| key specs | 
| Camera Type | DSLR Camera | DSLR Camera | 
| Effective Pixels | 16.1 MP | 20.4 MP | 
| Sensor Type | MOS | MOS | 
| Display Type | LCD | - | 
| Display Size | 3 inch | 3 inch | 
| Battery Type | Lithium ion | Lithium ion | 
| Touchscreen | - | Yes | 
| general | 
| Brand | Olympus | Olympus | 
| Model | OMD EM10 Mark 3 16.1MP DSLR Camera | OMD EM1 Mark 2 20.4MP DSLR Camera | 
| Model Name | OMD EM10 Mark 3 | OMD EM1 Mark 2 | 
| Model Number | EM10 Mark 3 | EM1 Mark 2 | 
| Series | OMD | OMD | 
| Color | Silver | Black | 
| Minimum Illumination | Available | - | 
| Type | DSLR Camera | DSLR Camera | 
| Effective Pixels | 16.1 MP | 20.4 MP | 
| Dimensions(WxHxD) | 121.5 x 83.6 x 49.5 mm | 134.1 x 90.9 x 68.9 mm | 
| Weight | 410 GM | 574 GM | 
| Face Detection | Yes | - | 
| Temperature | 0 to 40 | 0 to 40 | 
| Accessory Shoe | Hot Shoe | - | 
| sensor features | 
| Sensor Type | MOS | MOS | 
| Sensor Size | 4/3 inch | 17.4 mm  x 13.0 mm | 
| Maximum FPS | 8.6 | - | 
| Sensor Technology | - | 4/3 Live MOS Sensor | 
| lens features | 
| Manual Focus | Yes | - | 
| Color Filter | Primary color filter | - | 
| Dust Reduction | Yes | Yes | 
| Lens Mount | - | Micro Four Thirds Mount | 
| viewfinder features | 
| View Finder | Yes | Yes | 
| View Finder Type | Eye-level electronic viewfinder, approx. 2.36M dots | Eye-level electronic viewfinder | 
| Viewfinder Coverage | 100% | 100% | 
| Viewfinder Magnification | Approx.1.23x | Approx. 1.30x - 1.48x | 
| Viewpoint Dioptric Adjustment | -4 ~ +2m-1 | -4 ~ +2m-1 | 
| Viewfinder Eye Point | 19.2 mm | 21 mm | 
| focus features | 
| Focus Mode | Single AF S-AF / Continuous AF C-AF*1 / Manual Focus MF / S-AF + MF / AF tracking C-AF + TR*1 | Single AF S-AF / Continuous AF C-AF / Manual Focus MF / S-AF + MF / AF tracking C-AF + TR / Preset MF | 
| Focus Points | 121 Focus Points | 121-point cross-type phase detection AF and 121-point contrast AF | 
| White Balancing | Auto WB, 6 Preset WBs, 4 Capture WBs, Custom WBKelvin setting | Auto WB, 7 Preset WBs, 4 Capture WBs, Custom WBKelvin setting | 
| Metering Modes | - | Digital ESP metering 324-area multi pattern metering, centre-weighted average metering, spot metering[*], spot metering with highlight control, spot metering with shadow control | 
| exposure features | 
| Exposure Mode | Auto Live Guide can be used , P Program AE program shift can be performed, A Aperture Priority AE, S Shutter Priority AE, M Manual Live Bulb, Live Time and Live Composite are available, Scene Select AE, Advanced Photo AE, Art Filter | iAuto Live Guide can be used, P program AE programme shift can be performed, A aperture priority AE, S Shutter priority AE, M Manual Live Bulb, Live Time and Live Composite are available, Custom 1~3, Art Filter, Underwater wide / Underwater macro to be assigned to the Fn1 button | 
| AE Lock/Exposure Lock | Yes | Yes | 
| Spot Meter | - | Yes | 
| Manual Exposure | - | Yes | 
| shutter features | 
| Shutter Type | Computerized focal-plane, high-speed mechanical shutter Silent electronic shutter | Focal-plane shutter mechanical shutter | 
| Shutter Speed | Mechanical Shutter 1/4000 - 60 sec. 1/3 EV steps selectable Live Bulb/Live Time Max. 30 min. selectable in menu settings, with 8-min. default setting Live composite Max. 3 hours Electronic first curtain shutter Anti-shock mode  1/320 - 60 sec Electronic shutter Silent mode 1/16000 - 30 sec | 1/8000 - 60 sec., with selectable EV adjustment steps 1/3, 1/2, 1 | 
| Self-timer | Yes | Yes | 
| Continuous Shots | [Sequential shooting H mode]approx 8.6 fps IS ON/OFF *Focus and exposure are fixed at the values for the first shot. [Sequential shooting L mode]approx 4.8 fps IS ON/OFF | - | 
| flash features | 
| Built-in Flash | Yes | Yes | 
| External Flash | Yes | Yes | 
| Flash Modes | Flash Auto, Redeye, Fill-in, Flash Off, Red-eye Slow sync.1st curtain, Slow sync.1st curtain, Slow sync.2nd curtain, Manual 1/1 FULL 1/64 | Redeye, Fill-in, Flash Off, Red-eye Slow sync. 1st curtain, Slow sync. 1st curtain, Slow sync. 2nd curtain, Manual 1/1 FULL ~ 1/64 | 
| Flash Compensation | Up to 3 EV in 0.3EV steps | - | 
| image features | 
| Image Format | RAW 12-bit lossless compression, JPEG, RAW + JPEG | RAW 12-bit lossless compression, JPEG, RAW+JPEG | 
| Aspect Ratio | 40300 AM | 40300 AM | 
| Gross Pixel | 17.20 MP | 21.8 MP | 
| Image Stabilizer | Yes | Yes | 
| Image Sizing | 4608 x 3456 | 5184 x 3888 | 
| HDR Support | Auto Composite | HDR1, HDR2 painting-like | 
| Still Image Size | - | 1024 x 768 | 
| display features | 
| Display Type | LCD | - | 
| Display Size | 3 inch | 3 inch | 
| Display Resolution | - | Approx. 1037k dots | 
| Touch Screen | - | Yes | 
| LCD Display | - | Vari-Angle | 
| connectivity features | 
| HDMI | Yes | Yes | 
| USB | Yes | Yes | 
| Wifi | Yes | - | 
| Wireless Connectivity | Built-in IEEE 802.11b/g/n | - | 
| storage and power features | 
| Card Type | SD SDHC, SDXC, UHS-I, UHS-II, Eye-Fi Card*1 compatible *1 Not compatible with Endless Memory | SD, SDHC, SDXC, Eye-Fi Card compatible | 
| Battery Type | Lithium ion | Lithium ion | 
| Upgradable Memory | - | Yes | 
| Batteries Included | - | Yes | 
| audio and video features | 
| Microphone | Stereo | stereo | 
| Speaker | Mono | Monaural | 
| Video Format | MOVMPEG-4AVC/H.264 | - | 
| Frame Rates in Video Modes | 25fps | - | 
| modes and functions features | 
| Drive Modes | - | [Sequential shooting H] approx. 15 fps with selectable 10-15 fps |