OM System OM-D E-M1 Mark III vs Panasonic LUMIX G9 II

The bottom line

These two are closely matched. The differences below are where they diverge — weigh the ones that map to how you actually shoot, and let price and handling break the tie.

Choose the OM System OM-D E-M1 Mark III if…

  • You value portability — at 504g (1.11 lb) it's noticeably lighter than the 658g (1.45 lb) alternative for travel and all-day carry.

Choose the Panasonic LUMIX G9 II if…

  • You shoot action, sports or wildlife — 75fps burst plus dedicated subject-tracking AF keeps up with fast, erratic movement where 25fps would drop frames.
  • You shoot video seriously — it brings smoother 120p 4K vs 60p.
  • You shoot in low light or indoors — AF that focuses down to -7 EV gives it the edge after dark.

Where they differ

  • Burst: the Panasonic LUMIX G9 II shoots 75fps to the OM System OM-D E-M1 Mark III's 25fps — the gap that decides whether you nail the peak moment in sports and wildlife.
  • Price: the OM System OM-D E-M1 Mark III launched at $1,799, $100 under the Panasonic LUMIX G9 II — money that could go toward glass.
  • Weight: the OM System OM-D E-M1 Mark III is 504g (1.11 lb) vs 658g (1.45 lb) — 154g you'll feel on a long day out.
  • Resolution: 25.2MP on the Panasonic LUMIX G9 II vs 20.4MP — more detail and crop room, at the cost of larger files.

Frequently asked

Is the OM System OM-D E-M1 Mark III or the Panasonic LUMIX G9 II better?

These two are closely matched. The differences below are where they diverge — weigh the ones that map to how you actually shoot, and let price and handling break the tie.

Who should choose the OM System OM-D E-M1 Mark III?

Choose the OM System OM-D E-M1 Mark III if you value portability — at 504g (1.11 lb) it's noticeably lighter than the 658g (1.45 lb) alternative for travel and all-day carry.

Who should choose the Panasonic LUMIX G9 II?

Choose the Panasonic LUMIX G9 II if you shoot action, sports or wildlife — 75fps burst plus dedicated subject-tracking AF keeps up with fast, erratic movement where 25fps would drop frames. Choose it if you shoot video seriously — it brings smoother 120p 4K vs 60p. Choose it if you shoot in low light or indoors — AF that focuses down to -7 EV gives it the edge after dark.

What is the main difference between the OM System OM-D E-M1 Mark III and the Panasonic LUMIX G9 II?

Burst: the Panasonic LUMIX G9 II shoots 75fps to the OM System OM-D E-M1 Mark III's 25fps — the gap that decides whether you nail the peak moment in sports and wildlife.

Product
OM System OM-D E-M1 Mark III
OM System
$1,799
Panasonic LUMIX G9 II
Panasonic
$1,899
Imaging
Sensor TypeLive MOSBSI CMOS
Sensor SizeMicro Four ThirdsMicro Four Thirds
Image ProcessorTruePic IXVenus Engine
Effective Resolution20.4 MP25.2 MP
Lens MountMicro Four ThirdsMicro Four Thirds
Exposure Control
ISO Range (Native)200 – 25600100 – 25600
ISO Range (Extended)64 – 10240050 – 51200
Mechanical Shutter1/80001/8000
Electronic Shutter1/320001/32000
Flash Sync Speed1/2501/250
Built-in FlashNoNo
Still Image Capture
Continuous Shooting25 fps75 fps
Video Capture
Max Resolution4K5.7K
8K Recording
4K RecordingUp to 60pUp to 120p
1080p RecordingUp to 120pUp to 240p
10-bit InternalYesYes
Recording LimitNo limitNo limit
Log ProfilesOM-Log400V-Log / HLG
Built-in MicStereoStereo
Headphone JackYesYes
Mic InputYesYes
HDMI OutputMicro (Type D)Full-size (Type A)
Focus
Phase Detect Points121779
Contrast Detect Points
Low Light AF-6 EV-7 EV
Eye AFYesYes
Animal AFYesYes
Vehicle AFNoYes
Viewfinder
EVF TypeOLEDOLED
EVF Resolution2.36M dots3.68M dots
EVF Magnification0.83x0.8x
Monitor
LCD Size3"3"
LCD Resolution1.04M dots1.84M dots
LCD TypeVari-AngleVari-Angle
Touch ScreenYesYes
Interface
Wi-FiWi-Fi 5Wi-Fi 6
Bluetoothv4.2v5.2
USBUSB-C 3.0USB-C 3.2 Gen 2
Memory Card Slots2x SD UHS-II2x SD UHS-II
GPSNoNo
General
Price (MSRP)$1,799$1,899
Body MaterialMagnesium AlloyMagnesium Alloy
Dimensions134.1×91.9×68.9 mm134.3×102.3×90.1 mm
Weight504g (1.11 lb)658g (1.45 lb)
Weather SealedYesYes
In-Body StabilizationYesYes
Battery Life (EVF)420 shots370 shots
Battery Life (LCD)420 shots400 shots
Battery TypeBLH-1DMW-BLK22