Other than being brighter, there seem to be no differences that would affect overall image quality. To get a good handle on all the aspects of the PLC-XL51's image quality, visit this section in the PLC-XL50 review
Introducing the Hisense C1: A cube-shaped 4K UHD lifestyle projector with an RGB triple laser light source and integrated JBL ...
The BenQ X3100i is a 4LED, 4K UHD (3,840 x 2,160p) 0.65" DLP short-throw gaming projector that offers a BenQ-rated ...
The BenQ V5000i is a $3,499 smart ultra-short throw 4K projector with RGB triple laser source. Ideal for vibrant, bright ...
The BenQ HT3560 is a 4K UHD projector offering vibrant colors and advanced features for $1,599. It offers a manufacturer-rated ...