Even as of yet, I haven't see a single proof of the X300 using hypermemory.
Quote:
HyperMemory
* Uses the high-speed bi-directional data transfer capabilities of PCI Express to store and access graphics data in system memory, leading to less dependence on dedicated graphics memory and a lower overall notebook cost.
Multiple Variants For Ultimate Design Flexibility
Support for multiple mobile form factors:
* Discrete
* On-chip 32MB DDR (64-bit)
* On-chip 64MB DDR (64-bit) |
The X300 provides the option for DISCRETE (this is, external) memory. As you can see, ATI doesn't offer 128 MB configurations, so that must be the X300 plus external regular RAM.
I really doubt that an hypermemory video card can match the performance of a Radeon 9600 with 128 bit interface. So, if they perform similary must also have similary specs.