Definitive Technology Mythos 3C-85 vs Samsung HW-S800D
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Choosing between the Definitive Technology Mythos 3C-85 and Samsung HW-S800D? Both compete in the Soundbar segment. Here’s how they compare across the specs that matter most for your home theater.
Pricing for both models is currently unavailable. Check the retailer links below for current deals.
Looking at overall performance dimensions: The Definitive Technology Mythos 3C-85 scores higher in form factor, room fit. The Samsung HW-S800D leads in value. They score similarly in ease of use.
These soundbars differ in channel configurations of 3.0 vs 3.1.2, and only the Samsung HW-S800D includes Dolby Atmos support. Atmos adds a height dimension to surround sound, placing sounds above you. It's object-based, so the receiver decides which speakers reproduce each sound based on your layout.
These two Soundbar options trade wins across different dimensions. The right choice depends on which specs matter most for your room and listening preferences — review the detailed table below to decide.
For most home theaters, the Definitive Technology Mythos 3C-85 is the stronger choice — it leads in 2 of 4 scored dimensions. The Samsung HW-S800D makes more sense if you prioritize the 1 dimension where it leads.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
Definitive Technology Mythos 3C-85
Samsung Ultra-slim 3.1.2 Channel Dolby Atmos Smart Sound Bar with Bluetooth & Wireless Subwoofer - Titan
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Channel Config | 3.0 | 3.1.2 |
| Total Power (RMS) | — | — |
| Driver Count | 13 | — |
| Freq Response Low | 100Hz | — |
| Freq Response High | 25000Hz | — |
| Passive | Yes | No |
| Dolby Atmos | No | Yes |
| Dolby Digital+ | No | Yes |
| Dolby TrueHD | No | No |
| DTS:X | No | No |
| DTS Virtual:X | No | Yes |
| DTS-HD Master | No | No |
| Built-in Sub | No | No |
| Wireless Sub Included | No | Yes |
| Wireless Sub Support | No | Yes |
| Wireless Surround Support | No | Yes |
| HDMI eARC | No | Yes |
| HDMI Inputs | 0 | 0 |
| HDMI Version | — | 2.1 |
| Optical Input | No | Yes |
| Analog Stereo In | No | No |
| Sub Pre-Out | No | No |
| Ethernet | No | Yes |
| Bluetooth | No | Yes |
| BT Version | — | 5.2 |
| Wi-Fi | No | Yes |
| Wi-Fi Standard | — | Wi-Fi 5 |
| AirPlay 2 | No | Yes |
| Chromecast | No | No |
| Spotify Connect | No | No |
| Voice Assistants | Alexa, Google Assistant | |
| Room Calibration | — | SpaceFit Sound Pro |
| Dialog Enhancement | No | Yes |
| Night Mode | No | Yes |
| App Control | — | SmartThings |
| Wall Mountable | Yes | Yes |
Key Differences
- Channel Config: Definitive Technology Mythos 3C-85 at 3.0 vs Samsung HW-S800D at 3.1.2
- Driver Count: Definitive Technology Mythos 3C-85 at 13 vs Samsung HW-S800D at —
- Freq Response Low: Definitive Technology Mythos 3C-85 at 100Hz vs Samsung HW-S800D at —. Determines how much bass a speaker handles on its own versus relying on a subwoofer for low-end support.
- Freq Response High: Definitive Technology Mythos 3C-85 at 25000Hz vs Samsung HW-S800D at —
- Passive: Definitive Technology Mythos 3C-85 at Yes vs Samsung HW-S800D at No
See Where These Rank
Check our editorial rankings to see how Definitive Technology Mythos 3C-85 and Samsung HW-S800D compare to the rest of the field.
Best Soundbar RankingsSpecifications sourced from manufacturer datasheets and verified against retailer listings. Prices updated hourly from authorized retailers. Scoring uses our open methodology — products are never ranked, promoted, or suppressed based on affiliate commission rates.
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