The new RM1000x scores a little higher than the older model.
The graph below depicts the cooling fan's average noise over the PSU's operating range, with an ambient temperature between 30 to 32 degrees Celsius (86 to 89.6 degrees Fahrenheit).
The older RM1000x has lower overall noise output, but you cannot call the new one noisy.
The following graph shows the PSU's average efficiency throughout its operating range with an ambient temperature close to 30 degrees Celsius.
The platform needs a small efficiency boost, to reach the levels of the older platform, at least.
Power Factor Rating
The following graph shows the PSU's average power factor reading throughout its operating range with an ambient temperature close to 30 degrees Celsius.
The APFC converter does a good job with both voltage inputs, 115V and 230V.
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