BenQ GP520 wins on brightness (2600 ANSI vs 2300 ISO lumens) and price ($1499 vs $1699) while adding HDR10+ and a newer 2025 release. XGIMI Horizon Ultra counters with Dolby Vision, Harman Kardon speakers, and Intelligent Screen Adaptation 3.0 on its 2023 TI 0.47-inch chipset. The BenQ is the stronger pick for most users needing higher light output.