Updated Aug 19, 2026· 5 min read

Key takeaways

  • 240Hz plus OLED response gives outstanding, smear-free motion clarity
  • Perfect OLED blacks and strong HDR contrast
  • QHD at 27 inches is sharp yet easy for mid-range GPUs to drive fast
  • WOLED panel handles reflections and text better than glossy rivals

The LG UltraGear 27GX704A-B is a 27-inch QHD OLED gaming monitor running at 240Hz with a rated 0.03ms response time, G-Sync compatibility, and DisplayHDR True Black 400. It is LG’s play for the competitive-leaning sweet spot: 1440p resolution that a mid-range card can drive at high frame rates, paired with the motion clarity and contrast of an OLED panel.

It is aimed at players who prioritize speed and responsiveness but refuse to give up OLED image quality, and who find 4K OLED panels too demanding or too expensive. If you want a fast, punchy 27-inch display for a mix of competitive shooters and immersive single-player games in 2026, this monitor targets exactly that balance.

Our top picks

Top pickLG 27GX704A-B 27-inch Ultragear QHD (2650x1440) OLED Gaming Monitor 240Hz, 0.03ms, NVIDIA G-Sync Compatible, AMD FreeSync Premium Pro, VESA Display HDR TrueBlack400, HDMI 2.1, DisplayPort, BlackLG 27GX704A-B 27-inch Ultragear QHD
  • LG UltraGear OLED Goes Glossy - Experience ultra-smooth,…
  • Next-Level OLED Brightness, for Next-Level Play - The…
  • VESA DisplayHDR True Black 400 - An OLED…
Check price on Amazon
Also greatLG 45GX950A-B 45-inch Ultragear 5K2K WUHD (5120 x 2160) OLED Curved Gaming Monitor, Dual-Mode, 165Hz, 0.03ms, NVIDIA G-Sync, AMD FreeSync Premium Pro, HDR True Black 400, USB Type-C 90W, DP2.1LG 45GX950A-B 45-inch Ultragear 5K2K WUHD
  • World's First 5K2K OLED Gaming Monitor - Gaming…
  • Sharp Text Clarity with Reduced Color Fringe -…
  • Bright 45" OLED Picture: Up to 1300 nits…
Check price on Amazon
Also greatLG 32GX850A-B 32" UltraGear 4K UHD (3840 x 2160) Glossy OLED Gaming Monitor, Dual-Mode 165Hz/330Hz, 0.03ms, G-SYNC, FreeSync Premium Pro, TrueBlack 400, HDMI, DP, Tilt/Height/Swivel/Pivot Stand, BlackLG 32GX850A-B 32" UltraGear 4K UHD
  • 32" 4K UHD Glossy OLED Display - Experience…
  • Bright OLED Gaming - This UltraGear features Micro…
  • VESA DisplayHDR True Black 400 & 1.5M:1 Contrast…
Check price on Amazon
ProductKey specs
LG 27GX704A-B 27-inch Ultragear QHDLG UltraGear OLED Goes Glossy - Experience ultra-smooth,…
Next-Level OLED Brightness, for Next-Level Play - The…
VESA DisplayHDR True Black 400 - An OLED…
Check price
LG 45GX950A-B 45-inch Ultragear 5K2K WUHDWorld's First 5K2K OLED Gaming Monitor - Gaming…
Sharp Text Clarity with Reduced Color Fringe -…
Bright 45" OLED Picture: Up to 1300 nits…
Check price
LG 32GX850A-B 32" UltraGear 4K UHD32" 4K UHD Glossy OLED Display - Experience…
Bright OLED Gaming - This UltraGear features Micro…
VESA DisplayHDR True Black 400 & 1.5M:1 Contrast…
Check price
LG 27GX790A-B 27-inch Ultragear OLED Gaming MonitorCheck price
LG ‎27GS93QE 27-inch Ultragear OLED Gaming Monitor240Hz Refresh Rate - Gear up for smooth…
VESA DisplayHDR True Black 400 & 1.5M:1 contrast…
SYNC Compatible and AMD FreeSync Premium Pro -…
Check price
LG 45GX900A-B 45-Inch Ultragear WQHDThe 240Hz OLED gaming monitor that’s Ahead of…
Up to 240Hz & 0.03ms
Ultimate Frame Sync: FreeSync Premium Pro & G-SYNC…
Check price
LG 32GX870A-B 32-inch Ultragear 4K UHDDual Mode: 4K UHD 240Hz or Full HD…
Leave Lag Behind with 0.03ms Response Time -…
SYNC Compatible and AMD FreeSync Premium Pro -…
Check price
LG 39GX950B-B 39-inch Ultragear evo 5K2K WUHDThe World’s First 39" 5K2K OLED Gaming Monitor…
AI Upscaling to 5K2K—No GPU Upgrade Required -…
Next-Gen Brilliance with 4th Gen RGB Tandem OLED…
Check price

As an Amazon Associate we earn from qualifying purchases at no extra cost to you.

⚡ Save on Your Next PC — Amazon Prime

Prime members get fast free shipping on the systems above, plus early access to Prime Day & Black Friday PC deals. New members get a 30-day free trial.

Start 30-Day Prime Trial →See Prime PC Deals

Watch: LG UltraGear OLED Review — Video Review

Design & Build

LG keeps the UltraGear styling clean and functional: slim bezels, a stable stand with tilt and height adjustment, and a restrained aesthetic with a touch of rear accent lighting. The panel uses LG’s WOLED technology, which favors sharper text rendering and stronger reflection handling than glossy QD-OLED rivals. Connectivity includes HDMI 2.1 and DisplayPort, and LG bundles its usual burn-in mitigation tools and a warranty that covers the panel. The build feels solid without straying into over-designed gamer excess.

Performance

At 240Hz with OLED’s effectively instant pixel response, motion is exceptionally clean, with none of the smearing that dogs LCD panels in fast scenes. This is where the monitor shines for competitive play: fast flicks and tracking feel crisp and connected. The QHD resolution on a 27-inch panel gives a sharp, dense image that is far easier to drive at high frame rates than 4K, so mid-range GPUs can actually hit that refresh ceiling.

Contrast is superb thanks to OLED’s per-pixel blacks, and HDR content looks rich, though like all current OLEDs full-screen brightness is modest compared with high-end LCDs. The WOLED panel’s text clarity is a practical plus if you also work at the desk. The main compromise is that 1440p is not as razor-sharp as 4K, which some buyers with powerful cards may miss.

Pros & Cons

  • 240Hz plus OLED response gives outstanding, smear-free motion clarity
  • Perfect OLED blacks and strong HDR contrast
  • QHD at 27 inches is sharp yet easy for mid-range GPUs to drive fast
  • WOLED panel handles reflections and text better than glossy rivals
  • Full-screen brightness is modest next to premium LCDs
  • 1440p is less crisp than 4K for those with high-end cards
  • OLED burn-in remains a consideration for heavy static-content use

Alternatives to Consider

If you crave even faster motion, the LG UltraGear 27GX790A-B pushes the same 27-inch QHD panel to a blistering 480Hz for hardcore esports players. Buyers who want 4K sharpness and a dual-mode refresh trick should look at the LG 32GX850A-B, a 32-inch 4K OLED that switches between high resolution and high refresh. For a wraparound experience, the ultrawide LG 45GX950A-B curved 5K2K OLED offers a dramatically wider canvas at a much higher price.

Frequently Asked Questions

Is 1440p at 27 inches sharp enough?

Yes, for most gamers it strikes an excellent balance. The pixel density on a 27-inch QHD panel produces a crisp image, and the lower resolution than 4K means your graphics card can far more easily sustain the 240Hz refresh rate.

Do I need a top-tier GPU for this monitor?

No. Because it is 1440p rather than 4K, a capable mid-range card can drive high frame rates and take advantage of the 240Hz panel. This is a big part of the monitor’s appeal versus more demanding 4K OLEDs.

How does WOLED compare to QD-OLED?

LG’s WOLED panels generally offer better reflection handling and clearer text, while QD-OLED tends to have more saturated, brighter color. Both deliver perfect blacks; the choice comes down to whether you prioritize color pop or desktop clarity and glare control.

Is it good for competitive gaming?

Very much so. The combination of 240Hz, near-instant OLED response, and low input lag makes fast-paced shooters feel sharp and responsive, which is exactly the audience this panel targets.

Verdict

The LG UltraGear 27GX704A-B is one of the smartest OLED gaming buys in 2026, delivering elite motion clarity and gorgeous contrast at a resolution mid-range systems can actually push to 240Hz. You give up some outright sharpness versus 4K and the usual OLED brightness ceiling, but for fast, immersive gaming without a flagship GPU, it hits a near-ideal balance.

L
Lucas Hayes
We compare specs, materials and verified owner reviews before a product earns a spot. Rankings are never paid.

FAQ

Is 1440p at 27 inches sharp enough?
Yes, for most gamers it strikes an excellent balance. The pixel density on a 27-inch QHD panel produces a crisp image, and the lower resolution than 4K means your graphics card can far more easily sustain the 240Hz refresh rate.
Do I need a top-tier GPU for this monitor?
No. Because it is 1440p rather than 4K, a capable mid-range card can drive high frame rates and take advantage of the 240Hz panel. This is a big part of the monitor’s appeal versus more demanding 4K OLEDs.
How does WOLED compare to QD-OLED?
LG’s WOLED panels generally offer better reflection handling and clearer text, while QD-OLED tends to have more saturated, brighter color. Both deliver perfect blacks; the choice comes down to whether you prioritize color pop or desktop clarity and glare control.
Is it good for competitive gaming?
Very much so. The combination of 240Hz, near-instant OLED response, and low input lag makes fast-paced shooters feel sharp and responsive, which is exactly the audience this panel targets.
Affiliate disclosure. As an Amazon Associate we earn from qualifying purchases at no extra cost to you. Prices accurate as of the date shown.
LG UltraGear OLED Review (2026)Check price on Amazon