| key specs | 
| Camera Type | DSLR Camera | Digital Camera | 
| Effective Pixels | 16.05 MP | 16.1 MP | 
| Sensor Type | MOS | CMOS | 
| Display Type | OLED | LCD | 
| Display Size | 3 inch | 3 inch | 
| Battery Type | Lithium ion | Lithium ion | 
| Touchscreen | Yes | - | 
| general | 
| Brand | Panasonic | Olympus | 
| Model | Lumix DMC GH4A 16.05MP DSLR Camera | Pen E-PL9 16.1MP Digital Camera | 
| Model Name | Lumix DMC GH4A | Pen E-PL9 | 
| Model Number | DMC GH4A | - | 
| Series | Lumix | Pen | 
| Color | Black | Gold | 
| SLR Variant | Body With 12-35Mm Lens | - | 
| Type | DSLR Camera | Digital Camera | 
| Effective Pixels | 16.05 MP | 16.1 MP | 
| Dimensions(WxHxD) | 132.9 x 93.4 x 83.9 mm | 30.5 x 25.4 x 20.3 cm | 
| Weight | 560 GM | 1.81 KG | 
| Temperature | 32 to 104 | 0 to 40 | 
| Accessory Shoe | Hot Shoe | - | 
| Face Detection | - | Yes | 
| Wide Angle | - | Yes | 
| sensor features | 
| Sensor Type | MOS | CMOS | 
| Sensor Size | 17.3 x 13.0 mm | - | 
| Maximum ISO | 25600 ISO | - | 
| Maximum FPS | 96 | - | 
| Sensor Technology | Live MOS Sensor | - | 
| lens features | 
| Lens Type | LUMIX G X VARIO | Single | 
| Lens Mount | Micro Four Thirds mount | - | 
| Lens Construction | 14 elements in 9 groups 4 aspherical lenses , 1 UED lens, 1 UHR lens | - | 
| Focal Length | f=12-35mm 35mm camera equivalent 24-70mm | - | 
| Digital Zoom | 2x | 4x | 
| Optical Zoom | 4x | 1x | 
| Aperture Range | F2.8 - F22 | - | 
| Color Filter | Primary color filter | Yes | 
| Dust Reduction | Yes | - | 
| Manual Focus | - | Yes | 
| viewfinder features | 
| View Finder | Yes | - | 
| View Finder Type | OLED Live View Finder 2,359K dots | - | 
| Viewfinder Coverage | 100% | - | 
| Viewfinder Magnification | Approx. 1.34x / 0.67x 35mm camera equivalent with 50 mm lens at infinity -1.0 m-1 | - | 
| Viewpoint Dioptric Adjustment | -4.0 - +4.0 dpt | - | 
| Viewfinder Eye Point | 21 mm | - | 
| focus features | 
| Focus Mode | AFS Single / AFF Flexible / AFC Continuous / MF | Yes | 
| Focus Range | EV -4 - 18 ISO100 equivalent | - | 
| Auto Focus | Yes | Yes | 
| Metering Modes | Multiple / Center Weighted / Spot | - | 
| White Balancing | Auto / Daylight / Cloudy / Shade / incandescent / Flash / White Set 1, 2, 3, 4 / Color temperature setting | - | 
| exposure features | 
| Exposure Mode | Program AE, Aperture Priority AE, Shutter Priority AE, Manual | - | 
| AE Lock/Exposure Lock | Yes | - | 
| Spot Meter | Yes | - | 
| Exposure Compensation | 1/3 EV step | - | 
| Manual Exposure | Yes | - | 
| shutter features | 
| Shutter Type | Focal-plane shutter | - | 
| Shutter Speed | Still image Bulb Max. 60 minutes, 1/8,000 - 60 | - | 
| Self-timer | Yes | Yes | 
| flash features | 
| Built-in Flash | Yes | Yes | 
| External Flash | Yes | Yes | 
| Flash Modes | Auto*, Auto/Red-eye Reduction*, Forced On, Forced On/Red-eye Reduction, Slow Sync., Slow Sync./Red-eye Reduction, Forced Off * For iA, iA+ only. | - | 
| image features | 
| Image Format | JPEG DCF, Exif 2.3, RAW, MPO When attaching 3D lens in Micro Four Thirds system standard | JPG | 
| Aspect Ratio | 43, 32, 169, 11 | - | 
| Gross Pixel | 17.20 MP | - | 
| Red Eye Reduction | Yes | - | 
| Image Stabilizer | Yes | - | 
| Image Sizing | [43] 4608x3456L / 3264x2448M / 2336x1752S / 1824x1368 with 3D lens in Micro Four Thirds system standard | - | 
| Still Image Size | 4608x3456 | - | 
| Live View Shooting | Yes | - | 
| display features | 
| Display Type | OLED | LCD | 
| Display Size | 3 inch | 3 inch | 
| Display Resolution | Approx. 1036K dots | - | 
| Touch Screen | Yes | - | 
| LCD Display | OLED | Yes | 
| LCD Display Image Resolution | Approx 1036K dots | - | 
| Other Display Features | Brightness 7 levels, Contrast and Saturation 7 levels, Red-Green 11 levels, Blue-Yellow 11 levels | - | 
| connectivity features | 
| HDMI | Yes | - | 
| USB | Yes | - | 
| Wifi | Yes | - | 
| storage and power features | 
| Upgradable Memory | Yes | - | 
| Card Type | SD Memory Card, SDHC Memory Card, SDXC Memory Card Compatible with UHS-I UHS Speed Class 3 standard SDHC / SDXC Memory Cards | SD | 
| Power Requirement | 7.2V | - | 
| Batteries Included | Yes | - | 
| Battery Type | Lithium ion | Lithium ion | 
| Battery Life | Approx. 530 images with H-HS12035 | - | 
| audio and video features | 
| Microphone | Stereo, Wind-cut OFF / Standard / High | - | 
| Speaker | Monaural | - | 
| Audio Features | Audio format LPCM / AAC 2ch | - | 
| Video Format | MOV Audio format LPCM, MP4 Audio format LPCM / AAC 2ch, AVCHD Audio format Dolby Digital 2ch | - | 
| Frame Rates in Video Modes | 2fps, 15fps, 26fps, 28fps, 30fps, 32fps, 34fps, 45fps, 60fps, 75fps, 90fps, 96fps | - | 
| modes and functions features | 
| HD Support | Yes | - | 
| Silent Shooting | Yes | - |