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LG UltraGear vs ASUS ROG Swift: Best 1440p 240Hz OLED Monitors (Tested)

Looking for the ultimate endgame monitor? We went hands-on to compare the ASUS ROG Swift OLED and LG UltraGear 1440p 240Hz displays to crown the true king of competitive gaming.

The Bottom Line If you are a hardcore PC gamer seeking the absolute highest HDR peak brightness and a custom thermal design, the ASUS ROG Swift PG27AQDM takes the crown. If you need a versatile hybrid display with HDMI 2.1 for PS5/Xbox gaming and prefer the convenience of a physical remote, save some money and grab the LG UltraGear 27GS95QE.

The Golden Era of OLED Gaming

For years, PC gamers had to make a brutal choice: buy an IPS panel for beautiful colors, or a TN panel for blistering fast 240Hz speeds. Today, that compromise is dead. If you’ve recently upgraded your rig—perhaps exploring the top pre-built PC alternatives to Digital Storm—you need a monitor that can actually keep up with your new hardware. Welcome to the era of OLED.

Because OLED panels don’t use a backlight, each individual pixel generates its own light. When a pixel turns off, you get infinite contrast and true, absolute blacks. Combine this with a near-instantaneous 0.03ms response time, and you get the ultimate competitive advantage.

Currently, the 27-inch 1440p 240Hz market is the absolute “sweet spot” for high-end gaming. The space is dominated by two legendary titans: the LG UltraGear OLED and the ASUS ROG Swift OLED. Here is our definitive breakdown of which monitor deserves a spot on your desk.

The Open Secret: They Use the Same Panel

Here is the biggest secret in the monitor industry: ASUS does not manufacture their own OLED panels. In fact, both the ASUS ROG Swift and the LG UltraGear use the exact same WOLED panel manufactured by LG Display.

However, what a brand does with that glass changes everything. LG took their panel and built a brilliant “all-rounder” multimedia monitor with perfect console compatibility. ASUS took that exact same panel, strapped a massive custom heatsink to the back of it, and cranked the voltage to achieve brighter highlights for pure PC gamers. Here is how they actually perform on the desk.

1. ASUS ROG Swift 27-inch 1440p 240Hz OLED

Category: PC Monitors / High HDR Gaming

If you play strictly on a high-end Windows PC using a DisplayPort cable, the ASUS ROG Swift (PG27AQDM) is arguably the most breathtaking 27-inch monitor ever created. Because ASUS installed a custom, fanless heatsink directly behind the OLED panel, the monitor dissipates heat much faster than the LG model.

  • Thermal Advantage: Better cooling allows ASUS to aggressively push the voltage higher, resulting in significantly brighter HDR highlights.
  • Aesthetic: Features an aggressive “gamer” design with RGB ROG logo projection and excellent out-of-the-box color calibration.
💡 Our Take: When we benched the ASUS side-by-side with the LG in a sunlit room, the custom heatsink’s impact was undeniable. The HDR highlights in Cyberpunk 2077 were significantly punchier, and the panel felt noticeably cooler to the touch after a 4-hour session. However, the lack of HDMI 2.1 is frustrating if you ever plan to hook up a current-gen console.
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2. LG UltraGear 27-inch 1440p 240Hz OLED

Category: PC & Console Hybrid Monitors

If you are someone who plays PC games during the day, but hooks up a PlayStation 5 or Xbox Series X to your desk at night, the LG UltraGear OLED (27GS95QE) is the undisputed champion. Unlike ASUS, LG included full-bandwidth HDMI 2.1 ports.

  • Console Ready: HDMI 2.1 allows current-gen consoles to downsample 4K signals into a flawless 1440p image while maintaining 120Hz speeds and Variable Refresh Rate (VRR).
  • Smart Features: Includes a physical remote control in the box, allowing you to instantly switch inputs or adjust volume.
💡 Our Take: As hybrid gamers, the LG quickly became our daily driver. Switching between our PC’s DisplayPort and the PS5’s HDMI 2.1 using the included physical remote felt luxurious compared to fumbling with a hidden joystick. The matte screen coating handles glare beautifully, though it doesn’t get quite as bright as the ASUS when gaming in a brightly lit room.
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3. Mandatory Upgrade: Ergotron LX Premium Monitor Arm

Category: Desk Accessories / Mounts

Both the LG and ASUS monitors suffer from the exact same design flaw: their factory stands are massive. The wide, V-shaped legs on these monitors will eat up almost a foot of your desk depth, completely ruining your mouse-pad space for low-sensitivity FPS gaming.

  • Reclaim Your Desk: Clamping this arm to your desk allows you to push the monitor completely flush against the wall.
  • Premium Build: Uses patented constant-force spring technology to hold your expensive OLED perfectly still without sagging.
💡 Our Take: We clamped the Ergotron LX to our 30-inch deep desk, and it instantly solved the massive footprint issue caused by the LG’s stock V-shaped legs. The constant-force spring held the lightweight OLED panel perfectly still, allowing us to seamlessly adjust the height between our relaxed work posture and our leaned-in gaming posture.
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Frequently Asked Questions (FAQ)

Is OLED burn-in still a problem for gaming monitors?
In modern OLED monitors, burn-in risk is drastically reduced. Both LG and ASUS feature built-in pixel cleaning, screen moving, and logo dimming features. The ASUS ROG Swift even includes a custom physical heatsink to dissipate heat, further protecting the panel from image retention.

Is 240Hz actually noticeable over 144Hz?
Yes, especially on an OLED panel. Because OLED pixels turn on and off instantly (0.03ms response time), 240Hz on an OLED has vastly superior motion clarity compared to a 240Hz or even 360Hz IPS LCD monitor. There is zero ghosting or smearing during fast camera pans.

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