geforce 7400 go mit 512 mb?

[ohdog86]

Hi leute,
ich habe das samsung r55 t5500
ich habe da eine geforce 7400 go in der verpackung stand max 256 turbocache und jetzt gucke ich bei eigenschaften in der grafikkarte und da steht 512 mb speicher hmm was denn nu? folgende daten habe ich dazu

General Information :
Manufacturer : Nvidia Corp (Samsung Electronics Co Ltd)
Model : Nvidia Corp
Bus Type : PCI-Express
Total Memory : 512 MB
Texture Memory : 498 MB
Processor : GeForce Go 7400
Converter : Integrated RAMDAC
Refresh Rate (min/max) : 60/60 Hz

GPU Information :
Number of GPU : 1
Codename : G72
Revsion : A3
Bus : 256-bit
Memory Type : SDRAM
GPU Frequency : 200 MHz
Memory Frequency GPU : 400 MHz
Memory Bandwidth : 12800 MB/s
Pixel Pipelines : 4
Vertex Pipelines : 3

nVidia Forceware Configuration :
2D Core : 100 MHz
2D Memory : 270 MHz
3D Performance Core : 425 MHz
3D Performance Memory : 532 MHz
3D Reduced Power Core : 200 MHz
3D Reduced Power Memory : 400 MHz
Anti Aliasing Mode : OFF
Frames Buffered : 3
ForceWare Version : 6.14.10.8619

Video Bios Information :
Date : 06/09/13
Version : Version 5.72.22.47.00
ID : Version 5.72.22.47.00

i2C Bus Information :
Number of Bus : 3

General Features :
Width : 330 mm
Height : 206 mm
Pixel per inch : 96x96 dpi
bits per pixel : 32
Colour Bits/Planes : 1
Brushes : 4294967295
Pens : 4294967295
Markers : 0
Device Fonts : 0
Device Colours : 4294967295
Clip Output to Rectangle : Yes
Hardware Acceleration : Yes