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LG B5 Series 65" OLED TV vs Samsung S84H OLED 4K Smart TV (65")

Both are 65-inch 120Hz OLEDs with four HDMI ports, so the picture fundamentals are close. The LG B5 adds Dolby Vision, which the Samsung S84H lacks; the Samsung counters with HDR10+ and Wi-Fi 6E. The LG B5 has a large, well-rated owner base at 4.5 out of 5, while the S84H is a newer 2026 model with less track record. Buy the LG for Dolby Vision movies and proven owner satisfaction; buy the Samsung if you want HDR10+ and faster Wi-Fi.

  • Choose the LG B5 if you watch Dolby Vision content from Netflix, Disney+ or discs and want a set with a long, well-rated owner record.
  • Choose the Samsung S84H if you want HDR10+ support, Wi-Fi 6E and the newer 2026 Tizen platform.

Prices

  • LG B5 Series 65" OLED TV: $917.00 at Walmart (checked today)
  • Samsung S84H OLED 4K Smart TV (65"): $899.99 at Best Buy (last seen Nov 9)
  • Difference: the Samsung S84H OLED 4K Smart TV (65") is $17.01 cheaper than the LG B5 Series 65" OLED TV at the latest prices (Nov 9 and Nov 10)
LG
LG 65" OLED B5 Series 4K UHD OLED AI Smart webOS 25 TV

LG B5 Series 65" OLED TV

LG 65" OLED B5 Series 4K UHD OLED AI Smart webOS 25 TV

4.5(374 ratings)
$917.00at WalmartChecked 15 min ago
See all prices and details
Visit Walmart

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

Pros
  • Dolby Vision plus HDR10 and HLG covers every major HDR format
  • Four HDMI ports with eARC, ALLM and VRR suit consoles and soundbars
  • Works with Google Assistant, Alexa and Siri
  • Strong 4.5 out of 5 owner rating across 374 reviews
  • Self-lit OLED pixels give wide viewing angles
Cons
  • No HDR10+ support
  • Older 2025 model than the Samsung
  • Wi-Fi generation not stated, likely behind Wi-Fi 6E
  • Peak brightness is modest compared with premium OLEDs
Samsung
65” Class S84H Series OLED 4K UHD Samsung Vision AI Smart Tizen TV 2026

Samsung S84H OLED 4K Smart TV (65")

65” Class S84H Series OLED 4K UHD Samsung Vision AI Smart Tizen TV 2026

$899.99at Best BuyChecked 21 h ago
See all prices and details
Visit Best Buy
Pros
  • HDR10+ support for Amazon Prime Video and other HDR10+ sources
  • Wi-Fi 6E and Bluetooth 5.3 for faster, cleaner wireless
  • Newer 2026 model with the latest Tizen and Vision AI features
  • Four HDMI ports with eARC
  • AirPlay built in for Apple devices
Cons
  • No Dolby Vision, which covers most premium streaming HDR
  • Too new for a broad owner track record
  • Only one eARC port, same as most sets
  • Fewer stated gaming features in the listed specs

What separates them

LG B5 Series 65" OLED TVSamsung S84H OLED 4K Smart TV (65")
HDR formatsHDR10, Dolby Vision, HLGHDR10+, HLG; no Dolby Vision
Smart platformwebOS 25 with LG ThinQTizen with Samsung Vision AI
WirelessWi-Fi (version not stated), BluetoothWi-Fi 6E, Bluetooth 5.3
Voice assistantsThinQ, Google Assistant, Alexa, SiriBixby, Alexa, Google, AirPlay
HDMI4 HDMI, eARC, ALLM, VRR4 HDMI, 1 eARC
Refresh rate120 Hz120 Hz
Release year20252026
Owner feedback4.5 out of 5 from 374 ratingsToo new for a broad owner record

Price history

$995.00$899.99
Nov 7Nov 11
  • LG B5 Series 65" OLED TV: lowest $917.00 on Nov 8 at Walmart; $917.00 on Nov 11.
  • Samsung S84H OLED 4K Smart TV (65"): lowest $899.99 on Nov 10 at Best Buy.

Prices at every store

LG B5 Series 65" OLED TV

  • WalmartNew

    In stock

    $917.00Free shippingChecked 15 min ago
    Visit Walmart
  • Sam's ClubNew

    In stock

    $999.99Free shippingChecked 15 min ago
    Visit Sam's Club
  • eBayRefurbished

    Availability unknownSold by vipoutlet (97.2% positive, 1,000,000 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $949.00Free shippingChecked Nov 9
    Visit eBay
  • Best BuyNew

    Availability unknown

    $1,079.99Checked Nov 7
    Visit Best Buy

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

All 4 stores and price history →

Samsung S84H OLED 4K Smart TV (65")

  • Best BuyNew

    In stock

    $899.99Free shippingChecked 21 h ago
    Visit Best Buy
  • DoorDashNew

    In stockSold by Best Buy US

    $899.99+ $5.99 shippingChecked 21 h ago
    Visit DoorDash
  • Best BuyNew

    In stock

    $999.99Free shippingChecked 21 h ago
    Visit Best Buy

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

All 2 stores and price history →

Specs compared

SpecLG B5 Series 65" OLED TVSamsung S84H OLED 4K Smart TV (65")
Screen Size (")65.065 inches
Resolution3840 x 21603840 x 2160
High DefinitionYesYes
HDTV Format4K4K
Screen FormFlatFlat
Display TypeOLEDOLED
Refresh Rate120 Hz120 Hz
colorBlack—
ConnectionsHDMI—
Screen Resolution3840x2160 (4K Ultra HD)—
Screen designFlat—
Wi-FiYes—
Show all 40 specsShow fewer specs
SpecLG B5 Series 65" OLED TVSamsung S84H OLED 4K Smart TV (65")
VESA-MountYes—
Edge-lit LEDNo—
Surround Sound FormatsDolby AC-4, Dolby Digital—
HDR TypeHDR10, Dolby Vision, HLG—
MHLNo—
AmbilightNo—
No. of HDMI (pcs)4—
Refresh Rate (Hz)120—
3DNo—
ARCeARC—

What reviewers say

LG B5 Series 65" OLED TV

  • 4.5 / 5374 ratings

Rated 4.5 out of 5 from 374 ratings, the B5 is well liked for its picture in dark rooms and its gaming features at the price. Complaints center on brightness in bright rooms and on sound.

What people mention
  • Picture qualityPraisedOwners say blacks are deep and colors look rich, especially in a dark room.
  • BrightnessCriticisedReviewers say the panel dims in bright rooms and struggles with daylight glare.
  • GamingPraisedPlayers report smooth motion at 120Hz with VRR on consoles.
  • SoundCriticisedOwners find the built-in speakers weak and often add a soundbar.

Samsung S84H OLED 4K Smart TV (65")

Owners of Samsung's OLED line consistently praise the contrast, the anti-glare coating and the gaming features, and call Tizen fast and well stocked. The recurring complaints are the missing Dolby Vision and the modest built-in audio.

What people mention
  • Picture qualityPraisedOwners call the contrast and color depth the main reason to buy, especially for dark-room movies.
  • GamingPraisedReviewers report low input lag and smooth 120 Hz play on current consoles.
  • Dolby VisionCriticisedBuyers note that Dolby Vision content plays in HDR10 instead, a gap next to LG and Sony OLEDs.
  • SoundCriticisedThe built-in speakers are described as thin, with most owners adding a soundbar.

Questions and answers

Which is better for movies?
The LG B5, because Dolby Vision is the HDR format used by most premium streaming and disc releases. The Samsung S84H handles HDR10+ and HLG but not Dolby Vision.
Which is better for gaming?
Both run at 120 Hz with four HDMI ports. The LG B5 explicitly lists ALLM and VRR, which matter for consoles, so it is the safer pick on paper.
Is the Samsung worth stepping up to over the LG?
Only if HDR10+ and Wi-Fi 6E matter to you. Otherwise the LG B5 covers more HDR content and has a proven owner record.
Which has better wireless connectivity?
The Samsung S84H, with Wi-Fi 6E and Bluetooth 5.3. The LG B5 lists Wi-Fi without a generation.
Do both work with voice assistants?
Yes. The LG B5 supports ThinQ, Google Assistant, Alexa and Siri. The Samsung S84H supports Bixby, Alexa, Google and AirPlay.
Which lasts longer?
Both use OLED panels with similar lifespans. The LG B5 has a longer owner track record, while the S84H is too new for long-term reports.

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Buying guides that pick them

  • Best 65-inch LG OLED TVs
  • Best value OLED TVs
ALLMYes—
Smart TVYes—
Release Year2025—
Voice AssistantLG ThinQ—
HDRYes—
VRRYes—
Operating SystemwebOS—
DisplayOLED—
Assistant SupportGoogle Assistant, Amazon Alexa, Siri—
ConnectivityBluetooth, Wi-Fi, RF, USB, HDMI, Ethernet, Opti…—
Supported Streaming ServicesNetflix, Prime Video, Disney+—
Width—63.7 in wide
Screen size class—65 inches
HDR format—HDR 10+
Panel resolution—3840 x 2160
HDR support—HDR10+ & HLG
Smart platform—Tizen
Native refresh rate—120 Hz