LG 27GP850-B 27-Inch 1440p 165Hz Nano IPS Gaming Monitor
Gaming Monitors
The LG 27GP850-B (ASIN B08XL4KQLM) is available on Amazon.ca for $499 CAD and delivers Nano IPS panel technology with 98% DCI-P3 color coverage, 165Hz native refresh, and sub-millisecond response time in a well-built 27-inch form factor. It supports both NVIDIA G-Sync Compatible and AMD FreeSync Premium Pro for universal adaptive sync.
ClearPick Score
9 / 10
Excellent
Nano IPS Colors
9.5
165Hz Refresh Rate
9.5
Adaptive Sync
9.5
Response Time
9.5
Value
9.0
Full Specs
Panel
27-inch Nano IPS โ 1ms GtG response time
Resolution
2560ร1440 QHD (1440p)
Refresh Rate
165Hz native (overclock to 180Hz)
Color Coverage
98% DCI-P3 wide color gamut
Sync
NVIDIA G-Sync Compatible + AMD FreeSync Premium Pro
HDR
VESA DisplayHDR 400
Ports
2ร HDMI 2.0, 1ร DisplayPort 1.4, 2ร USB-A 3.0
Adjustment
Tilt, height, pivot (90-degree)
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๐ Gaming Monitors
LG 27GP850-B 27-Inch 1440p 165Hz Nano IPS Gaming Monitor
Nano IPS technology is LG's signature upgrade to standard IPS panels, using nano-sized particles on the LCD backlight to absorb excess light wavelengths and produce purer colors. The result is 98% DCI-P3 coverage โ dramatically wider than the 72% DCI-P3 typical of budget IPS panels. The colors on the 27GP850-B look vivid and accurate in a way that makes single-player games and cinematic content genuinely more immersive.
165Hz native refresh at 1440p hits a practical sweet spot that more GPU configurations can consistently drive compared to 240Hz. Most mid-range gaming GPUs (RTX 3070, RX 6800 XT tier) can maintain 120-165 fps at 1440p in modern titles with good settings, meaning the refresh rate is actually attainable rather than a theoretical ceiling you never reach. The 180Hz overclock mode adds a buffer for games where it is achievable.
The G-Sync Compatible and FreeSync Premium Pro certifications cover both major GPU ecosystems, with AMD's certification extending to variable refresh support even at lower frame rates โ a feature standard FreeSync skips. Whether you run an NVIDIA or AMD GPU, the 27GP850-B delivers tear-free adaptive sync across the full frame rate range the panel supports.
At $499 CAD for a Nano IPS 165Hz 1440p monitor, the 27GP850-B represents the best value per dollar in the 27-inch gaming monitor market. The ASUS ROG Swift PG279QM offers more (240Hz, 270Hz OC, better USB hub) at $799 CAD, but for most gamers the 165Hz difference in practice is minimal โ and the LG's color quality with Nano IPS is genuinely comparable.
โ ๏ธ Worth Knowing
Like all DisplayHDR 400 monitors, the HDR capability is limited in practice. 400 nits peak brightness does not deliver the high-contrast HDR pop that TVs with local dimming or OLED panels produce. The Nano IPS colors look excellent in SDR mode, but buyers expecting transformative HDR should manage their expectations โ this is a gaming monitor, not a professional HDR display.
The 1ms GtG response time is measured at a fast pixel transition, not an input-to-display latency figure. Actual input latency varies with refresh rate mode and is typically 2-4ms at 165Hz โ excellent for gaming, but the spec should not be confused with 1ms input-to-pixel end-to-end latency.
The included stand offers tilt, height, and portrait pivot adjustment, which is better ergonomics than most monitors at this price tier. However, the VESA 100ร100 mount pattern is available if you prefer a monitor arm, which can free up significant desk space and provide more flexible positioning than the standard stand.
HDMI 2.0 ports cap at 144Hz at 1440p due to bandwidth limitations โ DisplayPort 1.4 is required for the full 165Hz or 180Hz experience. Console players connecting via HDMI will be limited to 144Hz, which is still excellent but not the advertised peak refresh rate. PC users should default to DisplayPort.
What Real Buyers Are Saying
What buyers love
"Coming from a 1080p 144Hz TN panel, the color difference was immediately overwhelming in the best way. The Nano IPS colors are vivid without being oversaturated. Everything looks better โ games, movies, even desktop use."
Source: Amazon reviewer
"165Hz feels noticeably smoother than 144Hz, which itself felt like a revelation over 60Hz. The gaming experience at this resolution and refresh rate is where I want to stay for years."
Source: Amazon reviewer
"The value at $499 is unreal. I compared this to the ASUS PG279QM side by side at a store and the LG was 90% of the quality at 60% of the price. Unless you need 240Hz, the LG wins every time."
Source: Reddit
"FreeSync Premium Pro with my RX 6800 XT is flawless. Not a single tear or stutter in 200+ hours of Cyberpunk 2077 and Alan Wake 2. The adaptive sync implementation is perfect."
Source: Amazon reviewer
Common complaints
HDR 400 is not meaningful
The consistent feedback from enthusiast reviewers is that DisplayHDR 400 on this monitor is not a feature worth considering in the purchase decision. The color quality in SDR is excellent, but HDR mode does not deliver a noticeable visual improvement for most content.
Source: Reddit
HDMI limited to 144Hz
Console buyers who connected via HDMI expected 165Hz and found the monitor capped at 144Hz over HDMI 2.0. The limitation is technically inherent to HDMI 2.0 bandwidth and not a defect, but better spec labeling on product listings would prevent the confusion.
Source: Amazon reviewer
Backlight bleed on some units
A subset of buyers reported visible backlight bleeding in dark corners, particularly in the lower corners of the panel. IPS backlight bleed is a known characteristic of the panel technology, and some units are worse than others. LG's warranty covers significant bleed but individual variance exists at the panel level.
Source: Amazon reviewer
OSD navigation is slow
The on-screen display menu navigated via joystick button on the monitor back is functional but responsive only to deliberate presses. Fast menu navigation feels sluggish compared to monitors with five-way joystick controls. Most settings are set once and left, but initial configuration takes patience.
Source: Amazon reviewer
ClearPick Verdict
The LG 27GP850-B is the strongest value in the 27-inch 1440p gaming monitor market, pairing Nano IPS wide-color performance with 165Hz competitive refresh and excellent adaptive sync implementation at $499 CAD โ saving $300 versus ASUS ROG alternatives with only minor feature compromises. For the majority of gamers who want a color-accurate, high-refresh gaming display without spending flagship prices, this is the logical choice.