| key specs | 
| Camera Type | DSLR Camera | DSLR Camera | 
| Effective Pixels | 24.3 MP | 20.3 MP | 
| Sensor Type | CMOS | MOS | 
| Display Size | 3 inch | 3 inch | 
| Battery Type | Lithium ion | Lithium ion | 
| Display Type | - | OLED | 
| general | 
| Brand | Sony | Panasonic | 
| Model | SLT A99V 24.3MP DSLR Camera | Lumix DMC GX8K 20.3MP DSLR Camera | 
| Model Name | SLT A99V | Lumix DMC GX8K | 
| Model Number | SLT A99V | DMC-GX8K | 
| Series | Alpha | Lumix | 
| Color | Black | Black | 
| SLR Variant | Body Only | - | 
| Type | DSLR Camera | DSLR Camera | 
| Effective Pixels | 24.3 MP | 20.3 MP | 
| Tripod Socket | Yes | - | 
| Dimensions(WxHxD) | 111.2 x 147 x 78.4 mm | 133.2 x 77.9 x 63.1 mm | 
| Weight | 433 GM | 487 GM | 
| Temperature | 0 to 40 | 32 to 104 | 
| Ports | HDMI | - | 
| Face Detection | - | Yes | 
| Wide Angle | - | Yes | 
| Maximum Burst | - | Yes | 
| Lens Attachment | - | 3D | 
| Accessory Shoe | - | Hot Shoe | 
| sensor features | 
| Sensor Type | CMOS | MOS | 
| Sensor Size | 23.5 x 15.6 | 17.3 x 13.0 mm | 
| Maximum ISO | 51200 ISO | 25600 ISO | 
| Maximum FPS | - | 25 | 
| lens features | 
| Lens Mount | Sony A-mount, Minolta and Konica Minolta AF Lenses | Micro Four Thirds mount | 
| Color Filter | Primary RGB Color Filter | Primary color filter | 
| Dust Reduction | Yes | Yes | 
| Lens Type | - | LUMIX G VARIO | 
| Lens Construction | - | 9 elements in 8 groups 2 aspherical lenses | 
| Focal Length | - | 14-42mm | 
| Digital Zoom | - | 2x | 
| Optical Zoom | - | 4x | 
| Aperture Range | - | F3.5 - F5.6 | 
| Manual Focus | - | Yes | 
| Other Lens Features | - | Supersonic wave filter | 
| viewfinder features | 
| View Finder | Yes | Yes | 
| View Finder Type | Electronic | OLED Live View Finder | 
| Viewfinder Magnification | 0.71x with 50 mm Lens at Infinity | Approx. 1.54x / 0.77x 35mm camera equivalent with 50 mm lens at infinity -1.0 m-1 | 
| Viewpoint Dioptric Adjustment | -4.0 - 3.0 m | -4.0 - +3.0 dpt | 
| Viewfinder Coverage | - | 100% | 
| Viewfinder Eye Point | - | 21 mm | 
| focus features | 
| Focus Mode | Single-shot AF AF-S, Automatic AF AF-A, Continuous AF AF-C, Depth Map Assist Continuous AF AF-D Selectable | AFS Single / AFF Flexible / AFC Continuous / MF | 
| Auto Focus | Yes | Yes | 
| White Balancing | Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent, Flash, Color Temperature and Color Filter, Custom, White Balance Bracketing 3 Frames, High, Low Selectable | Auto / Daylight / Cloudy / Shade / incandescent / Flash / White Set 1, 2, 3, 4 / Color temperature setting | 
| Other Focus Features | Focus Areas Selection Wide Area, 19-point Local Frame Selection, Fixed Centre Spot Focus, Predictive Focus for Moving Subjects, Auto-tracking Focus Point, Focus Lock, Eye-start AF, AF Syetem CCD Line Sensors, Sensitivity Range -1 - 18 EV ISO 100 Equivalent with F2.8 Lens Attached, AF Illuminator 1 - 7 m Range, Dual AF System 19 + 102 Points | - | 
| Focus Range | - | 21-42 mm | 
| Metering Modes | - | Multiple / Center Weighted / Spot | 
| Panorama Type | - | Standard / Wide | 
| exposure features | 
| Exposure Mode | Automatic | Program AE, Aperture Priority AE, Shutter Priority AE, Manual, | 
| AE Lock/Exposure Lock | Yes | Yes | 
| Exposure Compensation | 1/3 EV, 1/2 EV Increments Selectable +/- 5 EV | 1/3 EV step | 
| Other Exposure Features | Bracket Single, with 1/3 EV, 1/2 EV, 2/3 EV, 2.0 EV, 3.0 EV Increments, 3/5 Frames 2.0 EV, 3.0 EV  3 Frames Selectable | - | 
| Spot Meter | - | 1 Shot | 
| Manual Exposure | - | Yes | 
| shutter features | 
| Shutter Type | Electronically-controlled, Vertical-traverse, Focal-plane Type | Focal-plane shutter | 
| Shutter Speed | 1/8000 sec | 1/16,000 - 1 | 
| Self-timer | No | Yes | 
| Continuous Shots | Continuous Shooting Rate High 6 fps in Continuous Advance Priority AE Mode, Low 2.5 fps in Continuous Mode, Continuous Shooting Limit Extra Fine 14, Fine 18, STD 20, RAW 13, RAW + JPEG 11 | - | 
| image features | 
| Image Format | File Formar JPEG DCF 2.0, Exif 2.3, MPF Baseline Compliant, RAW Sony ARW 2.3 Format, RAW and JPEG | JPEG, RAW, MPO | 
| Aspect Ratio | - | 43, 32, 169, 11 | 
| Gross Pixel | - | 21.77 MP | 
| Red Eye Reduction | - | Yes | 
| Image Stabilizer | - | Yes | 
| Image Sizing | - | 5184 x 3888 | 
| HDR Support | - | Yes | 
| Slow Motion | - | Yes | 
| display features | 
| Display Size | 3 inch | 3 inch | 
| Other Display Features | Picture Effects Posterization Color, Black and White, Pop Color, Retro Photo, Partial Color Red, Yellow, Blue, Green, High Contrast Monochrome, Toy Camera, Soft High-key, Soft Focus, HDR Painting, Rich-tone Mono, Miniature, 100% Coverage | - | 
| Display Type | - | OLED | 
| LCD Display | - | OLED | 
| connectivity features | 
| HDMI | Yes | Yes | 
| Wifi | No | Yes | 
| USB | - | Yes | 
| storage and power features | 
| Upgradable Memory | Yes | Yes | 
| Card Type | Memory Stick Pro Duo Card | SD, SDHC, SDXC | 
| Batteries Included | Yes | Yes | 
| Battery Type | Lithium ion | Lithium ion | 
| Other Storage Features | USB Mass Storage | - | 
| Power Supply | - | 8.7W | 
| Power Requirement | - | 7.2V | 
| Battery Life | - | Approx. 330 images rear monitor, 310 images LVF with H-HS12035 | 
| audio and video features | 
| Video Resolution | 1920 x 1080 | - | 
| Video Format | AVCHD, MP4 | - | 
| Microphone | - | Stereo, Wind-cut OFF / Standard / High | 
| Speaker | - | Monaural | 
| Audio Features | - | AVCHD Audio format Dolby Digital 2ch, MP4 Audio format AAC 2ch | 
| Looping Video | - | Yes in 4K Burst S/S mode | 
| Audio Video Interface | - | Monaural Type, NTSC/PAL | 
| Frame Rates in Video Modes | - | 25fps | 
| flash features | 
| Built-in Flash | - | Yes | 
| External Flash | - | Yes | 
| Flash Modes | - | Auto, Red-eye Reduction, Forced On, Slow Sync. | 
| modes and functions features | 
| HD Support | - | Yes | 
| Delete Function | - | Yes |