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LG OLED evo B4 65" 4K TV vs Samsung S85F OLED 4K Smart TV (2025)

Both are 65-inch 4K OLEDs with 120Hz panels and four HDMI ports, so picture fundamentals are close. The LG B4 is the better pick for gamers and movie watchers who want Dolby Vision and Dolby Atmos, which the B4 supports and the S85F does not. The Samsung S85F adds HDR10+ and a brighter, more processed image from its NQ4 AI Gen2 chip, and owners rate it highly. Choose LG for format support and value; choose Samsung for HDR10+ content and punchier processing.

  • Choose the LG B4 if you watch Dolby Vision movies, use a PS5 or Xbox with Dolby Vision, or want Dolby Atmos sound and the widest format support.
  • Choose the Samsung S85F if most of your content is HDR10+ (Amazon Prime Video, some discs) or you prefer Samsung's brighter AI upscaling and SmartThings integration.

Prices

  • LG OLED evo B4 65" 4K TV: $1,199.99 at Amazon (last seen Nov 13)
  • Samsung S85F OLED 4K Smart TV (2025): $1,077.95 at Walmart (checked today)
  • Difference: the Samsung S85F OLED 4K Smart TV (2025) is $122.04 cheaper than the LG OLED evo B4 65" 4K TV at the latest prices (Nov 13 and Nov 14)
LG
LG OLED evo B4 Series 65" 4K Smart TV (OLED65B4PUA)

LG OLED evo B4 65" 4K TV

LG OLED evo B4 Series 65" 4K Smart TV (OLED65B4PUA)

$1,199.99at AmazonChecked 16 h ago
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
  • Dolby Vision and Dolby Atmos support
  • Four HDMI 2.1 ports with G-Sync and FreeSync
  • webOS with all three major voice assistants
  • Slim 1.8-inch profile
  • Strong value for an OLED
Cons
  • Lower peak brightness than Samsung's processing delivers
  • a8 chip is a step below LG's top G4 processor
  • No HDR10+ support
Samsung
Samsung 65 inch OLED HDR 4K S85F Smart TV (2025)

Samsung S85F OLED 4K Smart TV (2025)

Samsung 65 inch OLED HDR 4K S85F Smart TV (2025)

4.8(469 ratings)
$1,077.95at WalmartChecked 4 h ago
See all prices and details
Visit Walmart
Pros
  • HDR10+ support for Amazon and some discs
  • NQ4 AI Gen2 upscaling sharpens lower-resolution content
  • Bright, punchy OLED picture
  • SmartThings and Alexa integration
  • High owner rating
Cons
  • No Dolby Vision
  • No Dolby Atmos; 20W 2.0 audio
  • No Siri or AirPlay support

What separates them

LG OLED evo B4 65" 4K TVSamsung S85F OLED 4K Smart TV (2025)
HDR formatsHDR10 and Dolby VisionHDR10, HDR10+ and OLED HDR; no Dolby Vision
AudioDolby Atmos decoding, 2.0 channels2.0 channels, 20W RMS, top-firing speakers, no Dolby Atmos
ProcessorLG a8 AI Processor 4K with AI upscalingNQ4 AI Gen2 with 20 neural networks
Smart platformwebOS with Google Assistant, Alexa and Siri/AirPlayTizen with SmartThings, Alexa and Google Assistant; no Siri
Gaming120Hz, four HDMI 2.1 ports, G-Sync, FreeSync, VRR120Hz, four HDMI ports, VRR; fewer confirmed 2.1 features
BrightnessOLED evo panel, moderate peak brightnessOLED panel tuned brighter with AI enhancement
Design1.8 in deep, slim profileSlim bezel, flowing design
Owner ratingsWidely praised for value and picture4.8 out of 5 from 469 ratings

Price history

$1,497.99$837.00
Oct 30Nov 14
  • LG OLED evo B4 65" 4K TV: lowest $837.00 on Oct 30; $1,199.99 on Nov 14.
  • Samsung S85F OLED 4K Smart TV (2025): lowest $1,077.95 on Nov 12 at Amazon; $1,185.79 on Nov 14.

Prices at every store

LG OLED evo B4 65" 4K TV

  • AmazonNew

    Availability unknown

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

    $1,199.99Free shippingChecked 16 h ago
    Visit Amazon

Also available at

  • eBayCheck price at eBay

Store links may earn us a commission.

Prices and history →

Samsung S85F OLED 4K Smart TV (2025)

  • WalmartNew

    In stockSold by Video & Audio CenterReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $1,077.95Free shippingChecked 4 h ago
    Visit Walmart
  • Best BuyNew

    In stock

    $1,234.99Free shippingChecked 18 h ago
    Visit Best Buy
  • AmazonNew

    Availability unknown

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

    $1,077.95Free shippingChecked 23 h ago
    Visit Amazon
  • eBayNew

    Availability unknownSold by redtagdeal (99.9% positive, 28,400 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 Nov 8
    Visit eBay

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

All 10 stores and price history →

Specs compared

SpecLG OLED evo B4 65" 4K TVSamsung S85F OLED 4K Smart TV (2025)
Resolution3840 x 21603840 x 2160
High DefinitionYesYes
HDTV Format4K4K
ColorBlackBlack
Screen FormFlatFlat
Display TypeOLEDOLED
Assistant SupportGoogle Assistant, Amazon Alexa, SiriGoogle Assistant, Amazon Alexa
Refresh Rate120 Hz120Hz
ConnectivityBluetooth, Wi-Fi, USB, HDMI, EthernetBluetooth, Wi-Fi, USB, HDMI
Supported Streaming ServicesNetflix, YouTubeNetflix
Screen Size48 inches, 55 inches, 65 inches, 77 inches64.5"
Depth1.8 in deep1.3 in deep
Show all 40 specsShow fewer specs
SpecLG OLED evo B4 65" 4K TVSamsung S85F OLED 4K Smart TV (2025)
Weight31.5 lb, 37.7 lb, 51.8 lb175 lb
HDRYesYes
Width57.1 in wide3.9 in wide
HDMI Ports4 HDMI portsHDMI x4
CEC EnabledYes—
Viewing Angle178° viewing angle—
Native resolution—3840x2160
Processor—NQ4 AI Gen2 Processor
Audio system—2.0 Channel
Speaker output

What reviewers say

LG OLED evo B4 65" 4K TV

Owners of the B4 line generally rate the picture highly, calling it a big step up from LED for movies and games. Complaints center on brightness in bright rooms.

What people mention
  • Picture qualityPraisedOwners say the OLED panel delivers deep blacks and strong contrast that LED sets can't match.
  • BrightnessCriticisedReviewers note the B4 is dimmer than brighter OLED and LED rivals, which shows in sunlit rooms.
  • GamingPraisedThe 120 Hz refresh rate and low input lag are called out as good for consoles.
  • Viewing anglePraisedThe 178° viewing angle keeps colors and contrast steady from the side seats.

Samsung S85F OLED 4K Smart TV (2025)

  • 4.8 / 5469 ratings

With 4.8 out of 5 from 469 ratings, owners are largely very happy with the S85F's picture and design. Most praise focuses on OLED contrast and the slim look; sound quality draws the most complaints.

What people mention
  • Picture qualityPraisedOwners call the OLED contrast and color the standout, especially for movies in a dark room.
  • SoundCriticisedThe 20W 2.0-channel speakers are described as thin, and many owners add a soundbar.
  • DesignPraisedThe slim profile and thin bezel are frequently mentioned as a reason to buy.

Questions and answers

Which is better for gaming, the LG B4 or Samsung S85F?
The LG B4. It has four HDMI 2.1 ports with G-Sync, FreeSync and VRR, and supports Dolby Vision gaming. The S85F has 120Hz and VRR but fewer confirmed 2.1 features.
Does the Samsung S85F support Dolby Vision?
No. Samsung has never supported Dolby Vision. The S85F handles HDR10 and HDR10+ instead, while the LG B4 supports Dolby Vision.
Which has better sound?
The LG B4 decodes Dolby Atmos and handles object-based audio better. The S85F has 20W 2.0 top-firing speakers, which are fine for everyday TV but lack Atmos. A soundbar helps either one.
Is the Samsung S85F brighter than the LG B4?
Samsung tunes the S85F brighter and applies more AI enhancement, so highlights pop more. The B4 is no slouch, but it favors accuracy over punch. Neither matches a bright LCD in a sunlit room.
Which lasts longer?
Both use OLED panels with similar lifespans, and neither brand publishes a hard hour rating. Burn-in risk is low for mixed viewing on either. The B4's wider format support matters more day to day than longevity.
Is the Samsung S85F worth stepping up to over the LG B4?
Only if HDR10+ content and Samsung's AI upscaling matter to you. Otherwise the B4 gives you Dolby Vision, Dolby Atmos and full HDMI 2.1 at a lower tier, which suits most buyers better.

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Buying guides that pick them

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—
20w RMS
HDR standards—HDR10+, OLED HDR
USB interfaces—2
Ethernet port—1
Digital audio out—1
Bluetooth—Yes
Image Enhancement—Yes
Wireless & Streaming—Miracast
Local dimming—No
Smart Home System—Samsung SmartThings, Amazon Alexa
MHL—No
Ambilight—No
Smart TV—Yes
Release Year—2025
VRR—Yes
CEC—Yes
Screen Resolution—3840x2160 (4K Ultra HD)
Screen design—Flat
Wi-Fi—Yes
  • GamingPraised120Hz refresh and VRR are called out as making console games feel smooth.