In depth comparison and review of Sony Alpha7R IV ILCE-7RM4 and Panasonic Lumix G DC-GX9 + 12-32mm. 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.
| DESIGN AND DIMENSIONS | Sony Alpha7R IV ILCE-7RM4 | Panasonic Lumix G DC-GX9 + 12-32mm |
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| Product Type | Digital camera - 4K - mirrorless system | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | Body only | 12-32mm lens |
| Height | 9.64 cm | 7.21 cm |
| Width | 12.89 cm | 12.4 cm |
| Depth | 7.75 cm | 4.68 cm |
| Weight | 665 g | 407 g |
| Weight Details | Camera body only: Camera with battery and memory card: 665 g |
Camera body only: 407 g Camera with battery and memory card: 450 g |
| Enclosure Colour | Black | Silver |
| Optical Zoom | - | 2.7x |
| SENSOR | Sony Alpha7R IV ILCE-7RM4 | Panasonic Lumix G DC-GX9 + 12-32mm |
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| Sensor Resolution | 61 Megapixel | 20.3 Megapixel |
|---|---|---|
| Optical Sensor Type | Exmor R CMOS | Live MOS |
| Total Pixels | 62,500,000 pixels | 21,770,000 pixels |
| Effective Sensor Resolution | 61,000,000 pixels | 20,300,000 pixels |
| Optical Sensor Size | Full Frame (35.7 x 23.8 mm) | Four Thirds (17.3 x 13.0 mm) |
| Frame Rate (Max Resolution) | 30 fps | 30 fps |
| Sensor Dust Reduction | Yes | Yes |
| Sensor Features | Dust Reduction (image sensor vibration), Anti-Dust coating | Supersonic Wave Filter (SWF), OLPF-less architecture |
| Image Stabiliser | Optical (5-axis Steady Shot) | Optical (5-Axis Dual I.S. 2.0) |
| Built-in Optical Image Stabiliser | Yes | Yes |
| Sensors | Digital level metre | Digital level metre |
| PROCESSOR | Sony Alpha7R IV ILCE-7RM4 | Panasonic Lumix G DC-GX9 + 12-32mm |
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| Image Processor | BIONZ X | Venus Engine |
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| LENS | Sony Alpha7R IV ILCE-7RM4 | Panasonic Lumix G DC-GX9 + 12-32mm |
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| Type | - | Zoom lens - 2.7x zoom - 12 - 32 mm - f/3.5-5.6 G VARIO ASPH |
|---|---|---|
| Focal Length Equivalent to 35mm Camera | - | 24 - 64mm |
| Focus Adjustment | - | Automatic, manual |
| Min Focus Distance | - | 20 cm |
| Max View Angle | - | 84 degree(s) |
| Zoom Adjustment | - | Manual |
| Lens Construction | - | 7 groups / 8 elements |
| Filter Size | - | 37 mm |
| Lens Mounting Type | Sony E-mount | Micro Four Thirds |
| Features | - | ED glass, aspherical lens |
| FOCUSING | Sony Alpha7R IV ILCE-7RM4 | Panasonic Lumix G DC-GX9 + 12-32mm |
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| Auto Focus | TTL contrast and phase detection | TTL contrast detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 567 | 49 |
| Auto Focus Features | Predictive Focus Control, Focus Priority in Aperture Drive | Focus Peaking function, Depth From Defocus (DFD) technology, Manual Focus Assist |
| AE/AF Control | Zone AF, Real-time Eye AF, Real-time Tracking AF | Face-priority AF, Subject-tracking AF, Touch Area AF, Eye detection AF, Pinpoint AF |
| Face Detection | Eye Detect AF, face-priority AF function | Eye Detect AF, face-priority AF function |
| VIEWFINDER | Sony Alpha7R IV ILCE-7RM4 | Panasonic Lumix G DC-GX9 + 12-32mm |
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| Viewfinder Type | Electronic - OLED | Electronic - LCD |
|---|---|---|
| Viewfinder Colour Support | Colour | 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 | Sony Alpha7R IV ILCE-7RM4 | Panasonic Lumix G DC-GX9 + 12-32mm |
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| ISO (Max) | 32000 | 25600 |
|---|---|---|
| Native ISO | 100-32000 | 200-12800 |
| Extended ISO (Max) | 102400 | 25600 |
| Extended ISO (Min) | 50 | 100 |
| Light Sensitivity | ISO 50, ISO 102400, ISO auto (100-12800), ISO 100-32000 | ISO 100, ISO 800, ISO 400, ISO 200, ISO 1600, ISO 6400, ISO 3200, ISO auto, ISO 12800, ISO 25600 |
| Exposure Metering | Multi-segment, centre-weighted, spot, average | Multi-segment, centre-weighted, spot |
| Exposure Metering Zones | 1200 | 1728 |
| Exposure Modes | Bulb, automatic, manual, aperture-priority, shutter-priority | Programme, manual, aperture-priority, shutter-priority |
| Bracketing Modes | Dynamic Range Bracketing, white balance bracketing | Focus bracketing, white balance bracketing, aperture bracketing |
| Special Effects | 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, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Underwater, 2500K - 9900K, fluorescent light (daylight white) | Incandescent, cloudy, Flash, daylight, shade, 2500K - 10000K (100K steps) |
| Shutter Type | Electronic, mechanical electronically-controlled | Mechanical |
| Max Shutter Speed | 1/8000 sec | 1/16000 sec |
| Min Shutter Speed | 30 sec | 60 sec |
| Exposure Compensation | ±5 EV range, in 1/2 or 1/3 EV steps | ±5 EV range, in 1/3 EV steps |
| Auto Exposure Bracketing | 3, 5, 9 steps in 1/3, 1/2, 2/3, 1, 2 or 3 EV steps | 3, 5, 7 steps in 1/3, 2/3 or 1 EV steps |
| White Balance Bracketing | Yes | Yes |
| X-sync Speed | 1/250sec | 1/200sec |
| Exposure Range | EV -3-20 (ISO 100) | EV 0-18 (ISO 100) |
| Retouch | - | Clear Retouch function |
| DISPLAY | Sony Alpha7R IV ILCE-7RM4 | Panasonic Lumix G DC-GX9 + 12-32mm |
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| Type | 3" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | Yes | - |
| Display Format | 1,440,000 pixels | 1,240,000 pixels |
| Display Form Factor | Folding | Folding |
| Display Features | Display brightness control, Peaking AF display, Touch AF | Display brightness control, display colour control, display contrast control, display saturation control |
| FLASH | Sony Alpha7R IV ILCE-7RM4 | Panasonic Lumix G DC-GX9 + 12-32mm |
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| Camera Flash | - | Pop-up flash |
|---|---|---|
| Guide Number (m / ISO 100) | - | 4.2 |
| Flash Modes | - | Forced mode, auto mode, red-eye reduction, slow sync |
| Features | - | Flash +/- compensation, wireless off-camera control |
| VIDEOGRAPHY / CAMCORDER | Sony Alpha7R IV ILCE-7RM4 | Panasonic Lumix G DC-GX9 + 12-32mm |
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| Digital Video Format | AVCHD, XAVC S | AVCHD, H.264 |
|---|---|---|
| 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), Linear PCM | Dolby Digital AC-3 (2 channel), AAC |
| Microphone Operation Mode | Stereo | Stereo |
| Microphone Features | - | Wind noise reduction |
| MEMORY | Sony Alpha7R IV ILCE-7RM4 | Panasonic Lumix G DC-GX9 + 12-32mm |
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| Memory Card Slot | Dual SD 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, SDHC UHS-II Memory Card, SDXC UHS-II Memory Card | SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card |
| Memory Card Included | No | No |
| Image Storage | 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 |
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 |
| Video Capture | 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 |
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 |
| BATTERY AND CHARGING | Sony Alpha7R IV ILCE-7RM4 | Panasonic Lumix G DC-GX9 + 12-32mm |
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| Battery Type | Sony NP-FZ100 Lithium Ion | Lithium Ion - manufacturer-specific |
|---|---|---|
| Details | Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (included) | Li-ion rechargeable battery - 1025 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) |
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| CONNECTIONS | Sony Alpha7R IV ILCE-7RM4 | Panasonic Lumix G DC-GX9 + 12-32mm |
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| Interface | HDMI, USB 2.0, USB-C, NFC (Near Field Communication), IEEE 802.11a/b/g/n/ac, Bluetooth 4.1 | HDMI, USB 2.0, IEEE 802.11b/g/n, Bluetooth 4.2 |
|---|---|---|
| Connectivity Features | Remote control via mobile devices, remote live view, PC Remote functions via Wi-Fi | Remote control via mobile devices, remote live view, QR code scanning |
| Print Standard | DPOF support, Exif Print support, PRINT Image Matching | Direct print, Exif Print support, PictBridge support |
| Flash Terminal | Hot shoe, PC terminal | Hot shoe |
| Connector Type | 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) |
USB 2.0 (5 pin Micro-USB Type B) HDMI output (19 pin micro HDMI Type D) |
| FEATURES | Sony Alpha7R IV ILCE-7RM4 | Panasonic Lumix G DC-GX9 + 12-32mm |
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| Self-Timer Delay | 10 sec, 2sec, 5 sec | 10 sec, 2sec |
|---|---|---|
| Continuous Shooting Speed | 8 frames per second, 3 frames per second, 10 frames per second, 6 frames per second | 2 frames per second, 9 frames per second, 6 frames per second |
| HDR Mode | HDR Movie mode | - |
| Additional Features | 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 | Built-in speaker, 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 |
| OTHERS | Sony Alpha7R IV ILCE-7RM4 | Panasonic Lumix G DC-GX9 + 12-32mm |
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| Included Accessories | Eyepiece cover, battery charger, body cap, shoulder strap, shoe cap, cable protector, USB-C cable | 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 |
| Service & Support | Limited warranty - parts and labour - 1 year | Limited warranty - 5 years |
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