LG UltraGear 32GX870B-B vs AOC Q27G4X

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

For most buyers the LG UltraGear 32GX870B-B is the better pick — it scores 73/100 to the AOC Q27G4X's 39, leading on Panel and Image Quality. Choose the AOC Q27G4X instead if you want to spend less.

Verdict

Our overall take, at a glance

LG UltraGear 32GX870B-B leads overall

LG UltraGear 32GX870B-B

AOC Q27G4X

Why it stands out

Performance Refresh Rate: 480 Hz (167% more)
Peak Brightness (HDR): 1,500 nits (275% more)
Performance Response Time (GtG): 0.03 ms (97% less)

Watch-outs

Compromises to know before you buy

LG UltraGear 32GX870B-B

No notable compromises found.

AOC Q27G4X

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

Winner by category for LG UltraGear 32GX870B-B vs AOC Q27G4X
Category	LG UltraGear 32GX870B-B	AOC Q27G4X	Winner
Panel	65	46	LG UltraGear 32GX870B-B
Image Quality	52	48	LG UltraGear 32GX870B-B
Performance	85	15	LG UltraGear 32GX870B-B
HDR	86	14	LG UltraGear 32GX870B-B
Connectivity	74	35	LG UltraGear 32GX870B-B
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 32GX870B-B

The LG UltraGear evo 32GX870B-B is a 32-inch OLED monitor engineered for immersive gaming performance. Designed for enthusiast PC and console gamers, it relies on OLED display technology to deliver high contrast and rapid motion response. It represents LG's high-end UltraGear gaming display category for demanding graphics workloads.

Best for Enthusiast gaming requiring deep contrast and fast visual responseBest for Dark-room gaming environments

Pros

32-inch OLED display technology provides self-lit pixels and high contrast
Tailored specifically for high-performance gaming setups

Cons

OLED panel technology carries inherent risks of static image retention over time

AOC Q27G4X

The AOC Q27G4X is a 27-inch QHD (2560x1440) gaming monitor built around a Fast IPS panel tailored for fluid gameplay. It combines a 180Hz maximum refresh rate, a 1ms GtG response time, and VESA DisplayHDR 400 capability. Designed primarily for PC gamers, it includes an esports-oriented ergonomic stand and support for both Adaptive Sync and NVIDIA G-Sync compatibility.

Best for Competitive 1440p PC gaming over DisplayPort connectionsBest for Desktops where a fully customizable, ergonomic stand is required

Pros

High 180Hz refresh rate over DisplayPort and fast 1ms GtG pixel response
Solid color performance covering 93.5% of the DCI-P3 spectrum
Versatile stand with 130mm height adjustment, tilt, swivel, and pivot capabilities
Support for Adaptive Sync and NVIDIA G-Sync compatibility to reduce screen tearing

Cons

HDMI connectivity is limited to HDMI 2.0, capping refresh rates at 144Hz on those ports
Does not include an integrated USB hub or built-in speakers

Value for Money

Which is the better deal for the price

Enter today's price for each product to see which offers better value. Use the same currency for both.

LG UltraGear 32GX870B-B

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AOC Q27G4X

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Physical Comparison

Weigh them up, then compare real dimensions in 3D

LG UltraGear 32GX870B-BAOC Q27G4X

LG UltraGear 32GX870B-B is 2.18 kg (64%) heavier than AOC Q27G4X.

Detailed Specifications

The full spec sheet, side by side

Panel

Feature	LG UltraGear 32GX870B-B	AOC Q27G4X
Screen Size	31.5 in17% more	27 in
Resolution	3840 × 2160 px	2560 × 1440 px
Panel Type
Aspect Ratio	16:9	16:9
Pixel Density	14028% more	109
Curved	No	No
Screen-to-body ratio	93%	89%

Image Quality

Feature	LG UltraGear 32GX870B-B	AOC Q27G4X
Brightness (typical)	335 nits	350 nits4% more
Contrast Ratio	1850000:1	1000:1
Color Gamut (DCI-P3)	996% more	93
Color Depth	10-bit	N/A

Performance

Feature	LG UltraGear 32GX870B-B	AOC Q27G4X
Refresh Rate	480 Hz167% more	180 Hz
Response Time (GtG)	0.03 ms97% less	1 ms
Adaptive Sync	FreeSync Premium Pro / G-Sync Compatible	Adaptive-Sync / G-Sync Compatible

HDR

Feature	LG UltraGear 32GX870B-B	AOC Q27G4X
HDR Format	HDR10, DisplayHDR True Black 500	HDR10, DisplayHDR 400
Peak Brightness (HDR)	1,500 nits275% more	400 nits

Connectivity

Feature	LG UltraGear 32GX870B-B	AOC Q27G4X
HDMI Ports	2	2
DisplayPort	1	1
USB-C	Yes	No
Power Delivery	90 W	N/A
USB Hub	Yes	No

Ergonomics

Feature	LG UltraGear 32GX870B-B	AOC Q27G4X
Height Adjustment	Yes	Yes
VESA Mount	100 × 100 px	100 × 100 px
Built-in Speakers	Yes	N/A
Dimensions (without stand)	71.41 × 41.18 × 6.5 cm	61.39 × 36.63 × 5.13 cm
Weight (without stand)	5.6 kg	3.42 kg
Release Date	N/A	February 8, 2024

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 32GX870B-B vs AOC Q27G4X comparison

Based on our overall comparison score, LG UltraGear 32GX870B-B rates higher at 84/100 versus 55/100 for AOC Q27G4X — a 29-point lead. LG UltraGear 32GX870B-B 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 32GX870B-B and AOC Q27G4X 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 84/100 for LG UltraGear 32GX870B-B and 55/100 for AOC Q27G4X.

If you want the higher-rated monitors option overall, LG UltraGear 32GX870B-B (84/100) edges out AOC Q27G4X (55/100). But if AOC Q27G4X 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.