LG UltraGear 27GX790A vs LG UltraGear 27GS75Q-B

Updated Nov 2026 · Scored by the Let’s Compare Data Engine · How we score

For most buyers the LG UltraGear 27GX790A is the better pick — it scores 75/100 to the LG UltraGear 27GS75Q-B's 45, leading on Panel and Image Quality. Choose the LG UltraGear 27GS75Q-B instead if you want to spend less.

Verdict

Our overall take, at a glance

LG UltraGear 27GX790A leads overall

LG UltraGear 27GX790A

LG UltraGear 27GS75Q-B

Why it stands out

Performance Refresh Rate: 480 Hz (140% more)
Performance Response Time (GtG): 0.03 ms (97% less)
Panel Type: OLED (WOLED)

Watch-outs

Compromises to know before you buy

LG UltraGear 27GX790A

No USB-C — no single-cable laptop connection.

LG UltraGear 27GS75Q-B

No USB-C — no single-cable laptop connection.

Winner by category for LG UltraGear 27GX790A vs LG UltraGear 27GS75Q-B
Category	LG UltraGear 27GX790A	LG UltraGear 27GS75Q-B	Winner
Panel	60	51	LG UltraGear 27GX790A
Image Quality	91	54	LG UltraGear 27GX790A
Performance	84	16	LG UltraGear 27GX790A
HDR	100	0	LG UltraGear 27GX790A
Connectivity	38	38	Tie
Ergonomics	85	85	Tie

In-depth analysisAI

AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Nov 2026.

LG UltraGear 27GX790A

The LG UltraGear 27GX790A is a 26.5-inch flat monitor featuring a 1440p WOLED panel designed for high-end competitive gaming. It stands out with a 480 Hz refresh rate and an ultra-fast 0.03 ms response time to deliver exceptional motion smoothness. Image quality is enhanced by a 1,500,000:1 contrast ratio, 98% DCI-P3 color coverage, and peak HDR brightness reaching 1300 nits.

Best for Competitive esports gaming requiring maximum motion clarity and minimal latencyBest for HDR gaming in low-light environments demanding deep contrast and accurate colors

Pros

Ultra-high 480 Hz refresh rate paired with a near-instant 0.03 ms response time
Exceptional contrast ratio and deep black levels characteristic of WOLED technology
High peak HDR brightness of up to 1300 nits with DisplayHDR True Black 400 support
Broad adaptive-sync support covering both FreeSync Premium Pro and G-Sync compatibility

Cons

No USB-C connectivity for display input or single-cable charging
Modest typical SDR brightness rating of 275 nits

LG UltraGear 27GS75Q-B

The LG UltraGear 27GS75Q-B is a 27-inch gaming monitor designed for desktop gamers seeking a balance of crisp resolution and fluid motion. Positioning itself within LG's UltraGear performance lineup, it targets PC players who prioritize fast response times and clear visuals in fast-paced titles. Its conventional 27-inch form factor fits easily onto most gaming and productivity desk setups.

Best for 1440p PC gaming setups focused on smooth performanceBest for Mixed-use desktop setups requiring fluid motion for games and work

Pros

27-inch display size delivers sharp image clarity and comfortable pixel density
Tailored for high-frame-rate gaming with fast response capabilities
Versatile desktop footprint suitable for both gaming and daily work

Cons

Standard LCD panel contrast can lead to elevated black levels in dim lighting
Lacks advanced local dimming or OLED technology for true HDR contrast

Value for Money

Which is the better deal for the price

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LG UltraGear 27GX790A

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LG UltraGear 27GS75Q-B

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Physical Comparison

Weigh them up, then compare real dimensions in 3D

LG UltraGear 27GX790ALG UltraGear 27GS75Q-B

LG UltraGear 27GX790A is 1 kg (24%) heavier than LG UltraGear 27GS75Q-B.

Detailed Specifications

The full spec sheet, side by side

Panel

Feature	LG UltraGear 27GX790A	LG UltraGear 27GS75Q-B
Screen Size	26.5 in	27 in
Resolution	2560 × 1440 px	2560 × 1440 px
Panel Type
Aspect Ratio	16:9	16:9
Pixel Density	111	109
Curved	No	No
Screen-to-body ratio	91%	88%

Image Quality

Feature	LG UltraGear 27GX790A	LG UltraGear 27GS75Q-B
Brightness (typical)	275 nits	300 nits9% more
Contrast Ratio	1500000:1	1000:1
Color Gamut (DCI-P3)	98	N/A
Color Depth	10-bit	8-bit

Performance

Feature	LG UltraGear 27GX790A	LG UltraGear 27GS75Q-B
Refresh Rate	480 Hz140% more	200 Hz
Response Time (GtG)	0.03 ms97% less	1 ms
Adaptive Sync	G-Sync Compatible / FreeSync Premium Pro	FreeSync / G-Sync Compatible

HDR

Feature	LG UltraGear 27GX790A	LG UltraGear 27GS75Q-B
HDR Format	HDR10, DisplayHDR True Black 400	HDR10
Peak Brightness (HDR)	1,300 nits	N/A

Connectivity

Feature	LG UltraGear 27GX790A	LG UltraGear 27GS75Q-B
HDMI Ports	2	2
DisplayPort	1	1
USB-C	No	No
USB Hub	Yes	N/A

Ergonomics

Feature	LG UltraGear 27GX790A	LG UltraGear 27GS75Q-B
Height Adjustment	Yes	Yes
VESA Mount	100 × 100 px	100 × 100 px
Built-in Speakers	N/A	N/A
Dimensions (without stand)	60.52 × 35.1 × 4.53 cm	61.35 × 37.16 × 5.13 cm
Weight (without stand)	5.1 kg	4.1 kg
Release Date	N/A	N/A

Specification Note

Specifications are compiled from official manufacturer data and other reliable internet sources. Some features may vary by region or model configuration.

Frequently Asked Questions

Common questions about LG UltraGear 27GX790A vs LG UltraGear 27GS75Q-B comparison

Based on our overall comparison score, LG UltraGear 27GX790A rates higher at 74/100 versus 60/100 for LG UltraGear 27GS75Q-B — a 14-point lead. LG UltraGear 27GX790A is the stronger overall pick, though the right choice still depends on which specs matter most to you; the full spec table above breaks down every difference.

LG UltraGear 27GX790A and LG UltraGear 27GS75Q-B are compared side by side above across every spec in the monitors category — including performance, features and design — each scored 0–100 so you can see exactly where one leads the other. Our overall scores are 74/100 for LG UltraGear 27GX790A and 60/100 for LG UltraGear 27GS75Q-B.

If you want the higher-rated monitors option overall, LG UltraGear 27GX790A (74/100) edges out LG UltraGear 27GS75Q-B (60/100). But if LG UltraGear 27GS75Q-B is cheaper or stronger on the specific specs you care about, it can still be the better buy — use the spec table and strengths profile above to decide.