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LG C6 Series OLED TV (65") vs Samsung 77-Inch S84F OLED TV

The LG C6 is the better TV for most people: a brighter, more feature-rich OLED with a newer processor, four speakers, and full gaming support. The Samsung S84F's main advantage is size, at 77 inches versus 65, which matters more in a large room than any spec. Reviewers consistently praise LG's C-series for picture accuracy and gaming features, while Samsung's S84F is a solid but plainer OLED with weaker sound.

  • Choose the LG C6 if you sit within about 8 to 10 feet, game on a console or PC, and want the best picture and sound for the size.
  • Choose the Samsung S84F if your room is large and viewing distance is long, and screen size matters more to you than extra features.

Prices

  • LG C6 Series OLED TV (65"): $1,186.00 at Greentoe (checked today)
  • Samsung 77-Inch S84F OLED TV: $1,397.99 at Abt Electronics (last seen Nov 9)
  • Difference: the LG C6 Series OLED TV (65") is $211.99 cheaper than the Samsung 77-Inch S84F OLED TV at the latest prices (Nov 9 and Nov 10)
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)
$1,186.00at GreentoeChecked 18 min ago
See all prices and details
Visit Greentoe
Pros
  • Excellent contrast and true blacks from OLED
  • Strong gaming features with low response time and high refresh
  • Better built-in sound with four speakers and a 2.2 channel setup
  • webOS is fast and supports all three major voice assistants
Cons
  • Smaller screen than the Samsung
  • OLED panels can dim over long static images
  • Peak brightness is limited in bright rooms
Samsung
Samsung 77-Inch S84F OLED TV

Samsung 77-Inch S84F OLED TV

$1,397.99at Abt ElectronicsChecked Nov 9
See all prices and details
Visit Abt Electronics

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

Pros
  • Larger 77-inch screen for big rooms
  • Anti-reflection coating helps in bright spaces
  • Clean Tizen interface with plenty of apps
  • Four HDMI inputs
Cons
  • Only 2-channel audio, so a soundbar is likely needed
  • Older Wi-Fi 5 wireless
  • Fewer gaming extras than the LG

What separates them

LG C6 Series OLED TV (65")Samsung 77-Inch S84F OLED TV
Screen size65 inches77 inches
PanelOLED, self-emissive, pixel-level dimmingOLED with anti-reflection coating
Picture processorAlpha 11 AI Gen3NQ4 AI Gen2
Refresh rate120Hz native, marketed up to 165Hz120Hz
Speakers2.2-channel, 4 speakers2-channel
Smart platformwebOS 26 with Google Assistant, Alexa and SiriTizen
WirelessWi-Fi and BluetoothWi-Fi 5 and Bluetooth 5.3
HDMI inputs44

Price history

$1,399.99$899.99
Nov 4Nov 11
  • LG C6 Series OLED TV (65"): lowest $899.99 on Nov 10 at Best Buy; $1,186.00 on Nov 11.
  • Samsung 77-Inch S84F OLED TV: lowest $1,397.99 on Nov 9 at Abt Electronics.

Prices at every store

LG C6 Series OLED TV (65")

  • GreentoeNew

    In stock

    $1,186.00Free shippingChecked 18 min ago
    Visit Greentoe
  • WalmartNew

    In stock

    $1,399.99Free shippingChecked 18 min ago
    Visit Walmart
  • Abt Electronics & AppliancesNew

    In stock

    $1,399.99Free shippingChecked 18 min ago
    Visit Abt Electronics & Appliances
  • Best BuyNew

    Availability unknown

    $1,399.99Free shippingChecked 18 min ago
    Visit Best Buy

Also available at

  • Abt ElectronicsCheck price at Abt Electronics
  • WalmartCheck price at Walmart
  • NeweggCheck price at Newegg
All 19 stores and price history →

Samsung 77-Inch S84F OLED TV

  • Abt ElectronicsNew

    In stock

    $1,397.99+ $249.00 shippingChecked Nov 9
    Visit Abt Electronics
  • AmazonNew

    Availability unknown

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

    $1,674.33Free shippingChecked Nov 9
    Visit Amazon

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

All 2 stores and price history →

Specs compared

SpecLG C6 Series OLED TV (65")Samsung 77-Inch S84F OLED TV
screen_size65 in77"
USB ports22x USB-A (Unspecified Version)
Resolution3840 x 21604K (3,840 x 2,160)
HDRYesOLED HDR
Refresh Rate120 Hz120Hz
Operating SystemwebOSTizen™ Smart TV
WirelessWi-Fi 5 (802.11ac) / Bluetooth 5.3Wi-Fi 5 (802.11ac) / Bluetooth 5.3
colorBlack—
Panel typeOLED—
Native resolution3840 x 2160—
Native refresh rate120Hz—
Response time0.1ms—
Show all 40 specsShow fewer specs
SpecLG C6 Series OLED TV (65")Samsung 77-Inch S84F OLED TV
Smart platformwebOS 26—
Picture processorAlpha 11 AI processor Gen3—
Speaker system2.2-channel—
HDMI ports4—
Weight without stand36.60 lbs. (16.60 kg)—
Weight with stand40.60 lbs. (18.42 kg)—
High DefinitionYes—
HDTV Format4K—
Screen FormFlat—
Display Type

What reviewers say

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.
  • SoundCriticisedThe 2.2-channel speakers are called thin, and many buyers add a soundbar.

Samsung 77-Inch S84F OLED TV

Owners rate the S84F as a strong value OLED with excellent contrast and a clean, glare-resistant screen. Most criticism centers on the weak built-in sound and the lack of Dolby Vision.

What people mention
  • Picture qualityPraisedOwners describe deep blacks, natural colors and good shadow detail for an entry OLED.
  • Glare handlingPraisedThe anti-reflection coating is repeatedly called out as effective against windows and lamps.
  • SoundCriticisedReviewers say the 2-channel speakers are thin and recommend a soundbar.
  • BrightnessMixedFine for most rooms, but HDR highlights look dimmer than on Samsung's QD-OLED sets.

Questions and answers

Which is better for gaming?
The LG C6. It has a faster processor, a 0.1ms response time, and gaming features LG is known for. The Samsung S84F is fine at 120Hz but has fewer gaming tools.
Is the bigger Samsung worth stepping up to?
If you sit more than about 10 feet away, yes. The extra 12 inches of screen makes a bigger difference at that distance than the LG's feature edge.
Which has better sound?
The LG C6. It has four speakers in a 2.2-channel setup. The Samsung S84F has two channels, so most owners add a soundbar.
Which lasts longer?
Both use OLED panels with similar lifespans. LG's C-series has a long track record, and Samsung's OLEDs are also reliable. Neither has a clear durability edge.
Which is better in a bright room?
The Samsung S84F has an anti-reflection coating that helps with glare. The LG C6 handles reflections less well but still delivers deeper blacks.
Do both support the main streaming apps?
Yes. Both run full smart platforms with Netflix, Prime Video, Disney+ and YouTube, plus the major voice assistants on the LG.

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Buying guides that pick them

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OLED
—
Assistant SupportGoogle Assistant, Amazon Alexa, Siri—
ConnectivityBluetooth, Wi-Fi, RF, USB, HDMI, Ethernet, Opti…—
Supported Streaming ServicesNetflix, Prime Video, YouTube, HBO, Disney+—
Width48.1 in wide—
Depth1.8 in deep—
Weight36.6 lb, 45 lb, 47 lb—
Number of USB Ports2—
Number of Speakers4—
Backlight TypeSelf emissive—
VESA Standard300 x 200—
TypeFlat screen Ultra HDTV—
Series NameC6—
Actual TV Size (Inches)65.1—
Common TV Size65-in—
Actual Height without Stand (Inches)32.5—
Actual Width without Stand (Inches)56.7—
Actual Depth without Stand (Inches)1.8—
Actual Weight without Stand (lbs.)36.6—
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