Pentax K-3 vs Panasonic GH4 Specifications

APS-C 366.6mm²
24.4 megapixels
ISO 100 - 51,200

Go in depth with our full Pentax K-3 Review.
How does it shoot? Pentax K-3 in the real world.
See real-world photos taken with the K-3.
Compare Pentax K-3 image quality against competitors.
What’s the bottom line? Read our Pentax K-3 conclusion.

4/3 224.9mm²
16.1 megapixels
ISO 200 - 25,600

Go in depth with our full Panasonic GH4 Review.
How does it shoot? Panasonic GH4 in the real world.
See real-world photos taken with the GH4.
Compare Panasonic GH4 image quality against competitors.
What’s the bottom line? Read our Panasonic GH4 conclusion.

Detailed specifications
Pentax K-3
Panasonic Lumix DMC-GH4

Links
Prices:	Compare Prices	Compare Prices
Manufacturer URL:	Manufacturer website	Manufacturer website
Predecessor:		Panasonic GH3 GH3 vs GH4
Successor:	Pentax K-3 II K-3 vs K-3 II	Panasonic GH5 GH4 vs GH5
General
Model Number:	K-3	GH4
Alternate Model Number(s):
Camera Format:	Pro SLR	Compact System Camera
Currently Manufactured:	No	Yes
Retail Price:	$1149.95	$1500.00
Street Price:	$699.00	$898.50
Date Available:	2013-11-01	2014-04-30
Tripod Mount:	Yes	Yes
Weight:	43.7 oz (1,240 g) includes batteries, kit lens	20.1 oz (569 g) includes batteries
Size:	5.2 x 3.9 x 3.1 in. (132 x 100 x 77 mm)	5.2 x 3.7 x 3.3 in. (133 x 93 x 84 mm)
Waterproof:	No	No
Waterproof Depth:	n/a	n/a

Image Sensor
Sensor Type:	CMOS	Live MOS
Sensor Manufacturer:		Panasonic
Effective Megapixels:	24.4	16.1
Sensor Format:	APS-C	4/3
Sensor size:	366.6mm² (23.50mm x 15.60mm)	224.9mm² (17.30mm x 13.00mm)
Approximate Pixel Pitch:	3.91 microns	3.75 microns
Focal Length Multiplier:	1.5x	2.0x
Aspect Ratio:	3:2	4:3
Color Filter Type:	RGBG	RGBG
Anti Aliasing Filter:	Optional	Fixed
Self-Cleaning:	Yes	Yes
Sensor shift image stabilization:	Yes	No
On-Sensor Phase Detect:	No	No
DxO Sensor Score:	80	74
DxO Color Depth Score (bits):	23.7	23.2
DxO Dynamic Range Score (evs):	13.4	12.8
DxO Maximum Effective ISO Score (iso):	1,216	791
Image Capture
Image Resolution:	6016 x 4000 (24.1 MP, 3:2), 4608 x 3072 (14.2 MP, 3:2), 3072 x 2048 (6.3 MP, 3:2), 1920 x 1280 (2.5 MP, 3:2)	4608 x 3456 (15.9 MP, 4:3), 4608 x 3072 (14.2 MP, 3:2), 4608 x 2592 (11.9 MP, 16:9), 3456 x 3456 (11.9 MP, 1:1), 3264 x 2448 (8.0 MP, 4:3), 3264 x 2176 (7.1 MP, 3:2), 3264 x 1840 (6.0 MP, Other), 2448 x 2448 (6.0 MP, 1:1), 2336 x 1720 (4.0 MP, Other), 2336 x 1560 (3.6 MP, 3:2), 1920 x 1080 (2.1 MP, 16:9), 1744 x 1744 (3.0 MP, 1:1), 1824 x 1368 (2.5 MP, 4:3), 1824 x 1216 (2.2 MP, 3:2), 1824 x 1024 (1.9 MP, 16:9), 1712 x 1712 (2.9 MP, 1:1)
Image File Format:	JPEG (EXIF 2.30), 14-bit RAW (.PEF, .DNG), RAW+JPEG	JPEG (EXIF 2.3), MPO, RAW, RAW + JPEG
Continuous-mode frames/second:	7.1	12.8
Video Capture
Can take movies:	Yes	Yes
Movie Resolution:	1920x1080 (60i/50i/30p/25p/24p) 1280x720 (60p/50p/30p/25p/24p)	4096x2160 (24p) 3840x2160 (30p/25p/24p) 1920x1080 (60p/60i/30p/24p) 1280x720 (60p/30p) 640x480 (30p) 1920x1080 (96p)
Movie File Format:	MPEG-4 AVC/H.264 (MOV), Motion JPEG (AVI) for interval movie record	MOV (Audio format LPCM), MP4 (Audio format LPCM / AAC 2ch), AVCHD (Audio format: Dolby Digital 2ch)
Composite Video Out:	No	Yes
NTSC/PAL Switchable Video:	n/a	No
Video Usable as Viewfinder:	n/a	Yes
HD Video Out:	Yes	Yes
HD Video Connection:	HDMI	HDMI

Lens & Optics
Lens Mount:	Pentax K (KA/KAF/KAF2/3)	Micro Four Thirds
Lens:	smc Pentax 18-135mm f/3.5-5.6 ED AL [IF] DC DA WR	n/a
Focal Length (35mm equivalent):	27 - 203mm
Focal Length (actual):	18 - 135mm
Zoom Ratio:	7.50x
Aperture Range:	f/3.5 - f/22 (wide) / f/5.6 - f/40 (tele)
Integrated ND Filter:	No	No
Normal Focus Range:	40 cm to Infinity 15.7 in to Infinity
Macro Focus Range:
Filter Thread:	62.0mm	n/a
Thread Type:	n/a	n/a
Optical Image Stabilization:	No	No
Digital Zoom:		Yes
Digital Zoom Values:		2x, 4x; Magnification ratio depends on recording pixels and aspect ratio
Auto Focus
Auto Focus:	Yes	Yes
Auto Focus Type:	SAFOX 11 TTL phase-matching - 27 point (25 cross type focus points in the center)	Contrast Detection: Face/Eye detection, AF Tracking, 49-area-focusing, Custom Multi, 1-area-focusing, Pinpoint (Full area touch is available)
Auto Focus Assist Light?	Yes	Yes
Manual Focus:	Yes	Yes
Viewfinder
Viewfinder:	Optical / LCD	EVF / OLED
Viewfinder Type:	SLR type; eye-level pentaprism, ~100% coverage, 0.95x mag., TBDmm eyepoint, -2.5 to +1.5 diopter	EVF: 2,359K-dot OLED, 100% coverage, 1.34x / 0.67x (35mm eq.) magnification, 21mm eyepoint, -4 to +4 diopter, adjustable eye sensor
Focus Peaking:	Yes	Yes
EVF Resolution:	n/a	2,359,000 dots
Viewfinder Magnification (35mm equivalent):	0.63x	0.67x
Viewfinder Magnification (nominal/claimed):	0.95x	1.34x
Display
Eye-level Viewfinder:	Yes	Yes
Rear Display:	Yes	Yes
Rear Display Size (inches):	3.2	3.0
Rear Display Resolution:	1,036,800 dots (345,600 px)	1,036,800 dots
Touchscreen:	No	Yes
Articulating Screen:	No	Yes
Tilt Swivel Screen:	No	Yes
Selfie Screen:	No	Yes
Max Playback Zoom:	16.0x	16.0x
Top Deck Display:	Yes	No

Exposure
Maximum ISO (native):	51200	25600
Minimum ISO (native):	100	200
ISO Settings:	Auto, 100-51200 (1, 1/2 or 1/3 EV steps)	Auto, Intelligent ISO, 200-25600; in 1/3 or 1 EV steps; expandable to ISO 100
Auto ISO Mode:	Yes	Yes
White Balance Settings:	Auto, Multi Auto WB, Daylight, Shade, Cloudy, Fluorescent Light (D: Daylight Color, N:Daylight White, W:Cool White, L:Warm White), Tungsten Light, Flash, CTE, Manual (up to 3 settings), Color Temperature (up to 3 settings)	Auto, Daylight, Cloudy, Shade, Incandescent, Flash, White Set 1/2/3/4, Color Temperature Setting (2,500-10,000K in 100K steps)
Shutter Speed Range:	1/8000 - 30 sec	1/8000 - 60 sec
Bulb Mode:	Yes	Yes
Exposure Compensation:	+/- 5.0EV in 0.3EV steps	+/- 5.0EV in 0.3EV steps
Metering Modes:	TTL open-aperture: Multi-segment with 86K-pixel RGB sensor, Center-weighted, Spot	1728-zone Multiple, Center-weighted, Spot
Program Auto Exposure:	Yes	Yes
Aperture Priority:	Yes	Yes
Shutter Priority:	Yes	Yes
Full Manual Exposure:	Yes	Yes
Creative Exposure Modes:	Sensitivity Priority, Shutter and Aperture Priority; Digital filters (capture): Extract Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Unicolor Bold, Bold Monochrome; HDR: Auto, HDR1, HDR2, HDR3.	No scene modes. Creative Control (Stills): Expressive, Retro, Old Days, High Key, Low Key, Sepia, Monochrome, Dynamic Monochrome, Rough Monochrome, Silky Monochrome, Impressive Art, High Dynamic, Cross Process, Toy Effect, Toy Pop, Bleach Bypass, Miniature Effect, Soft Focus, Fantasy, Star Filter, One Point Color, Sunshine; Creative Control (Movies): Expressive, Retro, Old Days, High Key, Low Key, Sepia, Monochrome, Dynamic Monochrome, Impressive Art, High Dynamic, Cross Process, Toy Effect, Toy Pop, Bleach Bypass, Miniature Effect, Fantasy, One Point Color
Self Timer:	2 or 12 seconds	2, 10, 3 shots after 10 seconds
Time Lapse (intervalometer):	Yes
High Resolution Composite:	No	No
Flash
Built-in Flash:	Yes	Yes
Flash Modes:	P-TTL, Red-eye reduction, Slow-speed sync, Rear Curtain Sync. High-Speed Sync and Wireless Sync also available with PENTAX dedicated external flash.	Auto, Auto/Red-eye Reduction (when iA, iA+), Forced On, Forced On/Red-eye Reduction, Slow Sync., Slow Sync./Red-eye Reduction, Off; Built-in flash supports wireless mode (4 channels, 3 groups)
Flash Guide Number (ISO 100):	13.0 m / 42.7 ft.	12.0 m / 39.4 ft.
Flash Range Description:	Depends on lens	Lens dependent; GN = 17m (ISO 200)
Max Flash Sync:	1/180	1/250
Flash Exposure Compensation:	-2 to +1 EV in 0.5EV steps	+/- 3.0 EV in 0.3EV steps
External Flash Connection:	Hot Shoe, PC Sync socket	Hot Shoe, PC Sync Socket
Built-In Wireless Flash Control:	Full TTL exposure
Image Storage
Usable Memory Types:	SD / SDHC / SDXC	SD / SDHC / SDXC
UHS Support:	UHS-I	UHS-I
Other Memory:
Dual Card Slots:	Yes	No
RAW Capture Support:	Yes	Yes
Uncompressed Format:	14-bit RAW (.PEF, .DNG), RAW+JPEG	RAW, RAW + JPEG
Movie File Format:	MPEG-4 AVC/H.264 (MOV), Motion JPEG (AVI) for interval movie record	MOV (Audio format LPCM), MP4 (Audio format LPCM / AAC 2ch), AVCHD (Audio format: Dolby Digital 2ch)
Included Memory:	No memory included	No memory included
Included Memory Type:
Connectivity
Built-In Wi-Fi:	No	Yes
NFC:	No	Yes
Bluetooth:	No	No
Built-In GPS:	No	No
Microphone Jack:	Yes	Yes
Headphone Jack:	Yes	Yes
External Connections:	USB 3.0 Super Speed	USB 2.0 High Speed,WiFi
PictBridge Compliant:	No	Yes
DPOF Compliant:	Yes	Yes
Remote Control:	Yes	Yes
Remote Control Type:	Optional Wired or IR	Optional wired DMW-RSL1
Connections (extended):	Micro (Type D) HMDI, USB 3.0 Micro B, DC input, wired remote jack, 3.5mm external stereo mic jack, 3.5mm stereo headphone jack	Micro HDMI (Type-D), 2.5mm Remote Jack, 3.5mm Mic Jack, 3.5mm Headphone Jack, DMW-YAGH IU Connections

Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):	0.79	0.35
Cycle time for RAW shooting in single shot mode (seconds per frame):	0.64	0.40
Buffer size for RAW shooting in single shot mode (frames):	Unlimited	Unlimited
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):	0.69	0.35
Camera penalizes early shutter press?	No	No
JPEG shooting speed in burst mode (fps, max resolution):	7.1	12.8
Buffer size for JPEG shooting in burst mode (frames, max resolution):	75	Unlimited
RAW shooting speed in burst mode (fps):	7.1	11.8
Buffer size for RAW shooting in burst mode (frames):	24	21
RAW+JPEG shooting speed in burst mode (fps):	7.1	11.9
Buffer Size for RAW+JPEG shooting in burst mode (frames):	25	21
Shutter lag (full AF, wide/mid):	0.14 seconds	0.19 seconds
Shutter lag (full AF, tele):
Shutter lag (full AF, live view - DSLR):	1.01 seconds
Shutter lag (prefocused, live view - DSLR):	0.226 seconds
Shutter Lag (manual focus):	0.097 seconds	0.057 seconds
Shutter lag (full AF, with flash):	0.33 seconds	0.35 seconds
Shutter Lag (prefocused):	0.096 seconds	0.050 seconds
Shutter Lag (notes):	Full AF lag, Wide-area mode, OVF = 0.157s Live View: Center mode AF lag = 1.014s Wide-area mode AF lag = 1.005s Prefocused = 0.226s	Full AF, wide-area AF mode = 0.186s
Startup Time:	0.9 seconds	0.8 seconds
Play -> Record Time:	0.6 seconds	0.7 seconds
Flash cycle time, full power:	2.3 seconds	4.2 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):		530 shots
Battery Life, Still (CIPA Rating OVF/EVF):	560 shots	500 shots
Battery Life, Video:
Battery Form Factor:	Proprietary D-LI90	Proprietary
Usable Battery Types:	Lithium-ion rechargeable	Lithium-ion rechargeable
Batteries Included:	1 x Proprietary D-LI90 Lithium-ion rechargeable	1 x Proprietary Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter):	Yes	Yes
Dedicated Battery Charger Included:	Yes	Yes
Internal Charging Supported:	No	No
Software
Included Software:	Software CD-ROM S-SW140	PHOTOfunSTUDIO 9.5 PE (Windows XP / Vista / 7 / 8); SILKYPIX Developer Studio 4.1 SE (Windows XP / Vista / 7 / 8, Mac OS X v10.5-10.8); LoiLoScope (trial version) (Windows XP / Vista / 7 / 8)
OS Compatibility:		Windows, Mac OS X
Miscellaneous
Notes & Features:	Image stabilization system also acts as a selectable AA filter, 8.3 fps full-res burst mode, new 27-point AF system, new 86,000 pixel RGB metering system, Full HD video up to 60i with H.264 encoding, dual SD card slots, freeze-proof, dust-proof, weather-resistant magnesium alloy construction, USB 3.0 port.	Up to 4Kp30 Ultra HD video, higher-res EVF and OLED monitor, 12fps full-res burst mode, 1/8000s top shutter speed, 1/250 x-sync, 200K shutter, optional DMW-YAGH Interface Unit.