Panasonic Lumix G DC-GX9K + 12-32mm vs. Sony Alpha7s III ILCE-7SM3

Camera Comparison, Reviews and Tests

In depth comparison and review of Panasonic Lumix G DC-GX9K + 12-32mm and Sony Alpha7s III ILCE-7SM3. 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 DC-GX9K + 12-32mm vs. Sony Alpha7s III ILCE-7SM3 Comparison Chart
DESIGN AND DIMENSIONS Panasonic Lumix G DC-GX9K + 12-32mm Sony Alpha7s III ILCE-7SM3
Product Type Digital camera - 4K - mirrorless system Digital camera - 4K - mirrorless system
Lens Included 12-32mm lens Body only
Height 7.21 cm 9.69 cm
Width 12.4 cm 12.89 cm
Depth 4.68 cm 8.08 cm
Weight 407 g 699 g
Weight Details Camera body only: 407 g
Camera with battery and memory card: 450 g
Camera with battery, memory card and H-FS12032 lens: 517 g
Camera with battery and memory card: 699 g
Body Material - Magnesium alloy
Enclosure Colour Black -
Protection - Dust-resistant, moisture-resistant
Digital Zoom - 4x
Optical Zoom 2.7x -
SENSOR Panasonic Lumix G DC-GX9K + 12-32mm Sony Alpha7s III ILCE-7SM3
Sensor Resolution 20.3 Megapixel 12.1 Megapixel
Optical Sensor Type Live MOS Exmor R CMOS
Total Pixels 21,770,000 pixels 12,900,000 pixels
Effective Sensor Resolution 20,300,000 pixels 12,100,000 pixels
Optical Sensor Size Four Thirds (17.3 x 13.0 mm) Full Frame (35.6 x 23.8 mm)
Frame Rate (Max Resolution) 30 fps 120 fps
Sensor Dust Reduction Yes Yes
Sensor Features Supersonic Wave Filter (SWF), OLPF-less architecture Dust Reduction (image sensor vibration), Anti-Dust coating
Image Stabiliser Optical (5-Axis Dual I.S. 2.0) Optical (5-axis Steady Shot)
Built-in Optical Image Stabiliser Yes Yes
Sensors Digital level metre Digital level metre
PROCESSOR Panasonic Lumix G DC-GX9K + 12-32mm Sony Alpha7s III ILCE-7SM3
Image Processor Venus Engine BIONZ XR
LENS Panasonic Lumix G DC-GX9K + 12-32mm Sony Alpha7s III ILCE-7SM3
Type Zoom lens - 2.7x zoom - 12 - 32 mm - f/3.5-5.6 G Vario -
Focal Length Equivalent to 35mm Camera 26 - 64mm -
Focus Adjustment Automatic, manual -
Min Focus Distance 20 cm -
Max View Angle 84 degree(s) -
Zoom Adjustment Motorised drive -
Lens Construction 7 groups / 8 elements -
Filter Size 37 mm -
Lens Mounting Type Micro Four Thirds Sony E-mount
Features ED glass, aspherical lens, Lens Barrel Retraction Function -
FOCUSING Panasonic Lumix G DC-GX9K + 12-32mm Sony Alpha7s III ILCE-7SM3
Auto Focus TTL contrast detection TTL contrast and phase detection
Auto Focus Points (Zones) Qty 49 759
Auto Focus Features Focus Peaking function, Depth From Defocus (DFD) technology Focus Peaking function, Predictive Focus Control
AE/AF Control Face-priority AF, Subject-tracking AF, Touch Area AF, Eye detection AF, Pinpoint AF Flex Focus Point, Face-priority AF, Subject-tracking AF, Eye detection AF
Face Detection Eye Detect AF, face-priority AF function Face Recognition, face-priority AF function
VIEWFINDER Panasonic Lumix G DC-GX9K + 12-32mm Sony Alpha7s III ILCE-7SM3
Viewfinder Type Electronic - LCD Built-in - electronic
Viewfinder Colour Support Colour Colour
Viewfinder Diagonal Size - 0.64"
Viewfinder Resolution 2,760,000 pixels 9,437,184 pixels
Optical Viewfinder Field Coverage 100% 100%
Optical Viewfinder Magnification 1.39x 0.9x
Optical Viewfinder Dioptric Correction Range -4 to +3 -4 to +3
Field of View Crop Factor 2 -
Features Tilting, auto eye sensor -
EXPOSURE & WHITE BALANCE Panasonic Lumix G DC-GX9K + 12-32mm Sony Alpha7s III ILCE-7SM3
ISO (Max) 25600 409600
Native ISO 200-12800 -
Extended ISO (Max) 25600 409600
Extended ISO (Min) 100 40
Light Sensitivity ISO 100, ISO 800, ISO 400, ISO 200, ISO 1600, ISO 6400, ISO 3200, ISO auto, ISO 12800, ISO 25600 ISO 204800, ISO 409600, ISO 80-102400, ISO 40
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 Focus bracketing, white balance bracketing, aperture bracketing Dynamic Range Bracketing
Special Effects Sepia, Vivid, Custom Effect, soft focus, natural, monochrome, 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, Standard, L. Monochrome, L. Monochrome D -
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, Underwater, 2500K - 9900K
Shutter Type Mechanical Mechanical electronically-controlled
Max Shutter Speed 1/32000 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, 7 steps in 1/3, 2/3 or 1 EV steps 3, 5 or 9 steps
White Balance Bracketing Yes -
X-sync Speed 1/200sec 1/250sec
Exposure Range EV 0-18 (ISO 100) EV -3-20 (ISO 100)
DISPLAY Panasonic Lumix G DC-GX9K + 12-32mm Sony Alpha7s III ILCE-7SM3
Type 3" LCD display 3" LCD display
Touch Screen - Yes
Display Format 1,240,000 pixels 1,440,000 pixels
Display Form Factor Folding Folding
Display Features Display brightness control, display colour control, display contrast control, display saturation control Display brightness control
FLASH Panasonic Lumix G DC-GX9K + 12-32mm Sony Alpha7s III ILCE-7SM3
Camera Flash Pop-up flash -
Guide Number (m / ISO 100) 4.2 -
Flash Modes Fill-in mode, slow synchro, auto mode, flash OFF mode, red-eye reduction -
Features Flash +/- compensation, wireless off-camera control -
VIDEOGRAPHY / CAMCORDER Panasonic Lumix G DC-GX9K + 12-32mm Sony Alpha7s III ILCE-7SM3
Digital Video Format AVCHD, H.264 H.264, XAVC S, H.265, XAVC HS
Image Recording Format JPEG, RAW, RAW + JPEG JPEG, RAW, RAW + JPEG
Max Video Resolution 3840 x 2160 3840 x 2160
Audio Signal Format Dolby Digital AC-3 (2 channel), AAC AAC
Microphone Operation Mode Stereo Stereo
Microphone Features Wind noise reduction -
MEMORY Panasonic Lumix G DC-GX9K + 12-32mm Sony Alpha7s III ILCE-7SM3
Memory Card Slot SD card Dual SD card, dual CFexpress
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, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card, SDHC UHS-II Memory Card, SDXC UHS-II Memory Card, CFexpress
Memory Card Included No No
Image Storage 5184 x 3888
5184 x 3456
5184 x 2920
3712 x 2784
3712 x 2480
3840 x 2160
2624 x 1968
2624 x 1752
1920 x 1080
3888 x 3888
2784 x 2784
1968 x 1968
3328 x 2496 - 4K PHOTO
3504 x 2336 - 4K PHOTO
3840 x 2160 - 4K PHOTO
2880 x 2880 - 4K PHOTO
JPEG 4240 x 2832
JPEG 2768 x 1848
JPEG 2128 x 1416
JPEG 1376 x 920
JPEG 3776 x 2832
JPEG 2464 x 1848
JPEG 1888 x 1416
JPEG 1232 x 920
JPEG 4240 x 2348
JPEG 2768 x 1550
JPEG 2128 x 1200
JPEG 1376 x 776
JPEG 2832 x 2832
JPEG 1840 x 1840
JPEG 1408 x 1408
JPEG 912 x 912
Video Capture H.264 - 3840 x 2160 p - 30 fps - 100Mbps
H.264 - 3840 x 2160 p - 25 fps - 100Mbps
H.264 - 3840 x 2160 p - 24 fps - 100Mbps
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 - 24 fps - 24Mbps
H.264 - 1920 x 1080 p - 60 fps - 28Mbps
H.264 - 1920 x 1080 p - 50 fps - 28Mbps
H.264 - 1920 x 1080 p - 30 fps - 20Mbps
H.264 - 1920 x 1080 p - 25 fps - 20Mbps
H.264 - 1280 x 720 p - 30 fps - 10Mbps
H.264 - 1280 x 720 p - 25 fps - 10Mbps
XAVC HS - 3840 x 2160 p - 120 fps
XAVC HS - 3840 x 2160 p - 60 fps
XAVC HS - 3840 x 2160 p - 100 fps - 200Mbps
XAVC HS - 3840 x 2160 p - 50 fps
XAVC HS - 3840 x 2160 p - 24 fps
XAVC S - 3840 x 2160 p - 120 fps
XAVC S - 3840 x 2160 p - 60 fps
XAVC S - 3840 x 2160 p - 30 fps
XAVC S - 3840 x 2160 p - 24 fps
XAVC S - 3840 x 2160 p - 100 fps
XAVC S - 3840 x 2160 p - 50 fps
XAVC S - 3840 x 2160 p - 25 fps
XAVC S HD - 1920 x 1080 p - 120 fps
XAVC S HD - 1920 x 1080 p - 60 fps
XAVC S HD - 1920 x 1080 p - 30 fps
XAVC S HD - 1920 x 1080 p - 24 fps
XAVC S HD - 1920 x 1080 p - 100 fps
XAVC S HD - 1920 x 1080 p - 50 fps
XAVC S HD - 1920 x 1080 p - 25 fps
BATTERY AND CHARGING Panasonic Lumix G DC-GX9K + 12-32mm Sony Alpha7s III ILCE-7SM3
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 - 510 shots (EVF on)
Photo shooting - 600 shots (LCD Monitor on)
Video recording - 80 minutes (EVF on)
Video recording - 135 minutes (LCD Monitor on)
CONNECTIONS Panasonic Lumix G DC-GX9K + 12-32mm Sony Alpha7s III ILCE-7SM3
Interface HDMI, USB 3.0, IEEE 802.11b/g/n, Bluetooth 4.2 HDMI, USB-C, Wireless LAN, NFC (Near Field Communication), Bluetooth 5.0
Connectivity Features Remote control via mobile devices, remote live view, QR code scanning Remote control via mobile devices, Wireless Image Transfer, PC Remote functions via Wi-Fi
Print Standard Direct print, Exif Print support, PictBridge support Exif Print support, PRINT Image Matching
Flash Terminal Hot shoe Hot shoe
Connector Type USB 2.0 (5 pin Micro-USB Type B)
HDMI output (19 pin micro HDMI Type D)
USB (USB Type-C)
HDMI output (19 pin HDMI Type A)
Microphone (mini-phone stereo 3.5 mm)
Headphones (mini-phone stereo 3.5 mm)
FEATURES Panasonic Lumix G DC-GX9K + 12-32mm Sony Alpha7s III ILCE-7SM3
Self-Timer Delay 10 sec, 2sec 10 sec, 2sec, 5 sec
Continuous Shooting Speed 2 frames per second, 9 frames per second, 6 frames per second 8 frames per second, 3 frames per second, 10 frames per second, 6 frames per second
Additional Features Audio recording, built-in speaker, date/time stamp, digital image rotation, histogram display, AE lock, AF lock, cropping an image, resizing an image, highlight point display, USB charging, in-camera RAW processing, Panorama Capture, text stamp, Time-Lapse recording, Light Speed AF, primary colour filter, Focus Stacking, Post Focus function Built-in speaker, digital image rotation, camera orientation detection, histogram display, shadow point display, interval shooting mode, highlight point display, Dynamic Range Optimizer, USB charging, built-in help guide, Chromatic Aberration Compensation (CAC), HDR image enhancement technology, Intelligent AUTO (iAUTO), fast motion recording, Lens Distortion Compensation (LDC), noise reduction over long exposures, high ISO speed noise reduction, silent shooting, BRAVIA Sync function, PhotoTV HD, GPS via mobile, slow motion recording, peripheral shading correction, anti-flicker, Hybrid Log-Gamma (HLG) recording
OTHERS Panasonic Lumix G DC-GX9K + 12-32mm Sony Alpha7s III ILCE-7SM3
Included Accessories Dust cap, body cap, lens cap, shoulder strap, AC power adaptor, USB cable, hot shoe cap -
Software Panasonic PHOTOfunSTUDIO 10.0 Premium Edition -
Max Operating Temperature 40 °C 40 °C
Min Operating Temperature 0 °C 0 °C
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