Our take on the Onn 100012588 70" 4K Ultra HDR Smart LED Roku TV

The Onn 70-inch 4K Ultra HDR Smart LED TV is a budget large-screen set built on the Roku smart platform. It covers the basics a big-screen buyer wants: 4K resolution, HDR playback and the full Roku streaming interface with its simple remote and app library. It suits shoppers who want the largest screen for the least money and stream most of their content. Against name-brand 70-inch sets it gives up brightness, contrast and motion handling, and its panel is basic LED rather than full-array local dimming.

Best forBudget buyers wanting the biggest screenStreaming-first householdsLiving rooms and game roomsRoku users who want one interface

Pros

Large 70-inch 4K screen
HDR support for streaming apps
Roku platform with a broad app library
Simple remote and setup
Built-in smart features, no streaming stick needed

Cons

Basic LED panel without local dimming

Questions and answers

Is this TV good for streaming?

Yes. It runs the Roku platform, so Netflix, YouTube, Disney+ and most major apps are built in. You do not need a separate streaming stick.

Does it support HDR?

It accepts HDR content, but the panel's modest brightness limits the visible benefit. Expect a small improvement, not a dramatic one.

How does it compare with name-brand 70-inch TVs?

It undercuts them on features like local dimming, peak brightness and motion processing. The trade-off is picture quality, not screen size.

Is the built-in sound good enough?

It is fine for casual viewing, but a soundbar improves dialogue and bass noticeably on a screen this size.

What is in the box?

The TV, a Roku remote, and the stand legs with hardware. A wall mount and cables are sold separately.

Does it need a streaming device?

No. The Roku software is built in, so the TV connects to Wi-Fi and streams on its own.

Onn 100012588 70" 4K Ultra HDR Smart LED Roku TV

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Our take on the Onn 100012588 70" 4K Ultra HDR Smart LED Roku TV

Best forBudget buyers wanting the biggest screenStreaming-first householdsLiving rooms and game roomsRoku users who want one interface

Pros

Large 70-inch 4K screen
HDR support for streaming apps
Roku platform with a broad app library
Simple remote and setup
Built-in smart features, no streaming stick needed

Cons

Basic LED panel without local dimming

Onn 100012588 70" 4K Ultra HDR Smart LED Roku TV prices at every store

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About the Onn 100012588 70" 4K Ultra HDR Smart LED Roku TV

This Onn 70-inch smart TV has a 4K Ultra HD LED display with HDR support. It runs on the Roku platform, which provides streaming and smart features.

Screen size: 70 inches
Resolution: 4K Ultra HD
HDR: Supported
Display type: LED
Smart platform: Roku
Model: 100012588

Questions and answers

Is this TV good for streaming?: Yes. It runs the Roku platform, so Netflix, YouTube, Disney+ and most major apps are built in. You do not need a separate streaming stick.
Does it support HDR?: It accepts HDR content, but the panel's modest brightness limits the visible benefit. Expect a small improvement, not a dramatic one.
How does it compare with name-brand 70-inch TVs?: It undercuts them on features like local dimming, peak brightness and motion processing. The trade-off is picture quality, not screen size.
Is the built-in sound good enough?: It is fine for casual viewing, but a soundbar improves dialogue and bass noticeably on a screen this size.
What is in the box?: The TV, a Roku remote, and the stand legs with hardware. A wall mount and cables are sold separately.
Does it need a streaming device?: No. The Roku software is built in, so the TV connects to Wi-Fi and streams on its own.