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LG OLED GX Series 77” Alexa built-in 4k Smart TV (3840 x 2160), Gallery Design, 120Hz Refresh Rate, AI-Powered 4K, Dolby Cinema, WiSA Ready, Voice Control (OLED77GXPUA, 2020)

4.4 4.4 out of 5 stars 138 ratings

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OLED77GXPUA

About this item

  • GALLERY OLED DESIGN: Bezel-less design. Impossibly thin. No gap from screen to wall. LG OLED TVs are designed, crafted, and engineered to put the spotlight on your content, yet complement your home's interior even when they're turned off
  • PIXEL LEVEL DIMMING: 8.3 million pixels control the light show. Millions of pixels emit their own light. Only OLED can turn pixels off completely and independently. See stunning picture, perfect black, infinite contrast and over a billion rich colors
  • α9 GEN 3 AI PROCESSOR 4K: Everything you see and hear is automatically made better, clearer, smoother, and more dynamic with our a9 Gen 3 AI Processor 4K. You don’t have to do a thing.
  • HANDS FREE VOICE CONTROL: Can't find the remote? No problem. Just say ""Hi, LG"" to direct your TV and LG ThinQ electronics and appliances. It's more convenience and control through natural voice commands — manage TV settings, ask to play content
  • WEBOS AND MAGIC REMOTE: LG's fan-favorite webOS platform makes it surprisingly fast and easy to stream movies and shows with your favorite apps and find new obsessions based on what you like
  • POWER : Power Consumption Standby Mode 0.5 watts . Included Components: Remote Control, Power Cable, E-Manual
See more product details
Ask to play music and games, check the weather, control your smart home, and more with this smart TV.
Alexa Built-in Learn more

Alexa Built-in

This smart TV has been certified by Amazon. Select Alexa Built-in smart TVs are Push-to-Talk and require pressing and holding the button on your remote to talk to Alexa, while other smart TVs have hands-free available with Alexa. Please see product details.

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Important information

Visible screen diagonal

77" / 196 cm

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LG OLED GX Series 77” Alexa built-in 4k Smart TV (3840 x 2160), Gallery Design, 120Hz Refresh Rate, AI-Powered 4K, Dolby Cinema, WiSA Ready, Voice Control (OLED77GXPUA, 2020)
LG OLED GX Series 77” Alexa built-in 4k Smart TV (3840 x 2160), Gallery Design, 120Hz Refresh Rate, AI-Powered 4K, Dolby Cinema, WiSA Ready, Voice Control (OLED77GXPUA, 2020)
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Price$2,976.95-7% $1,746.95
Typical:$1,876.95
$2,099.00-34% $2,296.99
List:$3,499.99
$3,690.00
Delivery
Get it Apr 2 - 4
Get it Apr 2 - 4
Get it as soon as Tuesday, Apr 2
Get it Thursday, Apr 4
Get it Apr 2 - 10
Customer Ratings
Picture quality
4.7
4.3
4.6
4.7
4.6
4.6
Value for money
4.1
3.8
4.2
4.0
4.0
Brightness
4.3
4.5
4.7
4.6
4.3
Smart Features
4.4
4.1
4.3
3.6
Remote Control
3.5
4.3
4.1
Sold By
Video & Audio Center - Same Day Shipping
Video & Audio Center - Same Day Shipping
Beach Camera Same Day Shipping
Amazon.com
Grenade Audio
display type
OLED
OLED
OLED
OLED
OLED Evo Display
OLED
display size
77 inches
77 inches
77 inches
77 inches
77 inches
77 inches
model year
2020
2022
2022
2022
2023
2021
resolution
4K
4K
4K
4K
4K
4K
operating system
WebOS, LG ThinQ AI
webOS 22
webOS 22
webOS 22
WebOS
WebOS
hardware interface
hdmi, usb2.0, radio frequency, bluetooth 5, composite video
usb2.0, hdmi, bluetooth 5, ethernet, radio frequency
hdmi, lightning
hdmi
bluetooth, ethernet, hdmi, usb

From the manufacturer

See how OLED redefines picture quality with SELF-LIT PiXELS

OLED GX Features

a9 gen 3 ai processor

See More of Your Content in 4K

4K processor uses AI and deep learning to authentically upscale lower resolution content, translating the source to 4K's 8.3+ million pixels. The technology is so good, you might mistake non-4K for true 4K*.

*Image quality of upscaled content will vary based on the source resolution.

lg thinq ai

World's Most Intelligent TVs

LG ThinQ AI TVs are the only TVs with the Google Assistant and Alexa built-in*. LG ThinQ fully integrates the voice assistants you already use.

*Some features require 3rd party subscription or account.

dolby vision iq

Cinematic Sight and Sound

Dolby Vision IQ automatically adjusts picture settings depending on ambient lighting conditions and content genres. Dolby Atmos puts you in the middle of the action with multi-dimensional surround sound that seems to flow all around you.

nvidia g-sync

See how LG TVs give you the gaming edge

NVIDIA G-SYNC** and FreeSync*, gives you an edge with less lag, high refresh rates, and incredibly smooth and responsive gameplay. *FreeSync software update required. **NVIDIA G-SYNC is compatible with RTX 20 and GTX 16 graphics cards. Older GPUs will not support G-SYNC compatibility.

Gaming

nvidia g-sync

G-SYNC Compatible

Exceptional picture quality of perfect black and intense colors combined with smooth gameplay to take gaming to new heights.

hdmi

Smoother Gameplay for the Win

A higher frame rate, VRR, ALLM, and eARC with HDMI 2.1 support.

low input lag

Low Input Lag & Response Time

With a low input lag and fast 1ms response time, get ready to play in full-force with reduced blurring and added clarity.

hdr gaming

More Immersive HDR Gaming

HDR gaming drops players right into the action for a new level of immersive gaming.

2020 LG OLED TVS

oled gx

OLED GX Series

oled wx

OLED WX Series

oled cx

OLED CX Series

oled bx

OLED BX Series

Customer Reviews
4.4 out of 5 stars
138
4.1 out of 5 stars
10
4.7 out of 5 stars
5,634
4.6 out of 5 stars
710
Screen Size
77", 65", 55" 65" 77", 65", 55", 48" 65", 55"
Design
Gallery Wallpaper Ultra-Thin Ultra-Thin
Processor
a9 Gen3 AI Processor 4K a9 Gen3 AI Processor 4K a9 Gen3 AI Processor 4K a7 Gen3 AI Processor 4K
Cinema HDR
Dolby Vision , HDR10, HLG Dolby Vision , HDR10, HLG Dolby Vision , HDR10, HLG Dolby Vision , HDR10, HLG
Dolby Vision IQ / Atmos
Yes / Yes Yes / Yes Yes / Yes Yes / Yes
Gaming
G-SYNC, FreeSync*, VRR, HGiG HGiG G-SYNC, FreeSync*, VRR, HGiG G-SYNC, FreeSync*, VRR, HGiG
Hands-free Voice Control
Yes Yes - -
Smart TV
LG ThinQ AI, webOS LG ThinQ AI, webOS LG ThinQ AI, webOS LG ThinQ AI, webOS
Voice Assistant Built-in
Google Assistant / Alexa Google Assistant / Alexa Google Assistant / Alexa Google Assistant / Alexa
Apple AirPlay 2 & HomeKit
HDMI/USB Ports
4/3 4/3 4/3 4/3
Suggested Sound Bar Pairing
LG GX - LG SN8YG LG SN10YG

Looking for specific info?

What's in the box

  • Remote Control, Power Cable, E-Manual
  • Product information

    Technical Details

    Additional Information

    Warranty & Support

    Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.

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    LG OLED GX Series 77” Alexa built-in 4k Smart TV (3840 x 2160), Gallery Design, 120Hz Refresh Rate, AI-Powered 4K, Dolby Cinema, WiSA Ready, Voice Control (OLED77GXPUA, 2020)


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    Product Description

    And only OLED pixels emit their own light for perfect black, intense color and stunning picture —backed by AI Picture Pro and AI Sound Pro, our best 4K processor, connected home features and cutting-edge gaming tech.

    Customer reviews

    4.4 out of 5 stars
    4.4 out of 5
    138 global ratings

    Customers say

    Customers like the picture quality, value, and quality of the television. For example, they mention it's stunning, beautiful, and worth the extra money. That said, opinions are mixed on the ease of use and mounting.

    AI-generated from the text of customer reviews

    17 customers mention17 positive0 negative

    Customers are satisfied with the picture quality of the television. They mention that it has a stunning picture, it looks super premium, and has high contrast. Some say that the picture is lifelike and easy to watch in a sunny room.

    "...The picture is absolutely stunning!!! It has completely changed my TV viewing experience (I cannot take my eyes off the screen)!..." Read more

    "This tv is everything every review says it is. Unbelievable picture quality. Works well with PC games (tested with an RTX 3090) and uses GSync...." Read more

    "...It looks super premium, which you'd for a $3300 TV. I was fearful of the mounting the TV myself, but I did so myself and its no biggie...." Read more

    "...with it to your liking, you can now sit back and marvel at the amazing picture! /..." Read more

    14 customers mention14 positive0 negative

    Customers are satisfied with the quality of the television. They say it is the best quality TV, flawless, and perfect for them. Some mention that it completely changed their TV viewing experience and that the picture is high contrast and easily watchable in a sunny room.

    "...The picture is absolutely stunning!!! It has completely changed my TV viewing experience (I cannot take my eyes off the screen)!..." Read more

    "...PICTURE has high contrast and easily watchable in a sunny roomNegatives:..." Read more

    "...Besides that this thing is just crazy awesome. I'm not rich at all but saved up and purchased this and couldn't be happier...." Read more

    "It’s amazing. I love how thin it is. I was a bit surprised how heavy this unit is. Definitely requires 2 people to lift and install." Read more

    5 customers mention5 positive0 negative

    Customers like the thickness of the TV. For example, they say it's thin and deceptively heavy.

    "...This TV is deceptively heavy, but hanging it can be very easy if you read through the instructions first...." Read more

    "It’s amazing. I love how thin it is. I was a bit surprised how heavy this unit is. Definitely requires 2 people to lift and install." Read more

    "...Good:- The picture quality is amazing, of course.- It's super thin.- It mounts flush.-..." Read more

    "Amazing picture quality and only an inch thick. I love it! Mine arrived in secure packaging, and it is flawless...." Read more

    4 customers mention4 positive0 negative

    Customers appreciate the value of the television. They say it's worth the extra money.

    "...If you can afford it it's worth extra money...." Read more

    "Best TV I have ever owned, If you have the budget, is worth every penny." Read more

    "Great big price" Read more

    "Worth every cent...." Read more

    3 customers mention3 positive0 negative

    Customers are satisfied with the dimensions of the television. For example, they mention it's huge, beautiful, and sleek. That said, they say it complements whatever room it goes in.

    "...feel like you are in the middle of the action due to the size and incredible details...." Read more

    "...Its sleek and complements whatever room it goes in" Read more

    "It is HUGE and beautiful..." Read more

    3 customers mention3 positive0 negative

    Customers are satisfied with the TV's features. They mention that it has a good set of features, and the breadth of available services is impressive.

    "...It is a fine looking piece of technology.The TV has many features, some of the menus are a bit wonky..." Read more

    "...Blacks are black AF.- The breadth of available services is impressive.-..." Read more

    "...By all accounts an amazing screen with great quality and good set of features. Two reasons for 4 as opposed to 5 stars:..." Read more

    5 customers mention2 positive3 negative

    Customers are mixed about the mounting of the television. Some mention that it mounts flush, with no issues, and the mounting bracket is wonderfully designed. Others say that wall-mounting this can be tricky.

    "...The flush mounting bracket is wonderfully designed...." Read more

    "...dollars once get into this price range right? Oh and mounting is little tricky but I'm not pro and had it up and turned on about 3 hours...." Read more

    "...It's super thin.- It mounts flush.- The mounting bracket is amazingly small.-..." Read more

    "...None of them worked. The mounting bracket is small enough that it will only hit one set of studs. So I got two screws into a stud...." Read more

    12 customers mention2 positive10 negative

    Customers find the installation of the television to be challenging. They mention that the contrast is too high and the white highlights are blinding to the eye. The TV requires 2 people to lift and install, and the motion handling is subpar. The picture is noticeably less sharp than other OLED televisions, and dark uniformity issues are an issue.

    "...Installation is a bit tricky... Take your time, be methodical, do your homework..." Read more

    "...Of note is the sharpness on my Spectrum cable box, the picture is noticeably less sharp than my B8; this could be due to the larger screen size..." Read more

    "...Any white highlights are blinding to the eye. Good thing that one can modify the settings to lower brightness to 50, and contrast between 65 to 70...." Read more

    "...Motion handling is sub-par. Very digital look sometimesMount is too small; we have it in 1 stud and used wall anchors for the rest...." Read more

    Can be hung flush with a single-gang bracket (no 14 inch hole required)
    4 Stars
    Can be hung flush with a single-gang bracket (no 14 inch hole required)
    This is my first TV in 20 years (I've had only projectors), so I have nothing to compare this to, but I did expect a little more out of the price. I've only had it up one day, so I'll update as I use it more.Good:- The picture quality is amazing, of course.- It's super thin.- It mounts flush.- The mounting bracket is amazingly small.- The mounting bracket allows for super easy leveling after installed.- Blacks are black AF.- The breadth of available services is impressive.- The software is a little cheap looking, but does everything I need to so far.Not so good:- The remote is IR and requires line of sight to work. I don't understand why all remotes aren't Bluetooth now.- The frame tapers inward. This gives it shadow and makes it appear not as flush as it could. A flat frame would have looked better and felt more solid during install.- The screen is plastic. It would look amazingly better if it was glass. Also it would feel more solid during install. When picking it up to hang, my hands pushed in on the plastic and I was worried it would damage the screen (seems fine). Also, the plastic shows "waves" in the screen when off as it's not totally flat. Glass would be perfectly smooth.- They tried too hard to make it as thin as possible. Just a few extra millimeters, especially in the frame, would give room for bulkier cables and slight imperfections in the mounting bracket and still allow it to mount flush.- The wire clamps feel cheap. Again, for the price I want all the little details to be "Apple-like".- The anchors for the mounting bracket are AWFUL. Don't waste your time. They take too much force to expand, so they just start spinning. None of them worked. The mounting bracket is small enough that it will only hit one set of studs. So I got two screws into a stud. Then I got 6 plastic anchors (pictured) that hold 80lbs. Then I filled the rest of the available holes with Wall Dogs.- The paper hanging template is mostly useless. It stretches and warps and doesn't really line up exactly with the TV. Just measure everything manually and mark on the wall.Notes:- This is a moderately tough install to do yourself. It requires two decently strong people to lift (77"), especially when lining it up to mount.- Flush mounting with hidden in-wall wires does NOT require a 14" hole in your wall. I'm a renter, so I wasn't about to cut a hole that big. I used a single-gang bracket, and cut into the wallboard a bit to get it flush. I didn't put the faceplate on. I put it 1.5" from the bottom centered (pictured). The TV mounted totally flush, no issues.Overall, I feel like a few improvements would make it feel much more solid and high-end. Slightly thicker, flat frame, a little more metal, and a glass screen would go a long way. When hanging it I was worried about damaging it just by handling it. I want it to feel solid and durable.
    Thank you for your feedback
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    5.0 out of 5 stars Superb tv
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