När jag kollar info i Catalyst ang mitt grafikkort ( 4870x2 2GB ) så står detta:
Primary Adapter
Graphics Card Manufacturer Powered by ATI
Graphics Chipset ATI Radeon HD 4870 X2
Device ID 9441
Vendor 1002
Subsystem ID 0260
Subsystem Vendor ID 1043
Graphics Bus Capability PCI Express 2.0
Maximum Bus Setting PCI Express 2.0 x16
BIOS Version 011.007.000.000
BIOS Part Number 113-B50902-100
BIOS Date 2008/07/14
Memory Size 1024 MB
Memory Type GDDR5
Core Clock in MHz 750 MHz
Memory Clock in MHz 900 MHz
Total Memory Bandwidth in GByte/s 107 GByte/s
Disabled Adapter
Graphics Card Manufacturer Powered by ATI
Graphics Chipset ATI Radeon HD 4870 X2
Device ID 9441
Vendor 1002
Subsystem ID 0260
Subsystem Vendor ID 1043
Graphics Bus Capability PCI Express 2.0
Maximum Bus Setting PCI Express 2.0 x16
BIOS Version 011.007.000.000
BIOS Part Number 113-B50902-101
BIOS Date 2008/07/14
Memory Size 1024 MB
Memory Type GDDR5
Core Clock in MHz 750 MHz
Memory Clock in MHz 900 MHz
Total Memory Bandwidth in GByte/s 107 GByte/s
Så till frågan:
Varför står de endast 1024 MB och inte 2048 MB???