LG UltraGear 32GX870B-B vs LG UltraGear 27GX790A

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 61/100 to the LG UltraGear 27GX790A's 51, leading on Panel and Image Quality. Choose the LG UltraGear 27GX790A instead if you want to spend less.

Verdict

Our overall take, at a glance

LG UltraGear 32GX870B-B leads overall

LG UltraGear 32GX870B-B

LG UltraGear 27GX790A

Why it stands out

Panel Resolution: 3840 × 2160 px
Panel Pixel Density: 140 (26% more)
Image Quality Brightness (typical): 335 nits (22% more)

Watch-outs

Compromises to know before you buy

LG UltraGear 32GX870B-B

No notable compromises found.

LG UltraGear 27GX790A

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

Winner by category for LG UltraGear 32GX870B-B vs LG UltraGear 27GX790A
Category	LG UltraGear 32GX870B-B	LG UltraGear 27GX790A	Winner
Panel	64	53	LG UltraGear 32GX870B-B
Image Quality	52	48	LG UltraGear 32GX870B-B
Performance	50	50	Tie
HDR	56	44	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

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

Value for Money

Which is the better deal for the price

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LG UltraGear 32GX870B-B

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LG UltraGear 27GX790A

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Physical Comparison

Weigh them up, then compare real dimensions in 3D

LG UltraGear 32GX870B-BLG UltraGear 27GX790A

LG UltraGear 32GX870B-B is 0.5 kg (10%) heavier than LG UltraGear 27GX790A.

Detailed Specifications

The full spec sheet, side by side

Panel

Feature	LG UltraGear 32GX870B-B	LG UltraGear 27GX790A
Screen Size	31.5 in19% more	26.5 in
Resolution	3840 × 2160 px	2560 × 1440 px
Panel Type
Aspect Ratio	16:9	16:9
Pixel Density	14026% more	111
Curved	No	No
Screen-to-body ratio	93%	91%

Image Quality

Feature	LG UltraGear 32GX870B-B	LG UltraGear 27GX790A
Brightness (typical)	335 nits22% more	275 nits
Contrast Ratio	1850000:1	1500000:1
Color Gamut (DCI-P3)	99	98
Color Depth	10-bit	10-bit

Performance

Feature	LG UltraGear 32GX870B-B	LG UltraGear 27GX790A
Refresh Rate	480 Hz	480 Hz
Response Time (GtG)	0.03 ms	0.03 ms
Adaptive Sync	FreeSync Premium Pro / G-Sync Compatible	G-Sync Compatible / FreeSync Premium Pro

HDR

Feature	LG UltraGear 32GX870B-B	LG UltraGear 27GX790A
HDR Format	HDR10, DisplayHDR True Black 500	HDR10, DisplayHDR True Black 400
Peak Brightness (HDR)	1,500 nits15% more	1,300 nits

Connectivity

Feature	LG UltraGear 32GX870B-B	LG UltraGear 27GX790A
HDMI Ports	2	2
DisplayPort	1	1
USB-C	Yes	No
Power Delivery	90 W	N/A
USB Hub	Yes	Yes

Ergonomics

Feature	LG UltraGear 32GX870B-B	LG UltraGear 27GX790A
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	60.52 × 35.1 × 4.53 cm
Weight (without stand)	5.6 kg	5.1 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 32GX870B-B vs LG UltraGear 27GX790A comparison

Based on our overall comparison score, LG UltraGear 32GX870B-B rates higher at 84/100 versus 74/100 for LG UltraGear 27GX790A — a 10-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 LG UltraGear 27GX790A 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 74/100 for LG UltraGear 27GX790A.

If you want the higher-rated monitors option overall, LG UltraGear 32GX870B-B (84/100) edges out LG UltraGear 27GX790A (74/100). But if LG UltraGear 27GX790A 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.