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GeForce 9500 GT DDR2 vs GeForce GTX 650 Ti

Intro

The GeForce 9500 GT DDR2 uses a 65 nm design. nVidia has clocked the core speed at 550 MHz. The DDR2 memory runs at a speed of 500 MHz on this card. It features 32 SPUs along with 16 Texture Address Units and 8 ROPs.

Compare those specifications to the GeForce GTX 650 Ti, which makes use of a 28 nm design. nVidia has set the core speed at 928 MHz. The GDDR5 RAM works at a speed of 1350 MHz on this specific card. It features 768 SPUs as well as 64 TAUs and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9500 GT DDR2 50 Watts
GeForce GTX 650 Ti 110 Watts
Difference: 60 Watts (120%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 650 Ti is 440% faster than the GeForce 9500 GT DDR2 in general, due to its greater bandwidth. (explain)

GeForce GTX 650 Ti 86400 MB/sec
GeForce 9500 GT DDR2 16000 MB/sec
Difference: 70400 (440%)

Texel Rate

The GeForce GTX 650 Ti will be a lot (more or less 575%) better at texture filtering than the GeForce 9500 GT DDR2. (explain)

GeForce GTX 650 Ti 59392 Mtexels/sec
GeForce 9500 GT DDR2 8800 Mtexels/sec
Difference: 50592 (575%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GTX 650 Ti is superior to the GeForce 9500 GT DDR2, and very much so. (explain)

GeForce GTX 650 Ti 14848 Mpixels/sec
GeForce 9500 GT DDR2 4400 Mpixels/sec
Difference: 10448 (237%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

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GeForce 9500 GT DDR2

Amazon.com

GeForce GTX 650 Ti

Amazon.com

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model GeForce 9500 GT DDR2 GeForce GTX 650 Ti
Manufacturer nVidia nVidia
Year July 2008 October 2012
Code Name G96a GK106
Memory 256 MB 1024 MB
Core Speed 550 MHz 928 MHz
Memory Speed 1000 MHz 5400 MHz
Power (Max TDP) 50 watts 110 watts
Bandwidth 16000 MB/sec 86400 MB/sec
Texel Rate 8800 Mtexels/sec 59392 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 14848 Mpixels/sec
Unified Shaders 32 768
Texture Mapping Units 16 64
Render Output Units 8 16
Bus Type DDR2 GDDR5
Bus Width 128-bit 128-bit
Fab Process 65 nm 28 nm
Transistors 314 million 2540 million
Bus PCIe x16 2.0, PCI PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 11.0
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the largest amount of information (in units of megabytes per second) that can be moved across the external memory interface within a second. It is worked out by multiplying the bus width by its memory clock speed. In the case of DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed in one second. This is calculated by multiplying the total number of texture units by the core speed of the chip. The better the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

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