Samsung Odyssey OLED G8 G81SF vs LG UltraGear 27GX704A-B

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

The LG UltraGear 27GX704A-B and Samsung Odyssey OLED G8 G81SF are closely matched at 58 and 56/100. The LG UltraGear 27GX704A-B edges ahead on HDR, while the Samsung Odyssey OLED G8 G81SF leads on Panel — pick the one whose strengths match what you'll actually use.

Verdict

Our overall take, at a glance

Key takeaways

  • LG UltraGear 27GX704A-B and Samsung Odyssey OLED G8 G81SF are closely matched overall (within 2 points).
  • LG UltraGear 27GX704A-B stands out on Image Quality Brightness (typical): 275 nits (6% more).
  • Samsung Odyssey OLED G8 G81SF counters with Panel Resolution: 3840 × 2160 px, Panel Type: QD-OLED, Panel Pixel Density: 140 (26% more).
LG UltraGear 27GX704A-B and Samsung Odyssey OLED G8 G81SF are closely matched
LG UltraGear 27GX704A-B
58
Samsung Odyssey OLED G8 G81SF
56
Where LG UltraGear 27GX704A-B stands out
  • Image Quality Brightness (typical): 275 nits (6% more)
Where Samsung Odyssey OLED G8 G81SF stands out
  • Panel Resolution: 3840 × 2160 px
  • Panel Type: QD-OLED
  • Panel Pixel Density: 140 (26% more)

Watch-outs

Compromises to know before you buy

Samsung Odyssey OLED G8 G81SF

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

LG UltraGear 27GX704A-B

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

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 G81SF

The Samsung Odyssey OLED G8 G81SF is a flat gaming monitor featuring a QD-OLED panel, designed for users who want high-performance gaming alongside media streaming capabilities. It integrates smart television software, allowing it to double as a standalone entertainment display without requiring an active PC connection. The monitor is designed with a matte screen finish to help manage ambient light reflections in various room setups.

Best for Gaming in environments with ambient light where reflections must be diffusedBest for Dual-purpose setups where the display serves as both a gaming monitor and a…
Pros
  • Extremely fast pixel response times that minimize motion blur during fast gameplay
  • True black levels and high contrast ratio characteristic of self-emissive QD-OLED technology
  • Integrated smart TV platform for direct access to streaming applications
  • Matte screen finish that successfully diffuses harsh reflections from ambient light sources
Cons
  • Matte screen coating can slightly diffuse ambient light, which can raise perceived black levels in highly illuminated rooms
  • Smart TV operating system introduces extra menu complexity and setup steps for users wanting a basic plug-and-play monitor

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

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

Samsung Odyssey OLED G8 G81SF

LG UltraGear 27GX704A-B

Physical Comparison

Weigh them up, then compare real dimensions in 3D

5.3 kg4.8 kg
Samsung Odyssey OLED G8 G81SFLG UltraGear 27GX704A-B

Samsung Odyssey OLED G8 G81SF is 0.5 kg (10%) heavier than LG UltraGear 27GX704A-B.

Review Videos

Hand-picked expert reviews for each product

Detailed Specifications

The full spec sheet, side by side

Frequently Asked Questions

Common questions about Samsung Odyssey OLED G8 G81SF vs LG UltraGear 27GX704A-B comparison

They are closely matched: Samsung Odyssey OLED G8 G81SF 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 G81SF 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 G81SF and 71/100 for LG UltraGear 27GX704A-B.
It's close — Samsung Odyssey OLED G8 G81SF (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.

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