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LG UltraGear OLED 27GX700A: New 1,500 nit gaming monitor revealed with 4th Gen Primary RGB Tandem OLED panel

The UltraGear OLED 27GX700A complements its 280 Hz refresh rate with 0.03 ms GtG response times. (Image source: LG)
The UltraGear OLED 27GX700A complements its 280 Hz refresh rate with 0.03 ms GtG response times. (Image source: LG)
LG has lifted the lid on its first gaming monitor that leverages its 4th Gen Primary RGB Tandem OLED panel technology. Not only does the new technology run 20% more efficiently than previous WOLED generations, but it also allows the UltraGear OLED 27GX700A to reach 1,500 nits for a 15% peak brightness improvement on earlier gaming monitors.

LG Electronics has revealed initial details about its first fourth-generation OLED gaming monitor. For context, the company claimed last month that it had started mass-producing its 4th Gen Primary RGB Tandem OLED panel under its LG Display subsidiary. At the time, LG Display was expected to deliver the panel to manufacturers like Gigabyte in time for late summer 2025 releases.

Now, LG has unveiled the UltraGear OLED 27GX700A, which appears to share the same panel technology as the MO27Q28G that Gigabyte showcased at Computex 2025 in May. For reference, LG's new monitor is not to be confused with the UltraGear OLED 27GX790A that it released earlier this year (curr. $799.99 on Amazon).

(Image source: LG)
(Image source: LG)

Ultimately, the UltraGear OLED 27GX700A and 27GX790A both span 27 inches diagonally and deliver 2,560 x 1,440-pixel native resolutions. However, the former should run about 20% more efficiently than the latter while providing roughly 15% higher peak brightness.

Specifically, LG claims that the UltraGear OLED 27GX700A reaches up to 1,500 nits, although likely only across a small portion of its panel at any one time. Regardless, the monitor also offers 99.5% DCI-P3 colour space coverage and 280 Hz refresh rate, as well as VESA DisplayHDR True Black 500 Clear Motion Rate 13000 certifications. For the time being, it is unclear when LG plans to release its first 4th Gen Primary RGB Tandem OLED-backed gaming monitor. Please see the video below for more details.

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> Expert Reviews and News on Laptops, Smartphones and Tech Innovations > News > News Archive > Newsarchive 2025 07 > LG UltraGear OLED 27GX700A: New 1,500 nit gaming monitor revealed with 4th Gen Primary RGB Tandem OLED panel
Alex Alderson, 2025-07-17 (Update: 2025-07-17)