Which is better for movies?

The Samsung U8000H, mainly for its HDR10+ and HLG support and Samsung's picture processing. The Onn lists HDR but not which formats, so expect a more basic HDR experience.

Is the Samsung worth the extra $42?

For most shoppers, yes. You get HDR10+ and HLG, Tizen with Samsung TV Plus and Gaming Hub, and Bluetooth 5.3 for about $42 more as of November 8, 2026.

Which is better for gaming?

Both are 60 Hz with 3 HDMI ports, so neither suits high-frame-rate console gaming. The Samsung adds Gaming Hub for cloud games without a console.

Which works better with Alexa or Google?

The Onn, which lists Google Assistant and Amazon Alexa support. Samsung's listing does not name either assistant.

Which is lighter to wall-mount?

The Samsung at 6.5 kg without stand (about 14.3 lb). The Onn lists weights up to 49.8 lb, so check the exact figure before mounting.

Do both have 4K and 3 HDMI ports?

Yes. Both are 3840 x 2160 LED sets with a 60 Hz refresh rate and 3 HDMI ports.

Samsung U8000H 65" Crystal UHD 4K TV vs Onn 65-Inch 4K Roku Smart TV

Buy the Samsung U8000H if you want a mainstream 65-inch 4K TV with HDR10+ support, Tizen apps, Samsung TV Plus and Gaming Hub, and you value Samsung's durability reputation. Buy the Onn 65-inch Roku TV if the lowest price matters most and you are happy with Roku's simple interface and basic HDR. The gap is small: $299.99 at Samsung versus $258.00 at Walmart as of November 8, 2026, about $42.

Today the Onn 65-Inch 4K Roku Smart TV costs $41.99 less at its best price.

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