Corona on different processors

[masterzone]

Hello, I'm Alex...
I'm using corona (lates beta available) on two different machines:

1) iMac with intel i5 quad core
2) MacBook Pro i7 quad core

The iMac and the macbook have the same "cinebench", around 700 render points so when I use other rendering engine it takes the same render time. I noticed only a couple of minutes of different render times. I assuming that the processor calculate in the same way.

On corona I got big different render times.

The MacBook seems to be three time quickly of iMac. :-O
How is it possible if both machine have identical Cinebench???

thanks!!!
Alex

[TomG]

How much memory does each machine have? If rendering runs out of memory, it will become very much slower.

[TomG]

PS - I would also expect an i7 to be better than an i5. You don't mention which generation of each processor, and that too would play a part (e.g. if it's not just an i5, but an older generation). I'm actually more surprised that the benchmarks are the same, than I am that the i7 is faster in Corona :)

[masterzone]

How much memory does each machine have? If rendering runs out of memory, it will become very much slower.

Hi Tom, the iMac run with 8 Gb of ram but the scene is under the ram during rendering so is not out of ram. Usually if you are out of ram the system scratch the ram to the disk as cinema do when happens :)

[masterzone]

PS - I would also expect an i7 to be better than an i5. You don't mention which generation of each processor, and that too would play a part (e.g. if it's not just an i5, but an older generation). I'm actually more surprised that the benchmarks are the same, than I am that the i7 is faster in Corona :)

Right now I don’t remember exactly the processor model. I know that i7 is better than i5 processors but the cinebench is absolutely the same.
The i5 is on the iMac that I think is a desktop architecture and is more different from a MacBook Pro with i7 mobile processors.
I think that desktop processors is different from mobile processors but why the cinebench is the same?
I use both machine with other render engines and final renders takes same time to be rendered.
On corona my iMac is more slowly than MacBook Pro.

Tomorrow morning I will try a deep test with render times and processor description.
Thanks alex

[TomG]

And don't forget to let us know how much memory each machine has (and maybe watch how much is being used during rendering) - thanks!

[masterzone]

Yes :)

Alex

[masterzone]

Hi Tom, sorry forget what I wrote because my machine have different Cinebench, the first one do 510 CB and the second 780.
Thanks and sorry for my anuseful topic :(

Alex

[maru]

Next time I would also suggest running the benchmark app: https://corona-renderer.com/benchmark/
It will tell you what exact CPU model you have, and what was the render time.
Then you can compare this with other entries on the list for the same CPUs, and you can check if Corona for C4D runs with the same performance (which is expected).

[masterzone]

Thanks so much. I know only now that there is the benchmark app for corona :)