Here we are comparing Denon AVR-S640H to Onkyo TX-RZ840 to reveal their common strengths and weaknesses as well as the differences between them which will help you in making a correct decision before the purchase. The Denon AVR-S640H has 5 channel and the Onkyo TX-RZ840 has 9 channel amplifiers with Denon AVR-S640H's being less powerful.
Denon AVR-S640H | Onkyo TX-RZ840 |
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Denon AVR-S640H was introduced in 2018. It is equipped with 5 channel amplifier with 75 W (8 Ω, 20 Hz - 20 kHz and 2 channel driven) power per channel and is capable of 5.1 maximum channel processing. It , passes 4K/60Hz video signal. |
Onkyo TX-RZ840 was introduced in 2019. It is equipped with 9 channel amplifier with 120 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) power per channel and is capable of 11.2 maximum channel processing. It supports Dolby Atmos and DTS:X, passes 4K/60Hz and upscales 1080p to 4K video signal. |
We evaluated Denon AVR-S640H and Onkyo TX-RZ840 and gave them scores of 80 and 92 out of 100 recpectively. Our ranking system is based on the amplifier specifications, audio and video features, connectivity, multizone capabilities, radio and many other details.
Denon AVR-S640H
Onkyo TX-RZ840
For more details about the ranking please go to Evaluations section.