| key specs |
| Camera Type | DSLR Camera | DSLR Camera |
| Effective Pixels | 14 MP | 16.05 MP |
| Sensor Type | CCD | MOS |
| Display Type | TFT LCD | OLED |
| Display Size | 3 inch | 3 inch |
| Battery Type | Lithium ion | Lithium ion |
| Touchscreen | - | Yes |
| general |
| Brand | Olympus | Panasonic |
| Model | SP 820UZ 14MP DSLR Camera | Lumix DMC GH4K 16.05MP DSLR Camera |
| Model Name | SP 820UZ | Lumix DMC GH4K |
| Color | Black | Black |
| Type | DSLR Camera | DSLR Camera |
| Effective Pixels | 14 MP | 16.05 MP |
| Dimensions(WxHxD) | 105.9x 75.9x 73.5 mm | 132.9 x 93.4 x 83.9 mm |
| Weight | 413 GM | 560 GM |
| Face Detection | Yes | - |
| Temperature | 0 to 40 | 32 to 104 |
| Model Number | - | DMC GH4K |
| Series | - | Lumix |
| Wide Angle | - | Yes |
| Maximum Burst | - | Yes |
| Accessory Shoe | - | Hot Shoe |
| sensor features |
| Sensor Type | CCD | MOS |
| Sensor Size | 1/2.3 inch | 17.3 x 13.0 mm |
| Maximum ISO | - | 25600 ISO |
| Maximum FPS | - | 96 |
| Sensor Technology | - | Live MOS Sensor |
| lens features |
| Focal Length | 4.3 - 154.8 mm (35 mm Equivalent to 24 - 864mm) | - |
| Digital Zoom | 4x | 2x |
| Aperture Range | F2.9 - F5.7 | - |
| Manual Focus | Yes | - |
| Color Filter | Primary RGB Color Filter | Primary color filter |
| Lens Mount | - | Micro Four Thirds mount |
| Optical Zoom | - | 4x |
| Dust Reduction | - | Yes |
| focus features |
| Auto Focus | Yes | Yes |
| Metering Modes | Multi-segment, Center Weighted, Spot Metering, ESP Light Metering | Multiple / Center Weighted / Spot |
| White Balancing | Auto, Preset Daylight, Tungsten, Fluorescent 1, Sunlight, One Touch WB | Auto / Daylight / Cloudy / Shade / incandescent / Flash / White Set 1, 2, 3, 4 / Color temperature setting |
| Other Focus Features | TTL iESP with Contrast Detection | One Shot AF, Shutter AF, Half Press Release, Quick AF, Continuous AF during motion picture recording, Eye Sensor AF, AF+MF, MF Assist, Touch MF Assist, Focus Peaking, Touch AF/AE Function, Touch Pad AF, Touch Shutter |
| Focus Mode | - | AFS Single / AFF Flexible / AFC Continuous / MF |
| Focus Range | - | EV -4 - 18 ISO100 equivalent |
| shutter features |
| Shutter Speed | 1/2 sec sec | Still image Bulb Max. 60 minutes, 1/8,000 - 60 / Motion picture 59.94Hz 1/16,000 - 1/30, 50.00Hz 1/16,000 - 1/25, 23.98Hz 1/16,000 - 1/24 When using Synchro Scan |
| Shutter Type | - | Focal-plane shutter |
| Self-timer | - | Yes |
| flash features |
| Built-in Flash | Yes | Yes |
| Flash Modes | Auto, Red-eye Reduction, Fill-in, Off | 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. |
| External Flash | - | Yes |
| Flash Compensation | - | 1/3EV step 3EV |
| image features |
| Image Format | JPEG, RAW, EXIF 2.21, DPOF, DCF | JPEG DCF, Exif 2.3, RAW, MPO When attaching 3D lens in Micro Four Thirds system standard |
| Aspect Ratio | 40900 PM | 43, 32, 169, 11 |
| Red Eye Reduction | Yes | Yes |
| Image Stabilizer | Yes | Yes |
| Image Sizing | 4288 x 3216 (14 M) | [43] 4608x3456L / 3264x2448M / 2336x1752S / 1824x1368 with 3D lens in Micro Four Thirds system standard / [32] 4608x3072L / 3264x2176M / 2336x1560S / 1824x1216 with 3D lens in Micro Four Thirds system standard / [169] 4608x2592L / 3840x2160M / 1920x1080S / 1824x1024 with 3D lens in Micro Four Thirds system standard / [11] 3456x3456L / 2448x2448M / 1744x1744S / 1712x1712 with 3D lens in Micro Four Thirds system standard |
| Picture Angle | 24 mm Wide-angle | - |
| Other Image Features | 4288 x 3216 (14 M), 3264 x 2448 (8 M), 2560 x 1920 (5 M), 2048 x 1536 (3 M), 1600 x 1200 (2 M), 1280 x 960 (1 M), 640 x 480 (VGA), 4288 x 2416 (169), 1920 x 1080 | - |
| Gross Pixel | - | 17.20 MP |
| Still Image Size | - | 4608x3456 |
| HDR Support | - | Yes |
| display features |
| Display Type | TFT LCD | OLED |
| Display Size | 3 inch | 3 inch |
| Display Resolution | - | Approx. 1036K dots |
| Touch Screen | - | Yes |
| LCD Display | - | OLED |
| LCD Display Image Resolution | - | Approx 1036K dots |
| connectivity features |
| HDMI | Yes | Yes |
| USB | Yes | Yes |
| Wifi | - | Yes |
| storage and power features |
| Inbuilt Memory | 14 MB | - |
| Upgradable Memory | Yes | Yes |
| Card Type | SD / SDHC / SDXC, Eye-Fi Card Compatible | SD Memory Card, SDHC Memory Card, SDXC Memory Card Compatible with UHS-I UHS Speed Class 3 standard SDHC / SDXC Memory Cards |
| Battery Type | Lithium ion | Lithium ion |
| Batteries Included | - | Yes |
| Battery Life | - | Approx. 530 images with H-HS12035 / Approx. 530 images with H-FS14140 |
| audio and video features |
| Audio Features | AAC | LPCM / AAC 2ch, AVCHD Audio format Dolby Digital 2ch |
| Video Format | MPEG-4 | MOV Audio format LPCM, MP4 |
| Audio Video Interface | Audio / Video Output | - |
| viewfinder features |
| View Finder | - | Yes |
| View Finder Type | - | OLED Live View Finder |
| Viewfinder Coverage | - | 100% |
| Viewfinder Magnification | - | Approx. 1.34x |
| Viewpoint Dioptric Adjustment | - | -4.0 - +4.0 dpt |
| Viewfinder Eye Point | - | 21 mm |
| 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 |