• 1/2.33 inch 28.2mm2
  • 12.0 megapixels
  • 28.00mm - 140.00mm (35mm eq.)
  • 1/2.3 inch 28.1mm2
  • 10.0 megapixels
  • 37.00mm - 122.00mm (35mm eq.)
  • Detailed specifications
  • Nikon Coolpix S640
  • Canon PowerShot A800
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: S640 A800
Alternate Model Number(s):    
Camera Format: Ultra Compact Compact
Currently Manufactured: No No
Retail Price: $249.95 $89.99
Street Price:   $89.95
Date Available: 2009-09-15 2011-02-15
Tripod Mount: Yes Yes
Weight: 3.9 oz (110 g) 6.6 oz (186 g)
includes batteries
Size: 3.6 x 2.2 x 0.8 in.
(91 x 55 x 21 mm) 		3.7 x 2.4 x 1.2 in.
(94 x 62 x 31 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CCD
Sensor Manufacturer:    
Effective Megapixels: 12.0 10.0
Sensor Format: 1/2.33 inch 1/2.3 inch
Sensor size: 28.198mm2 (6.13mm x 4.6mm) 28.0735mm2 (6.17mm x 4.55mm)
Approximate Pixel Pitch: 1.53 microns 1.69 microns
Focal Length Multiplier: n/a n/a
Aspect Ratio: 4:3 4:3
Color Filter Type:   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: 4000 x 3000 (12.0 MP, 4:3),
3968 x 2232 (8.9 MP, 16:9),
3264 x 2448 (8.0 MP, 4:3),
2592 x 1944 (5.0 MP, 4:3),
2048 x 1536 (3.1 MP, 4:3),
1024 x 768 (0.8 MP, 4:3),
640 x 480 (0.3 MP, 4:3) 		3648 x 2736 (10.0 MP, 4:3),
3648 x 2048 (7.5 MP, 16:9),
2816 x 2112 (5.9 MP, 4:3),
1600 x 1200 (1.9 MP, 4:3),
640 x 480 (0.3 MP, 4:3)
Image File Format: JPEG JPEG (EXIF 2.3)
Continuous-mode frames/second: n/a 0.8
Video Capture
Can take movies: Yes Yes
Movie Resolution: 640x480 (30) 640x480 (30/​30 LP)
320x240 (30)
Movie File Format:   AVI (Image: Motion JPEG; Audio: WAVE (Monaural))
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder:
HD Video Out: No
HD Video Connection:
Lens & Optics
Lens Mount: n/a n/a
Lens: Nikkor lens Canon Zoom Lens
Focal Length (35mm equivalent): 28 - 140mm 37 - 122mm
Focal Length (actual): 5 - 25mm 6.6 - 21.6mm
Zoom Ratio: 5.00x 3.30x
Aperture Range: f/2.7 (wide) / f/6.6 (tele) - ??? f/3.0 (W) to f/5.8 (T)
Integrated ND Filter: No No
Normal Focus Range: 45 cm to Infinity
17.7 in to Infinity 		1 cm to Infinity
0.4 in to Infinity
Macro Focus Range: 2 cm to Infinity
0.8 in to Infinity 		1 - 50 cm
0.4 - 19.7 in
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: Yes No
Digital Zoom: Yes Yes
Digital Zoom Values: Up to 4x Up to 4x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast Detection with Face-Priority AF Contrast Detect AF with Face Detection
Auto Focus Assist Light? No No
Manual Focus: No 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): 2.7 2.5
Rear Display Resolution: 230,000 dots 115,000 dots
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom:   10.0x
Top Deck Display:
Exposure
Maximum ISO (native):    
Minimum ISO (native):    
ISO Settings: Auto (100 - 1600) 100, 200, 400, 800, 1600, 3200, 6400 Auto, 100, 200, 400, 800, 1600; Low Light: ISO 500-3200
Auto ISO Mode: Yes Yes
White Balance Settings:   Auto, Daylight, Cloudy, Tungsten, Fluorescent, Fluorescent H, Custom
Shutter Speed Range:   1/2000 - 15 sec
Bulb Mode: No No
Exposure Compensation:   +/- 2.0EV in 0.3EV steps
Metering Modes:   Evaluative, Center-weighted average, Spot
Program Auto Exposure: No Yes
Aperture Priority: No No
Shutter Priority: No No
Full Manual Exposure: No No
Creative Exposure Modes: 16 Scene Modes Scene Modes: Blur Reduction, Portrait, Kids & Pets, Face Self-timer, Low Light, Super Vivid, Poster Effect, Beach, Foliage, Snow, Sunset, Fireworks, Long Shutter
Self Timer:   2 , 10, custom seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: n/a Auto, On, Slow Synchro, Off
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: n/a Auto ISO: 12 in.-9.8 ft. (W), 12 in.-6.6 ft. (T) (30cm-3.0m (W), 30cm-2.0m (T))
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 (Image: Motion JPEG; Audio: WAVE (Monaural))
Included Memory: 45.0 MB No memory included
Included Memory Type: built-in memory  
Connectivity
Built-In Wi-Fi: No No
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
PictBridge Compliant: No Yes
DPOF Compliant: No Yes
Remote Control:
Remote Control Type:    
Connections (extended): DC Input  
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):   0.8
Buffer size for JPEG shooting in burst mode (frames, max resolution):    
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): 270 shots 500 shots (NiMH AA)
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: Proprietary EN-EL12 2 x AA
Usable Battery Types: Lithium-ion rechargeable Alkaline, Lithium disposables, NiMH rechargeables
Batteries Included: 1 x Proprietary EN-EL12 Lithium-ion rechargeable 2 x AA Alkaline disposables
Battery Charger Included (dedicated charger or AC/USB adapter): Yes No
Dedicated Battery Charger Included:
Internal Charging Supported:
Software
Included Software: Nikon Software Suite CD-ROM Canon Software Suite CD-ROM
OS Compatibility:   Windows, Mac OS
Miscellaneous
Notes & Features: Optical VR Image Stabilization, Motion Detection, Best Shot Selector (BSS), Smart Portrait System. Available in Calm Black, Velour Red, Precious Pink, and Pearl White. Smart Auto. Available in red, black and silver.