Onkyo TX-NR6100
Score: 82/100
Denon AVR-S670H
Score: 73/100Rankings
The Onkyo TX-NR6100 is a THX-certified 7.2-channel receiver with 8K/60 Hz HDMI 2.1, VRR, ALLM and robust 100 W per channel output for gaming and home-theater use. Its limited warranty, lack of eARC and sizable footprint may be drawbacks for some users. It fits well for gamers and movie lovers seeking THX-grade performance.
The Denon AVR-S670H is a compact 5.2-channel receiver delivering 8K video, HEOS streaming and Audyssey calibration. Its modest 75 W power and limited channel expansion are trade-offs for the affordable price. Best suited for small-to-medium rooms where future-ready video is a priority.
| Attribute | | |
|---|---|---|
3 | 6best | |
1best | 1best | |
100 Wbest | 75 W | |
| ↓ lower better | 635 Wbest | — |
| ↓ lower better | 0.1 Wbest | — |
2 yearsbest | 2 yearsbest | |
| ↓ lower better | 473.5 mm | 434.34 mmbest |
| ↓ lower better | 270.3 mm | 152.4 mmbest |
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| Attribute | | |
|---|---|---|
Ports(1) | ||
HDMI Inputs | 3 | 6 |
Audio(2) | ||
Supported Audio Formats | FLAC, ALAC, DSD, MP3, WMA, AAC | Dolby TrueHD; DTS HD Master Audio; Dolby Digital; DTS; DTS 96/24; PCM |
Channel Configuration | 7.2 | 5.2 |
Power(1) | ||
Power Output (per channel, 8 Ω) (W) | 100 W | 75 W |
Connectivity(1) | ||
Ethernet Port | true | false |
Features(1) | ||
Video Support (e.g., 4K/8K) | 8K/60Hz,4K/120Hz,HDR | HDR10+; HLG; HDR; Dolby Vision; Dynamic HDR; VRR; ALLM; QFT |
Build & Design(4) | ||
Width (mm) | 473.5 mm | 434.34 mm |
Height (mm) | 270.3 mm | 152.4 mm |
Depth (mm) | 533.4 mm | 337.82 mm |
Weight (kg) | 10.41 kg | 9.38 kg |
Products in the top-left offer the best value (high score, low price).
Professional sources commend the TX-NR6100 for its THX certification, which ensures precise, theater-grade sound, and for its HDMI 2.1 implementation that provides 8K video and gaming-ready features. Reviewers also highlight the flexible powered Zone 2, robust 100 W per channel output, and AccuReflex height-virtualization as key strengths that make it a centerpiece for premium home entertainment.
Consumers repeatedly praise the receiver's straightforward setup process, the breadth of connectivity options, and the ability to stream high-resolution music throughout the house via HEOS. The remote and voice-assistant integration are also frequently mentioned as convenient features.
Professional reviewers from Crutchfield, Parts Express and B&H view the AVR-S670H as a solid entry-level option that delivers future-ready 8K video and robust 3D audio decoding, while Audyssey MultEQ and the HEOS ecosystem add real value for small-room installations.
Consumers generally praise the receiver's easy setup, HEOS multi-room streaming and the convenience of the mobile app, while recurring concerns focus on the 75 W power rating and the lack of extra channels for larger Atmos setups.
