39GX90SA-W vs 40U990A-W Review & Comparison: Specs & Key Differences
These two Monitors models are compared by exact stored specifications. Start with different values, then verify installation, included accessories and current availability on LG USA.
| Specification | LG 39GX90SA-W | LG 40U990A-W |
|---|---|---|
| Product | 39 Inch UltraGear™ OLED WQHD 240Hz 0.03ms G-Sync Compatible 800R Curved Gaming Monitor with webOS | 40 Inch UltraFine evo™ 5K2K WUHD Nano IPS Black Monitor with Thunderbolt™ 5 PD 96W |
Review Summary & Key Differences
Prioritize any specification that changes fit, compatibility or daily use. Treat a missing value as unverified rather than assuming the feature is absent.