Optoma LH352BST vs ViewSonic PX706HD
Optoma LH352BST is better for gaming. ViewSonic PX706HD is lighter.
| Key differences | ||
|---|---|---|
| White light output | ||
| White light output | 3,300 lm ISO | 3,000 lm ANSI |
| Lowest input lag | ||
| Lowest input lag | 8.4 msDerived | 16 msDerived |
| Light source | ||
| Light source | LED | Lamp |
| Fan noise | ||
| Fan noise | Normal 31 dB(A) · Eco 29 dB(A) | — |
| MSRP | ||
| MSRP | — | $799 |
| Room fit | ||
| Distance to screen | ||
| Distance to screen | 1.5–1.8 m | 1.5–1.8 m |
| Picture | ||
| White light output | ||
| White light output | 3,300 lm ISO | 3,000 lm ANSI |
| Brightness uniformity | ||
| Brightness uniformity | 85% | — |
| Imaging technology | ||
| Imaging technology | DLP | DLP |
| Chip / panel diagonal | ||
| Chip / panel diagonal | — | 0.65 in |
| Native resolution | ||
| Native resolution | 1080p (1920 × 1080) | 1080p (1920 × 1080) |
| Native aspect | ||
| Native aspect | 16:9Derived | 16:9Derived |
| Dynamic contrast | ||
| Dynamic contrast | 2,000,000:1 | 22,000:1 |
| Colour bit depth (per channel) | ||
| Colour bit depth (per channel) | — | 10 bit |
| 3D | ||
| 3D | Yes | Yes |
| 3D formats | ||
| 3D formats | — | Side-by-side, Top-bottom, Frame sequential |
| Light source | ||
| Light source | ||
| Light source | LED | Lamp |
| Lamp power | ||
| Lamp power | — | 240 W |
| Replacement lamp | ||
| Replacement lamp | — | RLC-118 |
| Light-source life | ||
| Light-source life | 30,000 h eco | 4,000 h normal · 15,000 h dynamic |
| Optics | ||
| Throw ratio | ||
| Throw ratio | 0.69–0.83:1 | 0.69–0.83:1 |
| Image size | ||
| Image size | 30–300 in | 60–120 in |
| Projection offset | ||
| Projection offset | 103% | — |
| Zoom | ||
| Zoom | Optical | Optical |
| Zoom ratio | ||
| Zoom ratio | 1.2×Derived | 1.2×Derived |
| Focal length | ||
| Focal length | 10.2–12.24 mm | — |
| Aperture (f-number) | ||
| Aperture (f-number) | 2.6–2.78 | — |
| Vertical lens shift | ||
| Vertical lens shift | — | None |
| Vertical keystone | ||
| Vertical keystone | 30° | 20° |
| Horizontal keystone | ||
| Horizontal keystone | 30° | — |
| Auto keystone | ||
| Auto keystone | — | Yes |
| Motion & gaming | ||
| Max input refresh | ||
| Max input refresh | 1080p: 120 Hz · 4K UHD: 60 Hz | — |
| Input lag | ||
| Input lag | 1080p: 60 Hz 16.7 ms · 120 Hz 8.4 ms · 4K UHD: 60 Hz 33.7 ms | 1080p: 60 Hz 16 ms |
| Inputs & control | ||
| HDMI inputs | ||
| HDMI inputs | 2 × HDMI 2.0 | 2 × HDMI 1.4 |
| Other video inputs | ||
| Other video inputs | — | VGA, Component, Composite |
| Max input resolution | ||
| Max input resolution | — | 1080p |
| Audio inputs | ||
| Audio inputs | — | 3.5 mm |
| Control ports | ||
| Control ports | RS-232 | RS-232 |
| Horizontal scan | ||
| Horizontal scan | 15–135 kHz | 15–102 kHz |
| Vertical scan | ||
| Vertical scan | 24–120 Hz | 23–120 Hz |
| Audio | ||
| Speaker power | ||
| Speaker power | 10 W | 5 W |
| Speakers | ||
| Speakers | 1 | 1 |
| Audio outputs | ||
| Audio outputs | 3.5 mm | 3.5 mm |
| HDMI audio return | ||
| HDMI audio return | NoneDerived | NoneDerived |
| Physical & installation | ||
| Dimensions (W × D × H) | ||
| Dimensions (W × D × H) | 307 × 228 × 126 mm | 293 × 220 × 115 mm |
| Weight | ||
| Weight | 3,175 g | 2,700 g |
| Orientations | ||
| Orientations | Table, Ceiling, Rear, 360° | — |
| Ceiling mount | ||
| Ceiling mount | — | M4, screws ≤ 8 mm |
| Environment & power | ||
| Operating temperature | ||
| Operating temperature | 0–40°C | 0–40°C |
| Operating humidity | ||
| Operating humidity | — | 10–90%RH |
| Altitude | ||
| Altitude | 3,048 m | 3,000 m · high-altitude mode |
| Power draw | ||
| Power draw | Max 226 W · Eco 124 W | Max 295 W |
| Standby | ||
| Standby | Up to 0.5 W | Up to 0.5 W |
| Mains input | ||
| Mains input | 100–240 V · 50/60 Hz | 100–240 V · 50/60 Hz |
| Fan noise | ||
| Fan noise | Normal 31 dB(A) · Eco 29 dB(A) | — |
| Safety & support | ||
| Risk group | ||
| Risk group | — | RG2 |
| Marks | ||
| Marks | — | CE, FCC |
| Warranty | ||
| Warranty | 1 yr (light source 5 yr or 12,000 h) | 3 yr (light source 1 yr) |
| User manual | ||
| User manual | https://region-resource.optoma.com/products/documents/zxu5ywIf5l6KP4tqTxtOSlYPnDy1LAh9a2E2o2E4.pdf | https://www.viewsonicglobal.com/public/products_download/user_guide/Projector/PX706HD/PX706HD_UG_ENG.pdf |
| Spare parts | ||
| Spare parts | — | Lamp RLC-118 |
| In the box | ||
| In the box | ||
| In the box | Power cord, Remote, Remote batteries, Quick start guide | Power cord, Remote, Quick start guide, USB cable |
| Remote | ||
| Remote | — | IR |

