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LG B5 Series OLED 4K TV (2025) vs LG C6 Series OLED TV (65")

The C6 is the better TV: a 65-inch panel, the brighter Alpha 11 Gen3 processor, a 2.2-channel speaker system and a 4.8 rating from 900 owners against 4.3 from 18. The B5 is the smarter fit for a small room, a desk or a second setup where 48 inches is the ceiling, and it still gives you OLED contrast, 120Hz, Dolby Vision and four HDMI 2.1 ports. Both are OLED with the same core gaming features, so the real choice is screen size and picture headroom, not capability.

  • Choose the LG B5 if your wall or stand space caps you at 48 inches and you want OLED blacks and 120Hz gaming in a smaller room.
  • Choose the LG C6 if you have room for 65 inches and want the brighter processor, fuller sound and the model owners rate highest.

Prices

  • LG B5 Series OLED 4K TV (2025): $299.99 at Best Buy (checked today)
  • LG C6 Series OLED TV (65"): $1,199.00 at Greentoe (checked today)
  • Difference: the LG B5 Series OLED 4K TV (2025) is $899.01 cheaper than the LG C6 Series OLED TV (65") today
LG
LG OLED48B5P 48 inch Class B5 Series OLED AI 4K Smart webOS TV (2025)

LG B5 Series OLED 4K TV (2025)

LG OLED48B5P 48 inch Class B5 Series OLED AI 4K Smart webOS TV (2025)

4.3(18 ratings)
$299.99at Best BuyObserved Nov 9, 2026, 6:33 PM
See all prices and details
Visit Best Buy

Store links may earn us a commission. Price via Klarna.

Pros
  • OLED panel with per-pixel dimming for true blacks
  • 120Hz native with G-Sync, FreeSync Premium and VRR
  • Four HDMI 2.1 inputs for consoles and a PC
  • Dolby Vision, Dolby Atmos and FILMMAKER MODE
  • Fits small rooms, bedrooms and desk setups
Cons
  • Only one speaker, so a soundbar is close to required
  • Alpha 8 chip is a step below LG's top processor
  • 48 inches limits seating distance
  • Small owner sample: 18 ratings
LG
LG 65" C6 Series 4K UHD OLED AI Smart webOS 26 TV

LG C6 Series OLED TV (65")

LG 65" C6 Series 4K UHD OLED AI Smart webOS 26 TV

4.8(900 ratings)
$1,199.00at GreentoeObserved Nov 9, 2026, 6:33 PM
See all prices and details
Visit Greentoe
Pros
  • 65-inch OLED with over 8 million self-lit pixels
  • Alpha 11 Gen3 processor sharpens picture and sound
  • 2.2-channel, four-speaker system needs no soundbar at first
  • webOS 26 with Siri on top of Alexa and Google Assistant
  • 4.8 out of 5 from 900 ratings, the strongest owner record here
Cons
  • Much larger footprint; needs a wide stand or wall mount
  • Heavier set, so plan for two people or a pro install
  • Bigger panel shows more of a weak source's flaws

What separates them

LG B5 Series OLED 4K TV (2025)LG C6 Series OLED TV (65")
Screen size48 inches65 inches
Picture processorAlpha 8 AI processorAlpha 11 AI processor Gen3
Speaker system1 speaker, Dolby Atmos decoding2.2-channel, 4 speakers
Smart platformwebOS 25webOS 26
Owner rating4.3 out of 5 from 18 ratings4.8 out of 5 from 900 ratings
HDR formatsDolby Vision, HDR10, HLGDolby Vision and HDR10 on an OLED panel
Gaming features120Hz native, G-Sync, FreeSync Premium, VRR, 4x HDMI 2.1120Hz native, VRR, 4x HDMI 2.1, 0.1ms response
Voice assistantsGoogle Assistant, Amazon AlexaGoogle Assistant, Amazon Alexa, Siri

Price history

$1,399.99$299.99
Oct 30Nov 10
  • LG B5 Series OLED 4K TV (2025): lowest $299.99 on Nov 7 at Best Buy; $299.99 on Nov 9.
  • LG C6 Series OLED TV (65"): lowest $899.99 on Nov 10 at Best Buy.

Prices at every store

LG B5 Series OLED 4K TV (2025)

  • Best BuyNew

    In stock

    $299.99Free shippingObserved Nov 9, 2026, 6:33 PM
    Visit Best Buy
  • WalmartNew

    In stockSold by Electronic ExpressReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $899.99Free shippingObserved Nov 9, 2026, 6:33 PM
    Visit Walmart
  • mercari.comNew

    Availability unknown

    $575.00Observed Nov 8, 2026, 4:43 PM
    Visit mercari.com
  • DoorDashNew

    Availability unknownSold by Best Buy US

    $649.99Observed Nov 8, 2026, 4:43 PM
    Visit DoorDash

Also available at

  • WalmartCheck price at Walmart

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

All 10 stores and price history →

LG C6 Series OLED TV (65")

  • GreentoeNew

    In stock

    $1,199.00Free shippingObserved Nov 9, 2026, 6:33 PM
    Visit Greentoe
  • Best BuyNew

    In stock

    $1,399.99Free shippingObserved Nov 9, 2026, 12:23 PM
    Visit Best Buy
  • LGNew

    In stock

    $1,399.99Free shippingObserved Nov 9, 2026, 12:23 PM
    Visit LG
  • WalmartNew

    Availability unknown

    $1,399.99Verified
    Visit Walmart

Also available at

  • Abt ElectronicsCheck price at Abt Electronics
  • WalmartCheck price at Walmart
  • NeweggCheck price at Newegg

Specs compared

SpecLG B5 Series OLED 4K TV (2025)LG C6 Series OLED TV (65")
colorBlackBlack
Screen size48 in65 in
Resolution4K UHD3840 x 2160
DisplayLEDOLED evo, OLED
Refresh rate120 Hz120 Hz
Number of speakers14
High DefinitionYesYes
HDTV Format4K4K
Screen FormFlatFlat
Display TypeOLEDOLED
Assistant SupportGoogle Assistant, Amazon AlexaGoogle Assistant, Amazon Alexa, Siri
HDRYesYes
Show all 40 specsShow fewer specs
SpecLG B5 Series OLED 4K TV (2025)LG C6 Series OLED TV (65")
ConnectivityBluetooth, Wi-Fi, RF, USB, HDMI, VGA, Ethernet,…Bluetooth, Wi-Fi, RF, USB, HDMI, Ethernet, Opti…
Supported Streaming ServicesNetflix, Prime Video, YouTube, HBO, Disney+Netflix, Prime Video, YouTube, HBO, Disney+
Width42.1 in wide48.1 in wide
Depth1.8 in deep1.8 in deep
HDMI Ports4 HDMI ports4
Smart PlatformwebOSwebOS 26
Weight25.4 lb, 31.5 lb, 58.9 lb36.6 lb, 45 lb, 47 lb
Refresh Rate (Hz)120120
Screen Resolution3840x2160 (4K Ultra HD)

What reviewers say

LG B5 Series OLED 4K TV (2025)

  • 4.3 / 518 ratings

Buyers rate it 4.3 out of 5 from 18 ratings.

What people mention
  • Picture qualityPraisedOwners highlight the OLED contrast and black levels as the main reason to buy.
  • GamingPraised120Hz, VRR and four HDMI 2.1 ports are called out as strong for consoles.
  • BrightnessCriticisedThe B5 is dimmer than C-series OLEDs, which shows in sunlit rooms.
  • SoundMixedDolby Atmos is supported, but built-in speakers are described as ordinary.

LG C6 Series OLED TV (65")

  • 4.8 / 5900 ratings

With 4.8 out of 5 from 900 ratings, owners are largely very happy with the C6's picture and gaming features. Complaints tend to be about brightness in bright rooms and the built-in sound rather than the panel itself.

What people mention
  • Picture qualityPraisedOwners describe deep blacks, rich color and strong contrast, especially in dim rooms.
  • GamingPraisedReviewers like the 120Hz panel, VRR and four HDMI 2.1 ports for consoles and PCs.
  • BrightnessMixedSome find it bright enough for most rooms; others say a sunlit room washes out the picture.
  • SoundCriticised
Reviews
  • You can get an LG B5 OLED for less than $900
  • LG’s 77-inch B5 OLED TV is down to $1,500 and comes with a $200 gift card
  • The LG B5 is a great entry-level OLED TV - especially at 50% off - X

Questions and answers

Which is better for gaming?
Both are strong. Each has a 120Hz native panel, VRR and four HDMI 2.1 ports, and the B5 adds G-Sync and FreeSync Premium certification. The C6 lists a 0.1ms response time and the newer processor, so it edges ahead on motion and input lag.
Is the C6 worth stepping up to over the B5?
Yes if you have the space. You get 17 more inches, a brighter Alpha 11 Gen3 processor, a real 2.2-channel speaker system and webOS 26. The B5 only makes sense when 48 inches is the limit.
Which lasts longer?
Both use OLED panels with the same basic wear profile, and LG rates them similarly for panel life. The C6's larger sample of 900 owner ratings at 4.8 suggests fewer complaints over time, but neither has a durability advantage in the specs.
Do I need a soundbar with either?
The B5 has a single speaker, so a soundbar or speakers are worth planning for. The C6's 2.2-channel, four-speaker system is usable on its own for everyday viewing.
Which is better for a bright room?
The C6. Its Alpha 11 Gen3 processor and newer panel generation handle highlights and reflections better. Neither OLED is ideal in direct sun, so control the light in either case.
Which is better for a small apartment?
The B5. At 48 inches it fits a narrow wall or a desk and is far easier to move. The C6 needs roughly 48 inches of width plus stand clearance.

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Buying guides that pick them

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All 19 stores and price history →
3840x2160 (4K Ultra HD)
Smart TVYesYes
Release Year20252026, 2025
Operating SystemwebOSwebOS
Surround Sound FormatsDolby AtmosDolby Atmos
BrandLG—
Television typeLED TVs—
Smart techY—
Tv featuresHigh Dynamic Range—
StreamersNetflix—
PlatformWebOS—
HDMI number4—
Mount typeFreestanding—
High dynamic range formatDolby Vision, HDR10, HLG—
Sound technologyDolby Atmos—
Horizontal viewing angle178 degrees—
Vertical viewing angle178 degrees—
Video streaming quality4K Ultra HD—
Contrast ratio range0000:0—
Brightness0 nt—
The 2.2-channel speakers are called thin, and many buyers add a soundbar.
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