LG UltraGear 39GX950B vs LG UltraGear 27GP850-B

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

For most buyers the LG UltraGear 39GX950B is the better pick — it scores 70/100 to the LG UltraGear 27GP850-B's 42, leading on Panel and Performance. Choose the LG UltraGear 27GP850-B instead if you want to spend less.

Verdict

Our overall take, at a glance

Key takeaways

  • LG UltraGear 39GX950B leads LG UltraGear 27GP850-B overall by 28 points (70 vs 42 out of 100).
  • LG UltraGear 39GX950B stands out on Peak Brightness (HDR): 1,500 nits (275% more), Performance Response Time (GtG): 0.03 ms (97% less), Panel Resolution: 5120 × 2160 px.
  • Best value: LG UltraGear 27GP850-B (from $449) — the strongest score-per-dollar of the two.
LG UltraGear 39GX950B leads overall
LG UltraGear 39GX950B
70
LG UltraGear 27GP850-B
42
Why it stands out
  • Peak Brightness (HDR): 1,500 nits (275% more)
  • Performance Response Time (GtG): 0.03 ms (97% less)
  • Panel Resolution: 5120 × 2160 px

Watch-outs

Compromises to know before you buy

LG UltraGear 39GX950B

No notable compromises found.

LG UltraGear 27GP850-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.

LG UltraGear 39GX950B

The LG UltraGear 39GX950B is a 39-inch curved OLED monitor designed for gamers and power users wanting an expansive, high-resolution canvas. It features a 5120 x 2160 resolution on an ultrawide 21:9 panel, coupled with a tight 1500R curvature for wrap-around immersion. The display delivers an ultra-fast 165Hz refresh rate alongside modern connectivity, including a 90W USB-C power delivery port.

Best for Ultrawide PC gaming demanding high refresh rates, low latency, and adaptive…Best for Single-cable workstation setups that require robust laptop charging alongside…
Pros
  • Extremely rapid 0.03ms response time that virtually eliminates ghosting and motion blur
  • High pixel density of 143 PPI offers sharp text and detailed graphics
  • Versatile USB-C port with 90W power delivery for clutter-free laptop integration
  • Excellent color performance with 99% DCI-P3 coverage and infinite OLED contrast ratios
Cons
  • Typical SDR brightness is capped at 335 nits, which may feel dim in highly illuminated spaces

LG UltraGear 27GP850-B

The LG UltraGear 27GP850-B is a 27-inch gaming monitor designed for players seeking smooth performance and accurate visuals. It features a fast panel capable of reaching a 180Hz refresh rate alongside support for both NVIDIA G-Sync and AMD FreeSync adaptive sync technologies. This model targets PC gamers and esports enthusiasts who prioritize fast motion response and vibrant image presentation.

Best for Fast-paced competitive PC gaming where high frame rates are criticalBest for Users looking for a high-refresh-rate 27-inch display with accurate color repres
Pros
  • High refresh rate up to 180Hz for fluid gameplay
  • Support for both G-Sync and FreeSync adaptive sync technologies
  • Vibrant color coverage and solid peak brightness performance
  • Fast response times with minimal visible ghosting
Cons
  • IPS panel architecture offers limited contrast compared to VA or OLED alternatives
  • Lacks built-in speakers

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 39GX950B

LG UltraGear 27GP850-B

Physical Comparison

Weigh them up, then compare real dimensions in 3D

6.8 kg4.2 kg
LG UltraGear 39GX950BLG UltraGear 27GP850-B

LG UltraGear 39GX950B is 2.6 kg (62%) heavier than LG UltraGear 27GP850-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 LG UltraGear 39GX950B vs LG UltraGear 27GP850-B comparison

Based on our overall comparison score, LG UltraGear 39GX950B rates higher at 79/100 versus 56/100 for LG UltraGear 27GP850-B — a 23-point lead. LG UltraGear 39GX950B 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 39GX950B and LG UltraGear 27GP850-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 79/100 for LG UltraGear 39GX950B and 56/100 for LG UltraGear 27GP850-B.
At launch, LG UltraGear 27GP850-B was the more affordable option ($449) versus LG UltraGear 39GX950B ($1800). Weigh that against the overall scores (79/100 vs 56/100) and the value-for-money meter above to judge whether the higher-rated model justifies its price for your needs. Current retail prices vary — check the retailer.
If you want the higher-rated monitors option overall, LG UltraGear 39GX950B (79/100) edges out LG UltraGear 27GP850-B (56/100). But if LG UltraGear 27GP850-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.

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