Samsung Odyssey OLED G8 G80SD vs LG UltraGear 27GX704A-B

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

For most buyers the LG UltraGear 27GX704A-B is the better pick — it scores 58/100 to the Samsung Odyssey OLED G8 G80SD's 55, leading on HDR. Choose the Samsung Odyssey OLED G8 G80SD instead if panel matters most to you, where it comes out ahead.

Verdict

Our overall take, at a glance

LG UltraGear 27GX704A-B and Samsung Odyssey OLED G8 G80SD are closely matched

LG UltraGear 27GX704A-B

Samsung Odyssey OLED G8 G80SD

Where LG UltraGear 27GX704A-B stands out

Image Quality Brightness (typical): 275 nits (10% more)

Where Samsung Odyssey OLED G8 G80SD stands out

Panel Resolution: 3840 × 2160 px
Panel Type: QD-OLED
Panel Pixel Density: 139 (25% more)

Watch-outs

Compromises to know before you buy

Samsung Odyssey OLED G8 G80SD

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

LG UltraGear 27GX704A-B

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

Winner by category for Samsung Odyssey OLED G8 G80SD vs LG UltraGear 27GX704A-B
Category	LG UltraGear 27GX704A-B	Samsung Odyssey OLED G8 G80SD	Winner
Panel	53	64	Samsung Odyssey OLED G8 G80SD
Image Quality	50	50	Tie
Performance	50	50	Tie
HDR	100	0	LG UltraGear 27GX704A-B
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.

Samsung Odyssey OLED G8 G80SD

The Samsung Odyssey OLED G8 G80SD is a 32-inch 4K UHD gaming monitor built around an OLED display panel with a fast 240Hz refresh rate. It merges high-framerate PC gaming capabilities with integrated smart platform functionality for standalone entertainment. The display is targeted at enthusiast gamers and content consumers seeking precise motion clarity alongside deep contrast performance.

Best for High-framerate 4K gaming on high-end PCsBest for Media consumption requiring pitch-black levels and vibrant contrast

Pros

32-inch 4K UHD resolution delivers sharp visual detail for gaming and desktop use
OLED panel delivers rich contrast and deep black levels
240Hz refresh rate provides fluid motion rendering for fast-paced titles

Cons

OLED panels carry potential risk of image retention or burn-in over extended display of static elements
Driving 4K resolution at up to 240Hz requires high-end PC hardware

LG UltraGear 27GX704A-B

The LG UltraGear 27GX704A-B is a 27-inch OLED gaming monitor designed for players who prioritize deep contrast and fast visual performance. Utilizing self-lit OLED technology, it targets high-end gaming setups looking for rich image quality without sacrificing motion clarity.

Best for Fast-paced competitive gaming requiring high responsivenessBest for Dark-room media consumption and immersive gameplay

Pros

OLED panel technology delivers per-pixel dimming with infinite contrast and true deep blacks
27-inch form factor provides an ideal screen size for fast-paced competitive gaming

Cons

OLED panels carry a risk of permanent image burn-in when displaying static desktop elements long-term

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.

Samsung Odyssey OLED G8 G80SD

Check Price on Amazon

LG UltraGear 27GX704A-B

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Physical Comparison

Weigh them up, then compare real dimensions in 3D

Samsung Odyssey OLED G8 G80SDLG UltraGear 27GX704A-B

Samsung Odyssey OLED G8 G80SD is 0.5 kg (10%) heavier than LG UltraGear 27GX704A-B.

Detailed Specifications

The full spec sheet, side by side

Panel

Feature	Samsung Odyssey OLED G8 G80SD	LG UltraGear 27GX704A-B
Screen Size	32 in21% more	26.5 in
Resolution	3840 × 2160 px	2560 × 1440 px
Panel Type
Aspect Ratio	16:9	16:9
Pixel Density	13925% more	111
Curved	No	No
Screen-to-body ratio	95%	91%

Image Quality

Feature	Samsung Odyssey OLED G8 G80SD	LG UltraGear 27GX704A-B
Brightness (typical)	250 nits	275 nits10% more
Contrast Ratio	1000000:1	1500000:1
Color Gamut (DCI-P3)	99	98
Color Depth	10-bit	10-bit

Performance

Feature	Samsung Odyssey OLED G8 G80SD	LG UltraGear 27GX704A-B
Refresh Rate	240 Hz	240 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	Samsung Odyssey OLED G8 G80SD	LG UltraGear 27GX704A-B
HDR Format	HDR10, HDR10+ Gaming	HDR10, DisplayHDR True Black 400
Peak Brightness (HDR)	N/A	1,300 nits

Connectivity

Feature	Samsung Odyssey OLED G8 G80SD	LG UltraGear 27GX704A-B
HDMI Ports	2	2
DisplayPort	1	1
USB-C	No	No
USB Hub	Yes	Yes

Ergonomics

Feature	Samsung Odyssey OLED G8 G80SD	LG UltraGear 27GX704A-B
Height Adjustment	Yes	Yes
VESA Mount	100 × 100 px	100 × 100 px
Built-in Speakers	Yes	No
Dimensions (without stand)	71.97 × 41.47 × 4.92 cm	60.52 × 35.1 × 4.53 cm
Weight (without stand)	5.3 kg	4.8 kg
Release Date	June 4, 2024	September 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 Samsung Odyssey OLED G8 G80SD vs LG UltraGear 27GX704A-B comparison

They are closely matched: Samsung Odyssey OLED G8 G80SD scores 72/100 and LG UltraGear 27GX704A-B scores 71/100 in our overall comparison — within 1 point. Neither is a clear winner overall, so the decision comes down to the specific features and price that matter most to you.

Samsung Odyssey OLED G8 G80SD and LG UltraGear 27GX704A-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 72/100 for Samsung Odyssey OLED G8 G80SD and 71/100 for LG UltraGear 27GX704A-B.

It's close — Samsung Odyssey OLED G8 G80SD (72/100) and LG UltraGear 27GX704A-B (71/100) score almost the same. Pick based on price and the individual specs that matter most to you; the comparison above shows where each one pulls ahead.