Panasonic Lumix G DMC-GX1 vs. Sony Alpha99 II ILCA-99M2

Camera Comparison, Reviews and Tests

In depth comparison and review of Panasonic Lumix G DMC-GX1 and Sony Alpha99 II ILCA-99M2. Compare design, sensors, proximity features, memory capacities and other important specifications and features to easily choose the right camera for you. Our goal is to help you uncover differences between the products and find the digital camera that will best fit your needs.

Camera Specifications Comparison

Panasonic Lumix G DMC-GX1 vs. Sony Alpha99 II ILCA-99M2 Comparison Chart
DESIGN AND DIMENSIONS Panasonic Lumix G DMC-GX1 Sony Alpha99 II ILCA-99M2
Product Type Digital camera - 1080i - mirrorless system Digital camera - 4K - mirrorless system
Lens Included Body only Body only
Height 6.8 cm 10.42 cm
Width 11.6 cm 14.26 cm
Depth 3.9 cm 7.61 cm
Weight 272 g 849 g
Weight Details - Camera with battery and memory card: 849 g
Enclosure Colour Black | Silver -
Protection - Dust-resistant, moisture-resistant
Digital Zoom 4x 8x
SENSOR Panasonic Lumix G DMC-GX1 Sony Alpha99 II ILCA-99M2
Sensor Resolution 16.0 Megapixel 42.4 Megapixel
Optical Sensor Type Live MOS Exmor R CMOS
Total Pixels 16,680,000 pixels 43,600,000 pixels
Effective Sensor Resolution 16,000,000 pixels 42,400,000 pixels
Optical Sensor Size Four Thirds (17.3 x 13.0 mm) Full Frame (35.9 x 24.0 mm)
Frame Rate (Max Resolution) - 30 fps
Sensor Dust Reduction Yes -
Sensor Features Supersonic Wave Filter (SWF) Anti-Dust coating, APS-C compatible mode
Image Stabiliser - Optical (5-axis image sensor shift mechanism)
Sensors Digital level metre -
PROCESSOR Panasonic Lumix G DMC-GX1 Sony Alpha99 II ILCA-99M2
Image Processor Venus Engine BIONZ X
LENS Panasonic Lumix G DMC-GX1 Sony Alpha99 II ILCA-99M2
Lens Mounting Type Micro Four Thirds Sony A-type
FOCUSING Panasonic Lumix G DMC-GX1 Sony Alpha99 II ILCA-99M2
Auto Focus TTL contrast detection Hybrid
Auto Focus Points (Zones) Qty 23 399
Auto Focus Features - Predictive Focus Control
Face Detection Yes Eye Detect AF
VIEWFINDER Panasonic Lumix G DMC-GX1 Sony Alpha99 II ILCA-99M2
Viewfinder Type - Electronic - OLED
Viewfinder Colour Support - Colour
Viewfinder Diagonal Size - 0.5"
Viewfinder Resolution - 2,359,296 pixels
Optical Viewfinder Field Coverage - 100%
Optical Viewfinder Magnification - 0.78x
Optical Viewfinder Dioptric Correction Range - -4 to +3
Field of View Crop Factor 2 -
Features - Viewfinder brightness control, colour temperature control
EXPOSURE & WHITE BALANCE Panasonic Lumix G DMC-GX1 Sony Alpha99 II ILCA-99M2
ISO (Max) 12800 102400
Native ISO - 100-25600
Extended ISO (Max) - 102400
Extended ISO (Min) - 50
Light Sensitivity ISO 800, ISO 400, ISO 200, ISO 160, ISO 1600, ISO 6400, ISO 3200, ISO auto, ISO 12800 ISO 50, ISO 102400, ISO auto (100-6400), ISO 100-25600
Exposure Metering Multi-segment, centre-weighted, spot Multi-segment, centre-weighted, spot
Exposure Metering Zones 144 1200
Exposure Modes Programme, bulb, automatic, manual, aperture-priority, shutter-priority Automatic, manual, aperture-priority, shutter-priority
Shooting Programs Portrait mode, party/indoor, night portrait, PET, scenery, food, illumination snap, flower, night scene, sports mode, sunset, soft skin, baby1, baby2, peripheral defocus, architecture, objects -
Special Effects Sepia, miniature, Retro, Expressive, high dynamic, High Key, Low Key, Toy effect Black & White, Sepia, Neutral, Vivid, sunset, landscape, portrait, clear, deep, light, autumn leaves, Retro, partial colour, Toy camera, Posterisation, High contrast monochrome, Pop Colour, Rich-tone monochrome, Soft High-key, Night Scene, Standard, Style Box
White Balance Custom, automatic, presets Custom, automatic, presets
White Balance Presets Incandescent, cloudy, Flash, daylight, shade, 2500K - 10000K (100K steps) Incandescent, fluorescent, cloudy, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (warm white), Underwater, 2500K - 9900K, fluorescent light (daylight white), Colour Filter (G7 - M7), Colour Filter (A7 - B7)
Shutter Type - Mechanical electronically-controlled
Max Shutter Speed 1/4000 sec 1/8000 sec
Min Shutter Speed 60 sec 30 sec
Exposure Compensation ±5 EV range, in 1/3 EV steps ±5 EV range, in 1/2 or 1/3 EV steps
Auto Exposure Bracketing 7 steps in 1/3, 2/3 or 1 EV steps 3, 5, 9 steps in 1/3, 1/2, 2/3, 1, 2 or 3 EV steps
White Balance Bracketing Yes Yes
X-sync Speed 1/160 sec 1/250sec
Exposure Range EV 0-18 (ISO 100) EV 2-17 (ISO 100)
DISPLAY Panasonic Lumix G DMC-GX1 Sony Alpha99 II ILCA-99M2
Type 3" LCD display 3" LCD display
Touch Screen Yes -
Display Format 460,000 pixels 1,228,800 pixels
Display Form Factor Built-in Folding
Display Features Display brightness control, display colour control, display contrast control Display brightness control
FLASH Panasonic Lumix G DMC-GX1 Sony Alpha99 II ILCA-99M2
Camera Flash Pop-up flash -
Guide Number (m / ISO 100) 7.6 -
Flash Modes Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction -
Red-Eye Reduction Yes -
Features AF illuminator, flash +/- compensation -
VIDEOGRAPHY / CAMCORDER Panasonic Lumix G DMC-GX1 Sony Alpha99 II ILCA-99M2
Digital Video Format MPEG-4, AVCHD AVCHD, H.264, XAVC S, XAVC HD
Image Recording Format JPEG, RAW, RAW + JPEG, MPO JPEG, RAW, RAW + JPEG
Max Video Resolution 1920 x 1080 3840 x 2160
Audio Signal Format - Dolby Digital AC-3 (2 channel), Linear PCM, AAC
Surround Sound Dolby Digital AC-3 (2 channel) recording -
Microphone Operation Mode Stereo Stereo
Microphone Features Wind noise reduction, sensitivity control -
MEMORY Panasonic Lumix G DMC-GX1 Sony Alpha99 II ILCA-99M2
Memory Card Slot SD card SD card, Memory Stick PRO Duo card / SD card
Supported Memory Cards SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card SD Memory Card, Memory Stick PRO Duo, Memory Stick PRO-HG Duo, microSD Card, microSDHC Card, Memory Stick Micro Mark2, microSDXC Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card
Memory Card Included - No
Image Storage JPEG 4592 x 3448
JPEG 3232 x 2424
JPEG 2272 x 1704
JPEG 1824 x 1368
JPEG 4576 x 3056
JPEG 3232 x 2160
JPEG 2272 x 1520
JPEG 1824 x 1216
JPEG 4576 x 2576
JPEG 3232 x 1824
JPEG 1920 x 1080
JPEG 1824 x 1024
JPEG 3424 x 3423
JPEG 2416 x 2416
JPEG 1712 x 1712
7952 x 5304
5168 x 3448
3984 x 2656
5168 x 3448
3984 x 2656
2592 x 1728
7952 x 4472
5168 x 2912
3984 x 2240
5168 x 2912
3984 x 2240
2592 x 1456
Video Capture MPEG-4 - 1920 x 1080
MPEG-4 - 1280 x 720
MPEG-4 - 640 x 480
AVCHD - 1920 x 1080
AVCHD - 1280 x 720
XAVC S - 3840 x 2160 p - 30 fps - 100Mbps
XAVC S - 3840 x 2160 p - 24 fps - 100Mbps
XAVC S - 3840 x 2160 p - 24 fps - 60Mbps
XAVC S HD - 1920 x 1080 p - 120 fps - 100Mbps
XAVC S HD - 1920 x 1080 p - 120 fps - 60Mbps
XAVC S HD - 1920 x 1080 p - 60 fps - 50Mbps
XAVC S HD - 1920 x 1080 p - 30 fps - 50Mbps
XAVC S HD - 1920 x 1080 p - 24 fps - 50Mbps
AVCHD - 1920 x 1080 p - 60 fps - 24Mbps
AVCHD - 1920 x 1080 i - 60 fps - 24Mbps
AVCHD - 1920 x 1080 i - 60 fps - 17Mbps
AVCHD - 1920 x 1080 p - 24 fps - 24Mbps
AVCHD - 1920 x 1080 p - 24 fps - 17Mbps
H.264 - 1920 x 1080 p - 60 fps - 28Mbps
H.264 - 1920 x 1080 p - 30 fps - 16Mbps
H.264 - 1280 x 720 p - 30 fps - 6Mbps
XAVC S - 3840 x 2160 p - 25 fps - 100Mbps
XAVC S - 3840 x 2160 p - 25 fps - 60Mbps
XAVC S HD - 1920 x 1080 p - 100 fps - 100Mbps
XAVC S HD - 1920 x 1080 p - 100 fps - 60Mbps
XAVC S HD - 1920 x 1080 p - 50 fps - 50Mbps
XAVC S HD - 1920 x 1080 p - 25 fps - 50Mbps
AVCHD - 1920 x 1080 p - 50 fps - 28Mbps
AVCHD - 1920 x 1080 i - 50 fps - 24Mbps
AVCHD - 1920 x 1080 i - 50 fps - 17Mbps
AVCHD - 1920 x 1080 p - 25 fps - 24Mbps
AVCHD - 1920 x 1080 p - 25 fps - 17Mbps
H.264 - 1920 x 1080 p - 50 fps - 28Mbps
H.264 - 1920 x 1080 p - 25 fps - 16Mbps
H.264 - 1280 x 720 p - 25 fps - 6Mbps
BATTERY AND CHARGING Panasonic Lumix G DMC-GX1 Sony Alpha99 II ILCA-99M2
Battery Type Lithium Ion - manufacturer-specific Sony NP-FM500H Lithium Ion
Details 1 x Li-ion rechargeable battery - 1010 mAh (included) Sony NP-FW50 Li-ion rechargeable battery (included)
Battery Life - Photo shooting - 490 shots (LCD Monitor on)
Video recording - 2.25 hours (LCD Monitor on)
CONNECTIONS Panasonic Lumix G DMC-GX1 Sony Alpha99 II ILCA-99M2
Interface Composite video/audio, HDMI, USB 2.0 HDMI, USB 2.0, IEEE 802.11b/g/n, NFC (Near Field Communication), Bluetooth 4.1
Connectivity Features - Remote control via mobile devices
Print Standard Direct print, Exif Print support, PictBridge support DPOF support, Exif Print support, PRINT Image Matching
Flash Terminal Hot shoe Hot shoe
Connector Type USB 2.0
Composite video/audio output
HDMI output
Remote control
USB 2.0
HDMI output (19 pin micro HDMI Type D)
Microphone (mini-phone stereo 3.5 mm)
FEATURES Panasonic Lumix G DMC-GX1 Sony Alpha99 II ILCA-99M2
Self-Timer Delay 10 sec, 2sec 10 sec, 2sec, 5 sec
Continuous Shooting Speed 2 frames per second, 3 frames per second, 4.2 frames per second, 20 frames per second (4MP) 4 frames per second, 8 frames per second, 12 frames per second, 6 frames per second
HDR Mode - Auto HDR mode
Additional Features Built-in speaker, RGB primary colour filter, digital noise reduction, date/time stamp, digital image rotation, camera orientation detection, histogram display, cropping an image, resizing an image, Scene Detection Technology, Intelligent Scene Selector, Intelligent Resolution Technology, face detection, Motion Detection Technology, Full-time Live View, Subject Detection technology, Face Recognition, Dolby Digital Stereo Creator, Intelligent Auto (iA), Intelligent D-range Control, text stamp Exposure compensation, built-in speaker, sharpness control, histogram display, auto exposure control, colour control, AE lock, AF lock, saturation control, Sweep Panorama technology, contrast control, Dynamic Range Optimizer, built-in help guide, Dolby Digital Stereo Creator, Chromatic Aberration Compensation (CAC), x.v.Colour technology, Multi-Frame Noise Reduction, Intelligent AUTO (iAUTO), Eye-Fi Card Ready, High ISO NR, Smart Teleconverter, Lens Distortion Compensation (LDC), Clear Image Zoom, noise reduction over long exposures, BRAVIA Sync function, PhotoTV HD, back illuminated sensor, High Dynamic Range (HDR), dual video recording, noise reduction
OTHERS Panasonic Lumix G DMC-GX1 Sony Alpha99 II ILCA-99M2
Included Accessories Battery charger, body cap, shoulder strap, USB cable Battery charger, body cap, shoulder strap, eyecup, shoe cap, micro-USB cable
Software Drivers & Utilities, SILKYPIX Developer Studio 3.1 SE, Panasonic PHOTOfunSTUDIO 7.0 HD Edition, Loilo LoiLoScope (Trial) -
Max Operating Temperature 40 °C 40 °C
Min Operating Temperature 0 °C 0 °C
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