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Panasonic LUMIX G100 vs Panasonic LUMIX G9II

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

PanasonicLUMIX G100PanasonicLUMIX G9II
Overview
ReleasedJuly 2020November 2023
Image and sensor
Camera typeMirrorlessMirrorless
Sensor formatFour ThirdsFour Thirds
Sensor typeLive MOSLive MOS
Sensor dimensions–17.3 × 13 mm
Effective resolution20.3 MP25.21 MP
Largest image5184 × 38885776 × 4336
RAW recordingYesYes
Standard ISO range200–25600100–25600
Sensor detail20.3 million effective and 21.77 million total pixels; 4:3 Live MOS primary-colour sensor without low-pass filter. Physical millimetre dimensions not published in the read maker table and omittedMaker Japan specifies 25.21 million effective and 26.52 million total pixels, marketed as 25.2 MP; 17.3 × 13 mm Live MOS. Native 4:3 stills 5776×4336; high-resolution composites 11552×8672 are separate from native resolution
Image formatsJPEG and RAW; 4K Photo extracts lower-resolution JPEG frames from video burstsJPEG and RAW; Fine/Standard JPEG and RAW+JPEG options
ISO detailStandard ISO 200–25600, expanded ISO 100Standard stills ISO 100–25600; expanded ISO 50; video and V-Log have different ranges. Maker Japan states no Dual Native ISO
Lens and shooting
Lens mountMicro Four ThirdsMicro Four Thirds
StabilisationOptical lens stabilisationLens and sensor shift
Maximum continuous burst10 fps75 fps
AutofocusContrast AF, face/eye detection, tracking and 49-area selection; AFS/AFF/AFC/MF modesPhase Hybrid AF; current Japan table recognises humans, animals, cars, motorcycles, trains and aircraft. The last two extend the launch-era review descriptions and are not assumed launch features
ShutterElectronic front curtain up to 1/500 second; electronic shutter up to 1/16000 second. Flash synchronisation 1/50 second or slowerMechanical 60–1/8000 second and Bulb to approximately 30 minutes; electronic first curtain 60–1/2000; electronic 60–1/32000 with Bulb to approximately 60 seconds
Burst detailNative electronic 10 fps; electronic first curtain 6 fps AFS/MF or 5 fps AFF/AFC. Maker RAW buffer at least 20 frames under its test conditions; video-derived 4K Photo is separateFull-resolution electronic 75 fps AFS/MF with focus fixed; 60 or 20 fps AFS/AFC/MF. SH RAW/JPEG buffer 200 frames; mechanical 14 fps AFS/MF or 10 fps AFC, electronic first curtain 14/9 respectively. Normal RAW buffer at least 170 frames under maker conditions; pre-burst available, with heat-related restrictions
Stabilisation detailOptical stabilisation depends on the attached lens; no sensor-shift Body I.S. Video electronic stabilisation combines with compatible optical lenses, marketed as 5-axis Hybrid I.S. rather than lens-plus-sensor stabilisation; 4K correction and crop differ. High electronic setting narrows the view furtherMaker UK eight-stop B.I.S. with H-ES12060 at 60 mm, and 7.5-stop Dual I.S.2 with H-FSA14140 at 140 mm, under CIPA yaw/pitch conditions; electronic video stabilisation is separate
FlashBuilt-in TTL pop-up flash; maker guide number 5.1 at ISO 200 or 3.6 at ISO 100No built-in flash; external flash support and sync up to 1/250 second
Video
Highest video resolution3840 × 2160 at 30 fps5760 × 4320 at 29.97 fps
Video detailInternal UHD 3840×2160 at maker-labelled 30p or 24p, 100 Mbps H.264 MP4; 4K single-session limit ten minutes. Full HD 60p limited to twenty minutes, other listed ordinary Full HD modes 29 minutes 59 seconds. V-Log L supported; HDMI output prevents simultaneous internal recording. Recording frequencies vary by regionInternal 5760×4320 4:3 open-gate HEVC 4:2:0 10-bit up to 29.97p; 5728×3024 17:9 up to 59.94p; C4K up to 119.88p and Full HD up to 239.76p. ProRes 422/HQ supported through USB SSD with recording-mode/media restrictions; no ProRes RAW inferred from GH7. Maker V-Log claim 13+ stops, dropping to 12+ above 60 fps; Dynamic Range Boost excludes SH bursts and specified slow-shutter combinations. No built-in cooling fan (Amateur Photographer)
AudioThree integrated microphones with OZO Audio by Nokia, including front/back/surround/tracking/automatic modes; stereo recording, 3.5 mm external microphone input and monaural speaker. No headphone monitoring socketStereo built-in microphone; high-resolution audio through compatible DMW-XLR1/DMW-XLR2; exact channel and format restrictions depend on recording mode
Screen and viewfinder
ViewfinderElectronicElectronic
Screen size3″3″
Screen dots1,840,0001,840,000
TouchscreenYesYes
Tilting screenYesYes
Display detailFree-angle 3-inch 3:2 capacitive touchscreen, approximately 1.84 million dots and 100% coverageThree-inch 3:2 capacitive touchscreen, approximately 1.84 million dots; free-angle articulation (Panasonic UK), distinct from GH7's additional tilt frame
Viewfinder detailColour LCD electronic viewfinder, approximately 3.68 million dots equivalent, 100% coverage and 0.73× 35 mm-equivalent magnification under maker conditions; not the later G100D OLED viewfinder0.5-inch OLED, approximately 3.68 million dots, 100% coverage; approximately 1.6× magnification, 0.8× in 35 mm terms under maker's 50 mm-equivalent/infinity/−1 dioptre/4:3 conditions
Connections and design
Wi-FiYesYes
BluetoothYesYes
Battery life (maker's claim)270 photographs370 photographs
Body weight303 g575 g
Release detailMaker North America announcement confirms end-of-July2020 sale, matching Photography Blog's UK availability wording; Japan maker specifies 20August2020, a later regional launch. Digital Camera World explicitly tested a pre-production sample and awaited production lab tests; its findings are attributed rather than treated as final production validation. Original G100 remains separate from G100DMaker UK confirms November 2023 availability; September 2023 is the announcement, not substituted for first sale
Recording mediaOne SD/SDHC/SDXC slot, UHS-I U3 compatibleTwo SD/SDHC/SDXC UHS-II slots including V90; dual-slot recording options; supported video can record to USB SSD
PortsUSB 2.0 Micro-B, micro-HDMI Type D and 3.5 mm microphone input; tripod grip connects through USBUSB-C 10 Gbps; full-size HDMI, 3.5 mm microphone/headphone and 2.5 mm remote sockets (Amateur Photographer)
Wireless connectionsWi-Fi 2.4 GHz IEEE802.11b/g/n and Bluetooth Low Energy 4.2Wi-Fi 2.4 GHz 802.11b/g/n and 5 GHz 802.11a/n/ac; Bluetooth Low Energy 5.0; Japan channel ranges not assumed identical globally
Battery life detailCIPA approximately 270 LCD or 250 EVF photographs with supplied battery and H-FS12032 lens. One-second power-save EVF 900-shot figure conditional, not headlineDMW-BLK22; current Japan CIPA 370 LCD/EVF shots with H-ES12060 and SD, or approximately 1300 in specified one-second power-save EVF mode. USB SSD approximately 310 shots. Older review claims of 390 shots are not substituted for the current maker table
ChargingUSB battery charging; optional AC adapter and appropriate DC coupler for external powerUSB in-camera charging; Japan table approximately 220 minutes with bundled USB AC adapter or 170 minutes with DMW-BTC15 adapter; optional DMW-BTC15 charger approximately 175 minutes
DimensionsApproximately 115.6 × 82.5 × 54.2 mm excluding protrusionsApproximately 134.3 × 102.3 × 90.1 mm, excluding protrusions
Weight detailApproximately 303 g body only, 345 g with battery/card or 412 g with 12–32mm kit lens/battery/card. Photo shows the maker's 12–32mm kit; lens is not included in body specificationsMaker UK 575 g body only, 658 g with battery and SD card; lens excluded
Materials–Dust/splash-resistant body (Panasonic UK); no waterproof rating inferred
In the box–Japan maker lists body cap, hot-shoe cover, battery-grip connector cover, shoulder strap, battery, USB AC adapter and USB A–C cable; regional contents may vary

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