Pentax K-x vs Fujifilm S4000 Specifications

Leave Feedback

APS-C 369.7mm²
12.4 megapixels
ISO 200 - 6400

Go in depth with our full Pentax K-x Review.
See real-world photos taken with the K-x.

1/2.3 inch 28.1mm²
14.0 megapixels
24.00mm - 720.00mm (35mm eq.)

Go in depth with our full Fujifilm S4000 Review.

Detailed specifications
Pentax K-x
Fujifilm FinePix S4000

Links
Prices:
Manufacturer URL:	Manufacturer website	Manufacturer website
Predecessor:	Pentax K2000 K2000 vs K-x
Successor:	Pentax K-r K-x vs K-r
General
Model Number:	K-x	S4000
Alternate Model Number(s):
Camera Format:	SLR	EVF
Currently Manufactured:	No	No
Retail Price:	$649.95	$279.95
Street Price:	$701.76	$205.00
Date Available:	2009-10-15	2011-03-30
Tripod Mount:	Yes	Yes
Weight:	27.9 oz (791 g) includes batteries, kit lens	19.0 oz (540 g) includes batteries
Size:	4.8 x 3.6 x 2.7 in. (122 x 92 x 69 mm)	4.6 x 3.2 x 3.9 in. (118 x 81 x 100 mm)
Waterproof:	No	No
Waterproof Depth:	n/a	n/a

Image Sensor
Sensor Type:	CMOS	CCD
Sensor Manufacturer:
Effective Megapixels:	12.4	14.0
Sensor Format:	APS-C	1/2.3 inch
Sensor size:	369.72mm² (23.7mm x 15.6mm)	28.0735mm² (6.17mm x 4.55mm)
Approximate Pixel Pitch:	5.53 microns	1.44 microns
Focal Length Multiplier:	1.5x	n/a
Aspect Ratio:	3:2	4:3, 16:9
Color Filter Type:	RGBG
Anti Aliasing Filter:	Fixed
Self-Cleaning:	Yes	No
Sensor shift image stabilization:	Yes	Yes
On-Sensor Phase Detect:	No	No
DxO Sensor Score:	72
DxO Color Depth Score (bits):	22.8
DxO Dynamic Range Score (evs):	12.5
DxO Maximum Effective ISO Score (iso):	811
Image Capture
Image Resolution:	4288 x 2848 (12.2 MP, Other), 3936 x 2624 (10.3 MP, 3:2), 3072 x 2048 (6.3 MP, 3:2), 1728 x 1152 (2.0 MP, 3:2)	4288 x 3216 (13.8 MP, 4:3), 4288 x 2864 (12.3 MP, 3:2), 4288 x 2416 (10.4 MP, Other), 3072 x 2304 (7.1 MP, 4:3), 3072 x 2048 (6.3 MP, 3:2), 3072 x 1728 (5.3 MP, 16:9), 2048 x 1536 (3.1 MP, 4:3), 2048 x 1360 (2.8 MP, Other), 1920 x 1080 (2.1 MP, 16:9)
Image File Format:	JPEG (EXIF 2.21), 12-bit RAW (.PEF, .DNG)	JPEG
Continuous-mode frames/second:	4.3	1.2
Video Capture
Can take movies:	Yes	Yes
Movie Resolution:	1280x720 (24) 640x416 (24)	1280x720 (30) 640x480 (30) 320x240 (30)
Movie File Format:		AVI (Motion JPEG)
Composite Video Out:	Yes	Yes
NTSC/PAL Switchable Video:	Yes	Yes
Video Usable as Viewfinder:	No
HD Video Out:	No	Yes
HD Video Connection:		HDMI

Lens & Optics
Lens Mount:	Pentax K (KA/KAF/KAF2/3)	n/a
Lens:	smc Pentax DA L 18-55mm f/3.5-5.6 AL	Fujinon Zoom with Super EBC Coating, 15 elements in 11 groups
Focal Length (35mm equivalent):	27 - 84mm	24 - 720mm
Focal Length (actual):	18 - 55mm	4.3 - 129mm
Zoom Ratio:	3.00x	30.00x
Aperture Range:	f/3.5 - 22 (W), f/5.6 - 38 (T)	f/3.1 (wide) / f/5.9 (tele) - ??
Integrated ND Filter:	No	No
Normal Focus Range:		40 cm to Infinity 15.7 in to Infinity
Macro Focus Range:		2 - 100 cm 0.8 - 39.4 in
Filter Thread:	52.0mm	n/a
Thread Type:	n/a	n/a
Optical Image Stabilization:	No	No
Digital Zoom:	No	Yes
Digital Zoom Values:	n/a	Up to 6.7x
Auto Focus
Auto Focus:	Yes	Yes
Auto Focus Type:	SAFOX VIII TTL phase-detect 11 point (9 cross) AF: 11 pt auto, 5 pt auto, AF pt select, center/spot	Contrast Detect AF; Center, Multi, Area, Tracking
Auto Focus Assist Light?	Yes	Yes
Manual Focus:	Yes	No
Viewfinder
Viewfinder:	Optical / LCD	EVF / LCD
Viewfinder Type:	SLR type; fixed eye-level pentamirror, 96% coverage, 0.85x mag., -2.5 to +1.5 diopter	EVF type; 0.2-inch., 200K-dots color LCD
Focus Peaking:	No	No
EVF Resolution:	n/a
Viewfinder Magnification (35mm equivalent):	0.57x
Viewfinder Magnification (nominal/claimed):	0.85x
Display
Eye-level Viewfinder:	Yes	Yes
Rear Display:	Yes	Yes
Rear Display Size (inches):	2.7	3.0
Rear Display Resolution:	230,000 dots	460,000 dots
Touchscreen:	No	No
Articulating Screen:	No	No
Tilt Swivel Screen:	No	No
Selfie Screen:	No	No
Max Playback Zoom:	16.0x
Top Deck Display:	No

Exposure
Maximum ISO (native):	6400
Minimum ISO (native):	200
ISO Settings:	Auto (200-6400), 100, 200, 400, 800, 1600, 3200, 6400; expandable to 12800	Auto, Equivalent to ISO 64 / 100 / 200 / 400 / 800 / 1600 / 3200* / 6400* (Standard Output Sensitivity) * * ISO3200/6400 is effective in S mode.
Auto ISO Mode:	Yes	Yes
White Balance Settings:	Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (D, N, W, L), Flash, Custom	Auto, Fine, Shade, Fluorescent light (Daylight), Fluorescent light (Warm white), Fluorescent light (Cool white), Incandescent light, Custom
Shutter Speed Range:	1/6000 - 30 sec	1/2000 - 8 sec
Bulb Mode:	Yes	No
Exposure Compensation:	+/- 2.0EV in 0.3EV steps	+/- 2.0EV in 0.3EV steps
Metering Modes:	16-segment Multi, Center-weighted, Spot	256-zone Multi, Average, Spot
Program Auto Exposure:	Yes	Yes
Aperture Priority:	Yes	Yes
Shutter Priority:	Yes	Yes
Full Manual Exposure:	Yes	Yes
Creative Exposure Modes:	Auto Picture (Portrait, Landscape, Macro, Action, Night Scene Portrait, Picture (Portrait, Landscape, Macro, Action, Night Scene Portrait, Standard Flash Off), Scene (Night Scene, Surf & Snow, Food, Sunset, Kids, Pet, Candlelight, Museum, Stage Lighting [JPG], Night Snap [JPG]), Sensitivity Priority	SR AUTO, AUTO, P, S, A, M, Custom, Movie, Panorama, SP; Zoom Bracketing, Natural Light & with Flash, Natural Light, Portrait, Baby, Smile, Landscape, Sport, Night, Night (Tripod), Fireworks, Sunset, Snow, Beach, Party, Flower, Text.
Self Timer:	2 or 12 seconds	2 or 10 seconds
Time Lapse (intervalometer):
High Resolution Composite:	No	No
Flash
Built-in Flash:	Yes	Yes
Flash Modes:	On, off, redeye, slow sync, slow sync w redeye, slow sync w trailing curtain, wireless	Auto, Forced, Suppressed, Slow Synchro, Red-eye Reduction Auto, Red-eye Reduction Forced, Red-eye Reduction & Slow Synchro
Flash Guide Number (ISO 100):	11.3 m / 37.1 ft.	n/a
Flash Range Description:	Depends on lens	n/a
Max Flash Sync:	1/180
Flash Exposure Compensation:	-2 to +1 EV in 0.5EV steps
External Flash Connection:	Hot Shoe	n/a
Built-In Wireless Flash Control:	Full TTL exposure
Image Storage
Usable Memory Types:	SD / SDHC	SD / SDHC
UHS Support:
Other Memory:
Dual Card Slots:	No	No
RAW Capture Support:	Yes	No
Uncompressed Format:	12-bit RAW (.PEF, .DNG)
Movie File Format:		AVI (Motion JPEG)
Included Memory:	No memory included	0.0 MB
Included Memory Type:
Connectivity
Built-In Wi-Fi:	No	No
NFC:	No	No
Bluetooth:	No	No
Built-In GPS:	No	No
Microphone Jack:	No	No
Headphone Jack:	No	No
External Connections:	USB 2.0 High Speed	USB 2.0 High Speed
PictBridge Compliant:	No	No
DPOF Compliant:	Yes	Yes
Remote Control:	Yes
Remote Control Type:	Optional IR
Connections (extended):	AC adapter available	Mini HDMI

Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):	0.39
Cycle time for RAW shooting in single shot mode (seconds per frame):	0.43
Buffer size for RAW shooting in single shot mode (frames):	10
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):
Camera penalizes early shutter press?	No
JPEG shooting speed in burst mode (fps, max resolution):	4.3	1.2
Buffer size for JPEG shooting in burst mode (frames, max resolution):	25
RAW shooting speed in burst mode (fps):
Buffer size for RAW shooting in burst mode (frames):
RAW+JPEG shooting speed in burst mode (fps):
Buffer Size for RAW+JPEG shooting in burst mode (frames):
Shutter lag (full AF, wide/mid):	0.10 seconds
Shutter lag (full AF, tele):
Shutter lag (full AF, live view - DSLR):
Shutter lag (prefocused, live view - DSLR):
Shutter Lag (manual focus):	0.082 seconds
Shutter lag (full AF, with flash):	0.23 seconds
Shutter Lag (prefocused):	0.082 seconds
Shutter Lag (notes):	Live View: Phase-detect Full AF: 0.448s Contrast-detect Full AF: 2.567s Prefocused: 0.427s
Startup Time:	0.6 seconds
Play -> Record Time:	0.2 seconds
Flash cycle time, full power:	3.3 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):		500 shots (NiMH AA)
Battery Life, Still (CIPA Rating OVF/EVF):	420 shots (NiMH AA)
Battery Life, Video:
Battery Form Factor:	4 x AA	4 x AA
Usable Battery Types:	Lithium, Alkaline disposables; NiMH rechargeables	Alkaline or Lithium disposable, NiMH rechargeable
Batteries Included:	4 x AA Alkaline disposables	4 x AA Alkaline disposable
Battery Charger Included (dedicated charger or AC/USB adapter):	No	No
Dedicated Battery Charger Included:
Internal Charging Supported:
Software
Included Software:	CD-ROM
OS Compatibility:	Windows XP/Vista/7, MacOS-X 10.3+
Miscellaneous
Notes & Features:	Sensor-shift shake reduction, 720p HD video capture, Live View with face detection. Available in black or white. Limited edition colors of red and navy will become available at select locations to be announced.	Dual Image Stabilization (CCD-shift, High ISO), 720p HD Movies with optical zoom, Face Detection, Smile/Blink Detection, Tracking AF, Motion Panorama with Auto Stitch, HDMI Output, Instant Zoom (max zoom with a touch of a button), Zoom Bracketing (3 different zoomed images with one press of the shutter), Face Recognition with Image Search (register up to 8 faces with name, birthday; recognizes registered faces, can prioritize them for focus and exposure), i-Flash Intelligent Flash.