TCRThe Comparison Report

Streaming Devices / onn. 4K Pro (2026) vs Roku Ultra (2024)

onn. 4K Pro (2026) vs Roku Ultra (2024)

Best Overall

onn. 4K Pro (2026)

The price-to-performance leader — but Walmart-exclusive, so not buyable on Amazon.

Wins overall by 0.4 points

Not available on US Amazon

Quick Verdict

The onn. 4K Pro (2026) takes this by a clear 0.4 points. The price-to-performance leader — but Walmart-exclusive, so not buyable on Amazon. The Roku Ultra (2024) only makes sense if it wins on a category you care about more than the total.

The onn. 4K Pro (2026) and Roku Ultra (2024) are both closely matched streaming Device models, and the onn. 4K Pro (2026) is $90 cheaper than the Roku Ultra (2024) ($59.98 vs $149.99). On Value, the onn. 4K Pro (2026) leads (9.5 vs 6.0/10) — features and performance relative to price. On Smart Home, the onn. 4K Pro (2026) leads (8.5 vs 5.5/10) — matter, Thread, and built-in voice assistant capability. On Video Quality, the Roku Ultra (2024) leads (9.0 vs 8.0/10) — maximum resolution and which HDR formats are supported. Overall, the onn. 4K Pro (2026) scores 8.3/10 across our 8 scoring categories versus 7.9/10 for the Roku Ultra (2024). Below, we break down the full spec sheet, category-by-category scores, and exactly who should buy which one.

Side-by-Side Comparison

Speconn. 4K Pro (2026)Roku Ultra (2024)
Price$59.98$149.99
Release Year20262024
Max Resolution4K UHD (3840x2160); Walmart does not publish a frame-rate ceiling for this model4K (3840x2160) at 60fps
HDR FormatsDolby Vision confirmed; HDR10 and HLG not separately confirmed for this SKUDolby Vision, HDR10, HDR10+, HLG
Dolby VisionYesYes
Dolby AtmosYesYes
ProcessorAmlogic S905X5M (reported; Walmart does not publish the chipset)Quad-core ARM Cortex-A55; Roku claims over 30% faster than its other players
RAM (GB)32
Storage (GB)32Not published by Roku
Wi-FiWi-Fi 6Wi-Fi 6 (802.11ax) dual-band MIMO
EthernetBuilt in, but capped at 100 MbpsBuilt in (10/100)
BluetoothPresent; version not publishedYes — supports headphone mode
Operating SystemGoogle TV with GeminiRoku OS 15
RemoteBacklit buttons, Find My Remote, customizable star button, hands-free voice with mic muteVoice Remote Pro: USB-C rechargeable, backlit, hands-free voice, lost-remote finder; no headphone jack
Warranty12 months12 months
ColorsBlackBlack

Category Scores

Speed & PerformanceProcessor, RAM, and how quickly menus and apps respond
onn. 4K Pro (2026)
8.0
Roku Ultra (2024)
8.5
Video QualityMaximum resolution and which HDR formats are supported
onn. 4K Pro (2026)
8.0
Roku Ultra (2024)
9.0
Audio SupportDolby Atmos and DTS handling, and whether audio is decoded or only passed through
onn. 4K Pro (2026)
8.0
Roku Ultra (2024)
8.5
Platform & AppsOperating system, app catalogue, and how advertising-led the interface is
onn. 4K Pro (2026)
8.5
Roku Ultra (2024)
8.5
ConnectivityWi-Fi standard, ethernet, Bluetooth, and expansion ports
onn. 4K Pro (2026)
7.0
Roku Ultra (2024)
8.0
RemoteVoice control, backlighting, rechargeability, and remote-finder features
onn. 4K Pro (2026)
8.5
Roku Ultra (2024)
9.0
Smart HomeMatter, Thread, and built-in voice assistant capability
onn. 4K Pro (2026)
8.5
Roku Ultra (2024)
5.5
ValueFeatures and performance relative to price
onn. 4K Pro (2026)
9.5
Roku Ultra (2024)
6.0
Speed & PerformanceVideo QualityAudio SupportPlatform & AppsConnectivityRemoteSmart HomeValue
onn. 4K Pro (2026) Roku Ultra (2024)

Speed & Performance

The Roku Ultra (2024) leads clearly here, 8.5 against 8.0 — a 0.5-point margin on processor, RAM, and how quickly menus and apps respond. If that is what you are buying for, the onn. 4K Pro (2026) does not close the gap elsewhere.

Video Quality

The Roku Ultra (2024) leads clearly here, 9.0 against 8.0 — a 1.0-point margin on maximum resolution and which HDR formats are supported. If that is what you are buying for, the onn. 4K Pro (2026) does not close the gap elsewhere.

Audio Support

The Roku Ultra (2024) leads clearly here, 8.5 against 8.0 — a 0.5-point margin on dolby Atmos and DTS handling, and whether audio is decoded or only passed through. If that is what you are buying for, the onn. 4K Pro (2026) does not close the gap elsewhere.

Platform & Apps

The onn. 4K Pro (2026) and Roku Ultra (2024) are level here, at 8.5/10 each. operating system, app catalogue, and how advertising-led the interface is is not what separates these two — look to the categories where the scores diverge.

Connectivity

The Roku Ultra (2024) leads clearly here, 8.0 against 7.0 — a 1.0-point margin on Wi-Fi standard, ethernet, Bluetooth, and expansion ports. If that is what you are buying for, the onn. 4K Pro (2026) does not close the gap elsewhere.

Remote

The Roku Ultra (2024) leads clearly here, 9.0 against 8.5 — a 0.5-point margin on voice control, backlighting, rechargeability, and remote-finder features. If that is what you are buying for, the onn. 4K Pro (2026) does not close the gap elsewhere.

Smart Home

The onn. 4K Pro (2026) leads clearly here, 8.5 against 5.5 — a 3.0-point margin on matter, Thread, and built-in voice assistant capability. If that is what you are buying for, the Roku Ultra (2024) does not close the gap elsewhere.

Value

The onn. 4K Pro (2026) leads clearly here, 9.5 against 6.0 — a 3.5-point margin on features and performance relative to price. If that is what you are buying for, the Roku Ultra (2024) does not close the gap elsewhere.

Best For

Choose the onn. 4K Pro (2026) if…

  • Value matters most to you — the onn. 4K Pro (2026) scores 9.5/10 here (features and performance relative to price).
  • Smart Home matters most to you — the onn. 4K Pro (2026) scores 8.5/10 here (matter, Thread, and built-in voice assistant capability).
  • You want to spend less — it's $90 cheaper.
  • Your main use case is smart-home or budget.
Not available on US Amazon

Choose the Roku Ultra (2024) if…

  • Video Quality matters most to you — the Roku Ultra (2024) scores 9.0/10 here (maximum resolution and which HDR formats are supported).
  • Connectivity matters most to you — the Roku Ultra (2024) scores 8.0/10 here (Wi-Fi standard, ethernet, Bluetooth, and expansion ports).
  • Speed & Performance matters most to you — the Roku Ultra (2024) scores 8.5/10 here (processor, RAM, and how quickly menus and apps respond).
  • Your main use case is gaming.

Pros & Cons

onn. 4K Pro (2026)

Pros

  • +Flagship-tier performance and features for $59.98
  • +Backlit remote with Find My Remote, which costs far more elsewhere
  • +Gemini assistant and Matter-over-Thread support
  • +3GB of RAM and 32GB of storage undercut every rival at the price

Cons

  • Walmart-exclusive — not sold on Amazon by Walmart or onn., so there is no authorised Amazon listing to buy from
  • Ethernet is capped at 100 Mbps, not gigabit
  • USB port downgraded to 2.0 from the previous generation's USB 3.0
  • Chronic stock shortages, with resellers marking it up substantially
  • Walmart does not publish frame-rate, Bluetooth version or full HDR format details for this model

Roku Ultra (2024)

Pros

  • +The best remote of any streaming device here — backlit, rechargeable, hands-free voice and a lost-remote finder
  • +Decodes Dolby Atmos rather than only passing it through
  • +HDMI 2.1 with Quick Media Switching, rare outside Apple TV
  • +Built-in ethernet and a USB 3.0 port for local media
  • +Fastest Roku by a wide margin

Cons

  • Ethernet is 10/100, not gigabit
  • The Voice Remote Pro (2nd edition) dropped the headphone jack the first-gen Pro had
  • List price rose from $99.99 to $149.99 in July 2026
  • No design change since the 2021 Ultra

Shop by Need

FAQs

Is the onn. 4K Pro (2026) or Roku Ultra (2024) better overall?+

Based on our 8-category scoring, the onn. 4K Pro (2026) comes out ahead overall. See the full breakdown in the scores section above — the right pick still depends on which categories matter most for your use case.

Which is better for Value, the onn. 4K Pro (2026) or the Roku Ultra (2024)?+

The onn. 4K Pro (2026) scores higher on Value (9.5/10 vs 6.0/10) — features and performance relative to price.

Which is better for Smart Home, the onn. 4K Pro (2026) or the Roku Ultra (2024)?+

The onn. 4K Pro (2026) scores higher on Smart Home (8.5/10 vs 5.5/10) — matter, Thread, and built-in voice assistant capability.

Which is better for Video Quality, the onn. 4K Pro (2026) or the Roku Ultra (2024)?+

The Roku Ultra (2024) scores higher on Video Quality (9.0/10 vs 8.0/10) — maximum resolution and which HDR formats are supported.

Which is better for Connectivity, the onn. 4K Pro (2026) or the Roku Ultra (2024)?+

The Roku Ultra (2024) scores higher on Connectivity (8.0/10 vs 7.0/10) — Wi-Fi standard, ethernet, Bluetooth, and expansion ports.

Is the onn. 4K Pro (2026) worth the price difference over the Roku Ultra (2024)?+

The onn. 4K Pro (2026) is the cheaper option at $59.98 versus $149.99. Whether the pricier model is "worth it" depends on how much you value its lead in Value.

Which is better suited to my use case?+

The onn. 4K Pro (2026) is the better fit if you mainly care about smart-home or budget. The Roku Ultra (2024) is the better fit for gaming.

What's the warranty on the onn. 4K Pro (2026) vs the Roku Ultra (2024)?+

The onn. 4K Pro (2026) ships with a 12-month warranty; the Roku Ultra (2024) ships with a 12-month warranty. Always confirm current terms on the manufacturer's site before buying.

Should I wait for the next model instead of buying either of these?+

If either model is more than two years old, a successor may be close — check the "Latest Model" link on each product page. Otherwise, both are current, well-supported options and there's no strong reason to wait.

Cheaper Option

Fire TV Cube (3rd Gen) — $139.99

Premium Option

Fire TV Stick 4K Max (2nd Gen) — $59.99

Specifications and prices for both products last verified . Scores are calculated from published specifications — see how we compare products.

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