The specs side by side, with links to both product pages.
*Price sourced from Amazon.com. Last updated 2026-09-29. Price and availability subject to change.
| Spec | LG 27UP650K-W 27-inch Ultrafine 4K UHD… | LG 27UL850-W 27 Inch UltraFine (3840 x… |
|---|---|---|
| Brand | LG | LG |
| Color | White | White |
| Shape | Flat | Flat |
| Voltage | 240 volts | 100240 volts |
| Brightness | 400 cd | 400 candela_per_square_meter |
| Model Name | 27UP650K-W.AUS | UltraGear |
| Resolution | 4K UHD 2160p | 4K UHD 2160p |
| Unit Count | 1 Count | 1 Count |
| Color Gamut | 0.95 | 0.99 |
| Screen Size | 27 inches | 27 inches |
| Aspect Ratio | 16:9 | 16:9 |
| Display Type | LED | LED |
| Model Number | 27UP650K-W | 27UL850-W |
| Refresh Rate | 60 hertz | 61 hertz |
Already narrowing? Open each product page for the full spec sheet, FAQ, and a link to the current Amazon price: LG 27UP650K-W 27-inch Ultrafine 4K UHD… · LG 27UL850-W 27 Inch UltraFine (3840 x…. Browse the full Gaming Monitors catalog or read our Gaming Monitors buying guide for tier picks. You can also compare up to four products side-by-side, jump to all categories, or check the benchmarks index for hardware-only matchups.