US
LG

LG 55UR340C9UD Tv

  • TV
  • 55 inches
  • LG
  • LED
5.0/ 5 on Amazon3Amazon ratings2.7ProductDome score
  • Better rated than 82%
Limited evidenceLast refreshed Aug 4, 2026Amazon data + ProductDome analysis · methodology
Best forYou want a 55 inch 4K smart TV for general streaming and cable use

A standard 55 inch 4K LED TV with LG's webOS smart platform, built for everyday viewing rather than gaming or premium picture quality.

View current price on Amazon →

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ProductDome scorecard

How it ranks among the 249 tvs we track

2.7/ 5ProductDome scoreLimited evidence
Owner satisfaction · 56% of scorecategory median 4.3★4.5

5.0★ across 3 Amazon ratings, Bayesian-smoothed toward the category average.

Evidence strength · 17% of scorecategory median 56 ratings0.8

3 Amazon ratings, weighted on a log scale so huge counts don't drown everything.

Buyer demand · 11% of score0.0

Modest tracked demand last month.

Data quality · 11% of score3.8

Brand identity, imagery, description and spec coverage.

The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 249 tvs we track - how the scorecard works · full tvs data report. Confidence: limited - limited rating history.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.

Overview

A 55 inch LG 4K UHD television running LG's webOS smart platform, with a 60Hz LED panel and Ethernet, HDMI, and USB connections. It weighs 30.9 pounds and is listed in a navy blue finish.

This sits at the entry level of LG's UHD range: a 60Hz refresh rate is standard for everyday viewing rather than fast motion gaming, and the LED panel is a step below LG's OLED sets. webOS handles the smart TV apps and menus.

  • 55 inch screen
  • 4K UHD resolution
  • WebOS smart platform
  • 60Hz LED panel

Who it's for

Fits a household wanting a straightforward 55 inch 4K set for streaming and cable, with webOS covering the usual app library. Gamers chasing high refresh rates or buyers wanting OLED contrast should look at a different tier.

Strengths and trade-offs

Drawn from this product's published specifications.

What stands out
  • 55 inch 4K UHD picture
  • WebOS smart platform for streaming apps
  • Ethernet plus HDMI and USB connections
What to check first
  • 60Hz refresh rate limits fast motion and gaming use
  • LED panel, not OLED contrast

Performance notes

The LED panel delivers 4K UHD resolution at a 60Hz refresh rate, adequate for movies, streaming, and cable but not built for high frame rate gaming. Ethernet alongside HDMI and USB covers both wired and app based streaming.

Specifications

BrandLG
Model55UR340C9UD
Dimensions & fit
Screen Size55 inches
Weight30.9 pounds
Dimensions2.3 × 48.6 × 28.1 inches
Construction & materials
ColorNavy Blue
Compatibility & installation
ConnectivityEthernet, HDMI, USB
Other details
Brand TechLG
Display TechLED
Resolution4K UHD
Smart PlatformwebOS
Refresh Rate60 Hz

How it compares

This product against the closest alternatives we track in tvs.

ProductAmazon ratingRatingsProductDome score
LG 55UR340C9UD TvThis product5.0 / 532.7 / 5
TCL 65S425 TvTCL4.6 / 544,4004.0 / 5
Insignia NS-55F501NA26 TvInsignia4.4 / 59,6003.9 / 5
Roku 43R4A5R TvRoku4.5 / 54,6003.9 / 5
Vizio D24f-J09 TvVizio4.2 / 514,5003.8 / 5
Frequently asked

Questions about the LG 55UR340C9UD

Common buyer questions answered straight from the product spec data - no fluff, no "it depends".

What smart platform does this LG TV run?

webOS.

Is this TV good for gaming?

It has a 60Hz refresh rate, which suits general viewing more than fast motion or high frame rate gaming.

What connections does it have?

Ethernet, HDMI, and USB.