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GeForce 9500 GT DDR2 vs GeForce GTX 260

Intro

The GeForce 9500 GT DDR2 comes with a GPU core clock speed of 550 MHz, and the 256 MB of DDR2 memory runs at 500 MHz through a 128-bit bus. It also is made up of 32 SPUs, 16 TAUs, and 8 ROPs.

Compare those specs to the GeForce GTX 260, which comes with GPU core speed of 576 MHz, and 896 MB of GDDR3 memory set to run at 999 MHz through a 448-bit bus. It also features 192 Stream Processors, 64 TAUs, and 28 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9500 GT DDR2 50 Watts
GeForce GTX 260 182 Watts
Difference: 132 Watts (264%)

Memory Bandwidth

In theory, the GeForce GTX 260 should perform a lot faster than the GeForce 9500 GT DDR2 overall. (explain)

GeForce GTX 260 111888 MB/sec
GeForce 9500 GT DDR2 16000 MB/sec
Difference: 95888 (599%)

Texel Rate

The GeForce GTX 260 is a lot (about 319%) better at texture filtering than the GeForce 9500 GT DDR2. (explain)

GeForce GTX 260 36864 Mtexels/sec
GeForce 9500 GT DDR2 8800 Mtexels/sec
Difference: 28064 (319%)

Pixel Rate

The GeForce GTX 260 will be a lot (about 267%) faster with regards to full screen anti-aliasing than the GeForce 9500 GT DDR2, and also capable of handling higher resolutions better. (explain)

GeForce GTX 260 16128 Mpixels/sec
GeForce 9500 GT DDR2 4400 Mpixels/sec
Difference: 11728 (267%)

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 260

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 260
Manufacturer nVidia nVidia
Year July 2008 June 16, 2008
Code Name G96a G200
Memory 256 MB 896 MB
Core Speed 550 MHz 576 MHz
Memory Speed 1000 MHz 1998 MHz
Power (Max TDP) 50 watts 182 watts
Bandwidth 16000 MB/sec 111888 MB/sec
Texel Rate 8800 Mtexels/sec 36864 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 16128 Mpixels/sec
Unified Shaders 32 192
Texture Mapping Units 16 64
Render Output Units 8 28
Bus Type DDR2 GDDR3
Bus Width 128-bit 448-bit
Fab Process 65 nm 65 nm
Transistors 314 million 1400 million
Bus PCIe x16 2.0, PCI PCIe x16 2.0
DirectX Version DirectX 10 DirectX 10
OpenGL Version OpenGL 3.0 OpenGL 3.1

Memory Bandwidth: Bandwidth is the max amount of data (counted in MB per second) that can be transferred past the external memory interface within a second. The number is calculated by multiplying the card's interface width by its memory clock speed. In the case of DDR type memory, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly record 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 clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

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