Optoma GT720 DLP Projector Review
On the whole, it's a good projector, but if you're serious about gaming we'd recommend looking for something with a 720p or 1080p native resolution.
The Optoma GT720 is not a particularly noisy. With an ambient room level of 34.8dB, the noise increased to 39.2dB with the projector on and in Bright Lamp mode. If you put the lamp in Standard Mode, the noise decreases only slightly.
The Optoma GT720 is quite the little oven. In Bright Lamp mode (recommended), it warmed the air by 63 degrees at the exhaust fan. In Standard Lamp mode, it only warmed the air by 51 degrees, which is still warmer than some similar sized projectors we've reviewed.
The Optoma GT720's power requirements vary a little depending on what video mode you've selected, but even at it's brightest it'll only cost about $44.91 per year. Granted, that's a lot more than a large LCD TV or mid-sized plasma, but cheaper than some projectors we've reviewed.
Optoma estimates that the 180 watt P-VIP lamp will run 5000 hours in Standard Lamp mode and 3000 hours in Bright Lamp mode. The latter is recommended for better video performance.
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