LG UltraGear 32GX870B-B vs Gigabyte M32U

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 Gigabyte M32U's 44, leading on Panel and Image Quality. Choose the Gigabyte M32U instead if you want to spend less.

Verdict

Our overall take, at a glance

LG UltraGear 32GX870B-B leads overall

LG UltraGear 32GX870B-B

Gigabyte M32U

Why it stands out

Performance Refresh Rate: 480 Hz (233% more)
Peak Brightness (HDR): 1,500 nits (275% more)
Performance Response Time (GtG): 0.03 ms (97% less)

Winner by category for LG UltraGear 32GX870B-B vs Gigabyte M32U
Category	LG UltraGear 32GX870B-B	Gigabyte M32U	Winner
Panel	67	52	LG UltraGear 32GX870B-B
Image Quality	53	47	LG UltraGear 32GX870B-B
Performance	86	14	LG UltraGear 32GX870B-B
HDR	86	14	LG UltraGear 32GX870B-B
Connectivity	71	62	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

Gigabyte M32U

The Gigabyte M32U is a 32-inch 4K gaming monitor offering a 144Hz refresh rate aimed at gamers and productivity users seeking high-resolution performance. It features HDMI 2.1 connectivity, a USB Type-C port supporting power delivery, and a built-in KVM switch for controlling multiple PCs.

Best for High-refresh-rate 4K PC and console gamingBest for Dual-system desk setups utilizing the built-in KVM feature

Pros

Large 32-inch 4K display delivering crisp visuals at 144Hz
Built-in KVM switch and USB Type-C port for streamlined multi-device management
Includes HDMI 2.1 ports suitable for high-refresh console and PC gaming

Cons

HDMI 2.1 implementation has bandwidth limitations

Value for Money

Which is the better deal for the price

Pre-filled with launch prices where known — enter today's price for an up-to-date check. Use the same currency for both.

LG UltraGear 32GX870B-B

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Gigabyte M32U

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Physical Comparison

Weight, side by side

LG UltraGear 32GX870B-BGigabyte M32U

Gigabyte M32U is 1.65 kg (29%) heavier than LG UltraGear 32GX870B-B.

Review Videos

Hand-picked expert reviews for each product

Detailed Specifications

The full spec sheet, side by side

Panel

Feature	LG UltraGear 32GX870B-B	Gigabyte M32U
Screen Size	31.5 in	32 in
Resolution	3840 × 2160 px	3840 × 2160 px
Panel Type
Aspect Ratio	16:9	16:9
Pixel Density	140	138
Curved	No	No
Screen-to-body ratio	93%	—

Image Quality

Feature	LG UltraGear 32GX870B-B	Gigabyte M32U
Brightness (typical)	335 nits	350 nits4% more
Contrast Ratio	1850000:1	1000:1
Color Gamut (DCI-P3)	9910% more	90
Color Depth	10-bit	10-bit

Performance

Feature	LG UltraGear 32GX870B-B	Gigabyte M32U
Refresh Rate	480 Hz233% more	144 Hz
Response Time (GtG)	0.03 ms97% less	1 ms
Adaptive Sync	FreeSync Premium Pro / G-Sync Compatible	FreeSync Premium Pro / G-Sync Compatible

HDR

Feature	LG UltraGear 32GX870B-B	Gigabyte M32U
HDR Format	HDR10, DisplayHDR True Black 500	HDR400
Peak Brightness (HDR)	1,500 nits275% more	400 nits

Connectivity

Feature	LG UltraGear 32GX870B-B	Gigabyte M32U
HDMI Ports	2	2
DisplayPort	1	1
USB-C	Yes	Yes
Power Delivery	90 W	N/A
USB Hub	Yes	Yes

Ergonomics

Feature	LG UltraGear 32GX870B-B	Gigabyte M32U
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	N/A
Weight (without stand)	5.6 kg	7.25 kg
Release Date	N/A	September 3, 2021

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 Gigabyte M32U comparison

Based on our overall comparison score, LG UltraGear 32GX870B-B rates higher at 84/100 versus 63/100 for Gigabyte M32U — a 21-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 Gigabyte M32U 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 63/100 for Gigabyte M32U.

If you want the higher-rated monitors option overall, LG UltraGear 32GX870B-B (84/100) edges out Gigabyte M32U (63/100). But if Gigabyte M32U 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.