When comparing LG PH300 vs Optoma UHD60 4K, the Slant community recommends LG PH300 for most people. In the question“What are the best projectors?” LG PH300 is ranked 6th while Optoma UHD60 4K is ranked 8th. The most important reason people chose LG PH300 is:
LG PH300 has a native 1280x720 high-definition resolution with a 16:9 aspect ratio. This is great for playing video content. For a pico-projector, the PH300 also has very decent black levels (the contrast ratio is 100 000:1).
Specs
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Pros
Pro Great picture for video content
LG PH300 has a native 1280x720 high-definition resolution with a 16:9 aspect ratio. This is great for playing video content. For a pico-projector, the PH300 also has very decent black levels (the contrast ratio is 100 000:1).
Pro Very small and light
This LG is only 2.5 x 3.5 x 4.5 inches in size. It weighs just one pound.
Pro Everlasting lamp
The lamp lasts for up to 30 000 hours, so you probably will never have to replace it. Replacement lamps for PH300 are hard to find anyways.
Pro Low input lag for gaming
It has a 33ms input lag, meaning you can take it to a lan-party or play video games on a big screen while travelling.
Pro Rather quiet fans
The fan noise is a high-pitch whiny noise: 26 dB in normal mode and 28 dB in high brightness mode. The projector is rather quiet, but you can still hear the fans buzzing.
Pro 4K resolution
The Optoma UHD60 has true 4K resolution, meaning you can play 4K content that is extremely sharp and detailed.
It's a DLP(digital light processing) single-chip projector. The DLP's digital mirror device switches very fast and creates multiple pixels for each 4K image frame, adding advanced processing the projector produces a real 4K picture. The projector got a 'real 4K' approval by the independent Consumer Technology Association.
Pro Great contrast for a lifelike picture
Thanks to its HDR(high dynamic range) playback, the contrast level on this projector is 1,000,000:1, meaning the blacks are one million times darker than the whites. This makes the image deep and lifelike.
Pro Low input lag for a good gaming experience
This Optoma has an input lag of only 33 ms, which makes gaming convenient.
Pro Bright enough for some ambient light
The projector has 3000 ANSI Lumens of brightness, meaning you can watch movies even during daytime, as long as you keep the curtains closed.
Cons
Con Poor sound quality
It’s not recommended to use the built-in audio system. These one-watt stereo speakers have disappointing sound quality.
Con Rainbow artifacts
It is a single-chip DLP projector, so you might experience a rainbow effect on the screen every once in a while.
Con Very large in size
Though for a home cinema, the projector size doesn't matter too much, the projector is huge, measuring W490 x H141 x D331 mm.