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onn 75" 4K Smart TV (VIZIO) vs Insignia 75-Inch 4K Fire TV

Both are 75-inch 4K LCD sets at 60 Hz, so the picture basics are close. The onn runs VIZIO OS with Dolby Vision, HDR10+, HDR10 and HLG, plus DTS:X audio and Apple Home, Alexa and Google Home support; the Insignia runs Fire TV with HDR10 only, DTS Studio Sound and Alexa. Owners rate the onn well across thousands of ratings, while the Insignia's Fire TV integration and Alexa remote are its draw. Buy the onn for the wider HDR and voice-assistant support; buy the Insignia if you are already deep in the Amazon ecosystem.

  • Choose the onn if you want the broadest HDR support, DTS:X sound and a choice of Alexa, Google or Apple smart home control.
  • Choose the Insignia if Fire TV is your platform and you want Alexa built into the remote with tight Amazon integration.

Prices

  • onn 75" 4K Smart TV (VIZIO): $393.00 at eBay (checked today)
  • Insignia 75-Inch 4K Fire TV: $340.08 at eBay (checked today)
  • Difference: the Insignia 75-Inch 4K Fire TV is $52.92 cheaper than the onn 75" 4K Smart TV (VIZIO) today
onn
onn 75 in Class 4K UHD Smart Television Powered by VIZIO, 75S4V4

onn 75" 4K Smart TV (VIZIO)

onn 75 in Class 4K UHD Smart Television Powered by VIZIO, 75S4V4

4.3(6,492 ratings)
$393.00at eBayChecked 11 h ago
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Pros
  • Dolby Vision and HDR10+ give better contrast on supported streaming content
  • DTS:X and DTS Virtual:X improve built-in sound
  • Works with Alexa, Google Assistant and Apple Home
  • Three HDMI ports plus composite and USB inputs
  • Large base of owner ratings
Cons
  • 60 Hz panel limits smoothness for fast games
  • Direct-lit LCD, not full-array local dimming
  • VIZIO OS app selection differs from Fire TV
Insignia
Insignia 75-Inch 4K Fire TV

Insignia 75-Inch 4K Fire TV

$340.08at eBayChecked 6 h ago
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Visit eBay

Store links may earn us a commission.

Pros
  • Fire TV interface with strong Amazon integration
  • Alexa Voice Remote for hands-free search
  • Wide viewing angle
  • VESA 400 x 300 mount pattern matches common brackets
  • Simple setup for Prime Video and Amazon households
Cons
  • HDR10 only, no Dolby Vision or HDR10+
  • DTS Studio Sound is a step below DTS:X
  • Fewer owner ratings to judge long-term reliability
  • Alexa is the only voice assistant

What separates them

onn 75" 4K Smart TV (VIZIO)Insignia 75-Inch 4K Fire TV
Smart platformVIZIO OS with Netflix, Roku and live channel browsingFire TV with Netflix and Hulu and heavy Amazon integration
HDR formatsDolby Vision, HDR10+, HDR10 and HLGHDR10 only
Audio processingDTS:X and DTS Virtual:XDTS Studio Sound
Voice assistantsAlexa and Google Assistant, plus Apple Home, Amazon Alexa and Google Home smart homeAlexa via the Voice Remote
Refresh rate60 Hz60 Hz
HDMI inputs3 HDMI plus composite and USB3 HDMI
Wall mountVESA 400 x 300VESA 400 x 300
Owner feedback4.3 out of 5 from 6,492 ratingsFewer owner ratings to draw on

Price history

$399.99$245.00
Nov 3Nov 10
  • onn 75" 4K Smart TV (VIZIO): lowest $245.00 on Nov 9 at Walmart; $393.00 on Nov 10.
  • Insignia 75-Inch 4K Fire TV: lowest $399.99 on Nov 10 at Best Buy.

Prices at every store

onn 75" 4K Smart TV (VIZIO)

  • eBayNew

    In stockSold by vipoutlet

    $393.00Free shippingChecked 11 h ago
    Visit eBay
  • WalmartNew

    In stock

    $398.00Checked 7 h ago
    Visit Walmart
  • WalmartNew

    Out of stock

    $245.00Free shippingChecked Nov 9
    Visit Walmart

Store links may earn us a commission.

All 2 stores and price history →

Insignia 75-Inch 4K Fire TV

  • Best BuyNew

    In stock

    $399.99Free shippingChecked 6 h ago
    Visit Best Buy
  • Wise Furniture CompanyNew

    In stock

    $549.95Checked 7 h ago
    Visit Wise Furniture Company
  • eBayNew

    Availability unknownSold by kaboda_distribution (99.4% positive, 315 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $340.08Free shippingChecked 6 h ago
    Visit eBay
  • AmazonNew

    Availability unknown

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

    $399.99Free shippingChecked 7 h ago
    Visit Amazon

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

All 4 stores and price history →

Specs compared

Speconn 75" 4K Smart TV (VIZIO)Insignia 75-Inch 4K Fire TV
screen_size75 in50-inch
Resolution4K UHD4K
Display typeLCDLED
Refresh rate60 Hz60 Hz
HDMI ports3 HDMI3
Smart platformVIZIO OSFire TV
High DefinitionYesYes
HDTV Format4K4K UHD
Screen FormFlatFlat
Assistant SupportGoogle Assistant, Amazon AlexaAlexa
Network FunctionalitySmart TVSmart TV
Smart TVYesYes
Show all 40 specsShow fewer specs
Speconn 75" 4K Smart TV (VIZIO)Insignia 75-Inch 4K Fire TV
Internet Streaming ServicesNetflix, RokuNetflix, Hulu
Network ConnectivityLANEthernet, Wi-Fi
Video InterfaceHDMI, Composite, USBHDMI
Supported Resolutions3840 x 21604K
Backlight TechnologyLEDLED
Display HighlightsHDR10HDR
Display Aspect Ratio16:94:3 (Stretch disabled)
Viewing AngleWide View AngleWide
Stand And MountStand includedIncluded (plastic feet)

What reviewers say

onn 75" 4K Smart TV (VIZIO)

  • 4.3 / 56,492 ratings

With a 4.3 average across roughly 6,500 ratings, owners mostly see this set as a lot of screen for the money. Complaints tend to focus on picture quality limits and the panel's basic backlight rather than on setup.

What people mention
  • ValuePraisedOwners say the size-to-price ratio is the main reason to buy it.
  • Picture qualityMixedFine for everyday viewing, but HDR highlights and black levels fall short of pricier sets.
  • SoundCriticisedBuilt-in speakers are described as thin, with a soundbar recommended.
  • SetupPraisedVIZIO OS and Wi-Fi setup are reported as quick and easy.

Insignia 75-Inch 4K Fire TV

Owner feedback on Insignia Fire TV sets is mixed. People like the screen size for the money and the familiar Fire TV interface, but many complain about picture uniformity, motion blur and sound quality.

What people mention
  • Picture qualityMixedOwners find the 4K picture fine for streaming but note weak blacks and uneven backlighting in dark scenes.
  • MotionCriticisedThe 60 Hz panel shows blur on fast sports and action, which some viewers find distracting.
  • SoundCriticisedBuilt-in speakers are thin, and many owners add a soundbar.
  • SetupPraisedFire TV setup and the Alexa voice remote are quick and familiar to use.
Reviews
  • A Jumbo Deal: Save $250 on This Gigantic 75-Inch Insignia 4K Fire TV

Questions and answers

Which has better picture quality?
Both are 60 Hz LCD panels, so motion handling is similar. The onn has the edge on HDR because it supports Dolby Vision and HDR10+, which many streaming shows use, while the Insignia tops out at HDR10.
Which is better for gaming?
Neither is a gaming set. Both run at 60 Hz with no variable refresh rate or high-frame-rate HDMI listed, so fast shooters will look similar on either. The onn adds a game mode and more input options.
Which smart platform is easier to use?
Fire TV on the Insignia is familiar if you use Amazon services and Alexa. VIZIO OS on the onn is simple and puts live channels and apps on one screen. Pick the platform you already know.
Which lasts longer?
There is no reliable long-term data separating them. The onn has far more owner ratings, which gives a better sense of real-world experience. Both are budget LCD sets, so a warranty and a surge protector matter more than brand.
Is the onn worth stepping up to over the Insignia?
If Dolby Vision, DTS:X sound and Google or Apple smart home control matter to you, yes. If you mainly watch Prime Video and want Alexa in the remote, the Insignia covers that without the extra features.
Do both mount the same way?
Yes. Both use a VESA 400 x 300 pattern, so the same wall bracket fits either. The Insignia includes plastic feet for stand use; check that your stand is wide enough for a 75-inch set.

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Buying guides that pick them

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Design HighlightsLow-profile, frameless bezelNetwork and Multimedia Functionality, Wall moun…
Mount Interface300 x 200 mmVESA 400x300
colorBlack—
Actual diagonal74.5 in—
VESA pattern400 x 300—
HDR formatsDolby Vision HDR, HDR10+, HDR10, HLG—
Audio formatsDTS:X, DTS Virtual:X—
Smart homeApple Home, Amazon Alexa, and Google Home—
HDRYes—
ConnectivityWi-Fi, HDMI—
Supported Streaming ServicesNetflix—
Depth2.9 in deep—
Screen Resolution3840x2160 (4K Ultra HD)—
Wi-FiYes—
PC InterfaceUSB, Bluetooth, Ethernet, HDMI—
Anti-GlareYes—
Image Contrast Ratio5000:1—
Viewing Angle (Vertical)150 o—
Contrast Ratio5000:1—
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