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Olympus OM-D E-M10 Mark IV vs Panasonic LUMIX G100

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

Better figure, where one is clearly better

OlympusOM-D E-M10 Mark IVPanasonicLUMIX G100
Overview
ReleasedAugust 2020July 2020
Image and sensor
Camera typeMirrorlessMirrorless
Sensor formatFour ThirdsFour Thirds
Sensor typeLive MOSLive MOS
Sensor dimensions17.3 × 13 mm–
Effective resolution20.3 MP20.3 MP
Largest image5184 × 38885184 × 3888
RAW recordingYesYes
Standard ISO range200–25600200–25600
Sensor detailApproximately 21.8 total megapixels; UK image area 17.3×13 mm, while Japan specifies 17.4×13 mm20.3 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 omitted
Image formatsJPEG, 12-bit losslessly compressed ORF RAW and simultaneous RAW+JPEG; 5184×3888 maximum ordinary still sizeJPEG and RAW; 4K Photo extracts lower-resolution JPEG frames from video bursts
ISO detailManual ISO 200–25600, with expanded LOW approximately ISO 100; Auto normally LOW–6400. Amateur Photographer describes a narrower standard range, unlike the maker's manual sensitivity tableStandard ISO 200–25600, expanded ISO 100
Image processorTruePic VIII–
Lens and shooting
Lens mountMicro Four ThirdsMicro Four Thirds
StabilisationSensor shiftOptical lens stabilisation
Maximum continuous burst15 fps10 fps
Autofocus121-point contrast detection; single, nine-point group or all-area selection; face and near-eye detection, tracking, manual focus and focus peakingContrast AF, face/eye detection, tracking and 49-area selection; AFS/AFF/AFC/MF modes
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 CompositeElectronic front curtain up to 1/500 second; electronic shutter up to 1/16000 second. Flash synchronisation 1/50 second or slower
Burst detailElectronic high approximately 15 fps with focus fixed at the first frame; electronic low 6.3 fps with continuous autofocus, reported by Amateur Photographer. Mechanical high 8.7 fps and low 5 fps. Maker electronic-high buffer 42 RAW or 49 large-fine JPEG with specified Toshiba UHS-II cardNative 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 separate
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, yaw/pitch; movie stabilisation can add electronic correction with a field-of-view cropOptical 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 further
FlashBuilt-in flash, guide number 7.2 at ISO 200; hot shoe; mechanical flash synchronisation up to 1/250 secondBuilt-in TTL pop-up flash; maker guide number 5.1 at ISO 200 or 3.6 at ISO 100
Exposure controlsP/A/S/M, Auto, scene and Advanced Photo modes; live long-exposure previews, multiple exposure and eight-frame focus bracketing in AP mode–
Video
Highest video resolution3840 × 2160 at 30 fps3840 × 2160 at 30 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 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 region
AudioBuilt-in stereo microphone, 16-bit 48 kHz linear PCM, recording-level and wind-noise controls; no microphone or headphone socket, confirmed by both reviewsThree 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 socket
Screen and viewfinder
ViewfinderElectronicElectronic
Screen size3″3″
Screen dots1,037,0001,840,000
TouchscreenYesYes
Tilting screenYesYes
Display detailTilts approximately 80° up and 180° down; forward-facing selfie mode beneath the bodyFree-angle 3-inch 3:2 capacitive touchscreen, approximately 1.84 million dots and 100% coverage
Viewfinder detailApproximately 2.36 million dots, 100% coverage and maximum 1.23× magnification with 50 mm lens at infinity, −1 dioptreColour 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 viewfinder
Connections and design
Wi-FiYesYes
BluetoothYesYes
Battery life (maker's claim)360 photographs270 photographs
Body weight335 g303 g
Release detailMaker European announcement states mid-August 2020 availability; Japan first sale 18 September and North American shipping 25 September. Month precision retained for the earlier European releaseMaker 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 G100D
Recording mediaOne SD slot; SDHC and SDXC with UHS-I/UHS-II supportOne SD/SDHC/SDXC slot, UHS-I U3 compatible
PortsUSB 2.0 Micro-B, micro-HDMI Type D and hot shoe; no wired remote-release socketUSB 2.0 Micro-B, micro-HDMI Type D and 3.5 mm microphone input; tripod grip connects through USB
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 IEEE802.11b/g/n and Bluetooth Low Energy 4.2
Battery life detailBLS-50 rechargeable battery; approximately 360 CIPA photographs with stabilisation on; video 80 minutes under standard JEITA conditions or 140 minutes with repeated maximum-length clips under maker conditionsCIPA approximately 270 LCD or 250 EVF photographs with supplied battery and H-FS12032 lens. One-second power-save EVF 900-shot figure conditional, not headline
ChargingIn-camera USB charging with camera switched off; F-5AC USB adapter supplied in Japan; external BCS-5 charger optionalUSB battery charging; optional AC adapter and appropriate DC coupler for external power
Dimensions121.7×84.6×49 mm, excluding protrusionsApproximately 115.6 × 82.5 × 54.2 mm excluding protrusions
Weight detailApproximately 335 g body only; 383 g with supplied battery and memory card, without eyecupApproximately 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 specifications
MaterialsEngineering-plastic body; no weather sealing, reported by Photography Blog–
ColoursBlack or silver–
In the boxBody, BLS-50 battery, USB cable, shoulder strap, USB adapter and documentation; regional plug variants apply–

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