Roku Plus Series 55" vs Samsung QN85C 65" (4K Neo QLED)
The Verdict
Roku Plus Series 55" and Samsung QN85C 65" occupy entirely different market tiers. Samsung's QN85C dominates with a larger 65-inch display, Mini-LED technology delivering 1200 nits brightness compared to Roku's 700 nits, and 120Hz refresh rate versus 60Hz. The Samsung's 9ms input lag crushes the Roku's 13ms for gaming, and it includes full VRR support for smoother gameplay. Audio outputs 60 watts through Object Tracking Sound speakers versus Roku's modest 20-watt 2.0 setup. Build quality reflects the price difference: Samsung weighs 45.9 lbs with a premium 1-inch bezel design, while Roku is lighter at 26.5 lbs. However, Roku Plus Series excels in value and software simplicity. At just $399, it delivers 4K resolution, QLED panel tech, Dolby Vision, and intuitive Roku OS with broad voice assistant support. Samsung demands nearly 3.5x more investment at $1,399. For budget-conscious viewers seeking solid 4K picture and streaming convenience, Roku wins decisively on value. Serious gamers, sports enthusiasts, and those prioritizing premium picture quality with Mini-LED precision should choose Samsung. The decision hinges on budget constraints rather than objective superiority.
Who Should Buy
Buy the Roku Plus Series 55" if…
- →Roku OS is the simplest, cleanest smart TV platform available
- →Dolby Vision, HDR10+, AND Dolby Atmos decoding — unusual at $399
- →Works with every voice assistant: Alexa, Google, Siri (via AirPlay)
Buy the Samsung QN85C 65" (4K Neo QLED) if…
- →65-inch Mini-LED at $1,399 offers strong price-to-performance
- →Wide viewing angles suit open floor plan living rooms
- →Full HDMI 2.1 suite with VRR and ALLM for gaming
Category Scores
Pros & Cons
Roku Plus Series 55"
Pros
- Roku OS is the simplest, cleanest smart TV platform available
- Dolby Vision, HDR10+, AND Dolby Atmos decoding — unusual at $399
- Works with every voice assistant: Alexa, Google, Siri (via AirPlay)
- Wi-Fi 6 for reliable 4K streaming
- QLED color enhancement is visible versus basic LED panels
Cons
- 60Hz panel — no 120Hz or gaming features
- 700-nit brightness is okay but not impressive for HDR highlights
- Roku's ad-supported free channels are prominently pushed in the UI
- No VRR for next-gen console gaming
Samsung QN85C 65" (4K Neo QLED)
Pros
- 65-inch Mini-LED at $1,399 offers strong price-to-performance
- Wide viewing angles suit open floor plan living rooms
- Full HDMI 2.1 suite with VRR and ALLM for gaming
- Slim bezel and 1-inch depth for clean wall mounting
- Neural Quantum Processor 4K handles excellent upscaling
Cons
- ADS panel contrast ratio is weaker than VA alternatives
- Only Wi-Fi 5 — frustrating omission on a premium TV
- Blooming is more noticeable due to fewer dimming zones than QN90C
- No Dolby Vision limits HDR ecosystem compatibility
Full Specifications
| Spec | Roku Plus Series 55" | Samsung QN85C 65" (4K Neo QLED) |
|---|---|---|
| Body | ||
| VESA mount | 200 x 200mm | 300 x 300mm |
| Weight | 26.5 lbs | 45.9 lbs |
| Dimensions (w/ stand) | 48.4 x 30.6 x 10.2 inches | 57.0 x 35.3 x 10.8 inches |
| Dimensions | — | 57.0 x 32.7 x 1.0 inches |
| Audio | ||
| Output (watts) | 20 | 60 |
| Speakers | 2.0ch | 2.2ch Object Tracking Sound |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 13 | 9 |
| Display | ||
| HDR | Dolby Vision, HDR10+, HLG | Quantum HDR, HDR10+, HLG |
| Size | 55" | 65" |
| Type | QLED | Neo QLED Mini-LED (ADS panel) |
| Resolution | 3840 x 2160 (4K UHD) | 3840 x 2160 (4K) |
| Refresh rate | 60Hz | 120Hz |
| Brightness (nits) | 700 | 1200 |
| Smart TV | ||
| Os | Roku OS | Tizen OS |
| Voice assistant | Roku Voice, Alexa, Google Assistant, Apple AirPlay 2 | Bixby, Alexa, Google Assistant |
| Processor | ||
| Chipset | Quad-core | — |
| Connectivity | ||
| Wi-Fi | Wi-Fi 6 (802.11ax) | Wi-Fi 5 |
| Ethernet | ||
| Bluetooth | 5.2 | 5.2 |
| USB ports | 1 | 2 |
| HDMI ports | 4 | 4 |
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This comparison is based on verified manufacturer specifications covering display, performance, camera, battery, and build quality. Scores are generated by analyzing specs across weighted categories on a 10-point scale. Learn more about our methodology.
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