NVIDIA GeForce GT 320MThe Nvidia GeForce GT 320M or GT320M was presented in the HP dv6t and dv7t series and should be based on a stripped down GT216 core with 24 instead of 48 shader cores.Beware: The GT 320M should not be confused with the newer in the Apple MacBook 13' 04/2010 laptops, which is a chipset graphics card.In conjunction with the Nvidia 9100M G integrated graphics, the GT 320M supports Hybrid-SLI (only HybridPower). HybridPower is a technique to choose between the integrated and dedicated graphics core, if performance or battery runtime is needed. This works only in Windows Vista. Up to now the user has to use a tool to switch between the GPUs. Later Nvidia wants to switch automatically in the drivers. GeForceBoost is not supported with this card, as there would be no performance gain.The GT 320M features 24 stream processors that do the graphic work of the vertex- and pixel-shaders.
The GeForce GT 630 was released over three years more recently than the GeForce 6600, and so the GeForce GT 630 is likely to have far better driver support, meaning it will be much more optimized.
Nvidia Shaders are 1-dimensional and can therefore not be directly compared to the 5-dimensional shaders of AMD (HD 4650 e.g.).The performance of the GT 320M is nearly on a level of the old GeForce 9600M GT (altough the 9600M GT features 32 shaders). Demanding Direct X 10 games like Crysis or Dirt 2 can only be played in low details fluently. Older games like Left 4 Dead can be played with high details fluently.
![6600 6600](http://www.gpureview.com/database/images/cards/188/large/geforce-6600-pci-e-1.jpg)
More game benchmarks can be found below.The GeForce GT 320M supports PureVideo HD (VP4) to decode HD videos with the GPU. H.264, VC-1, MPEG-2, and MPEG-4 ASP (DivX or xVID) can be fully decoded by the GPU. Futhermore, CUDA and DirectCompute are supported to use the processing power of the graphics card for other applications (with modern drivers).
PhysX is currently not supported because of the low shader count. NVIDIA GeForce GT 320MNVIDIA GeForce GT 325MManufacturerNVIDIANVIDIAGeForce GT 300M Series72 @ 450 MHz128 Bit @ 1066 MHz48 @ 575 MHz128 Bit @ 1066 MHz48 @ 450 MHz128 Bit @ 1066 MHzGeForce GT 320M24 @ 500 MHz128 Bit @ 790 MHz72 @ 450 MHz128 Bit @ 1066 MHz48 @ 575 MHz128 Bit @ 1066 MHzGeForce GT 325M48 @ 450 MHz128 Bit @ 1066 MHz24 @ 500 MHz128 Bit @ 790 MHzArchitectureGT2xxGT2xx24 -48 -Core500 MHz450 MHzShader1100 MHz990 MHzMemory790 MHz1066 MHzBus128 Bit128 BitMemoryDDR3GDDR2, GDDR3, DDR3Max. Memory1024 MB1024 MBnonoDirectXDirectX 10.1, 4.1DirectX 10.1, 4.1Technology40 nm40 nmFeaturesPCI-E 2.0, PureVideo HD (VP4), HybridPowerDirectX Compute Support (Windows 7), CUDA, OpenCL, HybridPower, PhysXSizeIntroducedCodenameN11P-GV1142 GigaflopsManufacturer.
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