Sony Alpha 7 III vs Panasonic Lumix DC-GX9

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      Specifications

      General Sony Alpha 7 III Panasonic Lumix DC-GX9
      BrandSonyPanasonic
      ModelAlpha 7 IIILumix DC-GX9
      Predecessor ModelSony Alpha 7 II
      Successor ModelSony Alpha 7 IV
      MSRP$2000$999 (w/12-60mm F3.5-5.6 lens)
      Camera TypeInterchangeable LensInterchangeable Lens
      Body TypeMirrorlessMirrorless
      Video Capture
      Sensor Sony Alpha 7 III Panasonic Lumix DC-GX9
      Sensor TypeBSI-CMOSCMOS
      Sensor SizeFull FrameMicro Four Thirds
      Sensor Dimensions35.8 x 23.8 mm17.3 x 13 mm
      Total Pixels25.3 Megapixel21.77 Megapixel
      Effective Pixels24.2 Megapixel20.3 Megapixel
      Low Pass Filter
      Native ISO Range100 - 51,200200 - 25,600
      Boosted ISO Range50 - 204,800100 - 25,600
      Photo Sony Alpha 7 III Panasonic Lumix DC-GX9
      ProcessorBIONZ XVenus Engine
      Max Image Resolution6000 x 40005184 x 3888
      Other Resolutions6000 x 3376, 3936 x 2624, 3936 x 2216, 3008 x 1688, 3008 x 2000
      Image Aspect Ratios3:2, 16:91:1, 4:3, 3:2, 16:9
      Image File FormatJPEG, RAWJPEG, RAW
      JPEG Quality LevelsExtra fine, fine, standardFine, standard
      Bit Depth14-Bit
      Timelapse Recording
      White BalancePresets: Auto, Cloudy, Color Temperature, Custom, Daylight, Flash, Fluorescent (Cool White), Fluorescent (Daylight), Fluorescent (Warm White), Incandescent, Shade, UnderwaterPresets: Auto, Cloudy, Color Temperature, Daylight, Flash, Incandescent, Shade, White Set 1, White Set 2, White Set 3, White Set 4
      Focus Sony Alpha 7 III Panasonic Lumix DC-GX9
      Autofocus ModesMulti-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 ServoAutomatic, Continuous-Servo AF, Direct Manual Focus, Manual Focus, Single-Servo AFContinuous-Servo AF, Flexible, Manual Focus, Single-Servo AF
      AF Detection Range-3 to +20 EV-4 to +18 EV
      Number of Focus Points69349
      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 DC-GX9
      Lens MountSony EMicro Four Thirds
      Crop Factor1x2x
      Image Stabilization5-Axis Sensor Shift5-Axis Sensor Shift
      Image Stabilization Compensation5 stops4 stops
      Digital Image Stabilization
      Screen Sony Alpha 7 III Panasonic Lumix DC-GX9
      Screen TypeTiltingTilting
      Screen TechnologyTFT LCD
      Touch Screen
      Screen Size3.0"3.0"
      Screen Resolution922k dot1,240k dot
      Top LCD Screen
      Live View
      Live Composition
      Viewfinder Sony Alpha 7 III Panasonic Lumix DC-GX9
      ViewfinderElectronicElectronic
      Viewfinder Size0.5"
      Viewfinder Coverage100%100%
      Viewfinder Magnification0.78x1.39x
      Viewfinder Magnification (35mm equivalent)0.78x0.70x
      Viewfinder Resolution2,359k dot2,760k dot
      Viewfinder Eyepoint23 mm17.5 mm
      Diopter Adjustment-4 to +3-4 to +3
      Shutter Sony Alpha 7 III Panasonic Lumix DC-GX9
      Shutter TypeElectronicElectronic, Mechanical Focal Plane
      Min Shutter Speed30 sec60 sec
      Max Shutter Speed (Mechanical or 1st Curtain)1/8000 sec1/4000 sec
      Max Shutter Speed (Electronic)1/16000 sec
      Max Continuous Shooting10.0 fps9.0 fps
      Continuous Shooting Resolution/fps/bufferUp 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 9 fps at 20.3 MP for up to 30 Frames (Raw) / 100 Frames (JPEG)
      Up to 6 fps at 20.3 MP for up to 30 Frames (Raw) / 100 Frames (JPEG)
      Up to 2 fps at 20.3 MP for up to 30 Frames (Raw) / 100 Frames (JPEG)
      Up to 30 fps at 8 MP (JPEG)
      Flash Sony Alpha 7 III Panasonic Lumix DC-GX9
      Built-in Flash
      Flash ModesAuto
      auto w/redeye reduction
      forced on
      forced on w/redeye reduction
      slow sync
      slow sync w/redeye reduction
      forced off
      Flash Range6.00 m at ISO 200
      Max Flash Sync Speed1/250 sec1/200 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 SystemTTLTTL
      External Flash ConnectionIntelligent Hot ShoeHot Shoe
      Exposure Sony Alpha 7 III Panasonic Lumix DC-GX9
      Exposure Metering ModesMulti
      Center-weighted
      Highlight-weighted
      Average
      Spot      		Multi
      Center-weighted
      Spot
      Exposure ModesAperture Priority, Auto, Manual, Program, Shutter PriorityAperture Priority, Manual, Program, Shutter Priority
      Metering Range-3 to +20 EV0 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 LockLocked 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 DC-GX9
      DxO Low Light ISO3730
      DxO Color Depth25.0
      DxO Dynamic Range14.7
      DxO Overall Score96
      Video Sony Alpha 7 III Panasonic Lumix DC-GX9
      Internal Recording ModesH.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]      		MP4
      4K UHD: 3840 x 2160 @ 23.98/29.97 fps [100 Mbps]
      Full HD: 1920 x 1080p @ 29.97/59.94 fps [20 to 28 Mbps]
      HD: 1280 x 720 @ 29.97 fps [10 Mbps]
      AVCHD
      Full HD: 1920 x 1080p @ 23.98/59.94 fps [24 to 28 Mbps]
      Full HD: 1920 x 1080i @ 59.94 fps [17 to 29.98 Mbps]
      Interval Recording
      Video FormatsMPEG-4, AVCHD, XAVC S, H.264MPEG-4, AVCHD, H.264
      Max Video Resolution3840 x 21603840 x 2160
      External Recording Modes4:2:2 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      		HDMI
      UHD 4K (3840 x 2160)
      1920 x 1080p
      No crop on 4K Videos
      Webcam Functionality
      Gamma CurveHDR-HLG, Sony S-Log 2, Sony S-Log 3
      Unlimited Video Recording
      Recording Limit30 min30 min
      Terminals Sony Alpha 7 III Panasonic Lumix DC-GX9
      Audio I/O1 x 1/8" / 3.5 mm TRS Stereo Headphone Output
      1 x 1/8" / 3.5 mm TRS Stereo Microphone Input
      Power I/O1 x USB-C Input/Output1 x Micro-USB Input/Output
      Other I/O1 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 Micro-USB (USB 2.0) Input/Output (Shared with Power Input)
      1 x 2.5 mm Sub-Mini Control Input
      USB SpeedUSB 3.2 Gen 1x1 (5 GBit/sec)USB 2.0 (480 Mbit/sec)
      HDMI Output Micro Micro
      SpeakerMonoMono
      Built-in MicrophoneStereoStereo
      Microphone Input
      Headphone Output
      Flash Sync Port
      Connectivity Sony Alpha 7 III Panasonic Lumix DC-GX9
      Built-in GPS
      Built-In Wi-Fi
      Wi-Fi Version802.11b/g/n, 2.4 GHz
      Built-In Bluetooth
      Bluetooth Version4.2 LE
      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 smartphone
      Environmental Sony Alpha 7 III Panasonic Lumix DC-GX9
      Environmental Sealing
      Operating Temperature32 to 104°F / 0 to 40°C32 to 104°F / 0 to 40°C
      Operating Humidity10 to 80%
      Physical Sony Alpha 7 III Panasonic Lumix DC-GX9
      Dimensions127 x 96 x 74 mm (5 x 3.78 x 2.91")124 x 72 x 47 mm (4.88 x 2.83 x 1.85")
      Weight (inc. batteries)650 g (1.43 lb / 22.93 oz)450 g (0.99 lb / 15.87 oz)
      Box Dimensions (LxWxH)8.3 x 6.6 x 5.4"10.3 x 6.1 x 4.35"
      Package Weight2.485 lb2.585 lb
      Power and Storage Sony Alpha 7 III Panasonic Lumix DC-GX9
      Battery PackNP-FZ100
      Battery Life610 shots260 shots
      USB Charging
      Internal Storage
      External StorageSlot 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 DC-GX9
      Self Timer 2, 5 or 10 sec; continuous 3 or 5 exposures 2 or 10 secs, 3 photos over 10 secs
      Orientation Sensor
      Tripod Mounting Thread1 x 1/4"-20 Female (Bottom)1 x 1/4"-20 Female (Bottom)
      Accessory Mount1 x Hot Shoe Mount1 x Hot Shoe Mount
      Material of ConstructionMagnesium Alloy
      Electronic Level Gauge
      Sensor Cleaning/Dust Reduction SystemCharge protection coating on optical filter and image sensor shift mechanismSupersonic wave filter


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