cameras provide different megapixels and different sensor sizing. The E-M10 II having a tinier sensor will make shooting shallower DOF harder and the Sony A9 II will deliver more detail with its extra 8MP. Higher resolution will enable you to crop photographs more aggressively. The older E-M10 II is going to be behind in sensor tech.
Olympus E-M10 II vs Sony A9 II Screen and ViewFinder
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Olympus E-M10 II vs Sony A9 II Specifications
| Olympus OM-D E-M10 II | Sony Alpha A9 Mark II | |
|---|---|---|
| General Information | ||
| Brand Name | Olympus | Sony |
| Model | Olympus OM-D E-M10 II | Sony Alpha A9 Mark II |
| Class | Entry-Level Mirrorless | Pro Mirrorless |
| Announced | 2015-08-25 | 2019-10-03 |
| Body design | 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 measurements | 17.3 x 13mm | 35.6 x 23.8mm |
| Sensor surface area | 224.9mm² | 847.3mm² |
| Sensor resolution | 16 megapixel | 24 megapixel |
| Anti aliasing filter | ||
| Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 3:2 |
| Highest Possible resolution | 4608 x 3456 | 6000 x 4000 |
| Maximum native ISO | 25600 | 51200 |
| Maximum enhanced ISO | - | 204800 |
| Min native ISO | 200 | 100 |
| RAW data | ||
| Min enhanced ISO | 100 | 50 |
| Autofocusing | ||
| Focus manually | ||
| Touch to focus | ||
| Autofocus continuous | ||
| Single autofocus | ||
| Tracking autofocus | ||
| Autofocus selectice | ||
| Center weighted autofocus | ||
| Multi area autofocus | ||
| Live view autofocus | ||
| Face detection focus | ||
| Contract detection focus | ||
| Phase detection focus | ||
| Number of focus points | 81 | 693 |
| Lens | ||
| Lens mount | Micro Four Thirds | Sony E |
| Amount of lenses | 107 | 121 |
| Crop factor | 2.1 | 1 |
| Screen | ||
| Range of screen | Tilting | Tilting |
| Screen size | 3 inch | 3 inch |
| Screen resolution | 1,040 thousand dot | 1,440 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch functionality | ||
| Viewfinder Information | ||
| Viewfinder type | Electronic | Electronic |
| Viewfinder resolution | 2,360 thousand dot | 3,686 thousand dot |
| Viewfinder coverage | 100% | 100% |
| Viewfinder magnification | 0.62x | 0.78x |
| Features | ||
| Minimum shutter speed | 60 seconds | 30 seconds |
| Fastest shutter speed | 1/4000 seconds | 1/8000 seconds |
| Fastest silent shutter speed | - | 1/32000 seconds |
| Continuous shutter speed | 8.0 frames/s | 20.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | Yes |
| Custom white balance | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash range | 5.80 m (ISO 100) | no built-in flash |
| Flash settings | 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) | 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM |
| Maximum video resolution | 1920x1080 | 3840x2160 |
| Video file format | H.264, Motion JPEG | MPEG-4, AVCHD, H.264 |
| Microphone input | ||
| Headphone input | ||
| Connectivity | ||
| Wireless | Built-In | Built-In |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 3.1 Gen 1 (5 GBit/sec) |
| GPS | None | None |
| Physical | ||
| Environment seal | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 390 grams (0.86 pounds) | 678 grams (1.49 pounds) |
| Physical dimensions | 120 x 83 x 47mm (4.7" x 3.3" x 1.9") | 129 x 96 x 76mm (5.1" x 3.8" x 3.0") |
| DXO scores | ||
| DXO Overall score | 73 | not tested |
| DXO Color Depth score | 23.1 | not tested |
| DXO Dynamic range score | 12.5 | not tested |
| DXO Low light score | 842 | not tested |
| Other | ||
| Battery life | 320 pictures | 690 pictures |
| Battery format | Battery Pack | Battery Pack |
| Battery model | BLS-50 | NP-FZ100 |
| Self timer | Yes (12 sec., 2 sec, custom) | Yes (2, 5, 10 secs + continuous, 3 or 5 frames) |
| Time lapse shooting | ||
| Storage media | SD/SDHC/SDXC | Dual SD/SDHC/SDXC slots (UHS-II compatible) |
| Storage slots | Single | Dual |
| Launch pricing | $499 | $4,498 |