
Onkyo TX-RZ50
Score: 81/100
Denon AVR-S570BT
Score: 72/100Rankings

The Onkyo TX-RZ50 is a 9.2-channel receiver offering 120 W per channel, Dirac Live calibration, and THX Certified Select for high-performance audio. Its high idle power consumption and fan noise can be drawbacks for energy-sensitive or quiet-environment users. It excels in medium-size home theaters and gaming setups requiring powerful, calibrated sound.

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 | ![]() | ![]() |
|---|---|---|
7best | 4 | |
2best | 1 | |
120 Wbest | 70 W | |
| ↓ lower better | 850 W | 310 Wbest |
| ↓ lower better | 0.1 Wbest | 1 W |
3 yearsbest | 2 years | |
| ↓ lower better | 435.1 mm | 434 mmbest |
| ↓ lower better | 201.68 mm | 151 mmbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Ports(2) | ||
HDMI Inputs | 7 | 4 |
HDMI Outputs | 2 | 1 |
Audio(2) | ||
Supported Audio Formats | PCM, DSD, Dolby Digital, DTS, DTS‑ES, DTS 96/24 | Dolby TrueHD, DTS-HD, Dolby Digital, DTS |
Channel Configuration | 9.2 | 5.2 |
Power(3) | ||
Power Output (per channel, 8 Ω) (W) | 120 W | 70 W |
Power Consumption (Operating) (W) | 850 W | 310 W |
Standby Power Consumption (W) | 0.1 W | 1 W |
Features(1) | ||
Video Support (e.g., 4K/8K) | 8K/60, 4K/120 | 8K |
General(1) | ||
Warranty (years) | 3 years | 2 years |
Build & Design(4) | ||
Width (mm) | 435.1 mm | 434 mm |
Height (mm) | 201.68 mm | 151 mm |
Depth (mm) | 398.27 mm | 330 mm |
Weight (kg) | 14.01 kg | 7.6 kg |


Products in the top-left offer the best value (high score, low price).

Professional reviewers commend the TX-RZ50 for its distortion-free output, expansive frequency response, and low-jitter processing, highlighting the value of built-in Dirac Live and THX certification. They also note minor drawbacks such as measurable multitone jitter, a relatively high idle power draw, and some fan-related noise under heavy use.
Everyday users appreciate the receiver's punchy, detailed sound, the ease of setting up Atmos and gaming, and the reliable multi-room streaming. Recurring complaints focus on occasional HDMI handshake glitches, app control hiccups, and audible fan noise during prolonged high-power sessions.

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”

