Thanks for the info. I tried 256 and it was like, 1 second differece thought. But if I change the Light Bounce under Light Paths to a max of 20 and a min of 0 I get a really good time!. I think that’s what I’ll do.
256 tiles - 400 samples
GPU: Nvidia GTX 750Ti
Time: 3 min 19 seconds (GPU - CUDA)
256 tiles - 225 samples
GPU: Nvidia GTX 750Ti
Time: 1 min 54 seconds (GPU - CUDA)
256 tiles - 400 samples - Light Bounce Max 20
GPU: Nvidia GTX 750Ti
Time: 2 min 29 seconds (GPU - CUDA)
256 tiles - 324 samples - Light Bounce Max 18
GPU: Nvidia GTX 750Ti
Time: 1 min 40 seconds (GPU - CUDA)
256 tiles - 256s - Light Bounce Max 8
GPU: Nvidia GTX 750Ti
Time: 1 min 20 seconds (GPU - CUDA)
256 tiles - 400s - Light Bounce Max 12
GPU: Nvidia GTX 750Ti
Time: 2 min 00 seconds (GPU - CUDA)
256 tiles - 400s - Light Bounce Max 8
GPU: Nvidia GTX 750Ti
Time: 2 min 00 seconds (GPU - CUDA)