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Deal.ai › LG › TVs
LG
LG 55PK640S0UB 55 Inch Smart LCD TV

LG 55PK640S0UB 55 Inch Smart LCD TV

Best price now

$559.64at NeweggObserved at 10:32 PM

24% under what the other stores charge

Compared across 4 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.

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Our take on the LG 55PK640S0UB 55 Inch Smart LCD TV

The LG 55PK640S0UB is a 55-inch 4K Ultra HD LCD smart TV running LG's webOS platform, with HDMI and Bluetooth built in. It covers the basics for streaming, broadcast and console use without OLED or mini-LED extras. Its best new price is $559.64 at Newegg as of November 7, 2026, with four stores listing it new.

Best forLiving rooms and family roomsStreaming on webOS appsBuyers who want a 55-inch 4K set at a mid-range priceSecondary or bedroom TV
Pros
  • Native 4K (3840x2160) resolution on a 55-inch screen
  • webOS smart platform with built-in apps and a familiar interface
  • Bluetooth for pairing soundbars, speakers or headphones
  • Simple HDMI-based setup for consoles and streaming sticks
Cons
  • Standard LCD panel, so contrast and black levels trail OLED and mini-LED sets
  • No 120Hz gaming features listed
  • Few details on HDR support and peak brightness
  • Built-in sound is basic; a soundbar is likely needed

LG 55PK640S0UB 55 Inch Smart LCD TV prices at every store

  • NeweggNew

    In stock

    $559.64Free shippingObserved at 10:32 PM
    Visit Newegg
  • Best BuyNew

    In stock

    $678.64Free shippingObserved at 10:32 PM
    Visit Best Buy
  • AntonlineNew

    In stock

    $737.81Free shippingObserved at 10:32 PM
    Visit Antonline
  • QuillNew

    In stock

    $1,199.99Free shippingObserved at 10:32 PM
    Visit Quill

Store links may earn us a commission. Some prices via Klarna.

LG 55PK640S0UB 55 Inch Smart LCD TV price history

Lowest price we've seen: $559.64 on Nov 8 at Newegg. Tracked across 4 stores since Nov 8.

Specifications

Connections
HDMISource
Screen Resolution
3840x2160 (4K Ultra HD)Source
Bluetooth
YesSource
Smart TV
YesSource
Color
BlackSource
Screen Size (")
55.0Source
Operating System
webOSSource
Display
LCDSource

Questions and answers

Is the LG 55PK640S0UB a good TV for the price?
At $559.64 at Newegg as of November 7, 2026, it is a mid-range 55-inch 4K LCD. It suits everyday streaming and broadcast use, but it is not a premium picture-quality set.
Does it support 4K streaming apps?
Yes. It has a 4K panel and runs webOS, so major streaming apps are available through the TV's app store.
Can I connect a soundbar or headphones?
Yes. It has Bluetooth, so you can pair compatible soundbars, speakers or headphones wirelessly, and HDMI handles wired audio gear.
Is it good for gaming?
It handles casual console play at 4K, but no high-refresh-rate features are listed. Serious gamers should look for a set with HDMI 2.1 and 120Hz support.
What comes in the box?
Expect the TV, a stand, a remote and a power cable. Check the listing for the exact accessories included.
When is it cheapest?
Prices on 55-inch 4K sets usually dip around Black Friday and end-of-year sales. Compare the current $559.64 at Newegg against the other three stores before buying.
Where is the LG 55PK640S0UB 55 Inch Smart LCD TV cheapest?
At Newegg, for $559.64, 24% under what the other stores charge, as of our latest check.
Where can I buy the LG 55PK640S0UB 55 Inch Smart LCD TV?
4 stores we checked sell it, including Newegg, Best Buy, Antonline, Quill.

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Stores we've priced the LG 55PK640S0UB 55 Inch Smart LCD TV at

  • Best Buy deals and prices
  • Newegg deals and prices

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