Panasonic Lumix G DMC-GX7C + 20mm Pancake vs. Sony Alpha7s III ILCE-7SM3

Camera Comparison, Reviews and Tests

In depth comparison and review of Panasonic Lumix G DMC-GX7C + 20mm Pancake 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 DMC-GX7C + 20mm Pancake vs. Sony Alpha7s III ILCE-7SM3 Comparison Chart
DESIGN AND DIMENSIONS Panasonic Lumix G DMC-GX7C + 20mm Pancake Sony Alpha7s III ILCE-7SM3
Product Type Digital camera - mirrorless system Digital camera - 4K - mirrorless system
Lens Included 20mm Pancake lens Body only
Height 7.07 cm 9.69 cm
Width 12.26 cm 12.89 cm
Depth 5.46 cm 8.08 cm
Weight 360 g 699 g
Weight Details - Camera with battery and memory card: 699 g
Body Material Magnesium alloy Magnesium alloy
Enclosure Colour Black | Silver -
Protection - Dust-resistant, moisture-resistant
Digital Zoom 4x 4x
SENSOR Panasonic Lumix G DMC-GX7C + 20mm Pancake Sony Alpha7s III ILCE-7SM3
Sensor Resolution 16.0 Megapixel 12.1 Megapixel
Optical Sensor Type Live MOS Exmor R CMOS
Total Pixels 16,840,000 pixels 12,900,000 pixels
Effective Sensor Resolution 16,000,000 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) - 120 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-GX7C + 20mm Pancake Sony Alpha7s III ILCE-7SM3
Image Processor Venus Engine BIONZ XR
LENS Panasonic Lumix G DMC-GX7C + 20mm Pancake Sony Alpha7s III ILCE-7SM3
Type Wide-angle lens 20 f/1.7 G II -
Focal Length Equivalent to 35mm Camera 40mm -
Focus Adjustment Automatic, manual -
Min Focus Distance 20 cm -
Max View Angle 57 degree(s) -
Lens Construction 5 groups / 7 elements -
Filter Size 46 mm -
Lens Mounting Type Micro Four Thirds Sony E-mount
Features Aspherical lens -
FOCUSING Panasonic Lumix G DMC-GX7C + 20mm Pancake Sony Alpha7s III ILCE-7SM3
Auto Focus TTL contrast detection TTL contrast and phase detection
Auto Focus Points (Zones) Qty 23 759
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, Face-priority AF, Subject-tracking AF, Eye detection AF
Face Detection Yes Face Recognition, face-priority AF function
VIEWFINDER Panasonic Lumix G DMC-GX7C + 20mm Pancake Sony Alpha7s III ILCE-7SM3
Viewfinder Type Electronic - LCD Built-in - electronic
Viewfinder Colour Support Colour Colour
Viewfinder Diagonal Size - 0.64"
Viewfinder Resolution 2,764,800 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 DMC-GX7C + 20mm Pancake 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 800, ISO 125, 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 - Dynamic Range 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 -
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 1/8000 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 or 9 steps
White Balance Bracketing 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-GX7C + 20mm Pancake Sony Alpha7s III ILCE-7SM3
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
FLASH Panasonic Lumix G DMC-GX7C + 20mm Pancake Sony Alpha7s III ILCE-7SM3
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 -
VIDEOGRAPHY / CAMCORDER Panasonic Lumix G DMC-GX7C + 20mm Pancake 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, MPO, MPO + JPEG JPEG, RAW, RAW + JPEG
Max Video Resolution 1920 x 1080 3840 x 2160
Audio Signal Format - AAC
Surround Sound Dolby Digital AC-3 (2 channel) recording -
Microphone Operation Mode Stereo Stereo
Microphone Features Wind noise reduction -
MEMORY Panasonic Lumix G DMC-GX7C + 20mm Pancake 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
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
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 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
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 DMC-GX7C + 20mm Pancake 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 - 320 shots (with 20mm lens)
Photo shooting - 350 shots (with 14-42mm lens)
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 DMC-GX7C + 20mm Pancake Sony Alpha7s III ILCE-7SM3
Interface Composite video/audio, HDMI, USB 2.0, IEEE 802.11b/g/n, NFC (Near Field Communication) HDMI, USB-C, Wireless LAN, NFC (Near Field Communication), Bluetooth 5.0
Connectivity Features Remote control via mobile devices, remote live view 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
Composite video/audio output
HDMI output
Remote control
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 DMC-GX7C + 20mm Pancake Sony Alpha7s III ILCE-7SM3
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
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, 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 DMC-GX7C + 20mm Pancake Sony Alpha7s III ILCE-7SM3
Included Accessories Battery charger, dust cap, body cap, lens cap, shoulder strap, USB 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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