Compare Samsung SP-P400B DLP Projector to ViewSonic PJD7583wi 3D Projector

Product Features: Display Technology: DLP; Type: DLP Projectors; Image Brightness: 150 ANSI lumens; Contrast Ratio: 1000:1; HDTV Formats: 480i, 480p, 576i, 576p; Form Factor: Portable; Weight: 4.85 lb.; Image Aspect Ratio: 4:3 (Standard); Image Size (Diagonal): 20 in. - 80 in.; Native Resolution: 800 x 600; Screen Distance: 2.26 ft. - 9.25 ft.; Analog Video Format: NTSC, NTSC 4.43, PAL, PAL 60, PAL-M, PAL-N, SECAM; Max Resolution (Interpolated): 800 x 600; Synchronization Range Horizontal: 30 - 70 kHz; Synchronization Range Vertical : 56 - 75 Hz; Audio Output: Speaker(s); Operation Noise: 28 dB; Memory Card Slot: USB; Interface: D-Sub 15 pin x 1, USB; Video Input: 15 Pin D-Sub VGA, Component Video, Composite Video; Light Source Life: 20000 Hours; Speakers Output: 2 W; Special Features: Keystone Correction; Depth: 5.75 in.; Height: 2.56 in.; Weight: 4.85 lb.; Width: 5.83 in. Less

1280X800 WXGA Ultra Short throw DLP iProjector, Interactive White Board (IWB) function, 2500 lumens, 3000 - 1 DCR, Projects 95 image from 1m, 120Hz/3D TI DLP Link ready, PC-less Picture Slide Show Presentation, Multiple Display Options. 7.7 lbs. Less