which GPU for Apple miniDp screens - cMP 5.1 (catalina & OpenCore) ?

[neo-disco]

hi,
seeking an economic (power consum.) gpu with mini-display ports,
for cMP 5.1 with 2 apple led miniDP (not thunderbolt).
metal for mojave and catalina, displaying the OS with miniDP ports.

now: nvidia nvs510 4 miniDP
in mojave, all ports do provide signal, miniDP and hdmi work
in catalina, all ports do provide signal, only hdmi signal is detected. miniDP screens are black.

what about:
AMD firepro w4100 ? (4 miniDP)
radon hd7870 / radeon hd7970 ? (2miniDP & 1 DVI& 1Hdmi models)
radeon pro wx3100 ? wx4100 ? (with miniDP)

there is the dortania list of Gpus... from hackintosh world.
in classic MacPros, some gpus may have different behaviour.

AMD GPUs | GPU Buyers Guide

thank you for, help and advice
regards

 

[neo-disco]

SOLVED
i have tested:
radeon HD7870, 7970, 7850, 7950 do work well with mojave and catalina, (installing and running), as they are fully metal compatible (allowing install and running). signal work on the hdmi and miniDP ports

the amd firepro w4100 runs mojave and catalina,
they don't appear as fully metal compatible. enables installing mojave and catalina.
the issue is: slow display, graphic bugs on those OS, and do not enable the screen lighting with keys on the KB.
appear as "display 14Mb" and they don't recognize the Apple Led Cinema Display

the nvidia quadro nvs510 is metal (with a status metal detected, setup Apple GPU family version4). enables installing and run mojave and catalina,
on catalina, black screen on the Apple Led cinema displays with the miniDP ports, but Hdmi signal works

macOS GPUFamily1 version 4

macOS GPUFamily