I'd bet this is a GPU bottleneck. You're playing on a mobile ironlake GPU, this is by far the lowest plattform which technically meets all requirements (at least for D3D, OGL won't work). Newer Intel GPUs are fine for small resolutions, but also intel did drop ironlake support a while ago.
In my opinion, intel GPUs older than sandy bridge can't be appreciate as GPU at all.
But as this is on a laptop, you can't just upgrade neither the CPU nor the GPU. I don't think you'll get this game enjoyable at all on this plattform.
In my opinion, intel GPUs older than sandy bridge can't be appreciate as GPU at all.
But as this is on a laptop, you can't just upgrade neither the CPU nor the GPU. I don't think you'll get this game enjoyable at all on this plattform.