• 1/2.35 inch 27.3mm2
  • 8.0 megapixels
  • 36.00mm - 180.00mm (35mm eq.)
  • 1/2.3 inch 28.1mm2
  • 16.0 megapixels
  • 25.00mm - 300.00mm (35mm eq.)
  • Detailed specifications
  • Pentax Optio V20
  • Nikon Coolpix S6400
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: V20 S6400
Alternate Model Number(s):    
Camera Format: Ultra Compact Compact
Currently Manufactured: No No
Retail Price: $279.95 $249.95
Street Price: $203.33  
Date Available: 2008-05-15 2012-09-15
Tripod Mount: Yes Yes
Weight: 5.1 oz (145 g)
includes batteries 		5.3 oz (150 g)
includes batteries
Size: 3.8 x 2.2 x 0.9 in.
(97 x 56 x 23 mm) 		3.8 x 2.3 x 1.1 in.
(95 x 59 x 27 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CMOS
Sensor Manufacturer:    
Effective Megapixels: 8.0 16.0
Sensor Format: 1/2.35 inch 1/2.3 inch
Sensor size: 27.2556mm2 (6.03mm x 4.52mm) 28.0735mm2 (6.17mm x 4.55mm)
Approximate Pixel Pitch: 1.85 microns 1.34 microns
Focal Length Multiplier: n/a n/a
Aspect Ratio: 4:3 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter:    
Self-Cleaning: No No
Sensor shift image stabilization: No No
On-Sensor Phase Detect: No No
DxO Sensor Score:    
DxO Color Depth Score (bits):    
DxO Dynamic Range Score (evs):    
DxO Maximum Effective ISO Score (iso):    
Image Capture
Image Resolution: 3264 x 2448 (8.0 MP, 4:3),
2592 x 1944 (5.0 MP, 4:3),
2304 x 1728 (4.0 MP, 4:3),
2048 x 1536 (3.1 MP, 4:3),
1600 x 1200 (1.9 MP, 4:3),
1024 x 768 (0.8 MP, 4:3),
640 x 480 (0.3 MP, 4:3) 		4608 x 3456 (15.9 MP, 4:3),
3264 x 2448 (8.0 MP, 4:3),
2272 x 1704 (3.9 MP, 4:3),
1600 x 1200 (1.9 MP, 4:3),
640 x 480 (0.3 MP, 4:3),
4608 x 2592 (11.9 MP, 16:9),
1920 x 1080 (2.1 MP, 16:9)
Image File Format: JPEG (EXIF 2.2) JPEG, MPO
Continuous-mode frames/second: 1.4 10.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 640x480 (30/​15)
320x240 (30/​15) 		1920x1080 (30p)
1280x720 (30p)
Movie File Format: AVI (Motion JPEG) MOV (Video: MPEG-4 AVC/H.264, Audio: AAC stereo)
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder:
HD Video Out: Yes
HD Video Connection: HDMI
Lens & Optics
Lens Mount: n/a n/a
Lens: SMC Pentax Zoom; 8 elements, 6 groups (4 aspherical elements) Zoom-Nikkor VR ED lens; 8 elements in 8 groups
Focal Length (35mm equivalent): 36 - 180mm 25 - 300mm
Focal Length (actual): 6.3 - 31.5mm 4.5 - 54mm
Zoom Ratio: 5.00x 12.00x
Aperture Range: f/3.5 (wide) - f/5.6 (tele) - ??? f/3.1 (wide) / f/6.5 (tele) - ??; electronically controlled ND filter
Integrated ND Filter: No No
Normal Focus Range: 40 cm to Infinity
15.7 in to Infinity 		50 cm to Infinity
19.7 in to Infinity
Macro Focus Range: 10 - 50 cm
3.9 - 19.7 in 		10 cm to Infinity
3.9 in to Infinity
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: Yes Yes
Digital Zoom Values: Up to 5.1x; up to 25.5x total Intelligent Zoom at VGA Up to 4x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 9 point Contrast Detect AF; spot/auto-tracking available Contrast Detection: Auto (9-area automatic selection), Center, Face priority, Manual (focus area can be selected using the touch panel), Subject tracking
Auto Focus Assist Light? No Yes
Manual Focus: Yes No
Viewfinder
Viewfinder: LCD LCD
Viewfinder Type:    
Focus Peaking: No No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent):    
Viewfinder Magnification (nominal/claimed):    
Display
Eye-level Viewfinder: No No
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 230,000 dots 460,000 dots
Touchscreen: No Yes
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 8.0x  
Top Deck Display:
Exposure
Maximum ISO (native):    
Minimum ISO (native):    
ISO Settings: Auto, 80, 100, 200, 400, 800, 1600, 3200, 6400 (6400 in Digital SR mode only) Auto (125-1600), Fixed Range Auto (125-400, 125-800), 125, 200, 400, 800, 1600; ISO 3200 available when using Auto exposure mode
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Tungsten, Fluorescent, Manual Auto, Daylight, Incandescent, Fluorescent, Cloudy, Flash, Preset Manual (Custom)
Shutter Speed Range: 1/2000 - 4 sec 1/4000 - 4 sec
Bulb Mode: No No
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: TTL metering: Multi-segment, Center-weighted, Spot 256-segment matrix, Center-weighted (digital zoom less than 2X), Spot (digital zoom 2X or more)
Program Auto Exposure: Yes Yes
Aperture Priority: No No
Shutter Priority: No No
Full Manual Exposure: No No
Creative Exposure Modes: , Night Scene, Landscape, Portrait, Sport, Flower, Night Scene, Landscape, Flower, Natural Skin Tone, Portrait, Surf & Snow, Sport, Digital SR (5M), Kids, Pet, Food, Panorama, Digital Wide Angle (5M) Back Light, Beach, Black and White Copy, Close Up, Copy, Draw, Dusk/Dawn, Easy Panorama, Fireworks Show, Food, Landscape, Museum, Night Landscape, Night Portrait, Party/Indoor, Pet Portrait Portrait, Snow, Sports, Sunset, 3D Photography
Self Timer: 2 or 10 seconds 2 or 10 seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, flash on, flash off, redeye Auto, Auto & Red-eye reduction, Flash off, Fill flash, Slow sync
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: 14’ (wide, auto ISO), 9.2’ (tele, auto ISO) Auto ISO: [W]: 0.5 to 6.2m (1ft. 8 in. to 20 ft.) [T]: 1.2 to 2.9m (4 ft. to 9 ft. 6 in.)
Max Flash Sync:    
Flash Exposure Compensation:    
External Flash Connection: n/a n/a
Built-In Wireless Flash Control:    
Image Storage
Usable Memory Types: SD / SDHC SD / SDHC / SDXC
UHS Support:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: No No
Uncompressed Format:    
Movie File Format: AVI (Motion JPEG) MOV (Video: MPEG-4 AVC/H.264, Audio: AAC stereo)
Included Memory: 51.1 MB 78.0 MB
Included Memory Type: Internal Internal
Connectivity
Built-In Wi-Fi: No Yes
NFC: 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,WiFi
PictBridge Compliant: Yes No
DPOF Compliant: Yes Yes
Remote Control:
Remote Control Type:    
Connections (extended):   Mini (Type-C) HDMI
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):    
Cycle time for RAW shooting in single shot mode (seconds per frame):    
Buffer size for RAW shooting in single shot mode (frames):    
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):    
Camera penalizes early shutter press?
JPEG shooting speed in burst mode (fps, max resolution): 1.4 10.0
Buffer size for JPEG shooting in burst mode (frames, max resolution):   7
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):    
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus):    
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused):    
Shutter Lag (notes):    
Startup Time:    
Play -> Record Time:    
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 200 shots 160 shots
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI78 Proprietary EN-EL19
Usable Battery Types: Lithium Ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI78 Lithium Ion rechargeable 1 x Proprietary EN-EL19 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included:
Internal Charging Supported:
Software
Included Software: Software (S-SW77) CD-ROM Nikon ViewNX 2 CD-ROM
OS Compatibility: Windows, Mac OS  
Miscellaneous
Notes & Features: Face Recognition AF&AE , Smile Capture, Blink Detection For Portraits. Optical image stabilization, 3-inch touchscreen LCD, 1080p Full HD movies, 3D photos, 10fps full-resolution burst mode (7 frames). Available in purple, silver, red or blue.