Panasonic Lumix G DMC-G3 vs. Sony Alpha7R III ILCE-7RM3

Camera Comparison, Reviews and Tests

Side by side comparison and review of Panasonic Lumix G DMC-G3 and Sony Alpha7R III ILCE-7RM3. Compare design, sensors, zoom functions, batteries and other key specifications and features to simplify the choice of your perfect digital camera. Our goal is to make it easier for you to decide on the camera that will best meet your expectations by revealing the main differences between the products.

Camera Specifications Comparison

Panasonic Lumix G DMC-G3 vs. Sony Alpha7R III ILCE-7RM3 Comparison Chart
DESIGN AND DIMENSIONS Panasonic Lumix G DMC-G3 Sony Alpha7R III ILCE-7RM3
Product Type Digital camera - mirrorless system Digital camera - 4K - mirrorless system
Lens Included Body only Body only
Height 8.36 cm 9.56 cm
Width 11.52 cm 12.69 cm
Depth 4.67 cm 7.37 cm
Weight 336 g 572 g
Weight Details - Camera body only: 572 g
Camera with battery and memory card: 675 g
Body Material - Magnesium alloy
Enclosure Colour Black Black
Protection - Dust-resistant, moisture-resistant
Digital Zoom 2x 4x
SENSOR Panasonic Lumix G DMC-G3 Sony Alpha7R III ILCE-7RM3
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 mm)
Frame Rate (Max Resolution) - 30 fps
Sensor Dust Reduction Yes Yes
Sensor Features Supersonic Wave Filter (SWF) Dust Reduction (image sensor vibration), Anti-Dust coating
Image Stabiliser - Optical (5-axis Steady Shot)
Built-in Optical Image Stabiliser - Yes
Sensors - Digital level metre
PROCESSOR Panasonic Lumix G DMC-G3 Sony Alpha7R III ILCE-7RM3
Image Processor Venus Engine FHD BIONZ X
LENS Panasonic Lumix G DMC-G3 Sony Alpha7R III ILCE-7RM3
Lens Mounting Type Micro Four Thirds Sony E-mount
FOCUSING Panasonic Lumix G DMC-G3 Sony Alpha7R III ILCE-7RM3
Auto Focus TTL contrast detection TTL contrast and phase detection
Auto Focus Points (Zones) Qty 23 399
Auto Focus Features - Focus Peaking function, Predictive Focus Control
AE/AF Control - Flex Focus Point, Eye detection AF, Zone AF
Face Detection Yes Eye Detect AF, face-priority AF function
VIEWFINDER Panasonic Lumix G DMC-G3 Sony Alpha7R III ILCE-7RM3
Viewfinder Type Electronic - LCD Electronic - OLED
Viewfinder Colour Support Colour Colour
Viewfinder Diagonal Size - 0.5"
Viewfinder Resolution 1,440,000 pixels 3,686,400 pixels
Optical Viewfinder Field Coverage 100% 100%
Optical Viewfinder Magnification 0.70x 0.78x
Optical Viewfinder Dioptric Correction Range -4 to +4 -4 to +3
Field of View Crop Factor 2 -
Features - Viewfinder brightness control, colour temperature control
EXPOSURE & WHITE BALANCE Panasonic Lumix G DMC-G3 Sony Alpha7R III ILCE-7RM3
ISO (Max) 6400 102400
Light Sensitivity ISO 800, ISO 400, ISO 200, ISO 160, ISO 1600, ISO 6400, ISO 3200, ISO auto ISO 50, ISO 102400, ISO auto (100-12800), ISO 100-32000
Exposure Metering Multi-segment, centre-weighted, spot Multi-segment, centre-weighted, spot
Exposure Metering Zones 144 1200
Exposure Modes Programme, bulb, manual, aperture-priority, shutter-priority Bulb, automatic, manual, aperture-priority, shutter-priority
Bracketing Modes - Dynamic Range Bracketing, white balance bracketing
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 -
Special Effects Vivid, Custom Effect, natural, monochrome, portrait, Scenery Black & White, Sepia, Neutral, Vivid, sunset, landscape, portrait, clear, deep, light, autumn leaves, Retro, partial colour, Toy camera, Posterisation, High contrast monochrome, Pop Colour, Soft High-key, Night Scene, Standard, Style Box, Posterisation (B/W)
White Balance Custom, automatic, presets Custom, automatic, presets
White Balance Presets Incandescent, cloudy, Flash, daylight, shade, 2500K - 10000K (100K steps) Incandescent, cloudy, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Underwater, 2500K - 9900K, fluorescent light (daylight white)
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 - 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 -3-20 (ISO 100)
DISPLAY Panasonic Lumix G DMC-G3 Sony Alpha7R III ILCE-7RM3
Type 3" LCD display 3" LCD display
Touch Screen Yes Yes
Display Format 460,000 pixels 1,440,000 pixels
Display Form Factor Rotating Folding
Display Features Display brightness control, display colour control Display brightness control, Peaking AF display, Touch AF
FLASH Panasonic Lumix G DMC-G3 Sony Alpha7R III ILCE-7RM3
Camera Flash Pop-up flash -
Guide Number (m / ISO 100) 10.5 -
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 AF illuminator
VIDEOGRAPHY / CAMCORDER Panasonic Lumix G DMC-G3 Sony Alpha7R III ILCE-7RM3
Digital Video Format MJPEG, AVCHD AVCHD, XAVC S
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
Microphone Operation Mode Stereo Stereo
Microphone Features Wind noise reduction, sensitivity control -
MEMORY Panasonic Lumix G DMC-G3 Sony Alpha7R III ILCE-7RM3
Memory Card Slot SD card Memory Stick PRO Duo card, SD card
Supported Memory Cards SD Memory Card, SDXC Memory Card, SDHC Memory Card SD Memory Card, Memory Stick PRO Duo, SDXC Memory Card, SDHC Memory Card, Memory Stick PRO-HG Duo, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card, SDHC UHS-II Memory Card, SDXC UHS-II Memory Card
Memory Card Included - No
Image Storage JPEG 4592 x 3448
JPEG 4576 x 3056
JPEG 4576 x 2576
JPEG 3232 x 2424
JPEG 3232 x 2160
JPEG 3232 x 1824
JPEG 2272 x 1704
JPEG 2272 x 1520
JPEG 1920 x 1080
JPEG 1824 x 1368
JPEG 1824 x 1216
JPEG 1824 x 1024
JPEG 3424 x 3424
JPEG 2416 x 2416
JPEG 1712 x 1712
7952 x 5304
7952 x 4472
5168 x 3448
5168 x 2912
3984 x 2656
3984 x 2240
2592 x 1728
2592 x 1456
Video Capture AVCHD - 1920 x 1080 - 60 fps
AVCHD - 1920 x 1080 - 50 fps
AVCHD - 1280 x 720 - 60 fps
AVCHD - 1280 x 720 - 50 fps
MJPEG - 848 x 480 - 30 fps
MJPEG - 640 x 480 - 30 fps
MJPEG - 320 x 240 - 30 fps
AVCHD - 1920 x 1080 i - 60 fps - 24Mbps
AVCHD - 1920 x 1080 i - 60 fps - 17Mbps
AVCHD - 1920 x 1080 i - 50 fps - 24Mbps
AVCHD - 1920 x 1080 i - 50 fps - 17Mbps
XAVC S - 3840 x 2160 p - 30 fps - 100Mbps
XAVC S - 3840 x 2160 p - 24 fps - 100Mbps
XAVC S - 3840 x 2160 p - 30 fps - 60Mbps
XAVC S - 3840 x 2160 p - 24 fps - 60Mbps
XAVC S - 1920 x 1080 p - 60 fps - 100Mbps
XAVC S - 1920 x 1080 p - 120 fps - 60Mbps
XAVC S - 1920 x 1080 p - 60 fps - 50Mbps
XAVC S - 1920 x 1080 p - 30 fps - 50Mbps
XAVC S - 1920 x 1080 p - 24 fps - 50Mbps
XAVC S - 1920 x 1080 p - 60 fps - 25Mbps
XAVC S - 1920 x 1080 p - 30 fps - 16Mbps
XAVC S - 3840 x 2160 p - 25 fps - 100Mbps
XAVC S - 3840 x 2160 p - 25 fps - 60Mbps
XAVC S - 1920 x 1080 p - 100 fps - 100Mbps
XAVC S - 1920 x 1080 p - 100 fps - 60Mbps
XAVC S - 1920 x 1080 p - 50 fps - 50Mbps
XAVC S - 1920 x 1080 p - 25 fps - 50Mbps
XAVC S - 1920 x 1080 p - 50 fps - 25Mbps
XAVC S - 1920 x 1080 p - 25 fps - 16Mbps
BATTERY AND CHARGING Panasonic Lumix G DMC-G3 Sony Alpha7R III ILCE-7RM3
Battery Type Lithium Ion - manufacturer-specific Sony NP-FZ100 Lithium Ion
Details 1 x Li-ion rechargeable battery - 1010 mAh (included) Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (included)
Battery Life - Photo shooting - 650 shots (LCD Monitor on)
Photo shooting - 530 shots (EVF on)
Video recording - 1.92 hours (LCD Monitor on)
Video recording - 1.67 hours (EVF on)
CONNECTIONS Panasonic Lumix G DMC-G3 Sony Alpha7R III ILCE-7RM3
Interface Composite video/audio, HDMI, USB 2.0 HDMI, USB 2.0, USB-C, IEEE 802.11b/g/n, NFC (Near Field Communication), Bluetooth 4.1
Connectivity Features - Remote live view
Print Standard Direct print, DPOF support, Exif Print support, PictBridge support DPOF support, Exif Print support, PRINT Image Matching
Flash Terminal Hot shoe Hot shoe, PC terminal
Connector Type USB 2.0
Composite video/audio output
HDMI output
Remote control
USB 2.0 (5 pin Micro-USB Type B)
USB 3.1 (USB Type-C)
HDMI output (19 pin micro HDMI Type D)
Microphone (mini-phone stereo 3.5 mm)
Headphones (mini-phone stereo 3.5 mm)
FEATURES Panasonic Lumix G DMC-G3 Sony Alpha7R III ILCE-7RM3
Self-Timer Delay 10 sec, 2sec 10 sec, 2sec, 5 sec
Continuous Shooting Speed 2 frames per second, 4 frames per second, 3 frames per second, 20 frames per second (4MP) 8 frames per second, 3 frames per second, 10 frames per second, 6 frames per second
HDR Mode - HDR Movie mode
Additional Features Audio recording, built-in speaker, RGB primary colour filter, date/time stamp, digital image rotation, histogram display, in-camera red-eye removal, cropping an image, resizing an image, Scene Detection Technology, Intelligent Scene Selector, Object Detection, AF/AE tracking, Intelligent Resolution Technology, face detection, Motion Detection Technology, Full-time Live View, Face Recognition, Dolby Digital Stereo Creator, Intelligent Auto (iA), Intelligent D-range Control Built-in speaker, sharpness control, camera orientation detection, histogram display, saturation control, contrast control, Dynamic Range Optimizer, USB charging, built-in help guide, Dolby Digital Stereo Creator, x.v.Colour technology, HDR image enhancement technology, Clear Image Zoom, noise reduction over long exposures, Lens Distortion Correction, silent shooting, GPS via mobile, S-Log2 gamma setting, Pixel Shift Resolution technology, peripheral shading correction, chromatic aberration correction, anti-flicker, Hybrid Log-Gamma (HLG) recording, S-Log3 gamma setting
OTHERS Panasonic Lumix G DMC-G3 Sony Alpha7R III ILCE-7RM3
Included Accessories Battery charger, body cap, shoulder strap, USB cable, pen stylus, audio / video cable Eyepiece cover, battery charger, body cap, shoulder strap, shoe cap, cable protector, USB-C cable
Software Drivers & Utilities, SILKYPIX Developer Studio 3.1 SE, Loilo Super Loiloscope, Panasonic PHOTOfunSTUDIO 6.2 HD Edition -
Max Operating Temperature 40 °C 40 °C
Min Operating Temperature 0 °C 0 °C
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