| General | Sony Alpha 7 III | Panasonic Lumix DMC-GH4 |
|---|---|---|
| Brand | Sony | Panasonic |
| Model | Alpha 7 III | Lumix DMC-GH4 |
| Predecessor Model | Sony Alpha 7 II | Panasonic Lumix DMC-GH3 |
| Successor Model | Sony Alpha 7 IV | Panasonic Lumix DC-GH5 |
| MSRP | $2000 | |
| Camera Type | Interchangeable Lens | Interchangeable Lens |
| Body Type | Mirrorless | Mirrorless |
| Video Capture |
| Sensor | Sony Alpha 7 III | Panasonic Lumix DMC-GH4 |
|---|---|---|
| Sensor Type | BSI-CMOS | CMOS |
| Sensor Size | Full Frame | Micro Four Thirds |
| Sensor Dimensions | 35.8 x 23.8 mm | 17.3 x 13 mm |
| Total Pixels | 25.3 Megapixel | 17.2 Megapixel |
| Effective Pixels | 24.2 Megapixel | 16.05 Megapixel |
| Low Pass Filter | ||
| Native ISO Range | 100 - 51,200 | 200 - 25,600 |
| Boosted ISO Range | 50 - 204,800 |
| Photo | Sony Alpha 7 III | Panasonic Lumix DMC-GH4 |
|---|---|---|
| Processor | BIONZ X | Venus Engine IX |
| Max Image Resolution | 6000 x 4000 | 4608 x 3456 |
| Other Resolutions | 6000 x 3376, 3936 x 2624, 3936 x 2216, 3008 x 1688, 3008 x 2000 | 4608 x 3072, 4608 x 2592, 3456 x 3456, 3264 x 2448, 3264 x 2176, 2448 x 2448, 2336 x 1752, 2356 x 1560, 1920 x 1080, 1744 x 1744, 1824 x 1368, 1824 x 1216, 1824 x 1024, 1712 x 1712 |
| Image Aspect Ratios | 3:2, 16:9 | 1:1, 4:3, 3:2, 16:9 |
| Image File Format | JPEG, RAW | JPEG, MPO, RAW |
| JPEG Quality Levels | Extra fine, fine, standard | Fine, standard |
| Bit Depth | 14-Bit | |
| Color Space | sRGB, Adobe RGB | |
| Timelapse Recording | ||
| White Balance | Presets: Auto, Cloudy, Color Temperature, Custom, Daylight, Flash, Fluorescent (Cool White), Fluorescent (Daylight), Fluorescent (Warm White), Incandescent, Shade, Underwater | Presets: Auto, Cloudy, Color Temperature, Daylight, Flash, Incandescent, Shade, White Set |
| WB Bracketing | 3 exposures in blue/amber or magenta/green axis |
| Focus | Sony Alpha 7 III | Panasonic Lumix DMC-GH4 |
|---|---|---|
| Autofocus Modes | Multi-area Center Selective single-point Tracking Single Continuous Touch Face Detection Live View | Multi-area Center Selective single-point Tracking Single Continuous Touch Face Detection Live View |
| Lens Servo | Automatic, Continuous-Servo AF, Direct Manual Focus, Manual Focus, Single-Servo AF | Continuous-Servo AF, Flexible, Manual Focus, Single-Servo AF |
| AF Detection Range | -3 to +20 EV | -4 to +18 EV |
| Number of Focus Points | 693 | 49 |
| Number of Cross-type Focus Points | 0 | |
| Touch-to-Focus | ||
| Live View Autofocus | ||
| Animal Eye Detection | ||
| Vehicle Tracking Mode | ||
| Insect Tracking Mode | ||
| Contrast Detection for Autofocus | ||
| Phase Detection for Autofocus |
| Optics | Sony Alpha 7 III | Panasonic Lumix DMC-GH4 |
|---|---|---|
| Lens Mount | Sony E | Micro Four Thirds |
| Crop Factor | 1x | 2x |
| Image Stabilization | 5-Axis Sensor Shift | |
| Image Stabilization Compensation | 5 stops | |
| Digital Image Stabilization |
| Screen | Sony Alpha 7 III | Panasonic Lumix DMC-GH4 |
|---|---|---|
| Screen Type | Tilting | Fully Articulated |
| Screen Technology | OLED | |
| Touch Screen | ||
| Selfie & Vlogger Friendly LCD Screen | ||
| Screen Size | 3.0" | 3.0" |
| Screen Resolution | 922k dot | 1,036k dot |
| Top LCD Screen | ||
| Live View | ||
| Live Composition |
| Viewfinder | Sony Alpha 7 III | Panasonic Lumix DMC-GH4 |
|---|---|---|
| Viewfinder | Electronic | Electronic |
| Viewfinder Size | 0.5" | |
| Viewfinder Coverage | 100% | 100% |
| Viewfinder Magnification | 0.78x | 1.34x |
| Viewfinder Magnification (35mm equivalent) | 0.78x | 0.67x |
| Viewfinder Resolution | 2,359k dot | 2,359k dot |
| Viewfinder Eyepoint | 23 mm | 21 mm |
| Diopter Adjustment | -4 to +3 | -4 to +4 |
| Shutter | Sony Alpha 7 III | Panasonic Lumix DMC-GH4 |
|---|---|---|
| Shutter Type | Electronic | Mechanical Focal Plane, Electronic |
| Min Shutter Speed | 30 sec | 60 sec |
| Max Shutter Speed (Mechanical or 1st Curtain) | 1/8000 sec | 1/8000 sec |
| Max Continuous Shooting | 10.0 fps | 12.0 fps |
| Continuous Shooting Resolution/fps/buffer | Up to 10 fps at 24.2 MP for up to 89 Frames (Raw) / 177 Frames (JPEG) Up to 8 fps at 24.2 MP Up to 6 fps at 24.2 MP Up to 3 fps at 24.2 MP | Up to 40 fps |
| Flash | Sony Alpha 7 III | Panasonic Lumix DMC-GH4 |
|---|---|---|
| Built-in Flash | ||
| Flash Modes | Auto auto/redeye reduction forced on forced on/redeye reduction slow sync slow sync/redeye reduction forced off | |
| Flash Range | 17.00 m at ISO 200 | |
| Max Flash Sync Speed | 1/250 sec | 1/250 sec |
| Flash Compensation | -3 to +3 EV (1/3, 1/2 EV Steps) | -3 to +3 EV (1/3 EV Steps) |
| External Flash Connectivity | ||
| External Flash System | TTL | TTL |
| External Flash Connection | Intelligent Hot Shoe | Hot Shoe |
| Exposure | Sony Alpha 7 III | Panasonic Lumix DMC-GH4 |
|---|---|---|
| Exposure Metering Modes | Multi Center-weighted Highlight-weighted Average Spot | Multi Center-weighted Spot |
| Exposure Modes | Aperture Priority, Auto, Manual, Program, Shutter Priority | Aperture Priority, Manual, Program, Shutter Priority |
| Metering Range | -3 to +20 EV | 0 to +18 EV |
| Exposure Compensation | ±5 EV (1/3 EV, 1/2 EV increments) | ±5 EV (1/3 EV increments) |
| Exposure Bracketing | ±5 EV (3, 5 shots at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV, 2 EV increments) | ±3 EV (3, 5, 7 shots at 1/3 EV, 2/3 EV, 1 EV increments) |
| Exposure Lock | Locked when shutter button is pressed halfway. Available with AE lock button (On/Off/Auto) | AF/AE LOCK button |
| DXO | Sony Alpha 7 III | Panasonic Lumix DMC-GH4 |
|---|---|---|
| DxO Low Light ISO | 3730 | 791 |
| DxO Color Depth | 25.0 | 23.2 |
| DxO Dynamic Range | 14.7 | 12.8 |
| DxO Overall Score | 96 | 74 |
| Video | Sony Alpha 7 III | Panasonic Lumix DMC-GH4 |
|---|---|---|
| Internal Recording Modes | H.264/XAVC S 4K UHD: 3840 x 2160 @ 23.98/25/29.97 fps [60 to 100 Mbps] Full HD: 1920 x 1080p @ 23.98/25/29.97/50/59.94/100 fps [16 to 100 Mbps] AVCHD/H.264 Full HD: 1920 x 1080i @ 50/59.94 fps [17 to 24 Mbps] | MOV DCI 4K: 4096 x 2160 @ 23.98/24 fps [100 Mbps] 4K UHD: 3840 x 2160 @ 23.98/24/25/29.97 fps [100 Mbps] Full HD: 1920 x 1080p @ 23.98/24/25/29.97/50/59.94 fps [200 Mbps] MP4 DCI 4K: 4096 x 2160 @ 23.98/24 fps [100 Mbps] 4K UHD: 3840 x 2160 @ 23.98/24/25/29.97 fps [100 Mbps] Full HD: 1920 x 1080p @ 23.98/24/25/29.97/50/59.94 fps [20 to 200 Mbps] HD: 1280 x 720 @ 25/29.97 fps [10 Mbps] 640 x 480 @ 25/29.97 fps [4 Mbps] AVCHD Full HD: 1920 x 1080p @ 23.98/50/59.94 fps [24 to 28 Mbps] Full HD: 1920 x 1080i @ 50/59.94 fps [17 to 24 Mbps] |
| Interval Recording | ||
| Video Formats | MPEG-4, AVCHD, XAVC S, H.264 | MPEG-4, AVCHD |
| Max Video Resolution | 3840 x 2160 | 4096 x 2160 |
| External Recording Modes | 4:2:2 8-Bit via HDMI UHD 4K (3840 x 2160) @ 23.98/24.00/25/29.97 fps 1920 x 1080p @ 23.98/24.00/50/59.94 fps 1920 x 1080i @ 50/59.94 fps | 4:2:2 10-Bit via HDMI DCI 4K (4096 x 2160) @ 23.98/24.00 fps UHD 4K (3840 x 2160) @ 23.98/24.00/25/29.97 fps 1920 x 1080p @ 23.98/24.00/25/29.97/50/59.94 fps 1280 x 720 @ 50/59.94 fps |
| No crop on 4K Videos | ||
| Webcam Functionality | ||
| Gamma Curve | HDR-HLG, Sony S-Log 2, Sony S-Log 3 | |
| Unlimited Video Recording | ||
| Recording Limit | 30 min | 30 min |
| Terminals | Sony Alpha 7 III | Panasonic Lumix DMC-GH4 |
|---|---|---|
| Audio I/O | 1 x 1/8" / 3.5 mm TRS Stereo Headphone Output 1 x 1/8" / 3.5 mm TRS Stereo Microphone Input | 1 x 1/8" / 3.5 mm TRS Stereo Headphone Output 1 x 1/8" / 3.5 mm TRS Stereo Microphone Input |
| Power I/O | 1 x USB-C Input/Output | |
| Other I/O | 1 x Sony Multi/Micro-USB Input/Output (Shared with Remote Input) 1 x USB-C (USB 3.2 / 3.1 Gen 1) Input/Output (Shared with Power Input) | 1 x USB-B (USB 2.0) Output 1 x 2.5 mm Sub-Mini Control Input |
| USB Speed | USB 3.2 Gen 1x1 (5 GBit/sec) | USB 2.0 (480 Mbit/sec) |
| HDMI Output | Micro | Micro |
| Speaker | Mono | Mono |
| Built-in Microphone | Stereo | Stereo |
| Microphone Input | ||
| Headphone Output | ||
| Flash Sync Port |
| Connectivity | Sony Alpha 7 III | Panasonic Lumix DMC-GH4 |
|---|---|---|
| Built-in GPS | ||
| Built-In Wi-Fi | ||
| Wi-Fi Version | 802.11b/g/n, 2.4 GHz | |
| Built-In Bluetooth | ||
| NFC | ||
| Mobile App Compatible | *As of May, 2023: Check with manufacturer for the most up-to-date compatibility | |
| Remote Control | RM-VPR1, VCT-XPR10, VCT-VPR1, RM-SPR1, RMT-VP1K (Optional) | via DMW-RSL1 wired remote |
| Environmental | Sony Alpha 7 III | Panasonic Lumix DMC-GH4 |
|---|---|---|
| Environmental Sealing | ||
| Operating Temperature | 32 to 104°F / 0 to 40°C | 32 to 104°F / 0 to 40°C |
| Operating Humidity | 10 to 80% |
| Physical | Sony Alpha 7 III | Panasonic Lumix DMC-GH4 |
|---|---|---|
| Dimensions | 127 x 96 x 74 mm (5 x 3.78 x 2.91") | 133 x 93 x 84 mm (5.24 x 3.66 x 3.31") |
| Weight (inc. batteries) | 650 g (1.43 lb / 22.93 oz) | 560 g (1.23 lb / 19.75 oz) |
| Box Dimensions (LxWxH) | 8.3 x 6.6 x 5.4" | 7.65 x 5.9 x 5.8" |
| Package Weight | 2.485 lb | 2.84 lb |
| Power and Storage | Sony Alpha 7 III | Panasonic Lumix DMC-GH4 |
|---|---|---|
| Battery Pack | NP-FZ100 | DMW-BLF19 |
| Battery Life | 610 shots | 500 shots |
| USB Charging | ||
| Internal Storage | ||
| External Storage | Slot 1: SD/SDHC/SDXC (UHS-II) Slot 2: SD/SDHC/SDXC/Memory Stick Duo Hybrid (UHS-I) | Single Slot: SD/SDHC/SDXC (UHS-I) |
| Other | Sony Alpha 7 III | Panasonic Lumix DMC-GH4 |
|---|---|---|
| Self Timer | 2, 5 or 10 sec; continuous 3 or 5 exposures | 2 or 10 secs single or three-shot |
| Orientation Sensor | ||
| Tripod Mounting Thread | 1 x 1/4"-20 Female (Bottom) | 1 x 1/4"-20 Female (Bottom) |
| Accessory Mount | 1 x Hot Shoe Mount | 1 x Hot Shoe Mount |
| Material of Construction | Magnesium Alloy | Magnesium Alloy |
| Electronic Level Gauge | ||
| Sensor Cleaning/Dust Reduction System | Charge protection coating on optical filter and image sensor shift mechanism | |
| Optional Accessories | External flash: DMW-FL580L (optional), Wireless Channel: 1ch/2ch/3ch/4ch Interface unit: DMW-YAGH AC adaptor: DMW-AC10 External microphone: DMW-MS2 Stereo/Lens Auto/Shotgun/Super Shotgun/Manual Battery grip: DMW-BGGH3 |
For a full review please go to the review page: