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LG evo C4 83" 4K OLED TV vs Sony K77XR80PAEP 77-inch TV

Both are 4K OLED sets at 120 Hz with wide viewing angles and HDR, so picture quality is close. The LG C4 is the safer pick for most people: it is 6 inches larger, has four HDMI ports, Nvidia G-Sync certification and VRR, and the C-series has a long record with reviewers and owners for gaming and everyday streaming. The Sony XR80 is the step-down Bravia OLED line, and its 3-out-of-5 owner rating across 1,100 ratings is a caution; it adds Google Assistant, Alexa and Siri support and Sony's processing, which some viewers prefer for upscaling and motion.

  • Choose the LG C4 if you want the bigger screen, more HDMI inputs for a console, soundbar and streaming box, and certified VRR for gaming.
  • Choose the Sony XR80 if you prefer Sony's picture processing and want a TV that works with Google Assistant, Alexa and Siri out of the box.

Prices

  • LG evo C4 83" 4K OLED TV: $3,149.99 at Amazon (last seen Nov 4)
  • Sony K77XR80PAEP 77-inch TV: $2,299.99 at Schaefer's (checked today)
  • Difference: the Sony K77XR80PAEP 77-inch TV is $850.00 cheaper than the LG evo C4 83" 4K OLED TV at the latest prices (Nov 4 and Nov 11)
LG
LG evo C4 83" 4K Ultra HD OLED WebOS TV

LG evo C4 83" 4K OLED TV

LG evo C4 83" 4K Ultra HD OLED WebOS TV

$3,149.99at AmazonChecked Nov 4
See all prices and details
Visit Amazon

Store links may earn us a commission. As an Amazon Associate, Deal.ai earns from qualifying purchases.

Pros
  • 83-inch OLED panel with infinite contrast
  • Four HDMI ports, enough for a console, soundbar and two streamers
  • Nvidia G-Sync VRR certification suits PC and console gaming
  • 120 Hz refresh with HDR
  • WebOS is fast and has all major streaming apps
Cons
  • No anti-glare coating, so bright rooms can show reflections
  • No built-in Alexa or Siri
  • Large 83-inch panel needs a wide wall or stand
Sony
Sony K77XR80PAEP 77-inch TV

Sony K77XR80PAEP 77-inch TV

3(1,100 ratings)
$2,299.99at Schaefer'sChecked 6 h ago
See all prices and details
Visit Schaefer's
Pros
  • Sony picture processing, which many viewers like for upscaling and motion
  • Works with Google Assistant, Amazon Alexa and Siri
  • 120 Hz OLED panel with HDR and wide viewing angles
  • Google TV with Netflix and Prime Video
Cons
  • Only two HDMI ports, tight for a console plus soundbar plus streamer
  • 3 out of 5 owner rating from 1,100 ratings
  • Smaller 77-inch screen than the LG
  • VRR and G-Sync not listed in the specs

What separates them

LG evo C4 83" 4K OLED TVSony K77XR80PAEP 77-inch TV
Screen size83 inches77 inches
HDMI inputs4 ports2 ports
Variable refresh rateVRR with Nvidia G-Sync certification120 Hz panel, VRR not listed
Voice assistantsWebOS with LG ThinQ, no Alexa or Siri built inGoogle Assistant, Amazon Alexa and Siri support
Anti-glare coatingNo anti-glare treatmentNot listed
Smart platformWebOS with Netflix and major appsGoogle TV with Netflix and Prime Video
Owner ratingC-series has a strong owner reputation3 out of 5 from 1,100 ratings
Contrast and viewing anglesOLED, infinite contrast, 178° verticalOLED, 178° viewing angle

Price history

  • LG evo C4 83" 4K OLED TV: lowest $3,149.99 on Nov 4 at Amazon.
  • Sony K77XR80PAEP 77-inch TV: lowest $2,299.99 on Nov 11 at Schaefer's.

Prices at every store

LG evo C4 83" 4K OLED TV

  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $3,149.99Checked Nov 4
    Visit Amazon

Also available at

  • PzDealsCheck price at PzDeals

Store links may earn us a commission.

Prices and history →

Sony K77XR80PAEP 77-inch TV

  • Schaefer'sNew

    In stock

    $2,299.99Checked 6 h ago
    Visit Schaefer's
  • Jetson's ApplianceNew

    In stock

    $2,299.99Checked 6 h ago
    Visit Jetson's Appliance
  • ShopNew

    In stockSold by Shop app

    $3,074.00Checked 6 h ago
    Visit Shop
  • Best BuyNew

    In stock

    $3,199.99Free shippingChecked 6 h ago
    Visit Best Buy

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

All 7 stores and price history →

Specs compared

SpecLG evo C4 83" 4K OLED TVSony K77XR80PAEP 77-inch TV
Display TypeOLEDOLED
Resolution4K3840 x 2160
HDTV Format4K UHD4K
Refresh Rate120 Hz120 Hz
Viewing AngleWide viewing angles178° viewing angle
HDMI Ports42 HDMI ports
Network FunctionalitySmart TV—
Supported Resolutions4K—
Backlight TechnologyOLED—
Display HighlightsHDR—
Anti-GlareNo—
Max Resolution V-SyncVRR, Nvidia G-Sync VRR certification—
Show all 32 specsShow fewer specs
SpecLG evo C4 83" 4K OLED TVSony K77XR80PAEP 77-inch TV
Display Aspect Ratio16:9—
Dynamic Contrast RatioInfinite contrast—
Image Contrast RatioExcellent contrast—
Viewing Angle (Vertical)178° vertical—
Smart TVYes—
Internet Streaming ServicesNetflix—
Network ConnectivityEthernet, Wi-Fi—
Video InterfaceHDMI—
PC InterfaceHDMI—

What reviewers say

LG evo C4 83" 4K OLED TV

Owners praise the LG C4 for its stunning picture quality, deep blacks, and gaming features, but some mention reflections in bright rooms and the need to vary content to avoid burn-in.

What people mention
  • Picture qualityPraisedReviewers consistently highlight the perfect blacks and vibrant colors.
  • Gaming featuresPraisedLow input lag and VRR support are appreciated by gamers.
  • BrightnessMixedSome find it bright enough for most rooms, while others wish it were brighter for daytime viewing.
  • ReflectionsCriticisedThe lack of an anti-glare coating leads to noticeable reflections in well-lit rooms.

Sony K77XR80PAEP 77-inch TV

  • 3 / 51,100 ratings

Reviewers generally praise the Sony K77XR80PAEP for its stunning OLED picture quality and wide viewing angles. However, some criticize the limited HDMI ports and the high price. A few mention concerns about burn-in and average sound.

What people mention
  • Picture qualityPraisedReviewers consistently praise the OLED panel for its deep blacks, vibrant colors, and excellent contrast.
  • HDMI portsCriticisedMany complain that two HDMI ports are insufficient for connecting multiple devices like consoles and soundbars.
  • PriceCriticisedSome find the TV expensive compared to similar-sized LED models.

Questions and answers

Which is better for gaming, the LG C4 or the Sony XR80?
The LG C4. It has four HDMI ports, 120 Hz, VRR and Nvidia G-Sync certification, which the Sony listing does not show. The Sony has only two HDMI ports, so a console plus soundbar fills it up.
Is the LG C4 worth stepping up to over the Sony XR80?
For most shoppers, yes. You get a 6-inch larger screen, two more HDMI ports and certified VRR. Step to the Sony only if you specifically want Sony processing or built-in Alexa and Siri.
Which has better picture quality?
Both are OLED with HDR, infinite or near-infinite contrast and 178° viewing angles, so they are close. The LG adds G-Sync VRR for smoother gaming; the Sony leans on its processing for upscaling and motion.
Does the Sony XR80 support voice assistants?
Yes. It lists Google Assistant, Amazon Alexa and Siri support. The LG C4 runs WebOS with LG ThinQ and does not list Alexa or Siri built in.
Which is better for a bright living room?
Neither lists an anti-glare coating, so both can show reflections. The LG C4 explicitly has no anti-glare treatment; the Sony listing does not mention one either.
How many devices can I plug into each TV?
The LG C4 has four HDMI ports, plus Ethernet, Wi-Fi and a CI+ slot. The Sony XR80 has two HDMI ports, plus USB, Bluetooth, Ethernet and Wi-Fi.

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More comparisons

  • LG 55" 65" 77" 83" 97" G4 MLA OLED vs Sony K77XR80PAEP 77-inch TV
CEC Enabled
Yes (Simplink (HDMI CEC))
—
Expansion SlotsCI+—
Dimensions932x577x170 mm (with stand)—
High Definition—Yes
Color—Black
Screen Form—Flat
Assistant Support—Google Assistant, Amazon Alexa, Siri
HDR—Yes
Connectivity—Bluetooth, Wi-Fi, USB, HDMI, Ethernet
Supported Streaming Services—Netflix, Prime Video
Screen Size—77 inches
  • Sound qualityMixedWhile some find the built-in speakers adequate, others say they lack bass and recommend a soundbar.