Panasonic Lumix G DMC-GX8 vs. Sony Alpha7R IV ILCE-7RM4

Camera Comparison, Reviews and Tests

Side by side comparison and review of Panasonic Lumix G DMC-GX8 and Sony Alpha7R IV ILCE-7RM4. 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-GX8 vs. Sony Alpha7R IV ILCE-7RM4 Comparison Chart
DESIGN AND DIMENSIONS Panasonic Lumix G DMC-GX8 Sony Alpha7R IV ILCE-7RM4
Product Type Digital camera - 4K - mirrorless system Digital camera - 4K - mirrorless system
Lens Included Body only Body only
Height 7.79 cm 9.64 cm
Width 13.32 cm 12.89 cm
Depth 6.31 cm 7.75 cm
Weight 435 g 665 g
Weight Details - Camera body only:
Camera with battery and memory card: 665 g
Enclosure Colour Silver | Black Black
Protection Splashproof -
Digital Zoom 4x -
SENSOR Panasonic Lumix G DMC-GX8 Sony Alpha7R IV ILCE-7RM4
Sensor Resolution 20.3 Megapixel 61 Megapixel
Optical Sensor Type Live MOS Exmor R CMOS
Total Pixels 21,770,000 pixels 62,500,000 pixels
Effective Sensor Resolution 20,300,000 pixels 61,000,000 pixels
Optical Sensor Size Four Thirds (17.3 x 13.0 mm) Full Frame (35.7 x 23.8 mm)
Frame Rate (Max Resolution) 25 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-GX8 Sony Alpha7R IV ILCE-7RM4
Image Processor - BIONZ X
LENS Panasonic Lumix G DMC-GX8 Sony Alpha7R IV ILCE-7RM4
Lens Mounting Type Micro Four Thirds Sony E-mount
FOCUSING Panasonic Lumix G DMC-GX8 Sony Alpha7R IV ILCE-7RM4
Auto Focus TTL contrast detection TTL contrast and phase detection
Auto Focus Points (Zones) Qty 49 567
Auto Focus Features Focus Peaking function Predictive Focus Control, Focus Priority in Aperture Drive
AE/AF Control Face-priority AF, Subject-tracking AF, Touch Area AF Zone AF, Real-time Eye AF, Real-time Tracking AF
Face Detection Yes Eye Detect AF, face-priority AF function
VIEWFINDER Panasonic Lumix G DMC-GX8 Sony Alpha7R IV ILCE-7RM4
Viewfinder Type Electronic - OLED Electronic - OLED
Viewfinder Colour Support Colour Colour
Viewfinder Diagonal Size - 0.5"
Viewfinder Resolution 2,360,000 pixels 5,760,000 pixels
Optical Viewfinder Field Coverage 100% 100%
Optical Viewfinder Magnification 1.54x 0.78x
Optical Viewfinder Dioptric Correction Range -4 to +3 -4 to +3
Field of View Crop Factor 2 -
Features Auto eye sensor Viewfinder brightness control, colour temperature control
EXPOSURE & WHITE BALANCE Panasonic Lumix G DMC-GX8 Sony Alpha7R IV ILCE-7RM4
ISO (Max) 25600 32000
Native ISO - 100-32000
Extended ISO (Max) - 102400
Extended ISO (Min) - 50
Light Sensitivity ISO 100, ISO 800, 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, average
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
Special Effects Sepia, Vivid, natural, monochrome, landscape, portrait, Cross Process, Retro, Expressive, high dynamic, Bleach Bypass, Selective Colour, High Key, Low Key, Toy effect, Star Filter, Impressive Art, One Point Colour, Dynamic Monochrome, Sunshine, Old Days, Toy Pop, 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 Cloudy, tungsten light, 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 - Electronic, mechanical electronically-controlled
Max Shutter Speed 1/8000 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 1/125sec 1/250sec
Exposure Range EV 0-18 (ISO 100) EV -3-20 (ISO 100)
Retouch Clear Retouch function -
DISPLAY Panasonic Lumix G DMC-GX8 Sony Alpha7R IV ILCE-7RM4
Type 3" OLED 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-GX8 Sony Alpha7R IV ILCE-7RM4
Camera Flash Pop-up flash -
Flash Modes Fill-in mode, slow synchro, auto mode, flash OFF mode, red-eye reduction -
Red-Eye Reduction Yes -
Features AF illuminator -
VIDEOGRAPHY / CAMCORDER Panasonic Lumix G DMC-GX8 Sony Alpha7R IV ILCE-7RM4
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 3840 x 2160 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-GX8 Sony Alpha7R IV ILCE-7RM4
Memory Card Slot SD card Dual 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, 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
Memory Card Included No No
Image Storage 5184 x 3888
3712 x 2784
2624 x 1968
MPO 1824 x 1368 - 3D mode
5184 x 3456
3712 x 2480
2624 x 1752
MPO 1824 x 1216 - 3D mode
5184 x 2920
3840 x 2160
1920 x 1080
MPO 1824 x 1024 - 3D mode
3888 x 3888
2784 x 2784
1968 x 1968
MPO 1712 x 1712 - 3D mode
9504 x 6336
8448 x 6336
9504 x 5344
6240 x 4160
5552 x 4160
6240 x 3512
4752 x 3168
4224 x 3168
4752 x 2672
3120 x 2080
2768 x 2080
3120 x 1752
6336 x 6336
4160 x 4160
3168 x 3168
2080 x 2080
Video Capture AVCHD - 3840 x 2160 - 25 fps - 100Mbps
AVCHD - 3840 x 2160 - 24 fps - 100Mbps
AVCHD - 1920 x 1080 - 50 fps - 28Mbps
AVCHD - 1920 x 1080 - 25 fps - 20Mbps
AVCHD - 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 - 120 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-GX8 Sony Alpha7R IV ILCE-7RM4
Battery Type Lithium Ion - manufacturer-specific Sony NP-FZ100 Lithium Ion
Details Li-ion rechargeable battery - 1200 mAh (included) Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (included)
Battery Life Photo shooting - 330 shots Photo shooting - 670 shots (LCD Monitor on)
Photo shooting - 530 shots (EVF on)
Video recording - 170 minutes (LCD Monitor on)
Video recording - 160 minutes (EVF on)
CONNECTIONS Panasonic Lumix G DMC-GX8 Sony Alpha7R IV ILCE-7RM4
Interface Composite video/audio, HDMI, USB 2.0, IEEE 802.11b/g/n, NFC (Near Field Communication) HDMI, USB 2.0, USB-C, NFC (Near Field Communication), IEEE 802.11a/b/g/n/ac, Bluetooth 4.1
Connectivity Features Remote control via mobile devices, remote live view Remote control via mobile devices, remote live view, PC Remote functions via Wi-Fi
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 (19 pin micro HDMI Type D)
Remote control (sub-mini phone 2.5 mm)
Microphone (sub-mini phone stereo 2.5 mm)
USB 2.0 (5 pin Micro-USB Type B)
USB 3.2 Gen 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-GX8 Sony Alpha7R IV ILCE-7RM4
Self-Timer Delay 10 sec, 2sec 10 sec, 2sec, 5 sec
Continuous Shooting Speed 2 frames per second, 8 frames per second, 10 frames per second, 6 frames per second, 5.5 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, Dolby Digital Stereo Creator, Intelligent Auto (iA), Intelligent D-range Control, HDR image enhancement technology, 3D photo shooting, 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, x.v.Colour technology, Clear Image Zoom, noise reduction over long exposures, Lens Distortion Correction, high ISO speed noise reduction, silent shooting, 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, PC Remote functions via USB
OTHERS Panasonic Lumix G DMC-GX8 Sony Alpha7R IV ILCE-7RM4
Included Accessories Battery charger, body cap, shoulder strap, USB cable, power cable, hot shoe cap, housing cover Eyepiece cover, battery charger, body cap, shoulder strap, shoe cap, cable protector, USB-C cable
Software Drivers & Utilities, Loilo LoiLoScope (Trial), Panasonic PHOTOfunSTUDIO 9.7 Premium Edition, SILKYPIX Developer Studio 4.3 SE -
Max Operating Temperature 40 °C 40 °C
Min Operating Temperature 0 °C 0 °C
Service & Support - Limited warranty - parts and labour - 1 year
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