LG UltraGear 32GX870B-B vs LG UltraGear 45GX950A-B

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 72/100 to the LG UltraGear 45GX950A-B's 43, leading on Panel and Image Quality. Choose the LG UltraGear 45GX950A-B 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 45GX950A-B

Why it stands out

Panel Pixel Density: 140 (12% more)
Image Quality Brightness (typical): 335 nits (22% more)
Image Quality Color Gamut (DCI-P3): 99 (1% more)

Winner by category for LG UltraGear 32GX870B-B vs LG UltraGear 45GX950A-B
Category	LG UltraGear 32GX870B-B	LG UltraGear 45GX950A-B	Winner
Panel	65	61	LG UltraGear 32GX870B-B
Image Quality	86	14	LG UltraGear 32GX870B-B
Performance	63	37	LG UltraGear 32GX870B-B
HDR	86	14	LG UltraGear 32GX870B-B
Connectivity	59	59	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 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 45GX950A-B

The LG UltraGear 45GX950A-B is a 45-inch OLED gaming monitor built to provide expansive, high-contrast visuals for desktop gaming setups. Part of LG's UltraGear lineup, it targets enthusiast PC gamers looking for deep black levels and an immersive widescreen experience.

Best for Immersive widescreen desktop PC gamingBest for High-contrast viewing in dark or dim gaming environments

Pros

Large 45-inch display area delivers strong visual immersion for gaming
OLED display technology provides deep blacks and high image contrast

Cons

Substantial physical footprint demands a large, dedicated desk space

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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LG UltraGear 45GX950A-B

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Physical Comparison

Weigh them up, then compare real dimensions in 3D

LG UltraGear 32GX870B-BLG UltraGear 45GX950A-B

LG UltraGear 45GX950A-B is 3.8 kg (68%) heavier than LG UltraGear 32GX870B-B.

Detailed Specifications

The full spec sheet, side by side

Panel

Feature	LG UltraGear 32GX870B-B	LG UltraGear 45GX950A-B
Screen Size	31.5 in	44.5 in41% more
Resolution	3840 × 2160 px	5120 × 2160 px
Panel Type
Aspect Ratio	16:9	21:9
Pixel Density	14012% more	125
Curved	No	Yes
Curvature radius	N/A	800 mm
Screen-to-body ratio	93%	100%

Image Quality

Feature	LG UltraGear 32GX870B-B	LG UltraGear 45GX950A-B
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 45GX950A-B
Refresh Rate	480 Hz45% more	330 Hz
Response Time (GtG)	0.03 ms	0.03 ms
Adaptive Sync	FreeSync Premium Pro / G-Sync Compatible	FreeSync Premium Pro / G-Sync Compatible

HDR

Feature	LG UltraGear 32GX870B-B	LG UltraGear 45GX950A-B
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 45GX950A-B
HDMI Ports	2	2
DisplayPort	1	1
USB-C	Yes	Yes
Power Delivery	90 W	90 W
USB Hub	Yes	Yes

Ergonomics

Feature	LG UltraGear 32GX870B-B	LG UltraGear 45GX950A-B
Height Adjustment	Yes	Yes
VESA Mount	100 × 100 px	100 × 100 px
Built-in Speakers	Yes	Yes
Dimensions (without stand)	71.41 × 41.18 × 6.5 cm	99.16 × 46.07 × 22.55 cm
Weight (without stand)	5.6 kg	9.4 kg
Release Date	N/A	April 1, 2025

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 45GX950A-B comparison

Based on our overall comparison score, LG UltraGear 32GX870B-B rates higher at 83/100 versus 79/100 for LG UltraGear 45GX950A-B — a 4-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 45GX950A-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 83/100 for LG UltraGear 32GX870B-B and 79/100 for LG UltraGear 45GX950A-B.

If you want the higher-rated monitors option overall, LG UltraGear 32GX870B-B (83/100) edges out LG UltraGear 45GX950A-B (79/100). But if LG UltraGear 45GX950A-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.