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Olympus PEN E-P7 vs Panasonic LUMIX G9II

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

Better figure, where one is clearly better

OlympusPEN E-P7PanasonicLUMIX G9II
Overview
ReleasedJune 2021November 2023
Image and sensor
Camera typeMirrorlessMirrorless
Sensor formatFour ThirdsFour Thirds
Sensor typeLive MOSLive MOS
Sensor dimensions17.3 × 13 mm17.3 × 13 mm
Effective resolution20.3 MP25.21 MP
Largest image5184 × 38885776 × 4336
RAW recordingYesYes
Standard ISO range200–25600100–25600
Sensor detailApproximately 21.8 total megapixels; UK image area 17.3×13 mm, while Japan specifies 17.4×13 mmMaker 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, 12-bit losslessly compressed ORF RAW and simultaneous RAW+JPEG; maximum ordinary still size 5184×3888JPEG and RAW; Fine/Standard JPEG and RAW+JPEG options
ISO detailManual ISO 200–25600 with expanded LOW approximately ISO 100; Auto normally LOW–6400Standard stills ISO 100–25600; expanded ISO 50; video and V-Log have different ranges. Maker Japan states no Dual Native ISO
Image processorTruePic VIII–
Lens and shooting
Lens mountMicro Four ThirdsMicro Four Thirds
StabilisationSensor shiftLens and sensor shift
Maximum continuous burst15 fps75 fps
Autofocus121-point contrast detection with single, nine-point group or all-area selection; face and near-eye detection, continuous tracking and manual-focus peakingPhase 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
ShutterMechanical 1/4000–60 seconds; electronic 1/16000–60 seconds; electronic first curtain 1/320–60 seconds, switching to mechanical first curtain at faster speeds; Bulb, Live Time and Live CompositeMechanical 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 detailElectronic high approximately 15 fps with focus fixed at the first frame, reported by Amateur Photographer; electronic low 6.3 fps. Mechanical high 8.7 fps and low 5 fps; continuous autofocus requires the low-speed setting. Maker electronic-high buffer 42 RAW or 49 large-fine JPEG with specified KIOXIA UHS-II cardFull-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 detailFive-axis sensor shift, rated up to 4.5 CIPA stops with M.Zuiko Digital ED 14–42mm F3.5–5.6 EZ at 42 mm; movie M-IS1 adds electronic correction with a field-of-view crop, M-IS2 uses sensor stabilisation aloneMaker 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 flash, guide number 7.6 at ISO 200; hot shoe; mechanical flash synchronisation up to 1/250 secondNo built-in flash; external flash support and sync up to 1/250 second
Exposure controlsP/A/S/M and Advanced Photo modes including Live Composite, Live Time, HDR, multiple exposure, digital keystone correction, exposure and focus bracketing; front colour/monochrome switch accesses customisable image profiles–
Video
Highest video resolution3840 × 2160 at 30 fps5760 × 4320 at 29.97 fps
Video detailMOV H.264; 4K 30/25/24p approximately 102 Mbps, Full HD up to 60p and 720p high-speed recording at 120 fps; maximum clip approximately 29 minutesInternal 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)
AudioBuilt-in stereo microphone, 16-bit 48 kHz linear PCM, recording-level and wind-noise controls; no microphone or headphone socket, confirmed by Photography BlogStereo built-in microphone; high-resolution audio through compatible DMW-XLR1/DMW-XLR2; exact channel and format restrictions depend on recording mode
Screen and viewfinder
ViewfinderNoneElectronic
Screen size3″3″
Screen dots1,037,0001,840,000
TouchscreenYesYes
Tilting screenYesYes
Display detailTilts approximately 80° up and 180° down for forward-facing selfie mode beneath the bodyThree-inch 3:2 capacitive touchscreen, approximately 1.84 million dots; free-angle articulation (Panasonic UK), distinct from GH7's additional tilt frame
Viewfinder detail–0.5-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)360 photographs370 photographs
Body weight289 g575 g
Release detailMaker European press release, republished in full by Photography Blog, states mid-June 2021 availability; Japan body and 14–42mm EZ kit on sale 25 June. Month precision retained for the earlier European releaseMaker UK confirms November 2023 availability; September 2023 is the announcement, not substituted for first sale
Recording mediaOne SD slot; SDHC and SDXC with UHS-I/UHS-II supportTwo 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 hot shoe; no wired remote-release socketUSB-C 10 Gbps; full-size HDMI, 3.5 mm microphone/headphone and 2.5 mm remote sockets (Amateur Photographer)
Wireless connectionsWi-Fi IEEE 802.11b/g/n and Bluetooth 4.2 Low Energy; smartphone transfer, remote shooting and smartphone GPS tagging through OI.ShareWi-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 detailBLS-50 rechargeable battery; approximately 360 CIPA photographs with stabilisation on; video 80 minutes under standard JEITA conditions or 140 minutes without zoom operations, repeatedly recording maximum-length clips under maker conditionsDMW-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
ChargingIn-camera USB charging with camera switched off; F-5AC USB adapter supplied; external battery charger optionalUSB 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
Dimensions118.3×68.5×38.1 mm, excluding protrusionsApproximately 134.3 × 102.3 × 90.1 mm, excluding protrusions
Weight detailApproximately 289 g body only; 337 g with supplied battery and memory card. Amateur Photographer's introduction labels the loaded weight body-only, unlike the maker tableMaker UK 575 g body only, 658 g with battery and SD card; lens excluded
MaterialsPredominantly plastic body with metal control dials, reported by Amateur Photographer; Photography Blog reports no weather sealingDust/splash-resistant body (Panasonic UK); no waterproof rating inferred
ColoursSilver with black covering or silver with white covering–
In the boxBody, BLS-50 battery, USB cable, shoulder strap, F-5AC USB adapter and documentation; regional plug variants applyJapan 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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