后者好啊,如果都是笔记本的话
前者
http://www.notebookcheck.net/AMD-Radeon-HD-7470M.67752.0.htmlManufacturer AMD
Radeon HD 7400M Series
Radeon HD 7490M 160@800MHz
Radeon HD 7470M 160@750 / 800MHz
Radeon HD 7450M 160@700MHz
Radeon HD 7430M 160@600MHz
Codename Seymour XT / XTX
Pipelines 160 - unified
Core Speed * 750 / 800 MHz
Shader Speed * 750 / 800 MHz
Memory Speed * 800 / 900 MHz
Memory Bus Width 64 Bit
Memory Type DDR3/GDDR5
Max. Amount of Memory 512 MB
Shared Memory no
DirectX DirectX 11, Shader 5.0
technology 40 nm
Date of Announcement 07.12.2011
后者
http://www.notebookcheck.net/NVIDIA-GeForce-GT-540M.41715.0.htmlManufacturer NVIDIA
GeForce GT 500M Series
GeForce GT 555M 144@525-753MHz
GeForce GT 550M 96@740MHz
GeForce GT 540M 96@672MHz
GeForce GT 525M 96@600MHz
GeForce GT 520MX 48@900MHz
GeForce GT 520M 48@740 / 600MHz
Codename N12P-GS
Pipelines 96 - unified
Core Speed * 672 MHz
Shader Speed * 1344 MHz
Memory Speed * 900 MHz
Memory Bus Width 128 Bit
Memory Type GDDR5, DDR3
Max. Amount of Memory 1536 MB
Shared Memory no
DirectX DirectX 11, Shader 5.0
Current Consumption 35 Watt
technology 40 nm
Features Optimus Support, PureVideo HD VP4, 3D Vision, 3DTV Play, Bitstream HD Audio, CUDA, DirectCompute, OpenCL, OpenGL 4.0, DirectX 11
Notebook Size large
Date of Announcement 06.01.2011