LG UltraGear 27GX704A-B 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 27GX704A-B is the better pick — it scores 63/100 to the LG UltraGear 27GP850-B's 43, leading on Panel and Performance. Choose the LG UltraGear 27GP850-B instead if image quality matters most to you, where it comes out ahead.

Verdict

Our overall take, at a glance

LG UltraGear 27GX704A-B leads overall

LG UltraGear 27GX704A-B

LG UltraGear 27GP850-B

Why it stands out

Peak Brightness (HDR): 1,300 nits (225% more)
Performance Response Time (GtG): 0.03 ms (97% less)
Panel Type: OLED (WOLED)

Watch-outs

Compromises to know before you buy

LG UltraGear 27GX704A-B

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

LG UltraGear 27GP850-B

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

Winner by category for LG UltraGear 27GX704A-B vs LG UltraGear 27GP850-B
Category	LG UltraGear 27GX704A-B	LG UltraGear 27GP850-B	Winner
Panel	60	52	LG UltraGear 27GX704A-B
Image Quality	47	53	LG UltraGear 27GP850-B
Performance	78	22	LG UltraGear 27GX704A-B
HDR	86	14	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.

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

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 27GX704A-B

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LG UltraGear 27GP850-B

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Physical Comparison

Weigh them up, then compare real dimensions in 3D

LG UltraGear 27GX704A-BLG UltraGear 27GP850-B

LG UltraGear 27GX704A-B is 0.6 kg (14%) heavier than LG UltraGear 27GP850-B.

Review Videos

Hand-picked expert reviews for each product

Detailed Specifications

The full spec sheet, side by side

Panel

Feature	LG UltraGear 27GX704A-B	LG UltraGear 27GP850-B
Screen Size	26.5 in	27 in
Resolution	2560 × 1440 px	2560 × 1440 px
Panel Type
Aspect Ratio	16:9	16:9
Pixel Density	111	109
Curved	No	No
Screen-to-body ratio	91%	90%

Image Quality

Feature	LG UltraGear 27GX704A-B	LG UltraGear 27GP850-B
Brightness (typical)	275 nits	400 nits45% more
Contrast Ratio	1500000:1	1000:1
Color Gamut (DCI-P3)	98	98
Color Depth	10-bit	10-bit

Performance

Feature	LG UltraGear 27GX704A-B	LG UltraGear 27GP850-B
Refresh Rate	240 Hz45% more	165 Hz
Response Time (GtG)	0.03 ms97% less	1 ms
Adaptive Sync	FreeSync Premium Pro / G-Sync Compatible	G-Sync Compatible / FreeSync Premium

HDR

Feature	LG UltraGear 27GX704A-B	LG UltraGear 27GP850-B
HDR Format	HDR10, DisplayHDR True Black 400	HDR400
Peak Brightness (HDR)	1,300 nits225% more	400 nits

Connectivity

Feature	LG UltraGear 27GX704A-B	LG UltraGear 27GP850-B
HDMI Ports	2	2
DisplayPort	1	1
USB-C	No	No
USB Hub	Yes	Yes

Ergonomics

Feature	LG UltraGear 27GX704A-B	LG UltraGear 27GP850-B
Height Adjustment	Yes	Yes
VESA Mount	100 × 100 px	100 × 100 px
Built-in Speakers	No	No
Dimensions (without stand)	60.52 × 35.1 × 4.53 cm	61.42 × 36.48 × 5.17 cm
Weight (without stand)	4.8 kg	4.2 kg
Release Date	September 1, 2025	May 4, 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 27GX704A-B vs LG UltraGear 27GP850-B comparison

Based on our overall comparison score, LG UltraGear 27GX704A-B rates higher at 71/100 versus 56/100 for LG UltraGear 27GP850-B — a 15-point lead. LG UltraGear 27GX704A-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 27GX704A-B 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 71/100 for LG UltraGear 27GX704A-B and 56/100 for LG UltraGear 27GP850-B.

If you want the higher-rated monitors option overall, LG UltraGear 27GX704A-B (71/100) 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.