
Onkyo TX-NR6100
Score: 82/100
Denon AVR-S570BT
Score: 72/100Rankings

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-S570BT is a 5.2-channel receiver delivering 70 W per channel, 8K/60 Hz video pass-through and gaming-focused features. It omits Wi-Fi and higher-power output, making it less suitable for large spaces. Best for budget-conscious beginners who want simple Bluetooth streaming and 8K video in a small-room setup.
| Attribute | ![]() | ![]() |
|---|---|---|
3 | 4best | |
1best | 1best | |
100 Wbest | 70 W | |
| ↓ lower better | 635 W | 310 Wbest |
| ↓ lower better | 0.1 Wbest | 1 W |
2 yearsbest | 2 yearsbest | |
| ↓ lower better | 473.5 mm | 434 mmbest |
| ↓ lower better | 270.3 mm | 151 mmbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Ports(1) | ||
HDMI Inputs | 3 | 4 |
Audio(2) | ||
Supported Audio Formats | FLAC, ALAC, DSD, MP3, WMA, AAC | Dolby TrueHD, DTS-HD, Dolby Digital, DTS |
Channel Configuration | 7.2 | 5.2 |
Power(3) | ||
Power Output (per channel, 8 Ω) (W) | 100 W | 70 W |
Power Consumption (Operating) (W) | 635 W | 310 W |
Standby Power Consumption (W) | 0.1 W | 1 W |
Connectivity(1) | ||
HDMI Version | 2.1 | HDMI 2.1 |
Features(1) | ||
Video Support (e.g., 4K/8K) | 8K/60Hz,4K/120Hz,HDR | 8K |
Build & Design(4) | ||
Width (mm) | 473.5 mm | 434 mm |
Height (mm) | 270.3 mm | 151 mm |
Depth (mm) | 533.4 mm | 330 mm |
Weight (kg) | 10.41 kg | 7.6 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 commend the AVR-S570BT for its immersive 3D audio, pristine 8K/HDR picture quality, and lag-free gaming thanks to VRR, QFT and ALLM, while also praising the guided GUI and auto-calibration for easy setup. However, they note its modest 70 W per channel output and lack of advanced multi-room features place it below higher-end competitors.
Everyday users consistently praise the receiver's straightforward Bluetooth streaming, intuitive HD GUI setup, and effective dual-sub bass performance in smaller spaces, while recurring concerns focus on limited power for larger rooms and the absence of Wi-Fi or multi-room capabilities.
“immersive surround sound”

“immersive 3D audio”

