OK system spec :
Intel® Core™ i3-2310M Processor
type : 2nd generation Intel® Core™ i3-2310M Processor clock speed : 2.10 GHz Front Side Bus : 1333 MHz 3rd level cache : 3 MB
type : NVIDIA® GeForce® 315M with CUDA™ Technology memory amount : 512 MB dedicated VRAM. Available graphics memory can be expanded using system memory, through TurboCache™ technology: up to 2,294 MB with 4 GB system memory installed,
standard : 4,096 (1x) MB maximum expandability : 8,192 MB technology : DDR3 RAM (1,333 MHz)
Thanks