Originally Posted by freeride
It almost feels like they haven't made a good sub $5k 4K gaming projector yet. I'd be willing to pay more for: 4K (8 million pixels on screen), no grey border, low noise, < 30ms input lag, fast handshaking. I'm close to talking myself into an Epson 5050UB, but don't like paying nearly $3k for only 2 million pixels on screen, when I've already experienced 4M pixels on the HT2550.
As others have said, black velvet border should absorb the light border.
What is the room like? Color of walls? Ambient light?
What is the seating distance?
Have you decided on the size of the screen?
The 5050UB is capable of good blacks, but only if the walls are treated for reflections. With dark paint or fabric. Otherwise the black level will be lost.
The 5050UB version without the good black levels is the HC4010. What is also does not have is a 18GB HDMI chip, only a 10GB one. This means no 4K HDR, 60Hz at the most 4K HDR 30Hz. While this should only affect gaming, some streaming services/players require 60Hz for HDR, even though most video is at 24Hz.
The workaround for using the HC4010 is using 8 bit instead of 10/12 bit. 4K HDR 60Hz at 8 bit works. Outside of a PC, a HDfury linker can change the bit depth to 8 bit.
The Epson's mentioned here have lag in the 20-30ms range.
Some alternatives are:
5040UB refurbished at just over 1K$. Same as the 5050UB, it requires room treatment to achieve good blacks. Also has a 10GB HDMI chip.
While the HC3200/3800 and HC4010 have about the same contrast, the HC4010 has been said to have a better PQ. Discussion on this thread from this post onwards:
The HC4010/5040UB/5050UB have a larger chassis than the HC3200/3800 and are quieter. The latter are brighter.
All of these are bright enough to be used on Eco lamp, which is considered quiet. Unless the screen is 130-150" or larger and a higher lamp mode would need to be used.
Sharpness wise, it's complicated.
The Epson 4K's have ~4m pixels, the XPR DLP's have ~ 8m.
This review pits the HT3550 and the HC4010 with interesting results:
A continuation of this discussion:
And a general discussion on pixel shifting: