
Onkyo TX-NR5100
Score: 86/100
Onkyo TX-RZ50
Score: 82/100Rankings

The Onkyo TX-NR5100 is a feature-rich 7.2-channel AV receiver delivering high power, Dolby Atmos immersion and future-ready HDMI 2.1 video. It excels in streaming options and Sonos integration, though its remote and app stability can be frustrating.

The Onkyo TX-RZ50 is a flagship 9.2-channel AV receiver offering 120 W per channel, Dirac Live room correction and THX certification, aimed at high-end home-theater installations. It provides extensive HDMI 2.1 features but suffers from UI and firmware issues.
| Attribute | ![]() | ![]() |
|---|---|---|
150 wattsbest | 120 watts | |
106 dBbest | 106 dBbest | |
10 Hzbest | 5 Hz | |
100,000 Hzbest | 100,000 Hzbest | |
7.2 | 9.2best | |
| ↓ lower better | 8.5 kgbest | 14.001 kg |
4 countbest | — | |
2 countbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Physical Specs(1) | ||
Weight (kg) | 8.5 kg | 14.001 kg |
Warranty & Support(1) | ||
Warranty Period (years) | 2 years | 3 years |
Audio Performance(4) | ||
Power Output (watts) | 150 watts | 120 watts |
Frequency Response (Low) (Hz) | 10 Hz | 5 Hz |
Channels | 7.2 | 9.2 |
Supported Audio Formats | Dolby Atmos, DTS:X, Dolby Digital, Dolby Digital Plus, Dolby TrueHD, DTS, DTS-HD Master Audio, DTS-HD High Resolution Audio, DTS Neural:X, DTS Virtual:X, IMAX Enhanced | WMA |


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

Professional reviewers praise the TX-NR5100 as a feature-packed, future-ready AV receiver that bridges the gap between audiophile performance and modern connectivity, highlighting its robust HDMI 2.1 support and comprehensive codec list.
Everyday users love the immersive Atmos sound, AccuEQ ease of setup and wide streaming services, but complain about a finicky remote, occasional app crashes and Bluetooth dropouts.

Professional reviewers praise the TX-RZ50 for its inclusion of full-band Dirac Live, robust 9-channel amplification and comprehensive HDMI 2.1 feature set, while noting a dated UI and lack of 8K upscaling.
Everyday users appreciate the powerful amplification, immersive Atmos support and noticeable improvement from Dirac Live, but report occasional firmware glitches and a hard-to-read front-panel.
“Some users reported HDMI handshake issues and Ethernet recognition problems during updates, requiring power cycles.”


