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The LG 27GX700A-B is a 27-inch-class, 1440p OLED gaming monitor with a 280Hz refresh rate, HDMI 2.1, and LG Display’s fourth-generation RGB Tandem OLED panel. It is a compelling fit for fast PC gaming if you want OLED contrast and prefer a matte screen—but it is not an automatic buy at any price. Text clarity, panel uniformity, OLED care, and the lack of DisplayPort 2.1 matter, particularly if you also plan to use it for long desktop-work sessions.
Verdict: At around $400, it can be an exceptional gaming value; around $500–$550, compare it closely with other tandem-OLED monitors; above $600, you should have a specific reason to prefer its matte finish or LG’s implementation. These are price-based guidelines, not a live quote: retailers have shown substantial price swings.
LG 27GX700A-B at a glance
- Best for: Competitive and general PC gaming at 1440p, especially for players who value OLED blacks, fast pixel response, and high refresh rates.
- Main strengths: 280Hz refresh, OLED contrast, HDMI 2.1, matte anti-glare treatment, and support for G-SYNC Compatible and FreeSync Premium Pro.
- Main trade-offs: QHD rather than 4K, DisplayPort 1.4 rather than 2.1, possible OLED text fringing and gray-uniformity variation, and the usual need to manage static content.
- Price test: Buy most confidently near $400; comparison-shop at $500–$550; be cautious above $600.
LG lists the monitor’s response time as 0.03ms and its HDR certification as DisplayHDR True Black 500. Those are useful specifications, but neither is a complete account of real-world motion or HDR brightness. The response-time figure is a manufacturer claim, and the HDR certification does not mean the screen sustains very high brightness across a full image. See LG’s product specifications and RTINGS’ independent testing.
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Specifications and connectivity
| Feature | What to know |
|---|---|
| Model | LG 27GX700A-B; some regional listings add a suffix such as .AUS. |
| Screen and resolution | 27-inch class, approximately 26.5 inches viewable; 2560 × 1440 (QHD). |
| Panel | Fourth-generation RGB Tandem OLED/WOLED. |
| Refresh rate | Up to 280Hz, with compatible hardware, input, settings, and frame rates. |
| HDR and VRR | DisplayHDR True Black 500; G-SYNC Compatible and FreeSync Premium Pro support. |
| Video inputs | HDMI 2.1 and DisplayPort 1.4. It does not have DisplayPort 2.1. |
| Other features | Small USB hub and headphone output with DTS Headphone:X support; this is not a full docking station or built-in speaker system. |
Do not confuse this model with other UltraGear monitors. The 27GX700A-B is a 280Hz display; LG collection-level messaging that mentions 480Hz or DisplayPort 2.1 does not mean this model runs at 480Hz or has DP 2.1. RTINGS identifies its DisplayPort connection as version 1.4. Confirm regional stand, VESA, and port details on the model’s manual or specification sheet before buying.
#1 Best Overall
- LG UltraGear OLED Goes Glossy - Experience ultra-smooth, tear-free gameplay with up to 240Hz refresh rate and 0.03ms response time on a glossy, bright 27” QHD OLED display. React instantly, spot every detail, and outpace your opponents in every frame with outrageous speed and clarity.
- Next-Level OLED Brightness, for Next-Level Play - The brilliant OLED display brings every scene to life with jaw-dropping color and intensity. Delivering a standard 275 nits of brightness and peaking at 1300 nits, your games shine with vivid clarity—keeping dark corners detailed, explosions dazzling, and the action always visible no matter the environment.
- VESA DisplayHDR True Black 400 - An OLED display with VESA DisplayHDR True Black 400 and a 1.5M:1 contrast ratio deliver deep blacks and dazzling highlights, so you catch every hidden detail in dark scenes and every spark in the bright ones. With up to 98.5% DCI-P3 color, your worlds burst with vibrant intensity—making every game feel more alive.
- Three UL Certifications. One Clear Advantage for Eye Comfort. - This UltraGear OLED display is three times UL-certified—for Anti-Glare, Flicker-Free, and Low Blue Light. Combined with a glossy finish, the display helps reduce distractions, keep your view crisp, and maintain visual comfort—so you can stay focused and perform at your best, even during extended gaming sessions.
- 27” OLED Brilliance with up to 240Hz of Game-Changing Speed - Experience ultra-smooth, tear-free gameplay with up to 240Hz refresh rate on a glossy, bright 27” QHD OLED display.
Gaming: where the monitor makes its case
OLED pixels switch very quickly, so motion can look exceptionally clean compared with slower LCD panels. The 280Hz ceiling is useful for esports and other games that can render at very high frame rates. It is not a guaranteed advantage in every game: demanding single-player titles may run well below 280 frames per second at 1440p, and a 60–144fps game cannot make full use of the panel’s maximum refresh.
That makes the monitor’s value partly dependent on your graphics card and game library. If you mainly play competitive shooters with settings tuned for high frame rates, the extra headroom over 240Hz can be relevant. If you mostly play cinematic games at capped frame rates, a discounted 240Hz OLED—or another display that better suits your priorities—may be the wiser spend. LG’s 0.03ms figure is a specification, not a promise that every transition or every operating condition measures exactly that way. Refresh-rate compliance, input lag, VRR behavior, and performance at different refresh rates are separate considerations; RTINGS’ review evaluates these aspects.
The display supports variable refresh rate through G-SYNC Compatible and FreeSync Premium Pro. VRR can smooth changes in frame rate, but OLED monitors may show flicker in some variable-frame-rate scenes or menus. Whether it is noticeable depends on the game, frame-rate swings, GPU, driver, and firmware. Check your own games rather than assuming either that flicker will occur everywhere or that VRR makes it impossible.
Do these 3 things before closing this tab:
1Fix the driver behind crashes, sound loss and screen glitches2Repair Windows errors before they cause bigger problems3Scan for outdated or missing drivers - takes under a minuteFor consoles, HDMI 2.1 is useful, but it does not turn the monitor into a 4K screen: its native resolution remains 1440p. A console may offer 1440p at up to 120Hz, or an output mode involving 4K signal handling and downsampling, depending on the console, game, input, and firmware. Check compatibility with your particular system and settings rather than assuming every 4K/120Hz mode will work identically.
Rank #2
- 240Hz Refresh Rate - Gear up for smooth gameplay with an ultra-fast 240Hz OLED display. The faster speed lets you respond quickly to opponents and stay a step ahead of the competition. Plus, enjoy smoother scenes with less lag or ghosting thanks to LG UltraGear OLED's nearly instantaneous 0.03ms (GtG) response time.
- VESA DisplayHDR True Black 400 & 1.5M:1 contrast ratio - VESA DisplayHDR True Black 400 certified means this monitor meets industry standards for brightness as well as deep, rich black color expression. With a 1.5M:1 contrast ration, the benefit for gaming impeccable color and image detail in dark scenes for a stunning visual experience.
- NVIDIA G-SYNC Compatible and AMD FreeSync Premium Pro - Officially validated by NVIDIA as G-SYNC Compatible and equipped with AMD FreeSync Premium Pro means this UltraGear provides smooth, fast action that reduces screen tearing and stutter. Never miss a frame of the action as you clinch your victories.
- Anti-Glare / Low Reflection OLED - Play with less distractions thanks to an anti-glare screen that minimizes light reflections and lets you concentrate on winning.
- 2 Year UltraGear OLED Warranty - Game with peace of mind. This UltraGear OLED gaming monitor is protected by a two year limited warranty covering internal and functional parts and labor, including OLED Display Panel. See Warranty Information on this page for all warranty details.
OLED image quality and HDR
OLED’s defining advantage is that each pixel can turn off for black, producing deep blacks and striking contrast in dark games and video. The panel also offers vivid color, wide viewing angles, and the kind of fast response that makes high-refresh gaming especially appealing. Those strengths are real, but the overall image depends on more than black level: coating, ambient light, near-black detail, factory tuning, and the uniformity of your individual panel all matter.
The tandem panel is a newer generation, and LG presents it as brighter and more vivid than earlier WOLED designs. That is not the same as proving that every HDR game will look dramatically brighter. HDR brightness changes with the size and duration of bright areas, the game’s mastering and tone mapping, automatic brightness limiting, firmware, and room lighting. DisplayHDR True Black 500 is a certification category, not a guarantee of sustained full-screen brightness or LCD-like brightness in every scene. Treat the generation as a technical advance, not as a promise that OLED’s brightness limitations have disappeared.
The matte coating is a practical choice if you have windows or room lights that would otherwise appear as mirror-like reflections. In a controlled, dim room, a glossy competitor may look clearer or more vivid to some viewers; the LG’s matte surface can look less crisp by comparison. Matte treatment reduces the character of reflections, but it does not eliminate all glare or prevent ambient light from affecting perceived blacks.
Pay attention to gray uniformity as well as black levels. Some OLED panels can show vertical bands or unevenness in dark gray fields, which may stand out in a uniform test screen, a dark browser background, or a panning scene. Panel-to-panel variation means one sample does not establish what every owner will see. Near-black detail and black crush also affect dark-scene image quality. If you notice distracting irregularities, decide within the retailer’s return window rather than assuming every unit will behave the same way.
Rank #3
- 32" 4K UHD Glossy OLED Display - Experience ultra-sharp visuals and lifelike color on a stunning 32-inch 4K UHD (3840 x 2160) glossy OLED display. Every detail pops with depth and vibrancy, bringing your favorite games and content to life.
- Bright OLED Gaming - This UltraGear features Micro Lens Array+ technology. So with a typical brightness of 275 nits, this monitor is brighter than previous UltraGear OLED gaming displays and has improved viewing angles.
- VESA DisplayHDR True Black 400 & 1.5M:1 Contrast Ratio - VESA DisplayHDR True Black 400 certified with upt to DCI-P3 98.5% color gamut means this monitor meets industry standards for brightness as well as deep, rich black color expression. With a 1.5M:1 contrast ration, the benefit for gaming impeccable color and image detail in dark scenes for a stunning visual experience.
- 32" UHD OLED Brilliance with 165Hz of Game-Changing Speed - Experience ultra-smooth, tear-free gameplay with up to 165Hz on a bright 32” Glossy UHD OLED display. React instantly, spot every detail, and outpace your opponents in every frame with outrageous speed and clarity.
- Leave Lag Behind with 0.03ms Response Time - Enjoy smoother scenes with less lag or ghosting thanks to LG UltraGear OLED's nearly instantaneous 0.03ms (GtG) response time.
Is it good for work and text?
It can handle general browsing, video, and mixed gaming use, but it is not the safest choice for someone whose top priority is crisp desktop text. A 27-inch 1440p screen has less pixel density than a 27-inch 4K monitor, and OLED subpixel structure can produce colored fringing around fine text. The matte surface can also affect perceived sharpness. Some people find the result perfectly usable; others are more sensitive to it. Retailer comments about text are anecdotal rather than controlled measurements, so use them as signs of a possible preference issue, not as a prediction for every viewer.
If you spend much of the day reading dense spreadsheets, coding with small fonts, or working with static windows, consider a 4K IPS or 4K OLED display and, if possible, inspect the LG in person or buy from a retailer with a straightforward return policy. The 27GX700A-B is more naturally a gaming-first display that can do ordinary desktop tasks than a work monitor with gaming as an afterthought.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.OLED care, burn-in, and the return window
Static taskbars, application panels, and other persistent elements can wear OLED pixels unevenly over time. Risk depends on how long content stays static, brightness, usage, and elapsed time; gaming-heavy use is generally a different pattern from leaving the same desktop layout on screen all day, but no OLED is risk-free. Use the monitor’s available protection features, such as pixel shifting and screen-saver options, and allow its automatic maintenance cycles to run. Avoid interrupting a cleaning cycle if the monitor indicates it is in progress.
Do not assume burn-in is covered—or excluded—based on a retailer summary or another region’s policy. Warranty wording can change and may vary by country. Check the exact terms for your purchase through LG’s US support page for the 27GX700A-B, and read any retailer or extended-plan exclusions before relying on coverage.
Rank #4
- Vivid Color, Fast Response, Total Control - The 27" UltraGear Full HD IPS gaming monitor delivers vivid HDR10 color, ultra-smooth 144Hz speed, and 1ms MBR clarity. G-SYNC compatibility & FreeSync keep gameplay tear-free. The sleek, slim design keep you focused and in control.
- 144Hz Refresh Rate - Enjoy fluid, gameplay with a 144Hz native refresh rate. Minimized motion blur keeps every frame sharp, so you can stay locked in on the action.
- 1ms MBR: Fast-Paced Speed to Victory - 1ms Motion Blur Reduction (MBR) keeps gameplay smooth and sharp, cutting blur and ghosting so fast-moving action stays clear—helping you stay competitive when every millisecond counts.
- NVIDIA G-SYNC Compatible & AMD FreeSync - NVIDIA G-SYNC Compatible and AMD FreeSync deliver smooth, tear-free, low-latency gaming with high refresh rates—so every frame stays sharp.
- Vivid Color that Puts You in the Action - Step onto the battlefield with HDR10 visuals and up to 99% sRGB color gamut coverage. The IPS display delivers rich, vivid tones, so every explosion, shadow, and landscape appears exactly as the developers intended.
What to check while returns are still available
- Check LG’s support page for current firmware and instructions; use the current manual rather than relying on remembered menu names.
- Set the operating system and graphics control panel to the highest supported refresh rate. Confirm the chosen input and cable support your intended mode.
- Enable G-SYNC Compatible or FreeSync if appropriate for your GPU, then test your actual games for VRR flicker.
- At your normal brightness, view a dark-gray image and look for bands or major unevenness. Do not assume a pattern visible on one unit will appear on every unit.
- Read small text at your normal viewing distance and decide whether any fringing bothers you.
- Try HDR in several games, not just a bright demo, and evaluate it in the room where you plan to play.
- Learn the monitor’s OLED protection and maintenance behavior, and allow automatic maintenance to complete.
- Keep the retailer’s return deadline in view while checking for pixel issues, tint, uniformity, and other defects you find distracting.
How it compares with alternatives
- Gigabyte MO27Q28G: RTINGS reports very similar overall performance and identifies the same underlying panel. Compare the two on price, coating, connectivity, features, and manufacturer tuning; shared panel technology does not make the monitors identical.
- ASUS ROG Strix OLED XG27AQWMG: A 1440p, 280Hz tandem-OLED alternative whose glossy coating is the main distinction highlighted by RTINGS. It may suit a controlled room if you prefer a glossy presentation, but visible reflections can be less comfortable in a bright room. Check current price and availability before deciding.
- LG 27GX704A-B: A 240Hz OLED with a glossy coating. If it costs substantially less and you do not need the additional 40Hz, it could be the better-value option.
- LG 27GX790A-B: An older-generation WOLED alternative rated up to 480Hz. It may interest players chasing the highest refresh rate, while the 27GX700A-B’s newer tandem panel is positioned around brightness and vivid color. Choose based on the actual price and the games and frame rates you use—not the number alone.
- Discounted 240Hz OLEDs: A prior-generation model can be a more rational buy if the discount is large. The step from 240Hz to 280Hz is not worth a major premium for everyone.
- 4K IPS or OLED: A better direction if fine desktop text, productivity sharpness, or a 4K image matters more than sustaining very high frame rates at QHD.
RTINGS finds the LG and Gigabyte tandem models similar overall and notes the ASUS glossy-coating distinction in its review and comparisons. Its results reflect tested firmware and a particular sample; the review notes firmware versions 3.02 and 2.04 during testing and later updates to 3.03 and 2.04. Firmware and individual-unit variation are reasons not to assume that every result will map perfectly to every production monitor.
Price and buying advice
Price changes the recommendation more than any single headline specification. A B&H listing observed during 2026 showed $399.99, reduced from $599.99, while other retailer listings or snapshots have been much higher. Those are volatile observations, not a current quote or a dependable regular price; check the retailer’s live listing before buying.
- Around $400: Excellent value if you want 1440p OLED gaming, accept its trade-offs, and can return a sample that does not suit you.
- Around $500–$550: Still attractive, especially for competitive gaming, but compare the Gigabyte and ASUS tandem-OLED options and discounted 240Hz OLEDs.
- $600 or more: Buy only if you specifically value the LG’s matte treatment, features, tuning, or availability over alternatives.
- Near $800–$850: Difficult to recommend on value alone; wait for a sale or look elsewhere unless you have a particular reason to choose this model.
The monitor makes the most sense when you can use its high refresh rate, want OLED contrast, prefer matte reflection handling, and have an easy way to assess the panel. Its case weakens if you pay a premium for 280Hz you will rarely use, need DP 2.1 or 4K, or depend on a static desktop all day.
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The Bottom Line
Bottom line: The LG 27GX700A-B is a strong 1440p OLED gaming monitor, not a universal desktop display. Buy it near $400–$550 if 280Hz gaming, OLED contrast, HDMI 2.1, and a matte screen match your setup—and inspect your unit during the return period. At higher prices, compare glossy tandem-OLED rivals or a cheaper 240Hz model; for text-heavy work, DisplayPort 2.1, or 4K, choose a different class of monitor.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
