Model DP-2520 DP-3520 Projection System DP-6620 Texas Instruments DLP Panel 0.55" x 1, Type X Technology 0.62" 720p, Type A SVGA 800x600 XGA 1024x768 720p WXGA 1280x768 2000 ANSI Lumens 2000 ANSI Lumens 2000 ANSI Lumens 2000 ANSI Lumens Eco mode (160W) 1500 ANSI Lumens 1500 ANSI Lumens 1500 ANSI Lumens 1500 ANSI Lumens 1800:1 1800:1 1800:1 1800:1 80% 80% 80% 80% Brightness Uniformity (Typical) Color Reproduction Graphic: 24 bit 16.