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Sony BRAVIA XR8B 77" OLED TV vs LG G6 OLED48G66LS 48" OLED TV

These are two different sizes of premium OLED, so the choice is mostly about the room. The Sony XR8B is a 77-inch Google TV with four HDMI inputs, Dolby Atmos and Sony's processing, built for a big living room or home theater. The LG G6 is a 48-inch OLED evo with a brighter panel, an anti-glare screen, Dolby Vision and 165Hz VRR, built for smaller rooms and gaming. Owners rate the Sony well at 4.4 out of 5; the LG's newer panel tech and gaming features are the stronger spec sheet on paper.

  • Choose the Sony XR8B if you want a large 77-inch OLED for movies and sports in a big room and prefer Google TV with Apple HomeKit support.
  • Choose the LG G6 if your space suits a 48-inch screen and you want the brightest OLED panel, Dolby Vision and high-refresh gaming.

Prices

  • Sony BRAVIA XR8B 77" OLED TV: $1,998.00 at B&H Photo-Video-Audio (last seen Nov 9)
  • LG G6 OLED48G66LS 48" OLED TV: $647.00 at waxvinylcartel (checked today)
  • Difference: the LG G6 OLED48G66LS 48" OLED TV is $1,351.00 cheaper than the Sony BRAVIA XR8B 77" OLED TV at the latest prices (Nov 9 and Nov 14)
Sony
Sony 77” class BRAVIA XR8B OLED 4K HDR Smart Google TV K-77XR8B, 2025 Model

Sony BRAVIA XR8B 77" OLED TV

Sony 77” class BRAVIA XR8B OLED 4K HDR Smart Google TV K-77XR8B, 2025 Model

4.4(135 ratings)
$1,998.00at B&H Photo-Video-AudioChecked Nov 9
See all prices and details
Visit B&H Photo-Video-Audio
Pros
  • Large 77-inch OLED canvas for movies and sports
  • Four HDMI inputs for consoles and soundbars
  • Google TV with Google Assistant and Apple HomeKit
  • Dolby Atmos with five built-in speakers
  • Strong 4.4 out of 5 owner rating
Cons
  • No Dolby Vision support
  • Standard OLED brightness, weaker in bright rooms
  • No listed VRR figure for gaming
  • Very large footprint needs a big wall or stand
LG
LG OLED48G66LS 48 Inch OLED Evo AI G6 4K Ultra HD HDR Smart TV (Stand Version) 2026

LG G6 OLED48G66LS 48" OLED TV

LG OLED48G66LS 48 Inch OLED Evo AI G6 4K Ultra HD HDR Smart TV (Stand Version) 2026

$647.00at waxvinylcartelChecked 1 h ago
See all prices and details
Visit waxvinylcartel
Pros
  • OLED evo panel with Brightness Booster Ultra
  • Dolby Vision and Dolby Atmos
  • 165Hz VRR and under 0.1ms response for gaming
  • Reflection Free Premium anti-glare screen
  • Compact 48-inch size fits small rooms
Cons
  • 48 inches is small for a main living-room TV
  • Only a desktop stand version, no wall mount in the box
  • HDMI port count not stated
  • Newer model with less owner feedback so far

What separates them

Sony BRAVIA XR8B 77" OLED TVLG G6 OLED48G66LS 48" OLED TV
Screen size77 inches, a big-room centerpiece48 inches, suited to apartments and small rooms
Panel brightnessStandard OLED brightnessOLED evo with Brightness Booster Ultra, brighter highlights
HDR formatsHDR10 and Auto HDR Tone Mapping, no Dolby VisionDolby Vision, HDR10 and HLG
Gaming120Hz, no listed VRR figure120Hz native with VRR up to 165Hz and under 0.1ms response
Glare handlingStandard anti-reflective coatingReflection Free Premium anti-glare screen
Smart platformGoogle TV with Google Assistant and Apple HomeKitwebOS 26
HDMI inputsFour HDMI portsHDMI listed, count not stated
Design and standWall-mount oriented, remote includedGallery-style design, desktop stand included

Price history

$2,498.00$1,749.99
Nov 7Nov 14
  • Sony BRAVIA XR8B 77" OLED TV: lowest $1,749.99 on Nov 7 at Walmart; $1,999.99 on Nov 11.
  • LG G6 OLED48G66LS 48" OLED TV: lowest $2,493.06 on Nov 14 at McGrocer.

Prices at every store

Sony BRAVIA XR8B 77" OLED TV

  • B&H Photo-Video-AudioNew

    In stock

    $1,998.00Free shippingChecked Nov 9
    Visit B&H Photo-Video-Audio
  • Best BuyNew

    In stock

    $1,999.99Free shippingChecked Nov 11
    Visit Best Buy
  • AmazonNew

    Availability unknown

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

    $1,998.00Free shippingChecked Nov 9
    Visit Amazon
  • Best BuyNew

    Availability unknown

    $1,999.99Free shippingChecked Nov 9
    Visit Best Buy

Also available at

  • WalmartCheck price at Walmart

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

All 5 stores and price history →

LG G6 OLED48G66LS 48" OLED TV

  • waxvinylcartelNew

    In stockShips from the UK · duties may applyReturn policy

    $647.00Checked 1 h ago
    Visit waxvinylcartel
  • McGrocerNew

    In stockPriced in GBP (£1,886.82)Return policy

    $2,495.63Checked 2 h ago
    Visit McGrocer
  • McGrocerNew

    In stock

    $2,493.06+ $449.25 shippingChecked 2 h ago
    Visit McGrocer
  • eBayNew

    Availability unknownSold by brandsmartusa (99.5% positive, 37,900 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $999.99Free shippingChecked 2 h ago
    Visit eBay

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All 4 stores and price history →

Specs compared

SpecSony BRAVIA XR8B 77" OLED TVLG G6 OLED48G66LS 48" OLED TV
screen_size77 in48 Inches
Refresh rate120 Hz120Hz Native (VRR 165Hz)
Display TypeOLED4K OLED
colorBlack—
Resolution4K UHD—
DisplayOLED—
BrandSony—
Television typeOLED TVs—
Smart techY—
StreamersNetflix—
PlatformGoogle TV—
Virtual asst.Apple HomeKit, Google Assistant—
Show all 40 specsShow fewer specs
SpecSony BRAVIA XR8B 77" OLED TVLG G6 OLED48G66LS 48" OLED TV
HDMI number4—
Mount typeWall Mount—
High dynamic range formatHDR10, Auto HDR Tone Mapping—
Sound technologyDolby Atmos—
Color categoryBlack—
ManufacturerSony—
Video streaming qualityHDR—
Number of speakers5—
Input/output typeWireless—
Inputs & outputs

What reviewers say

Sony BRAVIA XR8B 77" OLED TV

  • 4.4 / 5135 ratings

Rated 4.4 out of 5 from 135 ratings, the XR8B draws praise for its OLED picture and Google TV interface. Buyers mostly flag brightness and price as the sticking points.

What people mention
  • Picture qualityPraisedOwners describe deep blacks, vivid color and crisp 4K detail.
  • BrightnessCriticisedSome say the panel struggles in bright, sunlit rooms.
  • SetupPraisedBuyers report quick setup and a smooth Google TV experience.
  • SoundPraisedThe built-in speakers with Dolby Atmos are called good enough without a soundbar.

Questions and answers

Which is better for a bright living room?
The LG G6. Its OLED evo panel with Brightness Booster Ultra and Reflection Free Premium screen handles daylight and glare better than the Sony's standard OLED panel.
Which is better for gaming?
The LG G6. It lists 165Hz VRR, under 0.1ms response and Dolby Vision, while the Sony lists 120Hz with no VRR figure.
Which has better sound?
The Sony lists five built-in speakers and Dolby Atmos. The LG supports Dolby Atmos but does not state a speaker count, so a soundbar is worth considering for either.
Is the Sony worth stepping up to for a big room?
Yes, if you sit far from the screen. A 77-inch set gives a much more cinematic image than 48 inches, and the Sony adds four HDMI inputs and Google TV.
Does the Sony support Dolby Vision?
No. It lists HDR10 and Auto HDR Tone Mapping only. The LG G6 supports Dolby Vision, HDR10 and HLG.
Which lasts longer?
Both are OLED and should last many years with normal use. The LG's newer panel generation and anti-glare coating are the fresher design, but neither maker publishes a lifespan figure.

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More comparisons

  • Sony 77” class BRAVIA XR8B OLED 4K HDR Smart Google TV K-77XR8B, 2025 Model vs Sony 77” class BRAVIA 8 OLED 4K HDR Smart Google TV K77XR80
  • Sony 77” class BRAVIA XR8B OLED 4K HDR Smart Google TV K-77XR8B, 2025 Model vs Sony 65” class BRAVIA 8 II QD-OLED 4K HDR Smart Google TV K-65XR80M2 (2025 Model)
  • Sony 77” class BRAVIA XR8B OLED 4K HDR Smart Google TV K-77XR8B, 2025 Model vs Sony 65-inch BRAVIA 8 II OLED 4K Smart TV
  • Sony 77” class BRAVIA XR8B OLED 4K HDR Smart Google TV K-77XR8B, 2025 Model vs Sony 77 Class XR8C Series OLED 4K UHD TV
  • Sony 77” class BRAVIA XR8B OLED 4K HDR Smart Google TV K-77XR8B, 2025 Model vs TCL 98 Inch Class QM7K Series
  • Sony 77” class BRAVIA XR8B OLED 4K HDR Smart Google TV K-77XR8B, 2025 Model vs LG OLED Flex
  • Sony K-77XR80 vs LG OLED48G66LS 48 Inch OLED Evo AI G6 4K Ultra HD HDR Smart TV (Stand Version) 2026

Buying guides that pick them

  • Best 48-inch HDR TVs under $800
Inputs - USB, RJ-45 & Outputs - HDMI
—
Input/output quantity4—
Accessories includedRemote Control—
Recommended locationIndoor—
Screen Resolution3840x2160 (4K Ultra HD)—
BluetoothYes—
Release Year2025—
Wi-FiYes—
Network FunctionalitySmart TV, Google Assistant—
Smart TVYes—
HDMI Ports4 ports—
Internet Streaming ServicesYouTube, Apple TV, Bravia Core, Crunchyroll, Di…—
Network ConnectivityWi-Fi, Bluetooth, LAN—
Video InterfaceHDMI, USB—
CEC EnabledYes, BRAVIA Sync Function—
HDTV Format4K UHD—
Backlight TechnologyOLED—
Display HighlightsHDR, High brightness—
Display Aspect Ratio16:9—