Optoma HD20 VS HD33 VS HD66
| Optoma HD20 | Optoma HD33 | Optoma HD66 |
 |  |  |
| Bright at 1700 ANSI lumens and contrast ratio of 4000:1 Up to 300" screen size for large group viewing Perfect for connecting to any home entertainment device with HDMI, component, composite video and VGA Backlit IR remote control Features Texas Instruments 1080p DLP chipset and BrilliantColor technology | Bright at 1800 ANSI lumens and contrast ratio of 4000:1 3D-capable for Blu-ray and gaming consoles Up to 300-inch screen size for large group viewing Features Texas Instruments 1080p DLP chipset PureMotion image processing ensures smooth, judder-free images | DLP Technology by Texas Instruments with BrilliantColor Technology 2500 Lumens produce a bright, crisp image Produces mind-boggling 3D images for high intensity gaming! Complete on-screen menu adjustments in 23 languages It has native 720P widesreen resolution |
| Spec | Optoma HD20 | Optoma HD33 | Optoma HD66 |
| Native Aspect Ratio | 16:9 | 16:9 | 16:9 |
| Interfaces | 2 x HDMI Digital Audio/Video In, 1 x 15-pin HD-15 VGA In, 1 x RCA Composite Video In, 1 x Component Video In, 1 x USB | HDMI Yes, Component Video Yes, Composite Video Yes, VGA Yes, USB Yes | HMDI Yes, CompositeVideo Yes, VGA Yes |
| Resolution | 1920 x 1080 |
| 1600 x 1200 |
| Projector Type | DLP Projector | DLP Projector | DLP Projector |
| Brightness | 1700 lm | 1800 lm | 2500 lm |
| Contrast Ratio | 4000:1 | 4000:1 | 4000:1 |
| Green Compliance |
| RoHS | RoHS |
| 3D Compatible |
| Yes |
|
| Broadcast Format Displayed | 1080p (HDTV) | 1080p | 1080p |
| Broadcast Format Supported | 1080i (HDTV), 1080p (HDTV), 720p (HDTV) | HDTV | HDTV |
| Min Diagonal Image Size | 37.6 in |
|
|
| Max Diagonal Image Size | 301.1 in | 300" | 301" |
| Min Projection Distance | 4.92 ft | 59" | 39.37" |
| Max Projection Distance | 32.8 ft | 32.80 ft | 32.81 ft |
| Light Source Type | P-VIP Lamp | OSRAM Lamp | P-VIP Lamp |
| Light Source Power | 230 W | 230 W | 185 W |
| Light Source Life | 3000 Hour | 3000 Hour | 3000 Hour |
| Interface Connection | 2 x HDMI Digital Audio/Video In, 1 x 15-pin HD-15 VGA In, 1 x RCA Composite Video In, 1 x Component Video In, 1 x USB | HDMI Yes, Component Video Yes, Composite Video Yes, VGA Yes, USB Yes | HMDI Yes, CompositeVideo Yes, VGA Yes |
| Noise Rating | 34 dB |
|
|
| Projection Method | Front | Rear | Ceiling |
| Number of Lamps | 1 |
|
|
| Zoom Type | Manual Zoom | Manual Zoom | Manual Zoom |
| Economy Mode Lamp Life | 4000 Hour | 4000 Hour | 4000 Hour |
| Compatible Aspect Ratio | 4:3 | 16:10 | 4:3 |
| Maximum Vertical Sync | 85 Hz | 85 Hz | 120 Hz |
| Maximum Horizontal Sync | 91 kHz | 91.10 kHz | 91.10 kHz |
| Number of HDMI | 4 | 2 | 2 |
| Output Scan Format | 1080p | 1080p | 720p |
| 3D Type |
| 3D Ready |
|
| Throw Ratio |
| 1.5 to 1.8:1 Distance:Width |
|
| Uniformity |
| 80% | 85% |
| Zoom Ratio |
| 1.2:1 |
|
| Native Resolution |
| 1920 x 1080 | 1280 x 720 |
| Manual Zoom Factor |
| 1.2x | 1.1x |
| Minimum Lens Aperture |
| F/2.55 | F/2.41 |
| Maximum Lens Aperture |
| F/2.87 | F/2.55 |
| Graphic Mode |
| Full HD |
|
| Amazon Price | $899.00 Update 23/08/2012 | $1,279.00 Update 23/08/2012 | $539.00 Update 23/08/2012 |
| Walmart Price | $883.82 Update 23/08/2012 |
| $563.21 Update 23/08/2012 |
