LG UltraGear 27GX790A-B vs AOC AGON PRO AG276QZD2
LG UltraGear 27GX790A-B (#4) vs AOC AGON PRO AG276QZD2 (#5, best budget): in our 240Hz+ Gaming Monitors scoring the LG UltraGear 27GX790A-B totals 8.9/10 and the AOC AGON PRO AG276QZD2 8.8/10. At $746 versus $399, the AOC AGON PRO AG276QZD2 costs $347 less.
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TopsFive comparison scores
Side by side
| LG UltraGear 27GX790A-B | AOC AGON PRO AG276QZD2 | |
|---|---|---|
| Price | $746 | $399 |
| Resolution | 2560x1440 | 2560x1440 |
| Refresh Rate | 480Hz | 240Hz |
| Panel | WOLED | QD-OLED |
| Response Time | 0.03ms GtG | 0.03ms GtG |
| HDR | DisplayHDR True Black 400 | HDR400 True Black |
How they differ in real use
Built from our 240hz monitors scoring, each product's published specifications, and verified owner feedback — not hands-on testing.
Both the LG UltraGear 27GX790A-B and the AOC AGON PRO AG276QZD2 made our Top 5 240Hz+ Gaming Monitors, at #4 and #5 (best budget). The world's fastest OLED at 480Hz with MLA+ technology for 1300 nit peak brightness. Anti-glare coating and DisplayPort 2.1 make it future-proof for competitive gaming. QD-OLED at just $500—nearly $300 less than comparable OLED monitors. Samsung's QD-OLED panel delivers 240Hz with 0.03ms response and 99% DCI-P3 coverage at an unbeatable price.
We score 240hz+ gaming monitors on Speed (35%), Input Lag (25%), Panel Quality (20%), Features (10%) and Value (10%). On that basis the LG UltraGear 27GX790A-B totals 8.9 out of 10 and the AOC AGON PRO AG276QZD2 8.8. The widest gap is Value, where the AOC AGON PRO AG276QZD2 scores 9.2 against 7.3 for the LG UltraGear 27GX790A-B — performance per dollar. Features also separates them: 9.1 for the LG UltraGear 27GX790A-B versus 7.4 for the AOC AGON PRO AG276QZD2. The AOC AGON PRO AG276QZD2 claws back ground on Speed and Input Lag.
On paper, the specifications that actually differ: Refresh Rate — 480Hz on the LG UltraGear 27GX790A-B versus 240Hz on the AOC AGON PRO AG276QZD2; Panel — WOLED on the LG UltraGear 27GX790A-B versus QD-OLED on the AOC AGON PRO AG276QZD2; HDR — DisplayHDR True Black 400 on the LG UltraGear 27GX790A-B versus HDR400 True Black on the AOC AGON PRO AG276QZD2. They match on Resolution and Response Time.
Pricing as of February 1, 2026: $746 for the LG UltraGear 27GX790A-B and $399 for the AOC AGON PRO AG276QZD2, a $347 difference in the AOC AGON PRO AG276QZD2's favor. Owners praise the LG UltraGear 27GX790A-B for 480Hz OLED refresh rate and 0.03ms response time; the most common complaint is only 1440p resolution. Owners praise the AOC AGON PRO AG276QZD2 for qD-OLED at $500 and 240Hz with 0.03ms response; the most common complaint is only HDMI 2.0 (no 2.1).
LG UltraGear 27GX790A-B
- 480Hz OLED refresh rate
- 0.03ms response time
- 1300 nit peak (MLA+)
- DisplayPort 2.1
- Only 1440p resolution
- Expensive
- No built-in speakers
AOC AGON PRO AG276QZD2
- QD-OLED at $500
- 240Hz with 0.03ms response
- 99% DCI-P3 coverage
- Excellent factory calibration
- Only HDMI 2.0 (no 2.1)
- Glossy screen
- OLED burn-in risk
Which should you buy?
The LG UltraGear 27GX790A-B is the better fit for competitive esports players and motion clarity enthusiasts — it is the higher-scoring pick here, chiefly for Features and Panel Quality. The AOC AGON PRO AG276QZD2 is the better fit for budget OLED seekers and competitive FPS players, and the stronger choice if Value and Speed matter more to you than the overall score. If the $347 saving matters more than Value, the AOC AGON PRO AG276QZD2 is the better value. The LG UltraGear 27GX790A-B is a poor fit for 4K seekers; the AOC AGON PRO AG276QZD2 is a poor fit for console gamers needing HDMI 2.1.
Choose the LG UltraGear 27GX790A-B if
- Competitive esports players
- Motion clarity enthusiasts
- Those with high-end GPUs
Skip it if
- 4K seekers
- Productivity focus
Choose the AOC AGON PRO AG276QZD2 if
- Budget OLED seekers
- Competitive FPS players
- Value-conscious gamers
Skip it if
- Console gamers needing HDMI 2.1
- Those with static content
Common questions
Is the LG UltraGear 27GX790A-B better than the AOC AGON PRO AG276QZD2?
In our 240Hz+ Gaming Monitors ranking the LG UltraGear 27GX790A-B scores higher overall, 8.9 to 8.8, with the biggest advantage in Value. The AOC AGON PRO AG276QZD2 is stronger on Value and Speed, so it is the better pick if those matter most to you.
How much more does the LG UltraGear 27GX790A-B cost than the AOC AGON PRO AG276QZD2?
$347 more as of February 1, 2026: $746 for the LG UltraGear 27GX790A-B against $399 for the AOC AGON PRO AG276QZD2. Prices move, so the merchant page shows the current figure. What the extra buys is mostly Value — 9.2 versus 7.3 in our scoring.
What is the main difference between the LG UltraGear 27GX790A-B and the AOC AGON PRO AG276QZD2?
The headline spec difference is Refresh Rate: 480Hz on the LG UltraGear 27GX790A-B versus 240Hz on the AOC AGON PRO AG276QZD2. In use, the gap that matters most is Value (7.3 vs 9.2 in our scoring): performance per dollar.