Panasonic Lumix G DMC-GX7K + 14-42mm vs. Sony Alpha7R III ILCE-7RM3

Camera Comparison, Reviews and Tests

Detailed comparison and review of Panasonic Lumix G DMC-GX7K + 14-42mm and Sony Alpha7R III ILCE-7RM3. With our comprehensive overview, you can simply compare design, sensors, proximity characteristics, memory capacities, but also other key features of both cameras and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the camera that best fits your needs and expectations.

Camera Specifications Comparison

Panasonic Lumix G DMC-GX7K + 14-42mm vs. Sony Alpha7R III ILCE-7RM3 Comparison Chart
DESIGN AND DIMENSIONS Panasonic Lumix G DMC-GX7K + 14-42mm Sony Alpha7R III ILCE-7RM3
Product Type Digital camera - 1080p - mirrorless system Digital camera - 4K - mirrorless system
Lens Included 14-42mm lens Body only
Height 7.07 cm 9.56 cm
Width 12.26 cm 12.69 cm
Depth 5.46 cm 7.37 cm
Weight 360 g 572 g
Weight Details - Camera body only: 572 g
Camera with battery and memory card: 675 g
Body Material Magnesium alloy Magnesium alloy
Enclosure Colour Black Black
Protection - Dust-resistant, moisture-resistant
Digital Zoom 4x 4x
Optical Zoom 3x -
SENSOR Panasonic Lumix G DMC-GX7K + 14-42mm Sony Alpha7R III ILCE-7RM3
Sensor Resolution 16.0 Megapixel 42.4 Megapixel
Optical Sensor Type Live MOS Exmor R CMOS
Total Pixels 16,840,000 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) 50 fps 30 fps
Sensor Dust Reduction Yes Yes
Sensor Features Supersonic Wave Filter (SWF) Dust Reduction (image sensor vibration), Anti-Dust coating
Image Stabiliser Optical (image sensor shift mechanism) Optical (5-axis Steady Shot)
Built-in Optical Image Stabiliser Yes Yes
Sensors Digital level metre Digital level metre
PROCESSOR Panasonic Lumix G DMC-GX7K + 14-42mm Sony Alpha7R III ILCE-7RM3
Image Processor Venus Engine BIONZ X
LENS Panasonic Lumix G DMC-GX7K + 14-42mm Sony Alpha7R III ILCE-7RM3
Type Zoom lens - 3x zoom - 14 - 42 mm - f/3.5-5.6 G II -
Focal Length Equivalent to 35mm Camera 28 - 84mm -
Focus Adjustment Automatic, manual -
Min Focus Distance 20 cm -
Max View Angle 75 degree(s) -
Zoom Adjustment Manual -
Lens Construction 8 groups / 9 elements -
Filter Size 46 mm -
Lens Mounting Type Micro Four Thirds Sony E-mount
Features Internal focusing system, aspherical lens, Stepping Motor (STM) technology -
FOCUSING Panasonic Lumix G DMC-GX7K + 14-42mm 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, Manual Focus Check Live View Focus Peaking function, Predictive Focus Control
AE/AF Control Face-priority AF, Subject-tracking AF, Touch Area AF Flex Focus Point, Eye detection AF, Zone AF
Face Detection Yes Eye Detect AF, face-priority AF function
VIEWFINDER Panasonic Lumix G DMC-GX7K + 14-42mm Sony Alpha7R III ILCE-7RM3
Viewfinder Type Electronic - LCD Electronic - OLED
Viewfinder Colour Support Colour Colour
Viewfinder Diagonal Size - 0.5"
Viewfinder Resolution 2,764,800 pixels 3,686,400 pixels
Optical Viewfinder Field Coverage 100% 100%
Optical Viewfinder Magnification 1.39x 0.78x
Optical Viewfinder Dioptric Correction Range -4 to +3 -4 to +3
Field of View Crop Factor 2 -
Features Tilting, auto eye sensor Viewfinder brightness control, colour temperature control
EXPOSURE & WHITE BALANCE Panasonic Lumix G DMC-GX7K + 14-42mm Sony Alpha7R III ILCE-7RM3
ISO (Max) 25600 102400
Native ISO 200-12800 -
Extended ISO (Max) 25600 -
Extended ISO (Min) 100 -
Light Sensitivity ISO 800, ISO 125, ISO 400, ISO 200, ISO 1600, ISO 6400, ISO 3200, ISO auto, ISO 12800, ISO 25600 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 1728 1200
Exposure Modes Programme, bulb, automatic, manual, aperture-priority, shutter-priority Bulb, automatic, manual, aperture-priority, shutter-priority
Bracketing Modes - Dynamic Range Bracketing, white balance bracketing
Shooting Programs Multiple exposure, monochrome, clear portrait, silky skin, backlit softness, clear in backlight, relaxing tone, sweet child's face, distinct scenery, bright blue sky, romantic sunset glow, vivid sunset glow, glistening water, clear nightscape, cool night sky, warm glowing nightscape, artistic nightscape, glittering illuminations, clear night portrait, soft image of a flower, appetising food, cute dessert, freeze animal motion, clear sports shot -
Special Effects Sepia, Black & White Red filter, Black & White Yellow filter, Vivid, Black & White Orange filter, soft focus, natural, monochrome, Black & White Green filter, portrait, miniature, Cross Process, Retro, Expressive, high dynamic, Bleach Bypass, High Key, Low Key, Scenery, Toy effect, Star Filter, Impressive Art, One Point Colour, Dynamic Monochrome, Sunshine, Old Days, Toy Pop, Fantasy, Rough Monochrome, Silky Monochrome 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)
Shutter Type Mechanical -
Max Shutter Speed 1/8000 sec 1/8000 sec
Min Shutter Speed 120 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 1/320 sec 1/250sec
Exposure Range EV 0-18 (ISO 100) EV -3-20 (ISO 100)
Retouch Clear Retouch function -
DISPLAY Panasonic Lumix G DMC-GX7K + 14-42mm Sony Alpha7R III ILCE-7RM3
Type 3" LCD display 3" LCD display
Touch Screen Yes Yes
Display Format 1,040,000 pixels 1,440,000 pixels
Display Form Factor Folding Folding
Display Features Display brightness control, display colour control, display contrast control, Touch AE, Touch AF Display brightness control, Peaking AF display, Touch AF
FLASH Panasonic Lumix G DMC-GX7K + 14-42mm Sony Alpha7R III ILCE-7RM3
Camera Flash Pop-up flash -
Guide Number (m / ISO 100) 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 AF illuminator
VIDEOGRAPHY / CAMCORDER Panasonic Lumix G DMC-GX7K + 14-42mm Sony Alpha7R III ILCE-7RM3
Digital Video Format AVCHD, H.264 AVCHD, XAVC S
Image Recording Format JPEG, RAW, RAW + JPEG, MPO, MPO + JPEG JPEG, RAW, RAW + JPEG
Max Video Resolution 1920 x 1080 3840 x 2160
Audio Signal Format - Dolby Digital AC-3 (2 channel), Linear PCM
Surround Sound Dolby Digital AC-3 (2 channel) recording -
Microphone Operation Mode Stereo Stereo
Microphone Features Wind noise reduction -
MEMORY Panasonic Lumix G DMC-GX7K + 14-42mm 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, SDHC UHS-I Memory Card, SDXC UHS-I 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 No
Image Storage 4592 x 3448
3232 x 2424
2272 x 1704
MPO 1824 x 1368 - 3D mode
4592 x 3064
3232 x 2160
2272 x 1520
MPO 1824 x 1216 - 3D mode
4592 x 2584
3232 x 1824
1920 x 1080
MPO 1824 x 1024 - 3D mode
3424 x 3424
2416 x 2416
1712 x 1712
MPO 1712 x 1712 - 3D mode
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 - 50 fps - 28Mbps
AVCHD - 1920 x 1080 - 50 fps - 24Mbps
AVCHD - 1920 x 1080 - 50 fps - 17Mbps
AVCHD - 1280 x 720 - 50 fps - 17Mbps
AVCHD - 1920 x 1080 - 24 fps - 24Mbps
H.264 - 1920 x 1080 - 50 fps - 28Mbps
H.264 - 1920 x 1080 - 25 fps - 20Mbps
H.264 - 1280 x 720 - 25 fps - 10Mbps
H.264 - 640 x 480 - 25 fps - 4Mbps
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-GX7K + 14-42mm Sony Alpha7R III ILCE-7RM3
Battery Type Lithium Ion - manufacturer-specific Sony NP-FZ100 Lithium Ion
Details Li-ion rechargeable battery - 1025 mAh (included) Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (included)
Battery Life Photo shooting - 320 shots (with 20mm lens)
Photo shooting - 350 shots (with 14-42mm lens)
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-GX7K + 14-42mm Sony Alpha7R III ILCE-7RM3
Interface Composite video/audio, HDMI, USB 2.0, IEEE 802.11b/g/n, NFC (Near Field Communication) HDMI, USB 2.0, USB-C, IEEE 802.11b/g/n, NFC (Near Field Communication), Bluetooth 4.1
Connectivity Features Remote control via mobile devices, remote live view Remote live view
Print Standard Direct print, 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-GX7K + 14-42mm 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, 4.3 frames per second, 5 frames per second, 10 frames per second, 40 frames per second 8 frames per second, 3 frames per second, 10 frames per second, 6 frames per second
HDR Mode - HDR Movie mode
Additional Features Built-in speaker, RGB primary colour filter, digital image rotation, histogram display, cropping an image, resizing an image, in-camera film editing, Intelligent Resolution Technology, 24p Cinema Mode, Dolby Digital Stereo Creator, Intelligent Auto (iA), Intelligent D-range Control, HDR image enhancement technology, text stamp, Touch Shutter technology, Multi-process Noise Reduction, Time-Lapse recording, Light Speed AF, silent shooting, Creative Panorama function 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-GX7K + 14-42mm Sony Alpha7R III ILCE-7RM3
Included Accessories Lens hood, battery charger, dust cap, body cap, lens cap, shoulder strap, USB 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 LoiLoScope (Trial), Panasonic PHOTOfunSTUDIO 9.2 Premium Edition -
Max Operating Temperature 40 °C 40 °C
Min Operating Temperature 0 °C 0 °C
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