Hi Elisa.

There are several factors you need to know when venturing into the current Octane built (2.xx)

It mainly uses nVidia card's GPU(s)

The more 'CUDA's you have the faster your renders, more VRAM will handle your textures better.

The GT730 has 96 cuda cores. It will do the job, put very slowly.

The GTX 970 has 1664 cuda cores, that's 17X more cores than the GT730

The average price of the GT730 is $50, The GTX 970 $350. There is a large gap in pricing.

I would suggest maybe something in between (perhaps a GTX 750 with 512 Cudas) around $100

Another thing you have to consider is your power supply. Some of these higher end cards are very power hungry.

The GTX 970 requires a min (500W) power supply

The GTX 750 (300W)

Octane supports multiple video cards. It can harness both GPU's power for faster rendering

So, you can add on as many video cards as you want.

My setup has two GTX760's. It is fast, but I would love to have two GTX 980's on my new rig next year.

In conclusion, I think if money is a factor, I would suggest a GTX750 4gb first or if your PS can support, a GTX760 4gb ($200)

Happy rendering

JV

He has found one on ebuyer for 89£ ...so we are thinking of that one. the power supply is not an issue we (read, -he-) has checked that. I mainly want the NVIDIA because it seems all the GPU render engines only use it. I need to "come up to speed" if you forgive the pun, on rendering. AND the INVIDIA seems the be the path I need to go down.

WHY on earth it cant use any card that is able to handle the work I do not know. My husband said other cards could handle it...just Octain and DS have chosen to only go with INVIDIA...We are building (slowly) this lovely beast of a machine only to see that I need an INVIDIA in it to get anywhere....

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