Panasonic Lumix G DMC-GX1 vs. Sony Alpha7R IV ILCE-7RM4

Camera Comparison, Reviews and Tests

In depth comparison and review of Panasonic Lumix G DMC-GX1 and Sony Alpha7R IV ILCE-7RM4. 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-GX1 vs. Sony Alpha7R IV ILCE-7RM4 Comparison Chart
DESIGN AND DIMENSIONS Panasonic Lumix G DMC-GX1 Sony Alpha7R IV ILCE-7RM4
Product Type Digital camera - 1080i - mirrorless system Digital camera - 4K - mirrorless system
Lens Included Body only Body only
Height 6.8 cm 9.64 cm
Width 11.6 cm 12.89 cm
Depth 3.9 cm 7.75 cm
Weight 272 g 665 g
Weight Details - Camera body only:
Camera with battery and memory card: 665 g
Enclosure Colour Black | Silver Black
Digital Zoom 4x -
SENSOR Panasonic Lumix G DMC-GX1 Sony Alpha7R IV ILCE-7RM4
Sensor Resolution 16.0 Megapixel 61 Megapixel
Optical Sensor Type Live MOS Exmor R CMOS
Total Pixels 16,680,000 pixels 62,500,000 pixels
Effective Sensor Resolution 16,000,000 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) - 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 Digital level metre
PROCESSOR Panasonic Lumix G DMC-GX1 Sony Alpha7R IV ILCE-7RM4
Image Processor Venus Engine BIONZ X
LENS Panasonic Lumix G DMC-GX1 Sony Alpha7R IV ILCE-7RM4
Lens Mounting Type Micro Four Thirds Sony E-mount
FOCUSING Panasonic Lumix G DMC-GX1 Sony Alpha7R IV ILCE-7RM4
Auto Focus TTL contrast detection TTL contrast and phase detection
Auto Focus Points (Zones) Qty 23 567
Auto Focus Features - Predictive Focus Control, Focus Priority in Aperture Drive
AE/AF Control - 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-GX1 Sony Alpha7R IV ILCE-7RM4
Viewfinder Type - Electronic - OLED
Viewfinder Colour Support - Colour
Viewfinder Diagonal Size - 0.5"
Viewfinder Resolution - 5,760,000 pixels
Optical Viewfinder Field Coverage - 100%
Optical Viewfinder Magnification - 0.78x
Optical Viewfinder Dioptric Correction Range - -4 to +3
Field of View Crop Factor 2 -
Features - Viewfinder brightness control, colour temperature control
EXPOSURE & WHITE BALANCE Panasonic Lumix G DMC-GX1 Sony Alpha7R IV ILCE-7RM4
ISO (Max) 12800 32000
Native ISO - 100-32000
Extended ISO (Max) - 102400
Extended ISO (Min) - 50
Light Sensitivity ISO 800, ISO 400, ISO 200, ISO 160, ISO 1600, ISO 6400, ISO 3200, ISO auto, ISO 12800 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 144 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 Portrait mode, party/indoor, night portrait, PET, scenery, food, illumination snap, flower, night scene, sports mode, sunset, soft skin, baby1, baby2, peripheral defocus, architecture, objects -
Special Effects Sepia, miniature, Retro, Expressive, high dynamic, High Key, Low Key, Toy effect 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 - Electronic, mechanical electronically-controlled
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 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 1/160 sec 1/250sec
Exposure Range EV 0-18 (ISO 100) EV -3-20 (ISO 100)
DISPLAY Panasonic Lumix G DMC-GX1 Sony Alpha7R IV ILCE-7RM4
Type 3" LCD display 3" LCD display
Touch Screen Yes Yes
Display Format 460,000 pixels 1,440,000 pixels
Display Form Factor Built-in Folding
Display Features Display brightness control, display colour control, display contrast control Display brightness control, Peaking AF display, Touch AF
FLASH Panasonic Lumix G DMC-GX1 Sony Alpha7R IV ILCE-7RM4
Camera Flash Pop-up flash -
Guide Number (m / ISO 100) 7.6 -
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 -
VIDEOGRAPHY / CAMCORDER Panasonic Lumix G DMC-GX1 Sony Alpha7R IV ILCE-7RM4
Digital Video Format MPEG-4, 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
Surround Sound Dolby Digital AC-3 (2 channel) recording -
Microphone Operation Mode Stereo Stereo
Microphone Features Wind noise reduction, sensitivity control -
MEMORY Panasonic Lumix G DMC-GX1 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
Image Storage JPEG 4592 x 3448
JPEG 3232 x 2424
JPEG 2272 x 1704
JPEG 1824 x 1368
JPEG 4576 x 3056
JPEG 3232 x 2160
JPEG 2272 x 1520
JPEG 1824 x 1216
JPEG 4576 x 2576
JPEG 3232 x 1824
JPEG 1920 x 1080
JPEG 1824 x 1024
JPEG 3424 x 3423
JPEG 2416 x 2416
JPEG 1712 x 1712
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 MPEG-4 - 1920 x 1080
MPEG-4 - 1280 x 720
MPEG-4 - 640 x 480
AVCHD - 1920 x 1080
AVCHD - 1280 x 720
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-GX1 Sony Alpha7R IV ILCE-7RM4
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 - 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-GX1 Sony Alpha7R IV ILCE-7RM4
Interface Composite video/audio, HDMI, USB 2.0 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, 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
Remote control
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-GX1 Sony Alpha7R IV ILCE-7RM4
Self-Timer Delay 10 sec, 2sec 10 sec, 2sec, 5 sec
Continuous Shooting Speed 2 frames per second, 3 frames per second, 4.2 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 Built-in speaker, RGB primary colour filter, digital noise reduction, date/time stamp, digital image rotation, camera orientation detection, histogram display, cropping an image, resizing an image, Scene Detection Technology, Intelligent Scene Selector, Intelligent Resolution Technology, face detection, Motion Detection Technology, Full-time Live View, Subject Detection technology, Face Recognition, Dolby Digital Stereo Creator, Intelligent Auto (iA), Intelligent D-range Control, text stamp 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-GX1 Sony Alpha7R IV ILCE-7RM4
Included Accessories Battery charger, body 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, Panasonic PHOTOfunSTUDIO 7.0 HD Edition, Loilo LoiLoScope (Trial) -
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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