Panasonic Lumix G DMC-GH4 vs. Pentax K-3 Mark III

Camera Comparison, Reviews and Tests

Side by side comparison and review of Panasonic Lumix G DMC-GH4 and Pentax K-3 Mark III. Compare design, sensors, zoom functions, batteries and other key specifications and features to simplify the choice of your perfect digital camera. Our goal is to make it easier for you to decide on the camera that will best meet your expectations by revealing the main differences between the products.

Camera Specifications Comparison

Panasonic Lumix G DMC-GH4 vs. Pentax K-3 Mark III Comparison Chart
DESIGN AND DIMENSIONS Panasonic Lumix G DMC-GH4 Pentax K-3 Mark III
Product Type Digital camera - 4K - mirrorless system Digital camera - 4K - SLR with Live View mode, movie recording
Lens Included Body only Body only
Height 9.34 cm 10.35 cm
Width 13.29 cm 13.45 cm
Depth 8.39 cm 7.35 cm
Weight 480 g 735 g
Weight Details - Camera body only: 735 g
Camera with battery and memory card: 820 g
Body Material Magnesium alloy Magnesium alloy
Enclosure Colour Black Black | Silver
Protection Splashproof, dust-resistant Weatherproof, dust-resistant
Navigation - GPS receiver
SENSOR Panasonic Lumix G DMC-GH4 Pentax K-3 Mark III
Sensor Resolution 16.05 Megapixel 25.73 Megapixel
Optical Sensor Type Live MOS CMOS
Total Pixels 17,200,000 pixels 26,780,000 pixels
Effective Sensor Resolution 16,050,000 pixels 25,730,000 pixels
Optical Sensor Size Four Thirds (17.3 x 13.0 mm) APS-C (23.3 x 15.5 mm)
Frame Rate (Max Resolution) 24 fps 30 fps
Sensor Dust Reduction Yes -
Sensor Features Supersonic Wave Filter (SWF) Dust Reduction (image sensor vibration), anti-aliasing simulator function
Image Stabiliser - Optical SR II (5-axis image sensor shift mechanism)
Built-in Optical Image Stabiliser - Yes
Sensors - Digital level metre
LENS Panasonic Lumix G DMC-GH4 Pentax K-3 Mark III
Lens Mounting Type Micro Four Thirds Pentax K
FOCUSING Panasonic Lumix G DMC-GH4 Pentax K-3 Mark III
Auto Focus TTL contrast detection TTL contrast and phase detection
Auto Focus Points (Zones) Qty 49 101
AE/AF Control Face-priority AF, Subject-tracking AF, Touch Area AF, Eye detection AF Auto-area AF, Zone AF, Expanded area AF
Face Detection Face Recognition Yes
VIEWFINDER Panasonic Lumix G DMC-GH4 Pentax K-3 Mark III
Viewfinder Type Electronic - OLED Optical - fixed eye-level pentaprism
Viewfinder Colour Support Colour -
Viewfinder Resolution 2,359,000 pixels -
Optical Viewfinder Field Coverage 100% 100%
Optical Viewfinder Magnification 1.34x 1.05x
Optical Viewfinder Dioptric Correction Range -4 to +4 -4 to +1
Features Auto eye sensor Auto eye sensor
EXPOSURE & WHITE BALANCE Panasonic Lumix G DMC-GH4 Pentax K-3 Mark III
ISO (Max) 25600 1600000
Native ISO 200-12800 -
Extended ISO (Max) 25600 -
Extended ISO (Min) 100 -
Light Sensitivity ISO 100, ISO 800, ISO 400, ISO 200, ISO 1600, ISO 6400, ISO 3200, ISO auto, ISO 12800, ISO 25600 ISO auto, ISO 100-1600000
Exposure Metering Multi-segment, centre-weighted, spot Multi-segment, centre-weighted, spot, highlight-weighted
Exposure Metering Zones 1728 -
Exposure Modes Programme, bulb, manual, aperture-priority, shutter-priority Programme, bulb, automatic, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority
Bracketing Modes - Depth of field bracketing, motion bracketing
Special Effects Sepia, Vivid, soft focus, natural, monochrome, portrait, miniature, Cross Process, Retro, Expressive, high dynamic, Bleach Bypass, High Key, Low Key, Scenery, Toy effect, Star Filter, Impressive Art, One Point Colour, Dynamic Monochrome, Sunshine, Old Days, Toy Pop, Fantasy, Rough Monochrome, Silky Monochrome Soft, Slim, fisheye, natural, bright, Vibrant, monochrome, Muted, Flat, landscape, portrait, miniature, Cross Process, Retro, Colour Extract, Toy camera, High contrast, Colour Invert, Bleach Bypass, Radiant, Reversal Film, Shading, Tone Expansion, Bold Monochrome, Unicolour Bold, Colour replace, Grainy Monochrome
White Balance Custom, automatic, presets Custom, automatic, presets
White Balance Presets Incandescent, cloudy, Flash, daylight, shade, 2500K - 10000K (100K steps) Cloudy, tungsten light, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Color Temperature Enhancement (CTE), fluorescent light (daylight white)
Shutter Type Mechanical Electronic, mechanical electronically-controlled
Max Shutter Speed 1/8000 sec 1/8000 sec
Min Shutter Speed 60 sec 30 sec
Exposure Compensation ±5 EV range, in 1/3 EV steps ±5 EV range, in 1/2 or 1/3 EV steps
Auto Exposure Bracketing 7 steps in 1/3, 2/3 or 1 EV steps -
White Balance Bracketing Yes -
X-sync Speed 1/250sec 1/200sec
Exposure Range EV 0-18 (ISO 100) EV -3-20 (ISO 100)
DISPLAY Panasonic Lumix G DMC-GH4 Pentax K-3 Mark III
Type 3" OLED display 3.2" LCD display
Touch Screen Yes Yes
Display Format 1,036,000 pixels 1,620,000 pixels
Display Form Factor Rotating Built-in
Display Features Display brightness control, Touch AF/AE Colour control, contrast control, display brightness control, night vision LCD display
FLASH Panasonic Lumix G DMC-GH4 Pentax K-3 Mark III
Camera Flash Pop-up flash -
Guide Number (m / ISO 100) 12 -
Flash Modes Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction -
Red-Eye Reduction Yes -
Features AF illuminator, flash +/- compensation -
VIDEOGRAPHY / CAMCORDER Panasonic Lumix G DMC-GH4 Pentax K-3 Mark III
Digital Video Format AVCHD, H.264, MOV H.264, MOV
Image Recording Format JPEG, RAW, RAW + JPEG, MPO JPEG, DNG (RAW), PEF (RAW)
Max Video Resolution 4096 x 2160 3840 x 2160
Microphone Operation Mode Stereo Stereo
Microphone Features Wind noise reduction Wind noise reduction, sensitivity control
MEMORY Panasonic Lumix G DMC-GH4 Pentax K-3 Mark III
Memory Card Slot SD card Dual SD card
Supported Memory Cards SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card, SDHC UHS-II Memory Card, SDXC UHS-II Memory Card
Memory Card Included No No
Image Storage JPEG 4608 x 3456
JPEG 4608 x 3072
JPEG 4608 x 2592
JPEG 3264 x 2448
JPEG 3264 x 2176
JPEG 2336 x 1752
JPEG 2336 x 1560
JPEG 1920 x 1080
JPEG 1824 x 1368 - 3D mode
JPEG 1824 x 1216 - 3D mode
JPEG 1824 x 1024 - 3D mode
JPEG 3456 x 3456
JPEG 2448 x 2448
JPEG 1744 x 1744
JPEG 1712 x 1712
RAW 6192 x 4128
JPEG 6192 x 4128
JPEG 4752 x 3168
JPEG 3648 x 2432
JPEG 1920 x 1280
Video Capture MOV - 4096 x 2160 - 24 fps - 100Mbps
MOV - 3840 x 2160 - 24 fps - 100Mbps
MOV - 1920 x 1080 - 24 fps - 200Mbps
MOV - 1920 x 1080 - 50 fps - 200Mbps
MOV - 1920 x 1080 - 59.94 fps - 200Mbps
H.264 - 4096 x 2160 - 24 fps - 100Mbps
H.264 - 3840 x 2160 - 24 fps - 100Mbps
H.264 - 1920 x 1080 - 24 fps - 200Mbps
H.264 - 1920 x 1080 - 50 fps - 200Mbps
H.264 - 1920 x 1080 - 59.94 fps - 200Mbps
H.264 - 1920 x 1080 - 50 fps - 28Mbps
H.264 - 1920 x 1080 - 59.94 fps - 28Mbps
AVCHD - 1920 x 1080 - 50 fps - 28Mbps
AVCHD - 1920 x 1080 - 59.94 fps - 28Mbps
AVCHD - 1920 x 1080 - 50 fps - 24Mbps
AVCHD - 1920 x 1080 - 50 fps - 17Mbps
H.264 - 3840 x 2160 p - 30 fps
H.264 - 3840 x 2160 p - 24 fps
H.264 - 1920 x 1080 p - 60 fps
H.264 - 1920 x 1080 p - 30 fps
H.264 - 1920 x 1080 p - 24 fps
BATTERY AND CHARGING Panasonic Lumix G DMC-GH4 Pentax K-3 Mark III
Battery Type Lithium Ion - manufacturer-specific Pentax D-Li90 Lithium Ion
Details Li-ion rechargeable battery - 1860 mAh (included) Pentax D-Li90 Li-ion rechargeable battery (included)
Battery Life Photo shooting - 500 shots Photo shooting - 800 shots
Playback - 250 minutes
CONNECTIONS Panasonic Lumix G DMC-GH4 Pentax K-3 Mark III
Interface Composite video/audio, HDMI, USB 2.0, IEEE 802.11b/g/n, NFC (Near Field Communication) HDMI, USB-C, IEEE 802.11b/g/n, Bluetooth 4.2
Connectivity Features - Remote control via mobile devices, remote live view, Wireless Image Transfer
Print Standard Direct print, DPOF support, Exif Print support, PictBridge support Exif Print support
Computer Connectivity - Mac, Windows
Flash Terminal Hot shoe Hot shoe, PC terminal
Connector Type USB 2.0
Composite video/audio output
HDMI output (19 pin micro HDMI Type D)
Microphone (mini-phone 3.5mm)
Headphones (mini-phone 3.5mm)
Remote control (sub-mini phone 2.5 mm)
USB 3.2 Gen 1 (USB Type-C)
HDMI output (19 pin micro HDMI Type D)
Microphone (mini-phone stereo 3.5 mm)
Headphones (mini-phone stereo 3.5 mm)
Remote control (sub-mini phone 2.5 mm)
FEATURES Panasonic Lumix G DMC-GH4 Pentax K-3 Mark III
Self-Timer Delay 10 sec, 2sec 2sec, 12sec
Continuous Shooting Speed 2 frames per second, 20 frames per second, 12 frames per second, 7.5 frames per second, 40 frames per second 2.5 frames per second, 12 frames per second, 7 frames per second
HDR Mode - Auto HDR mode
Additional Features Audio recording, built-in speaker, RGB primary colour filter, date/time stamp, digital image rotation, histogram display, AE lock, AF lock, cropping an image, resizing an image, Scene Detection Technology, face detection, Full-time Live View, Wi-Fi Direct Audio recording, date/time stamp, digital image rotation, camera orientation detection, histogram display, AE lock, AF lock, cropping an image, resizing an image, interval shooting mode, in-camera film editing, in-camera RAW processing, peripheral illumination correction, horizon correction, NR Slow Shutter, High ISO NR, Lens Distortion Correction, primary colour filter, Automatic composition correction function, colour moire correction, Lateral Chromatic Aberration Correction, diffraction correction, Pixel Shift Resolution technology, colour fringe correction, multiple exposure capture, GPS stamp, D-range correction
OTHERS Panasonic Lumix G DMC-GH4 Pentax K-3 Mark III
Included Accessories Battery charger, body cap, shoulder strap, USB cable Eyepiece cover, carrying strap, battery charger, body cap, USB cable, eyecup, shoe cap, sync terminal cover
Software Loilo LoiLoScope (Trial), SILKYPIX Developer Studio 4.1 SE, Panasonic PHOTOfunSTUDIO 9.5 Premium Edition Digital Camera Utility 5
Max Operating Temperature 40 °C 40 °C
Min Operating Temperature 0 °C -10 °C
Service & Support - Limited warranty - 1 year
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