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LG B6 OLED evo 4K Smart TV vs Samsung QN48S90HA OLED 4K TV

These are very different sizes, so the first question is your room, not the spec sheet. The LG B6 is a 65-inch OLED evo with Dolby Vision, a 120Hz panel and a 2.0-channel 20W speaker system; the Samsung S90H is a 48-inch OLED with a glare-free coating, Dolby Atmos, a 2.1-channel setup and a 165Hz gaming mode. Both are 4K OLEDs with four HDMI ports and good viewing angles, so picture quality is close; the Samsung adds anti-glare and stronger gaming and audio features, while the LG wins on sheer screen size for a main living-room TV.

  • Choose the LG B6 if you want the biggest OLED picture for a bright, wide living room and Dolby Vision matters for your streaming.
  • Choose the Samsung S90H if your space suits a 48-inch set, you game at high frame rates, or window glare is a problem.

Prices

  • LG B6 OLED evo 4K Smart TV: $999.99 at Amazon (checked today)
  • Samsung QN48S90HA OLED 4K TV: $997.99 at Amazon (last seen Nov 10)
  • Difference: the Samsung QN48S90HA OLED 4K TV is $2.00 cheaper than the LG B6 OLED evo 4K Smart TV at the latest prices (Nov 10 and Nov 13)
LG
LG B6 Series OLED evo AI 4K Smart TV (2026)

LG B6 OLED evo 4K Smart TV

LG B6 Series OLED evo AI 4K Smart TV (2026)

$999.99at AmazonChecked 15 min ago
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Pros
  • Large 65-inch OLED evo panel
  • Dolby Vision support for streaming and discs
  • 120Hz native panel with VRR up to 144Hz
  • Four HDMI ports and Bluetooth 5.3
Cons
  • Only 20W of 2.0-channel audio
  • No anti-glare coating
  • Heavier at 37.7 lb
  • No Dolby Atmos
Samsung
Samsung QN48S90HA OLED 4K TV with Austere Power Outlet

Samsung QN48S90HA OLED 4K TV

Samsung QN48S90HA OLED 4K TV with Austere Power Outlet

$997.99at AmazonChecked Nov 10
See all prices and details
Visit Amazon

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Pros
  • Glare-free OLED panel handles bright rooms
  • 165Hz gaming mode with FreeSync Premium and G-Sync
  • Dolby Atmos with a 2.1-channel system
  • Wi-Fi 6E and a full port set including optical and RS-232C
Cons
  • 48-inch screen is small for a main room
  • No Dolby Vision
  • Siri not supported

What separates them

LG B6 OLED evo 4K Smart TVSamsung QN48S90HA OLED 4K TV
Screen size65 inches48 inches
Anti-glare coatingStandard glossy finishGlare Free panel
HDR formatsDolby Vision, HDR10, HLGHDR10+ and HDR10, no Dolby Vision
Gaming refresh120Hz native, VRR to 144HzMotion Xcelerator 165Hz, VRR, FreeSync Premium and G-Sync
Audio2.0 channel, 20W2.1 channel with Dolby Atmos and OTS Lite
Smart assistantsGoogle Assistant and SiriGoogle Assistant and Amazon Alexa
ConnectivityWi-Fi, Bluetooth 5.3, 4 HDMI, EthernetWi-Fi 6E, Bluetooth 5.3, 4 HDMI, optical, RF, RS-232C
Weight without stand37.7 lb23.4 lb

Price history

$1,099.99$997.99
Nov 2Nov 13
  • LG B6 OLED evo 4K Smart TV: lowest $999.99 on Nov 10 at Amazon; $999.99 on Nov 13.
  • Samsung QN48S90HA OLED 4K TV: lowest $997.99 on Nov 9 at Amazon; $997.99 on Nov 11.

Prices at every store

LG B6 OLED evo 4K Smart TV

  • McGrocerNew

    In stock

    $2,820.54+ $305.43 shippingChecked Nov 11
    Visit McGrocer
  • AmazonNew

    Availability unknown

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

    $999.99Free shippingChecked 15 min ago
    Visit Amazon
  • AmazonNew

    Availability unknown

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

    $999.99Free shippingChecked 10 h ago
    Visit Amazon
  • eBayNew

    Availability unknownSold by wholesale_connection (99.7% positive, 144,000 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $1,199.99Free shippingChecked 15 min ago
    Visit eBay

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All 5 stores and price history →

Samsung QN48S90HA OLED 4K TV

  • AmazonNew

    Availability unknown

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

    $997.99Free shippingChecked Nov 10
    Visit Amazon

Store links may earn us a commission.

Prices and history →

Specs compared

SpecLG B6 OLED evo 4K Smart TVSamsung QN48S90HA OLED 4K TV
Screen Size65"48.0
Display Type4K OLEDOLED
HDRDolby Vision / HDR10 / HLGYes
Resolution3840 x 21603840 x 2160
High DefinitionYesYes
HDTV Format4K4K
ColorBlackTitanium
Screen FormFlatFlat
Assistant SupportGoogle Assistant, SiriGoogle Assistant, Amazon Alexa
ConnectivityBluetooth, Wi-Fi, USB, HDMI, EthernetBluetooth, Wi-Fi, RF, USB, HDMI, Ethernet, Opti…
Supported Streaming ServicesNetflix, Prime Video, YouTube, Disney+, Now TVNetflix, Prime Video, YouTube
Weight37.7 lb23.4 lb
Show all 31 specsShow fewer specs
SpecLG B6 OLED evo 4K Smart TVSamsung QN48S90HA OLED 4K TV
HDMI Ports4 HDMI ports4 HDMI ports
Display Resolution4K Ultra HD (3,840 x 2,160)—
Refresh Rate120Hz Native (VRR 144Hz)—
Picture ProcessorAlpha 8 AI Processor 4K Gen3—
Audio Output20W—
Speaker System2.0 channel—
TV Weight without Stand17.1—
TV Dimensions without Stand1449 x 832 x 45.9—
VESA Mounting300 x 200—

What reviewers say

Samsung QN48S90HA OLED 4K TV

Reviewers highlight the S90H as a versatile small-format OLED that excels in gaming due to its 165Hz panel and low input lag. The AI Gen3 processor is noted for improving upscaling and motion handling over previous generations.

What people mention
  • Gaming PerformancePraisedThe 165Hz refresh rate and dedicated Gaming Hub make it a top choice for console and PC players.
  • AI ProcessingPraisedThe NQ4 AI Gen3 processor effectively upscales lower-resolution content to 4K.
  • BrightnessMixedWhile it features an anti-glare coating, it still struggles against direct sunlight compared to high-end LCD TVs.

Questions and answers

Which is better for a bright living room?
The Samsung S90H has a glare-free coating that cuts reflections, so it holds up better near windows. The LG B6 is larger but has a standard glossy finish.
Which is better for gaming?
The Samsung S90H. It reaches 165Hz, supports FreeSync Premium and G-Sync, and has a game bar and motion tools. The LG B6 is a solid 120Hz set with VRR to 144Hz.
Do both support Dolby Vision?
No. The LG B6 supports Dolby Vision, HDR10 and HLG. The Samsung S90H supports HDR10+ and HDR10 but not Dolby Vision.
Which has better sound out of the box?
The Samsung S90H, with a 2.1-channel system, Dolby Atmos and object tracking sound. The LG B6 has a basic 2.0-channel 20W setup, so a soundbar helps.
Is the LG worth stepping up to for the bigger screen?
If the TV anchors a main room and you sit several feet back, the 65-inch LG B6 gives a much larger picture. In a smaller room the 48-inch Samsung is the better fit.

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Bluetooth Support
Yes (v 5.3)
—
Screen Resolution—3840x2160 (4K Ultra HD)
Release Year—2026
Display—OLED
CEC Enabled—Yes
Anti-Glare—Yes
With Energy Saving Mode—Yes
With V-Chip—Yes
Width—42.1 in wide
Depth—1.6 in deep