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Samsung Q8F QLED 4K TV (65") vs TCL S4 65" 4K Roku TV

The Samsung Q8F is the better TV: a QLED panel with full-array local dimming and a 120Hz panel give it deeper blacks, brighter highlights and smoother motion than the TCL S4's edge-lit 60Hz LED panel. The TCL S4 wins on simplicity and value, with the Roku interface most people find easier than Tizen and a huge owner base reporting it just works. Buy the Samsung if picture quality matters and you watch movies, sports or games in a bright room; buy the TCL if you want a big 4K screen for casual streaming and prefer Roku.

  • Choose the Samsung Q8F if you want the best picture of the two, with local dimming, high brightness and 120Hz motion for sports and gaming.
  • Choose the TCL S4 if you want a straightforward 65-inch 4K TV with the easy Roku interface and broad voice-assistant support.

Prices

  • Samsung Q8F QLED 4K TV (65"): $809.99 at Best Buy (checked today)
  • TCL S4 65" 4K Roku TV: $338.00 at Walmart (checked today)
  • Difference: the TCL S4 65" 4K Roku TV is $471.99 cheaper than the Samsung Q8F QLED 4K TV (65") today
Samsung
Samsung 65 inch Class Q8F Series QLED 4K UHD Smart Tizen TV

Samsung Q8F QLED 4K TV (65")

Samsung 65 inch Class Q8F Series QLED 4K UHD Smart Tizen TV

4.6(1,800 ratings)
$809.99at Best BuyChecked 53 min ago
See all prices and details
Visit Best Buy

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

Pros
  • Full-array local dimming gives real black levels
  • 120Hz panel smooths sports and fast games
  • High brightness holds up in bright rooms
  • Tizen has a wide app selection and free live TV
Cons
  • Tizen menus are busier than Roku
  • Fewer owner ratings to draw on
  • Blooming around bright objects on dark scenes is still possible
TCL
TCL 65" Class S4 4K UHD HDR Smart TV with Roku TV

TCL S4 65" 4K Roku TV

TCL 65" Class S4 4K UHD HDR Smart TV with Roku TV

4.3(45,653 ratings)
$338.00at WalmartChecked 1 h ago
See all prices and details
Visit Walmart
Pros
  • Roku interface is fast to learn and hard to get lost in
  • Works with Alexa, Google Assistant and Siri, plus AirPlay
  • Simple remote with one-touch app buttons
  • Very large owner base with consistent satisfaction
Cons
  • No local dimming, so blacks look gray in dark rooms
  • 60Hz only, weaker for sports and gaming
  • Average brightness limits HDR impact

What separates them

Samsung Q8F QLED 4K TV (65")TCL S4 65" 4K Roku TV
Panel technologyQLED with quantum dots and full-array local dimmingStandard LED, edge-lit, no local dimming
Refresh rate120Hz native, better for sports and consoles60Hz
HDR performanceHigh brightness with strong highlight detailHDR supported but limited peak brightness and no dimming zones
Smart platformTizen with Samsung Vision AI and free live channelsRoku TV, simple home screen and short remote
Voice assistantsBixby and Alexa built inWorks with Google Assistant, Alexa and Siri, plus AirPlay
Gaming featuresHDMI 2.1, higher refresh, gaming modeBasic 60Hz, no VRR or advanced gaming features
Owner feedback4.6 from about 1,800 ratings4.3 from over 45,000 ratings
Design and buildSlimmer bezel, premium finishFunctional plastic build, light at 30.9 lb

Price history

$679.99$329.99
Nov 7Nov 11
  • Samsung Q8F QLED 4K TV (65"): lowest $679.99 on Nov 7 at Quill; $679.99 on Nov 11.
  • TCL S4 65" 4K Roku TV: lowest $329.99 on Nov 9 at RC Willey; $338.00 on Nov 11.

Prices at every store

Samsung Q8F QLED 4K TV (65")

  • Best BuyNew

    In stock

    $809.99Free shippingChecked 53 min ago
    Visit Best Buy
  • NeweggNew

    In stock

    $947.42Free shippingChecked 53 min ago
    Visit Newegg
  • QuillNew

    Out of stock

    $679.99Free shippingChecked 53 min ago
    Visit Quill
  • WalmartNew

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

    $947.42Checked 59 min ago
    Visit Walmart

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

All 4 stores and price history →

TCL S4 65" 4K Roku TV

  • WalmartNew

    In stock

    $338.00Free shippingChecked 1 h ago
    Visit Walmart
  • Jester's Junquetronics EmporiumNew

    In stockReturn policy

    $418.45Checked Nov 9
    Visit Jester's Junquetronics Emporium
  • AlicorneNew

    In stockReturn policy

    $418.45Checked Nov 9
    Visit Alicorne
  • The TV OutletNew

    Availability unknown

    $378.00Checked Nov 9
    Visit The TV Outlet

Also available at

  • WalmartCheck price at Walmart
All 8 stores and price history →

Specs compared

SpecSamsung Q8F QLED 4K TV (65")TCL S4 65" 4K Roku TV
screen_size65 in65 in
colorBlackBlack
Screen Resolution3840x2160 (4K Ultra HD)3840x2160 (4K Ultra HD)
Smart TVYesYes
HDRYesYes
Release Year2025—
Operating SystemTizen—
DisplayQLED—
size—65"
Resolution—3840 x 2160
High Definition—Yes
HDTV Format—4K
Show all 40 specsShow fewer specs
SpecSamsung Q8F QLED 4K TV (65")TCL S4 65" 4K Roku TV
Screen Form—Flat
Display Type—LED
Assistant Support—Google Assistant, Amazon Alexa, Siri
Refresh Rate—60 Hz
Connectivity—Wi-Fi, RF, USB, HDMI, Ethernet, Optical Audio
Supported Streaming Services—Hulu, Netflix, HBO, Disney+, Roku
With V-Chip—Yes
Country Of Manufacture—China
Width—57.1 in wide
Depth

What reviewers say

Samsung Q8F QLED 4K TV (65")

  • 4.6 / 51,800 ratings

Rated 4.6 out of 5 from about 1,800 ratings, the Q8F is well liked for its picture and value. Owners praise color and brightness and the easy Tizen interface. Complaints center on black levels in dark rooms and sound quality.

What people mention
  • Picture qualityPraisedOwners say colors are vivid and the picture is bright enough for daytime rooms.
  • Black levelsCriticisedViewers report grayish blacks and light bleed around bright objects in dark scenes.
  • SoundCriticisedBuilt-in speakers are called thin, and many buyers add a soundbar.
  • SetupPraisedSetup and Tizen navigation are described as quick and easy.

TCL S4 65" 4K Roku TV

  • 4.3 / 545,653 ratings

With over 45,000 ratings averaging 4.3 out of 5, owners mostly treat the S4 as good value for the size. Praise centers on the Roku interface and easy setup; complaints tend to be about picture quality limits and sound.

What people mention
  • ValuePraisedOwners say the size and features are hard to beat for the money.
  • Roku interfacePraisedReviewers like the simple home screen and quick access to apps.
  • SetupPraisedBuyers describe getting it running as quick and straightforward.
  • Picture qualityMixed

Questions and answers

Which is better for watching sports?
The Samsung Q8F. Its 120Hz panel and motion handling keep fast action cleaner than the TCL S4's 60Hz panel.
Which has better picture quality in a dark room?
The Samsung. Full-array local dimming lets it dim dark areas, while the TCL S4 has no dimming and blacks look washed out.
Is the Roku interface easier than Tizen?
Most people find Roku simpler. Tizen offers more features and Samsung-specific extras but takes more navigating.
Which lasts longer?
Both are built to similar TV lifespans. The TCL has a much larger owner base with years of feedback, while the Samsung is newer with fewer long-term reports.
Is the Samsung worth stepping up to over the TCL?
Yes if you care about contrast, brightness and smooth motion. If you mainly stream casually, the TCL covers the basics.
Which is better for gaming?
The Samsung. It has a 120Hz panel and HDMI 2.1 features; the TCL S4 is limited to 60Hz with no VRR.

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More comparisons

  • Samsung 65 inch Class Q8F Series QLED 4K UHD Smart Tizen TV vs Roku Smart TV 2026 – 65-Inch Select Series, 4K QLED TV – Roku TV with Voice Remote – Flat Screen QLED TV
  • Samsung 65” Class U8000H Series Crystal UHD 4K UHD Samsung Vision AI Companion Smart Tizen TV 2026 vs Samsung 65 inch Class Q8F Series QLED 4K UHD Smart Tizen TV
  • TCL 65" Class S4 4K UHD HDR Smart TV with Roku TV vs Roku Smart TV 2026 – 65-Inch Select Series, 4K QLED TV – Roku TV with Voice Remote – Flat Screen QLED TV
  • Samsung 65” Class U8000H Series Crystal UHD 4K UHD Samsung Vision AI Companion Smart Tizen TV 2026 vs TCL 65" Class S4 4K UHD HDR Smart TV with Roku TV

Buying guides that pick them

  • Best 4K smart TVs for living rooms
  • Best 65-inch smart TVs
  • Best 65-inch Roku TVs
—
3.2 in deep
Weight—30.9 lb
HDMI Ports—4 HDMI ports
Connections—Optical S/PDIF, HDMI, RJ45 (LAN), Composite
Bluetooth—No
Height (without legs) (")—32.8
Image Enhancement—No
Height (including legs) (")—34.8
USB Version—USB 2.0 (480Mbps)
NFC—No
Wireless & Streaming—AirPlay
Surround Sound Formats—Dolby Digital Plus
Local dimming—No
Smart Home System—Apple HomeKit, Amazon Alexa
No. of HDMI (pcs)—4
MHL—No
Ambilight—No
No. of Composite (pcs)—1
HFR—No
Fine for everyday viewing, but brightness and contrast fall short of better sets.