Denon AVR-S670H vs Onkyo TX-NR5100
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Choosing between the Denon AVR-S670H and Onkyo TX-NR5100? Both compete in the AVR / Receiver segment. Here’s how they compare across the specs that matter most for your home theater.
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Looking at overall performance dimensions: The Denon AVR-S670H scores higher in value, form factor, ease of use. The Onkyo TX-NR5100 leads in audio quality, volume/SPL, room fit, future-proofing. They score similarly in gaming performance.
For audio processing, these receivers feature channel configurations of 5.1 vs 7.2 and different room correction systems (MultEQ vs AccuEQ Advance). More channels enable immersive Atmos layouts. A 9-channel receiver can drive a 5.1.4 layout (5 ear-level, 1 sub, 4 height speakers) for overhead sound effects. Room correction compensates for acoustic problems caused by room dimensions, furniture, and surfaces. Dirac Live applies time-domain FIR correction across the full spectrum; MultEQ XT32 measures at 32,768 frequency points.
These two AVR / Receiver 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 Onkyo TX-NR5100 is the stronger choice — it leads in 4 of 8 scored dimensions. The Denon AVR-S670H makes more sense if you prioritize the 3 dimensions where it leads.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Channel Count | 5.1 | 7.2 |
| Powered Channels | 5 | 7 |
| Max Processing Ch | 5.1 | 7.2 |
| Amplifier Class | AB | AB |
| Watts/Ch (8Ω) | 75W | 150W |
| Watts/Ch (6Ω) | — | — |
| Min Impedance | 4-ohm | 4-16 ohm |
| HDMI Inputs | 6 | 4 |
| HDMI Outputs | 1 | 2 |
| HDMI Version | 2.1 | 2.1 |
| 4K/120Hz | Yes | Yes |
| 8K/60Hz | Yes | Yes |
| eARC | No | Yes |
| ALLM | Yes | Yes |
| VRR | Yes | Yes |
| Dolby Vision | Yes | Yes |
| HDR10 | Yes | Yes |
| HDR10+ | Yes | Yes |
| HLG | Yes | Yes |
| Dolby Atmos | No | Yes |
| Atmos Height Virt. | No | No |
| Dolby TrueHD | Yes | No |
| DTS:X | No | Yes |
| DTS Virtual:X | No | Yes |
| DTS-HD Master | Yes | No |
| Auro-3D | No | No |
| Room Correction | MultEQ | AccuEQ Advance |
| Room Corr. Tier | BASIC | BASIC |
| Dirac Live | No | No |
| Dirac Bass Control | No | No |
| Wi-Fi | Yes | Yes |
| Bluetooth | Yes | Yes |
| BT Transmit | No | Yes |
| AirPlay 2 | Yes | Yes |
| Google Cast | No | Yes |
| Spotify Connect | Yes | Yes |
| Roon Tested | Yes | No |
| HEOS | Yes | No |
| MusicCast | No | No |
| DTS Play-Fi | No | Yes |
| BluOS | No | No |
| Ethernet | Yes | Yes |
| Alexa Built-in | No | Yes |
| Google Assistant | Yes | Yes |
| Siri/HomeKit | No | No |
| Works with Sonos | No | Yes |
| Wireless Rears | No | No |
| Zone 2 | No | No |
| Zone 3 | No | No |
| Zone 4 | No | No |
| Coax Digital In | 1 | 1 |
| Optical Digital In | 2 | 1 |
| Phono Input | Yes | No |
| USB Input | Yes | No |
| Sub Outputs | 2 | 2 |
| Pre-Out Channels | 0 | 7 |
| Headphone Out | Yes | Yes |
| XLR Input | No | No |
| Speaker Terminals | Binding Posts | Binding Posts |
| Remote App | Yes | Yes |
| AM/FM Tuner | AM/FM | AM/FM |
Key Differences
- Room Correction: Denon AVR-S670H at MultEQ vs Onkyo TX-NR5100 at AccuEQ Advance. Room correction compensates for acoustic problems caused by room dimensions, furniture, and surfaces. Dirac Live applies time-domain FIR correction across the full spectrum; MultEQ XT32 measures at 32,768 frequency points.
- Watts/Ch (8Ω): Denon AVR-S670H at 75W vs Onkyo TX-NR5100 at 150W. Real-world power matters for dynamic headroom. Look for all-channels-driven ratings — two-channel ratings inflate the number since receivers share a common power supply.
- HDMI Outputs: Denon AVR-S670H at 1 vs Onkyo TX-NR5100 at 2
- Optical Digital In: Denon AVR-S670H at 2 vs Onkyo TX-NR5100 at 1
- HDMI Inputs: Denon AVR-S670H at 6 vs Onkyo TX-NR5100 at 4
Which Should You Choose?
Choose Denon AVR-S670H if you want:
- + better hdmi inputs
Choose Onkyo TX-NR5100 if you want:
- + 7.2 channel layout for more immersive Atmos configurations
- + better watts/ch (8ω) — real-world power matters for dynamic headroom
See Where These Rank
Check our editorial rankings to see how Denon AVR-S670H and Onkyo TX-NR5100 compare to the rest of the field.
Best AVR / Receiver RankingsRelated Calculators
Specifications 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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