Hey guys.
It seems like the new Roland RD 2000 is pretty hot topic here.
I found a chart that briefly compares RD 800 and RD 2000.

*I hope Yamaha really comes up with something that can compete against the new Roland pianos (FP30,90,RD2000)

ROLAND RD 800 VS RD 2000 COMPARISON

RD 800 |||RD 2000
Polyphony= SN: 128 |||VP: Full, SN: 128

Key Action= PHA-4 Concert |||PHA-50 Hybrid

Sound Engine #= 1 (SN) |||2 (SN, VP)

Tones= 1113 |||Over 1100

Effects Modulation= 56 types |||62 types

Tremolo/Amp Simulator= 5 types |||6 types

Controller #= |||Much more

Display= 320 x 240 dots |||256 x 80 dots

Chassis
(but same weight)= Plastic |||Aluminum

Power Consumption= 12W |||23W

USB Audio= No |||Yes

Source: https://digitalpianobestreview.com/2017/01/28/roland-rd-2000-review-comparison-best-price/